├── .gitignore
├── README.md
├── diagrams
    ├── circuit_diagram.fzz
    ├── circuit_diagram_bb.jpg
    ├── circuit_diagram_bb_sm.jpg
    └── circuit_diagram_bom.html
├── display_graphics.asm
├── graphics
    ├── prince_of_persia.piskel
    └── prince_of_persia.png
├── media
    ├── color_bars.jpg
    ├── color_bars_sm.jpg
    ├── full_setup.jpg
    ├── full_setup_sm.jpg
    ├── prince_of_persia.jpg
    ├── prince_of_persia_sm.jpg
    ├── vectron_64_focus_1.jpg
    ├── vectron_64_focus_1_sm.jpg
    ├── vectron_64_focus_2.jpg
    ├── vectron_64_focus_2_sm.jpg
    ├── vectron_vga.gif
    ├── vectron_vga.jpg
    ├── vectron_vga.mp4
    ├── vectron_vga_short.gif
    └── vectron_vga_sm.jpg
└── sram_vectron_simulator
    ├── README.md
    └── sram_vectron_simulator.ino


/.gitignore:
--------------------------------------------------------------------------------
1 | .DS_Store
2 | *.list
3 | *.out
4 | hex.txt
5 | 
6 | 


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/README.md:
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  1 | # Vectron VGA
  2 | 
  3 | Vectron VGA generates a 640x480@60Hz 3-bit color VGA signal and is designed to interface with the [Vectron 64](https://github.com/nickbild/vectron_64) 6502-CPU based breadboard computer.  It was built with 7400-series integrated circuits.  The display is continually refreshed by the contents of a 32KB SRAM chip (1 byte per pixel) that can be updated via random access during active display operation.
  4 | 
  5 | The interface can also be used by other devices, such as Arduino microcontroller dev boards ([example here](https://github.com/nickbild/vectron_vga/tree/master/sram_vectron_simulator)).
  6 | 
  7 | The effective resolution is reduced to 160x120@60Hz, because anything higher just isn't retro enough for me.  :)  This also reduces the VRAM requirements and processing overhead of screen updates as an added benefit.
  8 | 
  9 | <p align="center">
 10 | <img src="https://raw.githubusercontent.com/nickbild/vectron_vga/master/media/vectron_vga.gif">
 11 | </p>
 12 | 
 13 | ## How It Works
 14 | 
 15 | Frequency dividing flip-flops reduce the 25.175 MHz clock four-fold to 6.29375 MHz.  This causes each pixel to be repeated 4 times on the horizontal axis.  Each vertical line is also repeated 4 times to reduce the resolution to 160x120, while still generating a standard 640x480 VGA signal.  The crystal oscillator and frequency divider are soldered onto perfboard -- I don't trust breadboards at that speed -- and the 6.29375 MHz signal is fed into the breadboards.
 16 | 
 17 | The clock drives a counter that keeps track of the current horizontal pixel position (visible region or not), and through a number of magnitude comparators and line buffers generates a horizontal sync signal and horizontal blanking periods.  During the visible portion of the scan line, the current pixel position is translated into an address in a 32KB SRAM chip.  The data at that address is converted to analog signals via voltage dividing resistors and sent to the red, green, and blue VGA inputs.
 18 | 
 19 | The SRAM address is determined by storing a starting address in a pair of octal flip-flops, then clocking a pixel offset counter, starting from the end of the horizontal blanking period, by the system clock.  The starting address and offset are added to determine the SRAM address of the current pixel.  Every 4 horizontal lines, 160 is added to the starting address.
 20 | 
 21 | A vertical line counter is clocked at the end of each horizontal line.  As with the horizontal counter, a number of magnitude comparators and line buffers are used to generate a vertical sync signal and vertical blanking periods.
 22 | 
 23 | A flip-flop and series of line buffers allow rapid toggling between "display" mode and "programming" mode for updates to the display.  Each pixel can be individually addressed and updated at will via the interface.  Using the interface is quite simple on the software side.  For the 6502, updating a single pixel looks like this:
 24 | 
 25 | ```asm
 26 | ; Set VGA generator to "program" mode.
 27 | lda #$01
 28 | sta $00F8
 29 | 
 30 | ; Load data to VRAM.
 31 | lda #$00
 32 | sta $0006 ; Clock lower address flip-flop.
 33 | lda #$14
 34 | sta $0007 ; Clock upper address flip-flop.
 35 | lda #$01
 36 | sta $0005 ; Clock data flip-flop.
 37 | lda $00F9 ; Pulse SRAM write enable pin.
 38 | 
 39 | ; Set VGA generator to "display" mode.
 40 | lda #$01
 41 | sta $00F8
 42 | ```
 43 | 
 44 | I also have a working example for Arduino boards [here](https://github.com/nickbild/vectron_vga/tree/master/sram_vectron_simulator).
 45 | 
 46 | If you would like more details than are provided in this high-level overview, see the circuit diagram in the [Media section](https://github.com/nickbild/vectron_vga#media).
 47 | 
 48 | ## Media
 49 | 
 50 | YouTube video:
 51 | https://www.youtube.com/watch?v=riF9NnIJbLo
 52 | 
 53 | Circuit diagram:
 54 | 
 55 | ![circuit_diagram](https://raw.githubusercontent.com/nickbild/vectron_vga/master/diagrams/circuit_diagram_bb_sm.jpg)
 56 | 
 57 | [Fritzing Download](https://github.com/nickbild/vectron_vga/raw/master/diagrams/circuit_diagram.fzz)
 58 | 
 59 | You may notice some free space on a few of the breadboards.  You may be able to tighten the design a bit, but I had to space things out to prevent serious electromagnetic interference issues.  If any of the high speed switching lines (e.g. address and data) run parallel to one another over long distances, you'll get pixels that randomly flicker and other visual anomalies.  Space things out and keep high speed lines short and it'll be a nice stable image generated.
 60 | 
 61 | Prince of Persia title screen:
 62 | 
 63 | ![prince_of_persia](https://raw.githubusercontent.com/nickbild/vectron_vga/master/media/prince_of_persia_sm.jpg)
 64 | 
 65 | Color bars test, showing all 8 glorious colors.
 66 | 
 67 | ![color_bars](https://raw.githubusercontent.com/nickbild/vectron_vga/master/media/color_bars_sm.jpg)
 68 | 
 69 | 6502 code to generate color bars [is here](https://github.com/nickbild/vectron_vga/blob/master/display_graphics.asm).
 70 | 
 71 | Full setup (Vectron 64 on the left):
 72 | 
 73 | ![full_setup](https://raw.githubusercontent.com/nickbild/vectron_vga/master/media/full_setup_sm.jpg)
 74 | 
 75 | Vectron VGA:
 76 | 
 77 | ![full_setup](https://raw.githubusercontent.com/nickbild/vectron_vga/master/media/vectron_vga_sm.jpg)
 78 | 
 79 | ## Bill of Materials
 80 | 
 81 | - 9 x 2.2kΩ Resistor
 82 | - 3 x 357Ω Resistor
 83 | - 3 x 100Ω Resistor
 84 | - 1 x 220Ω Resistor
 85 | - 20 x SN74LS682N
 86 | - 12 x SN74LS244N
 87 | - 5 x SN74LS74AN
 88 | - 7 x SN74HCT32N
 89 | - 5 x SN74LS245N
 90 | - 8 x SN74LS161A
 91 | - 8 x SN74LS283N
 92 | - 9 x SN74LS273N
 93 | - 2 x SN74HCT374N
 94 | - 1 x SN74LS08N
 95 | - 3 x SN74LS04N
 96 | - 1 x CY7C199-55PC 32KB SRAM
 97 | - 1 x 25.175 MHz Crystal Oscillator
 98 | - 1 x VGA breakout board
 99 | - 14 x Full size breadboards
100 | - 3 x Half size breadboards
101 | - 1 x Perfboard
102 | - Sprinkle capacitors liberally
103 | - Miscellaneous wires
104 | 
105 | ## About the Author
106 | 
107 | [Nick A. Bild, MS](https://nickbild79.firebaseapp.com/#!/)
108 | 


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/diagrams/circuit_diagram_bb_sm.jpg:
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/diagrams/circuit_diagram_bom.html:
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  2 | <html xmlns="http://www.w3.org/1999/xhtml">
  3 | <head>
  4 | <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  5 | <title>Fritzing Bill of Materials</title>
  6 | <style type="text/css">
  7 | .meta {
  8 | 	font-size: small;
  9 | 	margin: 0.4em 0;
 10 | }
 11 | table {
 12 | 	border-collapse: collapse;
 13 | }
 14 | th {
 15 | 	font-weight: bold;
 16 | 	text-align: left;
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 18 | 	padding: 0.1em 1.5em 0.2em 0.1em;
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 20 | td {
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 22 | 	padding: 0.5em 1.5em 0.5em 0.1em;
 23 | }
 24 | .props {
 25 | 	font-size: smaller;
 26 | }
 27 | </style>
 28 | </head>
 29 | 
 30 | <body>
 31 | <h1>Bill of Materials: circuit_diagram.fzz</h1>
 32 | <p class="meta">/Users/nickbild/working/vectron_vga/diagrams/circuit_diagram.fzz</p>
 33 | <p class="meta">Tuesday, May 26 2020, 19:32:33</p>
 34 | 
 35 | <h2>Assembly List</h2>
 36 | <table>
 37 | 
 38 |   <thead>
 39 |    <tr>
 40 |     <th>Label</th>
 41 |     <th>Part Type</th>
 42 |     <th>Properties</th>
 43 |     </tr>
 44 |   </thead>
 45 |   <tbody>
 46 |   <tr>
 47 |     <td>R1</td>
 48 |     <td>2.2kΩ Resistor</td>
 49 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 50 | </tr><tr>
 51 |     <td>R2</td>
 52 |     <td>2.2kΩ Resistor</td>
 53 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 54 | </tr><tr>
 55 |     <td>R3</td>
 56 |     <td>2.2kΩ Resistor</td>
 57 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 58 | </tr><tr>
 59 |     <td>R4</td>
 60 |     <td>2.2kΩ Resistor</td>
 61 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 62 | </tr><tr>
 63 |     <td>R5</td>
 64 |     <td>2.2kΩ Resistor</td>
 65 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 66 | </tr><tr>
 67 |     <td>R6</td>
 68 |     <td>2.2kΩ Resistor</td>
 69 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 70 | </tr><tr>
 71 |     <td>R7</td>
 72 |     <td>2.2kΩ Resistor</td>
 73 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 74 | </tr><tr>
 75 |     <td>R8</td>
 76 |     <td>2.2kΩ Resistor</td>
 77 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 78 | </tr><tr>
 79 |     <td>R9</td>
 80 |     <td>2.2kΩ Resistor</td>
 81 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
 82 | </tr><tr>
 83 |     <td>R10</td>
 84 |     <td>357Ω Resistor</td>
 85 |     <td class="props">tolerance ±5%; resistance 357Ω; pin spacing 400 mil; package THT; bands 4</td>
 86 | </tr><tr>
 87 |     <td>R11</td>
 88 |     <td>357Ω Resistor</td>
 89 |     <td class="props">tolerance ±5%; resistance 357Ω; pin spacing 400 mil; package THT; bands 4</td>
 90 | </tr><tr>
 91 |     <td>R12</td>
 92 |     <td>357Ω Resistor</td>
 93 |     <td class="props">tolerance ±5%; resistance 357Ω; pin spacing 400 mil; package THT; bands 4</td>
 94 | </tr><tr>
 95 |     <td>R13</td>
 96 |     <td>100Ω Resistor</td>
 97 |     <td class="props">tolerance ±5%; resistance 100Ω; pin spacing 400 mil; package THT; bands 4</td>
 98 | </tr><tr>
 99 |     <td>R14</td>
100 |     <td>100Ω Resistor</td>
101 |     <td class="props">tolerance ±5%; resistance 100Ω; pin spacing 400 mil; package THT; bands 4</td>
102 | </tr><tr>
103 |     <td>R15</td>
104 |     <td>100Ω Resistor</td>
105 |     <td class="props">tolerance ±5%; resistance 100Ω; pin spacing 400 mil; package THT; bands 4</td>
106 | </tr><tr>
107 |     <td>R16</td>
108 |     <td>220Ω Resistor</td>
109 |     <td class="props">tolerance ±5%; resistance 220Ω; pin spacing 400 mil; package THT; bands 4</td>
110 | </tr><tr>
111 |     <td>U1</td>
112 |     <td>SN74LS682N</td>
113 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
114 | </tr><tr>
115 |     <td>U2</td>
116 |     <td>SN74LS682N</td>
117 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
118 | </tr><tr>
119 |     <td>U3</td>
120 |     <td>SN74LS244N</td>
121 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
122 | </tr><tr>
123 |     <td>U4</td>
124 |     <td>SN74LS244N</td>
125 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
126 | </tr><tr>
127 |     <td>U5</td>
128 |     <td>SN74LS74AN</td>
129 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS74AN; pins 14; package DIP (Dual Inline) [THT]</td>
130 | </tr><tr>
131 |     <td>U6</td>
132 |     <td>SN74HCT32N</td>
133 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
134 | </tr><tr>
135 |     <td>U7</td>
136 |     <td>SN74LS682N</td>
137 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
138 | </tr><tr>
139 |     <td>U8</td>
140 |     <td>SN74LS682N</td>
141 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
142 | </tr><tr>
143 |     <td>U9</td>
144 |     <td>SN74HCT32N</td>
145 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
146 | </tr><tr>
147 |     <td>U10</td>
148 |     <td>SN74LS245N</td>
149 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS245N; pins 20; package DIP (Dual Inline) [THT]</td>
150 | </tr><tr>
151 |     <td>U11</td>
152 |     <td>SN74LS682N</td>
153 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
154 | </tr><tr>
155 |     <td>U12</td>
156 |     <td>SN74LS682N</td>
157 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
158 | </tr><tr>
159 |     <td>U13</td>
160 |     <td>SN74LS682N</td>
161 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
162 | </tr><tr>
163 |     <td>U14</td>
164 |     <td>SN74LS682N</td>
165 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
166 | </tr><tr>
167 |     <td>U15</td>
168 |     <td>SN74LS245N</td>
169 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS245N; pins 20; package DIP (Dual Inline) [THT]</td>
170 | </tr><tr>
171 |     <td>U16</td>
172 |     <td>SN74LS244N</td>
173 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
174 | </tr><tr>
175 |     <td>U17</td>
176 |     <td>SN74LS74AN</td>
177 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS74AN; pins 14; package DIP (Dual Inline) [THT]</td>
178 | </tr><tr>
179 |     <td>U18</td>
180 |     <td>SN74LS682N</td>
181 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
182 | </tr><tr>
183 |     <td>U19</td>
184 |     <td>SN74LS682N</td>
185 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
186 | </tr><tr>
187 |     <td>U20</td>
188 |     <td>SN74LS161A</td>
189 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
190 | </tr><tr>
191 |     <td>U21</td>
192 |     <td>SN74LS161A</td>
193 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
194 | </tr><tr>
195 |     <td>U22</td>
196 |     <td>SN74HCT32N</td>
197 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
198 | </tr><tr>
199 |     <td>U23</td>
200 |     <td>SN74LS161A</td>
201 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
202 | </tr><tr>
203 |     <td>U24</td>
204 |     <td>SN74LS244N</td>
205 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
206 | </tr><tr>
207 |     <td>U25</td>
208 |     <td>SN74LS161A</td>
209 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
210 | </tr><tr>
211 |     <td>U26</td>
212 |     <td>SN74LS161A</td>
213 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
214 | </tr><tr>
215 |     <td>U27</td>
216 |     <td>SN74LS682N</td>
217 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
218 | </tr><tr>
219 |     <td>U28</td>
220 |     <td>SN74LS682N</td>
221 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
222 | </tr><tr>
223 |     <td>U29</td>
224 |     <td>SN74LS244N</td>
225 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
226 | </tr><tr>
227 |     <td>U30</td>
228 |     <td>SN74HCT32N</td>
229 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
230 | </tr><tr>
231 |     <td>U31</td>
232 |     <td>SN74LS74AN</td>
233 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS74AN; pins 14; package DIP (Dual Inline) [THT]</td>
234 | </tr><tr>
235 |     <td>U32</td>
236 |     <td>SN74LS161A</td>
237 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
238 | </tr><tr>
239 |     <td>U33</td>
240 |     <td>SN74LS283N</td>
241 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
242 | </tr><tr>
243 |     <td>U34</td>
244 |     <td>SN74LS283N</td>
245 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
246 | </tr><tr>
247 |     <td>U35</td>
248 |     <td>SN74LS283N</td>
249 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
250 | </tr><tr>
251 |     <td>U36</td>
252 |     <td>SN74LS283N</td>
253 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
254 | </tr><tr>
255 |     <td>U37</td>
256 |     <td>SN74LS682N</td>
257 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
258 | </tr><tr>
259 |     <td>U38</td>
260 |     <td>SN74LS682N</td>
261 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
262 | </tr><tr>
263 |     <td>U39</td>
264 |     <td>SN74LS273N</td>
265 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
266 | </tr><tr>
267 |     <td>U40</td>
268 |     <td>SN74LS273N</td>
269 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
270 | </tr><tr>
271 |     <td>U43</td>
272 |     <td>SN74HCT374N</td>
273 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT374N; pins 20; package DIP (Dual Inline) [THT]</td>
274 | </tr><tr>
275 |     <td>U44</td>
276 |     <td>SN74HCT374N</td>
277 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT374N; pins 20; package DIP (Dual Inline) [THT]</td>
278 | </tr><tr>
279 |     <td>U45</td>
280 |     <td>SN74LS74AN</td>
281 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS74AN; pins 14; package DIP (Dual Inline) [THT]</td>
282 | </tr><tr>
283 |     <td>U46</td>
284 |     <td>SN74HCT32N</td>
285 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
286 | </tr><tr>
287 |     <td>U47</td>
288 |     <td>SN74LS244N</td>
289 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
290 | </tr><tr>
291 |     <td>U48</td>
292 |     <td>SN74LS245N</td>
293 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS245N; pins 20; package DIP (Dual Inline) [THT]</td>
294 | </tr><tr>
295 |     <td>U49</td>
296 |     <td>SN74LS245N</td>
297 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS245N; pins 20; package DIP (Dual Inline) [THT]</td>
298 | </tr><tr>
299 |     <td>U50</td>
300 |     <td>SN74LS245N</td>
301 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS245N; pins 20; package DIP (Dual Inline) [THT]</td>
302 | </tr><tr>
303 |     <td>U51</td>
304 |     <td>SN74LS682N</td>
305 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
306 | </tr><tr>
307 |     <td>U52</td>
308 |     <td>SN74LS682N</td>
309 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
310 | </tr><tr>
311 |     <td>U53</td>
312 |     <td>SN74LS08N</td>
313 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS08N; pins 14; package DIP (Dual Inline) [THT]</td>
314 | </tr><tr>
315 |     <td>U54</td>
316 |     <td>SN74LS04N</td>
317 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS04N; pins 14; package DIP (Dual Inline) [THT]</td>
318 | </tr><tr>
319 |     <td>U55</td>
320 |     <td>SN74LS74AN</td>
321 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS74AN; pins 14; package DIP (Dual Inline) [THT]</td>
322 | </tr><tr>
323 |     <td>U56</td>
324 |     <td>CY7C199-55PC</td>
325 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label CY7C199-55PC; pins 28; package DIP (Dual Inline) [THT]</td>
326 | </tr><tr>
327 |     <td>U57</td>
328 |     <td>SN74LS244N</td>
329 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
330 | </tr><tr>
331 |     <td>U58</td>
332 |     <td>SN74LS244N</td>
333 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
334 | </tr><tr>
335 |     <td>U59</td>
336 |     <td>SN74LS244N</td>
337 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
338 | </tr><tr>
339 |     <td>U60</td>
340 |     <td>SN74LS244N</td>
341 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
342 | </tr><tr>
343 |     <td>U61</td>
344 |     <td>SN74LS244N</td>
345 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
346 | </tr><tr>
347 |     <td>U62</td>
348 |     <td>SN74LS273N</td>
349 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
350 | </tr><tr>
351 |     <td>U63</td>
352 |     <td>SN74LS161A</td>
353 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
354 | </tr><tr>
355 |     <td>U64</td>
356 |     <td>SN74LS161A</td>
357 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
358 | </tr><tr>
359 |     <td>U65</td>
360 |     <td>SN74LS273N</td>
361 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
362 | </tr><tr>
363 |     <td>U66</td>
364 |     <td>SN74LS283N</td>
365 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
366 | </tr><tr>
367 |     <td>U67</td>
368 |     <td>SN74LS283N</td>
369 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
370 | </tr><tr>
371 |     <td>U68</td>
372 |     <td>SN74LS283N</td>
373 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
374 | </tr><tr>
375 |     <td>U69</td>
376 |     <td>SN74LS283N</td>
377 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
378 | </tr><tr>
379 |     <td>U70</td>
380 |     <td>SN74LS273N</td>
381 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
382 | </tr><tr>
383 |     <td>U71</td>
384 |     <td>SN74LS273N</td>
385 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
386 | </tr><tr>
387 |     <td>U72</td>
388 |     <td>SN74LS273N</td>
389 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
390 | </tr><tr>
391 |     <td>U73</td>
392 |     <td>SN74LS273N</td>
393 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
394 | </tr><tr>
395 |     <td>U74</td>
396 |     <td>SN74LS273N</td>
397 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
398 | </tr><tr>
399 |     <td>U75</td>
400 |     <td>SN74LS04N</td>
401 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS04N; pins 14; package DIP (Dual Inline) [THT]</td>
402 | </tr><tr>
403 |     <td>U76</td>
404 |     <td>SN74LS244N</td>
405 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
406 | </tr><tr>
407 |     <td>U77</td>
408 |     <td>SN74LS682N</td>
409 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
410 | </tr><tr>
411 |     <td>U78</td>
412 |     <td>SN74LS682N</td>
413 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
414 | </tr><tr>
415 |     <td>U79</td>
416 |     <td>SN74LS682N</td>
417 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
418 | </tr><tr>
419 |     <td>U80</td>
420 |     <td>SN74HCT32N</td>
421 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
422 | </tr><tr>
423 |     <td>U81</td>
424 |     <td>SN74HCT32N</td>
425 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
426 | </tr><tr>
427 |     <td>U82</td>
428 |     <td>SN74LS04N</td>
429 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS04N; pins 14; package DIP (Dual Inline) [THT]</td>
430 | </tr><tr>
431 |     <td>U83</td>
432 |     <td>SN74LS682N</td>
433 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
434 | </tr><tr>
435 |     <td>XTAL1</td>
436 |     <td>Crystal</td>
437 |     <td class="props">type crystal; package SMD; frequency 25 MHz</td>
438 | </tr>
439 |   </tbody>
440 | </table>
441 | <h2>Shopping List</h2>
442 | <table>
443 |   <thead>
444 | 	<tr>
445 |     <th>Amount</th>
446 |     <th>Part Type</th>
447 |     <th>Properties</th>
448 |     </tr>
449 |   </thead>
450 |   <tbody>
451 | <tr>
452 |     <td>9</td>
453 |     <td>2.2kΩ Resistor</td>
454 |     <td class="props">tolerance ±5%; resistance 2.2kΩ; pin spacing 400 mil; package THT; bands 4</td>
455 | </tr><tr>
456 |     <td>3</td>
457 |     <td>357Ω Resistor</td>
458 |     <td class="props">tolerance ±5%; resistance 357Ω; pin spacing 400 mil; package THT; bands 4</td>
459 | </tr><tr>
460 |     <td>3</td>
461 |     <td>100Ω Resistor</td>
462 |     <td class="props">tolerance ±5%; resistance 100Ω; pin spacing 400 mil; package THT; bands 4</td>
463 | </tr><tr>
464 |     <td>1</td>
465 |     <td>220Ω Resistor</td>
466 |     <td class="props">tolerance ±5%; resistance 220Ω; pin spacing 400 mil; package THT; bands 4</td>
467 | </tr><tr>
468 |     <td>20</td>
469 |     <td>SN74LS682N</td>
470 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS682N; pins 20; package DIP (Dual Inline) [THT]</td>
471 | </tr><tr>
472 |     <td>12</td>
473 |     <td>SN74LS244N</td>
474 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS244N; pins 20; package DIP (Dual Inline) [THT]</td>
475 | </tr><tr>
476 |     <td>5</td>
477 |     <td>SN74LS74AN</td>
478 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS74AN; pins 14; package DIP (Dual Inline) [THT]</td>
479 | </tr><tr>
480 |     <td>7</td>
481 |     <td>SN74HCT32N</td>
482 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT32N; pins 14; package DIP (Dual Inline) [THT]</td>
483 | </tr><tr>
484 |     <td>5</td>
485 |     <td>SN74LS245N</td>
486 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS245N; pins 20; package DIP (Dual Inline) [THT]</td>
487 | </tr><tr>
488 |     <td>8</td>
489 |     <td>SN74LS161A</td>
490 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS161A; pins 16; package DIP (Dual Inline) [THT]</td>
491 | </tr><tr>
492 |     <td>8</td>
493 |     <td>SN74LS283N</td>
494 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS283N; pins 16; package DIP (Dual Inline) [THT]</td>
495 | </tr><tr>
496 |     <td>9</td>
497 |     <td>SN74LS273N</td>
498 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS273N; pins 20; package DIP (Dual Inline) [THT]</td>
499 | </tr><tr>
500 |     <td>2</td>
501 |     <td>SN74HCT374N</td>
502 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74HCT374N; pins 20; package DIP (Dual Inline) [THT]</td>
503 | </tr><tr>
504 |     <td>1</td>
505 |     <td>SN74LS08N</td>
506 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS08N; pins 14; package DIP (Dual Inline) [THT]</td>
507 | </tr><tr>
508 |     <td>3</td>
509 |     <td>SN74LS04N</td>
510 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label SN74LS04N; pins 14; package DIP (Dual Inline) [THT]</td>
511 | </tr><tr>
512 |     <td>1</td>
513 |     <td>CY7C199-55PC</td>
514 |     <td class="props">hole size 1.0mm,0.508mm; pin spacing 300mil;  true; chip label CY7C199-55PC; pins 28; package DIP (Dual Inline) [THT]</td>
515 | </tr><tr>
516 |     <td>1</td>
517 |     <td>Crystal</td>
518 |     <td class="props">type crystal; package SMD; frequency 25 MHz</td>
519 | </tr>
520 |   </tbody>
521 | </table>
522 | <p class="meta"><br/>Exported with Fritzing 0.9.3- http://fritzing.org</p>
523 | </body>
524 | </html>
525 | 


--------------------------------------------------------------------------------
/display_graphics.asm:
--------------------------------------------------------------------------------
  1 | ;;;;
  2 | ; Display image on Vectron 64 VGA generator.
  3 | ; Nick Bild - nick.bild@gmail.com
  4 | ; https://github.com/nickbild/vectron_vga
  5 | ;
  6 | ; Reserved memory:
  7 | ;
  8 | ; $0002 - 16-bit counter low bits.
  9 | ; $0003 - 16-bit counter high bits.
 10 | ;
 11 | ; $0005 - VRAM data clock.
 12 | ; $0006 - VRAM lower address clock.
 13 | ; $0007 - VRAM upper address clock.
 14 | ; $00F8 - VGA mode - program or display.
 15 | ; $00F9 - VRAM write enable (WE) pin.
 16 | ;
 17 | ; $0100-$01FF - 6502 stack
 18 | ;
 19 | ; $FFFA - NMI IRQ Vector
 20 | ; $FFFB - NMI IRQ Vector
 21 | ; $FFFC - Reset Vector - Stores start address of this ROM.
 22 | ; $FFFD - Reset Vector
 23 | ; $FFFE - IRQ Vector - Keyboard ISR address.
 24 | ; $FFFF - IRQ Vector
 25 | ;;;;
 26 | 
 27 | 		processor 6502
 28 | 
 29 |     ; Named variables in RAM.
 30 |     		ORG $0002
 31 | 
 32 | CounterLow
 33 | 		.byte #$00
 34 | CounterHigh
 35 | 		.byte #$00
 36 | 
 37 | ; Start at beginning of ROM.
 38 | StartExe	ORG $8000
 39 |     ; Initialize counter.
 40 |     lda #$A0
 41 |     sta CounterLow
 42 |     lda #$00
 43 |     sta CounterHigh
 44 | 
 45 |     ; Set VGA generator to "program" mode.
 46 |     lda #$01
 47 |     sta $00F8
 48 | 
 49 |     ;;;;
 50 |     ;; Load data to VRAM.
 51 |     ;;;;
 52 | 
 53 | LoadMemory1
 54 |     lda CounterLow
 55 |     sta $0006 ; Clock lower address.
 56 |     lda CounterHigh
 57 |     sta $0007 ; Clock upper address.
 58 |     lda #$01
 59 |     sta $0005 ; Clock data.
 60 |     lda $00F9 ; Pulse WE.
 61 | 
 62 |     ; 16 bit counter increment.
 63 |     inc CounterLow
 64 |     bne skipHighInc1
 65 |     inc CounterHigh
 66 | skipHighInc1
 67 | 
 68 |     lda CounterHigh
 69 |     cmp #$05  ; Next 8 lines (1280 pixels).
 70 |     bne LoadMemory1
 71 | 
 72 | LoadMemory2
 73 |     lda CounterLow
 74 |     sta $0006 ; Clock lower address.
 75 |     lda CounterHigh
 76 |     sta $0007 ; Clock upper address.
 77 |     lda #$02
 78 |     sta $0005 ; Clock data.
 79 |     lda $00F9 ; Pulse WE.
 80 | 
 81 |     ; 16 bit counter increment.
 82 |     inc CounterLow
 83 |     bne skipHighInc2
 84 |     inc CounterHigh
 85 | skipHighInc2
 86 | 
 87 |     lda CounterHigh
 88 |     cmp #$0A  ; Next 8 lines (1280 pixels).
 89 |     bne LoadMemory2
 90 | 
 91 | LoadMemory3
 92 |     lda CounterLow
 93 |     sta $0006 ; Clock lower address.
 94 |     lda CounterHigh
 95 |     sta $0007 ; Clock upper address.
 96 |     lda #$03
 97 |     sta $0005 ; Clock data.
 98 |     lda $00F9 ; Pulse WE.
 99 | 
100 |     ; 16 bit counter increment.
101 |     inc CounterLow
102 |     bne skipHighInc3
103 |     inc CounterHigh
104 | skipHighInc3
105 | 
106 |     lda CounterHigh
107 |     cmp #$0F  ; Next 8 lines (1280 pixels).
108 |     bne LoadMemory3
109 | 
110 | LoadMemory4
111 |     lda CounterLow
112 |     sta $0006 ; Clock lower address.
113 |     lda CounterHigh
114 |     sta $0007 ; Clock upper address.
115 |     lda #$04
116 |     sta $0005 ; Clock data.
117 |     lda $00F9 ; Pulse WE.
118 | 
119 |     ; 16 bit counter increment.
120 |     inc CounterLow
121 |     bne skipHighInc4
122 |     inc CounterHigh
123 | skipHighInc4
124 | 
125 |     lda CounterHigh
126 |     cmp #$14  ; Next 8 lines (1280 pixels).
127 |     bne LoadMemory4
128 | 
129 | LoadMemory5
130 |     lda CounterLow
131 |     sta $0006 ; Clock lower address.
132 |     lda CounterHigh
133 |     sta $0007 ; Clock upper address.
134 |     lda #$05
135 |     sta $0005 ; Clock data.
136 |     lda $00F9 ; Pulse WE.
137 | 
138 |     ; 16 bit counter increment.
139 |     inc CounterLow
140 |     bne skipHighInc5
141 |     inc CounterHigh
142 | skipHighInc5
143 | 
144 |     lda CounterHigh
145 |     cmp #$19  ; Next 8 lines (1280 pixels).
146 |     bne LoadMemory5
147 | 
148 | LoadMemory6
149 |     lda CounterLow
150 |     sta $0006 ; Clock lower address.
151 |     lda CounterHigh
152 |     sta $0007 ; Clock upper address.
153 |     lda #$06
154 |     sta $0005 ; Clock data.
155 |     lda $00F9 ; Pulse WE.
156 | 
157 |     ; 16 bit counter increment.
158 |     inc CounterLow
159 |     bne skipHighInc6
160 |     inc CounterHigh
161 | skipHighInc6
162 | 
163 |     lda CounterHigh
164 |     cmp #$1E  ; Next 8 lines (1280 pixels).
165 |     bne LoadMemory6
166 | 
167 | LoadMemory7
168 |     lda CounterLow
169 |     sta $0006 ; Clock lower address.
170 |     lda CounterHigh
171 |     sta $0007 ; Clock upper address.
172 |     lda #$07
173 |     sta $0005 ; Clock data.
174 |     lda $00F9 ; Pulse WE.
175 | 
176 |     ; 16 bit counter increment.
177 |     inc CounterLow
178 |     bne skipHighInc7
179 |     inc CounterHigh
180 | skipHighInc7
181 | 
182 |     lda CounterHigh
183 |     cmp #$23  ; Next 8 lines (1280 pixels).
184 |     bne LoadMemory7
185 | 
186 | LoadMemory8
187 |     lda CounterLow
188 |     sta $0006 ; Clock lower address.
189 |     lda CounterHigh
190 |     sta $0007 ; Clock upper address.
191 |     lda #$00
192 |     sta $0005 ; Clock data.
193 |     lda $00F9 ; Pulse WE.
194 | 
195 |     ; 16 bit counter increment.
196 |     inc CounterLow
197 |     bne skipHighInc8
198 |     inc CounterHigh
199 | skipHighInc8
200 | 
201 |     lda CounterHigh
202 |     cmp #$28  ; Next 8 lines (1280 pixels).
203 |     bne LoadMemory8
204 | 
205 | LoadMemory9
206 |     lda CounterLow
207 |     sta $0006 ; Clock lower address.
208 |     lda CounterHigh
209 |     sta $0007 ; Clock upper address.
210 |     lda #$07
211 |     sta $0005 ; Clock data.
212 |     lda $00F9 ; Pulse WE.
213 | 
214 |     ; 16 bit counter increment.
215 |     inc CounterLow
216 |     bne skipHighInc9
217 |     inc CounterHigh
218 | skipHighInc9
219 | 
220 |     lda CounterHigh
221 |     cmp #$2D  ; Next 8 lines (1280 pixels).
222 |     bne LoadMemory9
223 | 
224 | LoadMemory10
225 |     lda CounterLow
226 |     sta $0006 ; Clock lower address.
227 |     lda CounterHigh
228 |     sta $0007 ; Clock upper address.
229 |     lda #$06
230 |     sta $0005 ; Clock data.
231 |     lda $00F9 ; Pulse WE.
232 | 
233 |     ; 16 bit counter increment.
234 |     inc CounterLow
235 |     bne skipHighInc10
236 |     inc CounterHigh
237 | skipHighInc10
238 | 
239 |     lda CounterHigh
240 |     cmp #$32  ; Next 8 lines (1280 pixels).
241 |     bne LoadMemory10
242 | 
243 | LoadMemory11
244 |     lda CounterLow
245 |     sta $0006 ; Clock lower address.
246 |     lda CounterHigh
247 |     sta $0007 ; Clock upper address.
248 |     lda #$05
249 |     sta $0005 ; Clock data.
250 |     lda $00F9 ; Pulse WE.
251 | 
252 |     ; 16 bit counter increment.
253 |     inc CounterLow
254 |     bne skipHighInc11
255 |     inc CounterHigh
256 | skipHighInc11
257 | 
258 |     lda CounterHigh
259 |     cmp #$37  ; Next 8 lines (1280 pixels).
260 |     bne LoadMemory11
261 | 
262 | LoadMemory12
263 |     lda CounterLow
264 |     sta $0006 ; Clock lower address.
265 |     lda CounterHigh
266 |     sta $0007 ; Clock upper address.
267 |     lda #$04
268 |     sta $0005 ; Clock data.
269 |     lda $00F9 ; Pulse WE.
270 | 
271 |     ; 16 bit counter increment.
272 |     inc CounterLow
273 |     bne skipHighInc12
274 |     inc CounterHigh
275 | skipHighInc12
276 | 
277 |     lda CounterHigh
278 |     cmp #$3C  ; Next 8 lines (1280 pixels).
279 |     bne LoadMemory12
280 | 
281 | LoadMemory13
282 |     lda CounterLow
283 |     sta $0006 ; Clock lower address.
284 |     lda CounterHigh
285 |     sta $0007 ; Clock upper address.
286 |     lda #$03
287 |     sta $0005 ; Clock data.
288 |     lda $00F9 ; Pulse WE.
289 | 
290 |     ; 16 bit counter increment.
291 |     inc CounterLow
292 |     bne skipHighInc13
293 |     inc CounterHigh
294 | skipHighInc13
295 | 
296 |     lda CounterHigh
297 |     cmp #$41  ; Next 8 lines (1280 pixels).
298 |     bne LoadMemory13
299 | 
300 | LoadMemory14
301 |     lda CounterLow
302 |     sta $0006 ; Clock lower address.
303 |     lda CounterHigh
304 |     sta $0007 ; Clock upper address.
305 |     lda #$02
306 |     sta $0005 ; Clock data.
307 |     lda $00F9 ; Pulse WE.
308 | 
309 |     ; 16 bit counter increment.
310 |     inc CounterLow
311 |     bne skipHighInc14
312 |     inc CounterHigh
313 | skipHighInc14
314 | 
315 |     lda CounterHigh
316 |     cmp #$46  ; Next 8 lines (1280 pixels).
317 |     bne LoadMemory14
318 | 
319 | LoadMemory15
320 |     lda CounterLow
321 |     sta $0006 ; Clock lower address.
322 |     lda CounterHigh
323 |     sta $0007 ; Clock upper address.
324 |     lda #$01
325 |     sta $0005 ; Clock data.
326 |     lda $00F9 ; Pulse WE.
327 | 
328 |     ; 16 bit counter increment.
329 |     inc CounterLow
330 |     bne skipHighInc15
331 |     inc CounterHigh
332 | skipHighInc15
333 | 
334 |     lda CounterHigh
335 |     cmp #$50  ; Next 8 lines (1280 pixels).
336 |     bne LoadMemory15
337 | 
338 |     ; Set VGA generator to "display" mode.
339 |     lda #$00
340 |     sta $00F8
341 | 
342 | MainLoop
343 |     jmp MainLoop
344 | 
345 | ; Store the location of key program sections.
346 | 		ORG $FFFC
347 | ResetVector
348 | 		.word StartExe		        ; Start of execution.
349 | 


--------------------------------------------------------------------------------
/graphics/prince_of_persia.piskel:
--------------------------------------------------------------------------------
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/media/vectron_vga.gif:
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/media/vectron_vga.mp4:
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https://raw.githubusercontent.com/nickbild/vectron_vga/bd94c7b8e63fbf45b39ea0350c750b48a680105b/media/vectron_vga.mp4


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/media/vectron_vga_short.gif:
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/sram_vectron_simulator/README.md:
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1 | This simulates sending signals from the Vectron 64 for rapid iteration.  The working sequence is then used with the Vectron 64.
2 | 


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/sram_vectron_simulator/sram_vectron_simulator.ino:
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  1 | /****
  2 | * Nick Bild
  3 | * nick.bild@gmail.com
  4 | * Simulate signals before implementing on Vectron 64.
  5 | ****/
  6 | 
  7 | #include <avr/pgmspace.h>
  8 | 
  9 | const byte screen_data[19200] PROGMEM = {
 10 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 2, 0, 0, 0, 0, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 
 11 | 0, 0, 1, 1, 0, 0, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 2, 0, 0, 0, 2, 1, 0, 0, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 
 12 | 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 2, 0, 0, 0, 2, 1, 0, 0, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 0, 0, 0, 0, 1, 0, 0, 0, 
 13 | 0, 1, 0, 0, 1, 0, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 0, 0, 0, 2, 1, 0, 0, 1, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 0, 0, 1, 1, 0, 1, 1, 0, 
 14 | 0, 1, 0, 0, 1, 0, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 0, 0, 0, 1, 2, 2, 0, 0, 0, 2, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 1, 2, 2, 0, 1, 0, 2, 2, 0, 0, 1, 1, 0, 1, 1, 0, 
 15 | 0, 0, 1, 1, 0, 0, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 2, 0, 0, 0, 1, 1, 2, 0, 0, 0, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 
 16 | 0, 0, 1, 1, 0, 0, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 3, 2, 1, 0, 0, 0, 2, 1, 1, 1, 0, 0, 0, 2, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 1, 3, 3, 1, 1, 1, 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 
 17 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 1, 1, 1, 1, 2, 0, 0, 0, 0, 1, 2, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 3, 0, 0, 0, 0, 0, 0, 0, 0, 
 18 | 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 
 19 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 20 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 21 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 1, 3, 2, 2, 1, 2, 3, 3, 3, 3, 3, 3, 0, 2, 1, 2, 3, 3, 3, 2, 2, 3, 3, 2, 1, 3, 3, 3, 3, 2, 1, 2, 3, 3, 3, 2, 2, 3, 3, 3, 2, 2, 3, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 3, 3, 1, 3, 3, 3, 3, 2, 3, 3, 3, 3, 1, 1, 3, 3, 3, 3, 2, 2, 3, 3, 3, 1, 3, 3, 3, 2, 1, 2, 1, 2, 3, 3, 3, 3, 3, 3, 1, 2, 1, 2, 2, 2, 3, 3, 3, 2, 1, 1, 0, 3, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 22 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 2, 2, 3, 2, 1, 2, 3, 3, 3, 3, 3, 3, 2, 3, 2, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 1, 1, 1, 2, 3, 3, 3, 3, 1, 1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 1, 2, 2, 3, 3, 3, 1, 2, 2, 0, 3, 3, 3, 2, 3, 1, 2, 1, 1, 3, 3, 3, 3, 2, 3, 3, 2, 3, 3, 3, 3, 3, 3, 2, 1, 3, 3, 2, 3, 3, 3, 3, 3, 1, 2, 1, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 23 | 3, 1, 1, 1, 1, 3, 1, 2, 2, 2, 3, 2, 3, 3, 3, 3, 3, 3, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 1, 2, 1, 2, 3, 3, 2, 3, 3, 3, 3, 2, 1, 1, 1, 2, 3, 3, 3, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 1, 1, 2, 2, 2, 1, 2, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 3, 3, 3, 1, 2, 2, 0, 3, 3, 3, 3, 2, 2, 3, 3, 2, 2, 2, 2, 3, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 24 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 25 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 26 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 27 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 3, 3, 1, 3, 3, 3, 2, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 3, 1, 3, 3, 3, 3, 3, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 1, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 3, 3, 3, 2, 2, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 28 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 2, 2, 2, 2, 3, 2, 2, 3, 3, 3, 3, 3, 2, 1, 2, 3, 3, 3, 3, 3, 3, 3, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 1, 0, 0, 0, 0, 0, 0, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 0, 2, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 1, 2, 1, 0, 0, 0, 0, 0, 0, 2, 1, 2, 2, 1, 2, 1, 1, 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 1, 1, 3, 3, 3, 3, 3, 2, 1, 3, 3, 1, 1, 2, 1, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 29 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 2, 1, 2, 2, 2, 0, 3, 3, 2, 2, 2, 3, 3, 3, 3, 2, 1, 1, 1, 2, 2, 1, 3, 3, 3, 3, 3, 2, 0, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 2, 2, 2, 1, 0, 0, 0, 0, 0, 0, 2, 1, 2, 2, 3, 1, 1, 2, 3, 3, 3, 3, 2, 2, 1, 1, 2, 2, 1, 3, 3, 3, 3, 3, 1, 2, 3, 2, 2, 2, 2, 1, 2, 1, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 30 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 0, 1, 1, 2, 2, 2, 1, 0, 0, 0, 0, 0, 1, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 0, 0, 2, 1, 2, 1, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 31 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 0, 0, 0, 0, 0, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 0, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 32 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 2, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 1, 1, 0, 2, 2, 1, 2, 1, 2, 1, 0, 2, 1, 1, 2, 1, 2, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 2, 0, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 33 | 3, 1, 1, 1, 1, 3, 1, 2, 2, 2, 2, 2, 1, 2, 2, 3, 3, 3, 2, 1, 2, 3, 2, 3, 3, 2, 2, 1, 3, 2, 2, 2, 1, 2, 3, 3, 3, 3, 1, 0, 0, 0, 0, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 0, 0, 2, 1, 1, 0, 0, 2, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1, 0, 1, 1, 2, 1, 2, 1, 1, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 2, 3, 3, 3, 3, 1, 1, 2, 2, 3, 2, 2, 2, 3, 3, 3, 0, 0, 1, 1, 3, 3, 3, 3, 2, 0, 1, 3, 1, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 34 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 2, 3, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 1, 3, 3, 2, 0, 0, 0, 0, 0, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 3, 3, 2, 2, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 3, 3, 3, 3, 3, 3, 1, 3, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 35 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 1, 1, 1, 2, 2, 2, 3, 2, 1, 1, 2, 3, 3, 3, 3, 1, 3, 3, 3, 3, 2, 0, 0, 0, 0, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 0, 1, 2, 2, 0, 0, 1, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 0, 0, 0, 0, 1, 2, 3, 3, 3, 2, 2, 3, 3, 3, 2, 1, 1, 2, 3, 3, 2, 3, 1, 1, 1, 2, 3, 1, 3, 2, 2, 3, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 36 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 0, 0, 0, 0, 1, 2, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 37 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 0, 0, 0, 0, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 38 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 0, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 0, 0, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 1, 0, 0, 0, 1, 1, 0, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 0, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 39 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 2, 2, 3, 3, 3, 3, 2, 1, 2, 3, 2, 1, 1, 2, 2, 1, 2, 2, 3, 2, 1, 1, 1, 1, 0, 0, 0, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 0, 0, 2, 1, 2, 0, 0, 2, 2, 2, 1, 1, 0, 2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 3, 3, 1, 1, 2, 1, 2, 1, 2, 3, 2, 1, 3, 3, 3, 3, 2, 3, 2, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 40 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 1, 2, 1, 2, 2, 2, 2, 3, 3, 3, 1, 2, 1, 3, 2, 2, 2, 2, 2, 3, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 1, 0, 2, 1, 1, 1, 0, 2, 1, 1, 0, 2, 0, 0, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 1, 2, 0, 0, 0, 0, 2, 2, 2, 3, 2, 2, 2, 1, 3, 2, 2, 1, 2, 3, 3, 3, 2, 2, 2, 0, 2, 1, 2, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 41 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 3, 3, 2, 3, 3, 3, 3, 2, 1, 1, 0, 0, 0, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 2, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 2, 1, 0, 0, 2, 1, 1, 1, 2, 0, 2, 1, 1, 0, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 2, 0, 0, 0, 0, 2, 2, 2, 3, 3, 3, 2, 2, 3, 2, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 3, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 42 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 2, 1, 2, 0, 2, 2, 0, 2, 2, 1, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 1, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 43 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 1, 1, 1, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 2, 2, 0, 2, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 0, 0, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 44 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 2, 1, 2, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 0, 2, 2, 1, 2, 1, 2, 0, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 45 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 2, 1, 1, 2, 3, 1, 3, 3, 2, 2, 3, 3, 3, 1, 0, 0, 0, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 0, 2, 2, 1, 1, 0, 2, 0, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 2, 3, 3, 2, 1, 3, 3, 2, 2, 3, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 46 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 2, 1, 2, 2, 1, 1, 2, 3, 3, 3, 3, 2, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 0, 2, 2, 1, 0, 0, 2, 0, 2, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 0, 0, 0, 1, 2, 3, 3, 3, 3, 2, 1, 2, 2, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 47 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 2, 2, 3, 2, 3, 3, 3, 2, 1, 3, 3, 3, 3, 1, 0, 0, 0, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 3, 3, 1, 1, 1, 3, 1, 0, 0, 1, 1, 1, 1, 2, 3, 0, 2, 2, 2, 2, 2, 2, 0, 2, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 0, 0, 0, 2, 3, 3, 3, 2, 2, 2, 3, 3, 2, 2, 3, 1, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 48 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 0, 0, 0, 0, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 0, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 49 | 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 0, 0, 0, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 0, 2, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 2, 2, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 1, 2, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 50 | 1, 2, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 2, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 3, 2, 2, 3, 3, 3, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 51 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 1, 3, 3, 3, 2, 2, 3, 3, 3, 3, 1, 1, 3, 3, 3, 3, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 3, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 2, 2, 3, 2, 2, 1, 2, 3, 3, 3, 3, 1, 2, 3, 3, 2, 2, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 52 | 3, 1, 1, 1, 1, 3, 1, 2, 2, 3, 1, 1, 2, 1, 3, 2, 3, 3, 3, 0, 2, 2, 1, 3, 3, 3, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 1, 0, 0, 0, 0, 0, 1, 0, 1, 3, 3, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 3, 3, 3, 1, 1, 3, 3, 3, 3, 1, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 3, 3, 3, 2, 1, 1, 1, 2, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 53 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 2, 2, 3, 3, 3, 3, 0, 2, 2, 1, 3, 3, 3, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 2, 1, 0, 1, 0, 0, 0, 2, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 3, 1, 3, 1, 1, 1, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 3, 3, 3, 2, 1, 1, 1, 2, 3, 3, 3, 3, 2, 3, 3, 2, 1, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 54 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 2, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 1, 2, 0, 2, 2, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 55 | 1, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 2, 2, 2, 0, 2, 2, 0, 0, 2, 1, 0, 0, 1, 1, 3, 2, 1, 0, 0, 0, 0, 0, 1, 0, 2, 1, 2, 2, 2, 2, 1, 1, 1, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2, 1, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 56 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 0, 2, 1, 2, 2, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 2, 2, 2, 0, 2, 1, 2, 2, 1, 0, 0, 0, 0, 0, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 2, 2, 2, 3, 1, 1, 2, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 0, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 57 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 1, 2, 2, 2, 1, 1, 3, 2, 2, 2, 0, 0, 0, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 2, 3, 3, 3, 3, 0, 2, 1, 2, 0, 1, 0, 2, 0, 2, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 3, 3, 3, 1, 0, 0, 0, 0, 0, 1, 0, 2, 1, 1, 2, 2, 2, 2, 2, 2, 0, 0, 2, 1, 1, 1, 1, 1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 1, 3, 2, 2, 2, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 1, 3, 1, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 58 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 1, 0, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 3, 3, 1, 0, 0, 0, 2, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 0, 2, 1, 2, 1, 2, 1, 0, 0, 0, 1, 2, 0, 1, 2, 1, 0, 0, 0, 0, 1, 3, 3, 3, 3, 3, 0, 0, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 2, 3, 3, 2, 1, 2, 2, 1, 1, 3, 2, 2, 1, 2, 2, 1, 2, 2, 2, 1, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 59 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 1, 1, 3, 2, 2, 1, 2, 1, 3, 1, 2, 1, 2, 3, 2, 2, 1, 2, 2, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 0, 0, 2, 1, 1, 1, 2, 0, 0, 2, 0, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 0, 0, 0, 1, 2, 2, 1, 2, 2, 1, 2, 1, 1, 1, 1, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 1, 2, 1, 1, 2, 2, 3, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 0, 2, 3, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 60 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 0, 0, 1, 0, 1, 2, 2, 2, 2, 2, 2, 0, 2, 1, 0, 2, 0, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 0, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 61 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 1, 2, 2, 2, 0, 0, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 2, 0, 1, 0, 0, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 62 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 1, 1, 0, 2, 2, 2, 0, 0, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 63 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 2, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 64 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 0, 0, 0, 0, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 0, 0, 2, 2, 1, 1, 1, 0, 3, 3, 3, 3, 3, 3, 1, 1, 3, 3, 3, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 65 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 0, 0, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 0, 2, 2, 1, 1, 1, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 0, 3, 3, 0, 0, 1, 1, 2, 2, 2, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 66 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 2, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 67 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 68 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 69 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1, 2, 2, 3, 2, 2, 3, 2, 2, 2, 2, 2, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 0, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 70 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 3, 2, 3, 3, 2, 2, 2, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 2, 2, 0, 0, 0, 0, 2, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 71 | 3, 1, 1, 1, 1, 3, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 72 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 73 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 3, 2, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 74 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 3, 3, 3, 2, 0, 0, 0, 3, 2, 3, 3, 3, 2, 0, 0, 0, 3, 0, 3, 3, 3, 2, 3, 2, 3, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 3, 0, 2, 2, 2, 3, 3, 3, 2, 3, 2, 0, 0, 2, 3, 3, 3, 0, 0, 3, 3, 0, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 75 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 2, 3, 3, 3, 3, 2, 2, 0, 3, 3, 0, 0, 0, 0, 1, 2, 2, 2, 0, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 1, 3, 0, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 3, 1, 1, 3, 2, 2, 0, 2, 1, 2, 0, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 0, 2, 2, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 3, 3, 3, 3, 3, 2, 0, 2, 2, 3, 3, 3, 3, 2, 0, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 76 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 2, 0, 0, 3, 2, 0, 0, 2, 3, 3, 2, 0, 0, 0, 3, 2, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 1, 0, 0, 0, 2, 3, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 3, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 1, 2, 3, 2, 3, 2, 2, 2, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 1, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 1, 3, 1, 2, 2, 0, 0, 0, 0, 2, 3, 3, 2, 0, 0, 0, 2, 2, 3, 3, 3, 2, 0, 0, 0, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 77 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 2, 0, 0, 0, 2, 0, 0, 0, 2, 3, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 3, 3, 0, 0, 0, 0, 0, 0, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 78 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 0, 3, 3, 2, 3, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 0, 3, 3, 2, 0, 3, 3, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 79 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 0, 3, 2, 0, 0, 0, 0, 3, 3, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 2, 0, 0, 0, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 3, 3, 0, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 80 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 2, 0, 0, 0, 3, 0, 2, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 2, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 3, 3, 3, 3, 3, 0, 0, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 81 | 3, 1, 1, 1, 1, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 1, 1, 2, 1, 2, 0, 0, 0, 2, 0, 0, 2, 2, 1, 2, 1, 1, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 1, 3, 1, 1, 3, 0, 0, 2, 3, 3, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 82 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 2, 0, 0, 0, 2, 2, 3, 2, 0, 0, 2, 2, 0, 0, 0, 1, 2, 0, 0, 0, 1, 2, 1, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 1, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 1, 2, 0, 0, 2, 2, 1, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 2, 3, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 83 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 0, 0, 0, 2, 2, 3, 2, 0, 0, 0, 2, 0, 0, 0, 1, 2, 0, 0, 0, 1, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 1, 3, 2, 2, 1, 2, 0, 0, 2, 2, 2, 2, 2, 2, 0, 2, 1, 2, 2, 2, 2, 0, 0, 2, 1, 2, 0, 0, 0, 2, 1, 2, 1, 2, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 0, 2, 2, 2, 0, 0, 0, 1, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 84 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 3, 3, 3, 2, 0, 0, 0, 3, 0, 2, 0, 0, 0, 0, 0, 0, 3, 2, 0, 0, 2, 0, 0, 0, 3, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 1, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 3, 3, 3, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 3, 2, 0, 0, 0, 3, 3, 3, 0, 0, 3, 3, 0, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 85 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 2, 3, 3, 3, 2, 3, 2, 0, 0, 0, 3, 3, 3, 2, 2, 0, 0, 2, 0, 0, 0, 2, 2, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 2, 2, 2, 0, 0, 2, 0, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 3, 0, 2, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 86 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 2, 3, 3, 3, 2, 3, 2, 0, 0, 0, 3, 3, 3, 2, 2, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 0, 2, 0, 0, 2, 0, 0, 2, 2, 2, 0, 0, 0, 2, 3, 2, 2, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 3, 0, 2, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 87 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 2, 0, 0, 2, 0, 0, 0, 3, 3, 3, 2, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 1, 1, 2, 0, 0, 0, 0, 0, 0, 1, 2, 3, 1, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 2, 0, 0, 2, 0, 0, 1, 1, 1, 0, 0, 0, 2, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 3, 0, 2, 2, 1, 2, 2, 0, 0, 0, 1, 2, 0, 0, 0, 2, 1, 1, 2, 2, 0, 0, 0, 0, 2, 3, 3, 3, 0, 0, 0, 2, 2, 0, 3, 3, 3, 2, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 88 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 1, 1, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 1, 2, 1, 2, 2, 0, 0, 0, 1, 2, 2, 1, 1, 2, 0, 0, 2, 0, 0, 2, 0, 0, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 0, 0, 0, 2, 1, 2, 1, 2, 1, 1, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 89 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 2, 0, 0, 0, 3, 3, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 1, 1, 1, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 1, 2, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 0, 0, 0, 2, 2, 0, 0, 2, 2, 1, 0, 0, 0, 2, 0, 0, 0, 2, 1, 1, 2, 0, 0, 0, 2, 1, 1, 2, 1, 1, 1, 2, 0, 0, 0, 0, 0, 0, 2, 1, 1, 2, 1, 0, 0, 2, 0, 0, 0, 0, 0, 3, 3, 0, 0, 0, 2, 2, 3, 3, 2, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 90 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 3, 0, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 3, 2, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 0, 2, 1, 1, 1, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 3, 3, 0, 0, 0, 2, 0, 0, 0, 3, 3, 3, 2, 3, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 91 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 3, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 3, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 2, 2, 2, 0, 0, 0, 2, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 3, 0, 0, 0, 3, 2, 0, 0, 0, 3, 3, 3, 2, 3, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
 92 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 0, 3, 3, 2, 3, 2, 0, 0, 0, 0, 3, 2, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 3, 2, 2, 0, 0, 0, 2, 2, 2, 2, 0, 0, 2, 2, 2, 0, 0, 0, 2, 1, 1, 2, 1, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 3, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 93 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 1, 1, 2, 0, 0, 0, 1, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 2, 1, 1, 2, 0, 0, 0, 1, 2, 2, 2, 0, 0, 1, 2, 2, 0, 0, 0, 2, 2, 1, 1, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
 94 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 0, 1, 2, 2, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 2, 2, 2, 2, 0, 0, 0, 2, 2, 1, 1, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 0, 0, 2, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
 95 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 0, 0, 2, 3, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 1, 2, 0, 0, 0, 1, 1, 2, 1, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 2, 2, 2, 0, 0, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 1, 2, 0, 0, 0, 2, 1, 3, 1, 3, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 96 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 2, 3, 2, 0, 0, 0, 2, 2, 3, 2, 3, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 0, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 1, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 3, 0, 2, 0, 0, 0, 0, 0, 0, 3, 3, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
 97 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 0, 2, 0, 0, 0, 3, 2, 2, 2, 0, 3, 3, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 1, 2, 0, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 2, 3, 2, 0, 0, 0, 0, 3, 3, 2, 2, 2, 2, 2, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
 98 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 0, 3, 2, 0, 0, 0, 3, 3, 3, 0, 3, 0, 0, 2, 0, 0, 0, 3, 2, 0, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 1, 2, 2, 0, 2, 2, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 2, 3, 0, 2, 0, 0, 0, 0, 0, 0, 3, 0, 3, 3, 0, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
 99 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 2, 0, 0, 0, 2, 1, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 2, 1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 2, 3, 0, 0, 0, 2, 0, 0, 0, 2, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
100 | 3, 1, 1, 1, 1, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 1, 2, 2, 2, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 3, 3, 0, 0, 0, 2, 0, 0, 0, 0, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
101 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 3, 2, 2, 2, 2, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 3, 3, 3, 3, 0, 0, 0, 2, 0, 0, 0, 0, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
102 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 0, 3, 3, 2, 0, 3, 3, 2, 3, 2, 0, 0, 0, 0, 3, 3, 2, 3, 2, 2, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 2, 0, 0, 0, 3, 2, 2, 2, 0, 3, 3, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
103 | 2, 2, 2, 2, 2, 2, 1, 2, 2, 3, 3, 3, 2, 0, 0, 0, 3, 2, 2, 0, 0, 0, 0, 0, 0, 3, 0, 3, 3, 2, 0, 0, 0, 3, 2, 0, 0, 0, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 0, 0, 2, 3, 3, 3, 2, 0, 0, 0, 2, 2, 0, 0, 0, 0, 3, 2, 0, 0, 0, 3, 3, 3, 0, 0, 3, 3, 0, 2, 0, 1, 2, 2, 0, 2, 2, 1, 
104 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 2, 3, 3, 3, 2, 3, 2, 0, 0, 0, 3, 3, 3, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 3, 3, 0, 0, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
105 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 1, 3, 1, 1, 3, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 0, 0, 0, 0, 2, 3, 2, 2, 0, 0, 0, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
106 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 2, 0, 0, 0, 3, 3, 3, 3, 3, 2, 0, 0, 2, 2, 3, 3, 3, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 0, 0, 0, 0, 2, 3, 3, 3, 3, 3, 2, 0, 0, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
107 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 2, 3, 1, 1, 2, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
108 | 1, 2, 1, 1, 2, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 0, 3, 2, 0, 0, 0, 0, 0, 0, 2, 3, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 3, 3, 3, 2, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 3, 2, 3, 3, 2, 2, 0, 1, 1, 2, 0, 2, 1, 1, 
109 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 2, 3, 3, 3, 2, 2, 0, 0, 0, 0, 2, 3, 3, 2, 3, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
110 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 0, 0, 0, 3, 2, 0, 0, 0, 2, 0, 0, 0, 3, 0, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 0, 0, 0, 2, 3, 3, 3, 2, 3, 0, 2, 0, 0, 0, 3, 3, 2, 3, 2, 2, 2, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
111 | 1, 1, 0, 0, 1, 1, 1, 2, 2, 3, 3, 3, 2, 3, 3, 3, 3, 0, 0, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 3, 2, 2, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 1, 2, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 2, 2, 0, 2, 3, 3, 3, 3, 3, 3, 2, 0, 1, 1, 1, 0, 1, 1, 1, 
112 | 1, 3, 3, 3, 3, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2, 3, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 2, 0, 1, 3, 3, 1, 3, 3, 1, 
113 | 3, 3, 3, 3, 3, 3, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 3, 3, 3, 3, 3, 3, 3, 
114 | 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 1, 1, 1, 1, 1, 1, 1, 
115 | 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 
116 | 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 0, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 0, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 
117 | 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 2, 2, 1, 2, 2, 0, 2, 1, 1, 1, 2, 2, 1, 0, 2, 0, 0, 1, 1, 2, 2, 2, 1, 1, 0, 0, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 0, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 0, 0, 1, 2, 2, 2, 1, 1, 1, 0, 0, 1, 2, 1, 1, 0, 2, 0, 0, 1, 1, 2, 2, 2, 1, 1, 0, 0, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 0, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 0, 0, 1, 2, 2, 2, 1, 1, 1, 0, 0, 1, 1, 1, 2, 2, 1, 2, 2, 0, 2, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 
118 | 0, 0, 0, 1, 1, 0, 1, 1, 1, 2, 1, 1, 2, 1, 0, 2, 1, 2, 1, 1, 2, 2, 1, 0, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 0, 2, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 0, 1, 1, 1, 2, 1, 1, 0, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 0, 2, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 0, 1, 1, 1, 1, 2, 1, 1, 2, 1, 0, 2, 1, 2, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 
119 | 0, 1, 1, 0, 1, 0, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 2, 0, 1, 1, 2, 0, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 2, 2, 0, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 2, 0, 1, 1, 1, 2, 1, 2, 1, 2, 0, 0, 1, 2, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 2, 2, 0, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 2, 0, 1, 1, 1, 2, 1, 2, 1, 2, 0, 0, 1, 2, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 2, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 
120 | 0, 1, 0, 0, 0, 0, 1, 1, 2, 2, 1, 0, 0, 1, 0, 2, 1, 0, 2, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 2, 2, 0, 1, 2, 2, 1, 0, 0, 1, 0, 2, 1, 0, 2, 1, 1, 1, 2, 1, 2, 0, 0, 1, 1, 2, 0, 1, 1, 2, 0, 0, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 2, 2, 0, 1, 2, 2, 1, 0, 0, 1, 0, 2, 1, 0, 2, 1, 1, 1, 2, 1, 2, 0, 0, 1, 1, 2, 0, 1, 1, 2, 0, 0, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 1, 0, 0, 1, 0, 2, 1, 0, 2, 1, 0, 0, 1, 1, 0, 1, 1, 0, 
121 | 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 1, 2, 0, 2, 1, 0, 1, 2, 0, 0, 2, 0, 1, 0, 2, 0, 0, 0, 1, 2, 2, 0, 0, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 2, 0, 2, 2, 2, 1, 2, 0, 2, 0, 2, 1, 2, 2, 2, 1, 1, 1, 2, 0, 2, 0, 0, 2, 2, 0, 0, 1, 0, 0, 2, 1, 1, 2, 0, 0, 0, 2, 1, 1, 1, 1, 2, 1, 1, 2, 0, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 2, 0, 0, 0, 2, 2, 0, 2, 2, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 2, 0, 2, 1, 0, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 
122 | 0, 0, 1, 0, 0, 0, 1, 1, 2, 1, 1, 0, 2, 1, 0, 2, 1, 0, 1, 0, 2, 1, 1, 2, 0, 2, 0, 2, 0, 2, 0, 2, 2, 2, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 2, 0, 2, 0, 2, 0, 2, 2, 0, 2, 0, 0, 2, 0, 2, 0, 0, 2, 0, 1, 2, 0, 2, 0, 2, 0, 0, 2, 0, 2, 0, 2, 0, 1, 1, 2, 0, 2, 2, 0, 0, 2, 0, 2, 0, 2, 2, 0, 0, 2, 2, 0, 0, 1, 0, 0, 0, 2, 1, 2, 1, 2, 2, 0, 2, 2, 0, 2, 0, 0, 0, 2, 0, 2, 2, 0, 0, 2, 2, 0, 2, 0, 1, 2, 0, 2, 2, 0, 2, 0, 2, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 0, 2, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 
123 | 0, 0, 1, 0, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 2, 0, 1, 1, 0, 2, 0, 2, 0, 2, 0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 2, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 2, 2, 2, 1, 2, 0, 1, 0, 0, 0, 2, 0, 0, 2, 0, 2, 0, 1, 1, 2, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 2, 2, 0, 2, 2, 0, 2, 0, 1, 2, 2, 2, 2, 0, 2, 2, 0, 2, 0, 2, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 0, 2, 0, 2, 0, 0, 0, 2, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 
124 | 0, 0, 1, 0, 1, 0, 1, 1, 2, 1, 1, 2, 0, 2, 2, 1, 1, 2, 0, 1, 2, 2, 2, 2, 2, 0, 2, 0, 2, 2, 0, 2, 2, 0, 2, 0, 2, 0, 2, 0, 2, 2, 0, 0, 2, 2, 0, 2, 0, 2, 0, 2, 2, 0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 1, 2, 0, 2, 2, 0, 1, 2, 0, 2, 2, 0, 2, 0, 1, 1, 2, 0, 2, 0, 2, 0, 2, 0, 2, 2, 2, 0, 2, 0, 2, 0, 2, 0, 2, 2, 0, 2, 0, 2, 1, 1, 2, 2, 0, 0, 2, 0, 2, 0, 2, 2, 0, 2, 2, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 2, 2, 0, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 0, 2, 2, 1, 1, 2, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 
125 | 0, 0, 1, 0, 1, 0, 1, 1, 2, 2, 1, 1, 1, 0, 2, 0, 1, 1, 2, 1, 2, 2, 1, 1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 0, 2, 2, 1, 2, 0, 2, 2, 2, 2, 2, 1, 2, 2, 2, 0, 2, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 0, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 2, 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 0, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 0, 2, 0, 1, 1, 2, 1, 0, 0, 0, 0, 1, 0, 0, 0, 
126 | 0, 0, 1, 0, 1, 0, 1, 1, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 0, 0, 1, 2, 0, 0, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 0, 0, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 1, 0, 1, 2, 1, 1, 1, 1, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 
127 | 0, 0, 0, 1, 0, 0, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 2, 1, 2, 0, 1, 1, 1, 1, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 2, 0, 1, 1, 1, 1, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 
128 | 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 2, 2, 1, 1, 2, 0, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 0, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 0, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 2, 0, 2, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 
129 | 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0
130 | };
131 | 
132 | void setup() {
133 |   pinMode(2, OUTPUT);
134 |   pinMode(3, OUTPUT);
135 |   pinMode(4, OUTPUT);
136 |   pinMode(5, OUTPUT);
137 |   pinMode(6, OUTPUT);
138 |   pinMode(7, OUTPUT);
139 |   pinMode(8, OUTPUT);
140 |   pinMode(9, OUTPUT);
141 | 
142 |   pinMode(A0, OUTPUT); // Lower address clock.
143 |   pinMode(A1, OUTPUT); // Upper address clock.
144 |   pinMode(A2, OUTPUT); // Data clock.
145 |   pinMode(A3, OUTPUT); // WE
146 |   pinMode(A4, OUTPUT); // Mode clock (program = data0 high; monitor output = data1 low)
147 | 
148 |   digitalWrite(A0, 1);
149 |   digitalWrite(A1, 1);
150 |   digitalWrite(A2, 1);
151 |   digitalWrite(A3, 1);
152 |   digitalWrite(A4, 1);
153 | 
154 |   Serial.begin(9600);
155 | }
156 | 
157 | int i = 0;
158 | int val = 0;
159 | 
160 | void loop() {
161 |   // Program mode.
162 |   digitalWrite(2, 1);
163 |   digitalWrite(A4, 0);
164 |   delayMicroseconds(2);
165 |   digitalWrite(A4, 1);
166 |   
167 | 
168 |   
169 |   for (int c=0; c<120; c++) {
170 |     for (int r=0; r<160; r++) {
171 | 
172 |       i = r + ((c+1)*160);
173 | 
174 |       // Lower address.
175 |       digitalWrite(2, bitRead(i,0));
176 |       digitalWrite(3, bitRead(i,1));
177 |       digitalWrite(4, bitRead(i,2));
178 |       digitalWrite(5, bitRead(i,3));
179 |       digitalWrite(6, bitRead(i,4));
180 |       digitalWrite(7, bitRead(i,5));
181 |       digitalWrite(8, bitRead(i,6));
182 |       digitalWrite(9, bitRead(i,7));
183 | 
184 |        digitalWrite(A0, 0);
185 |        delayMicroseconds(3);
186 |        digitalWrite(A0, 1);
187 | 
188 |       // Upper address.
189 |       digitalWrite(2, bitRead(i,8));
190 |       digitalWrite(3, bitRead(i,9));
191 |       digitalWrite(4, bitRead(i,10));
192 |       digitalWrite(5, bitRead(i,11));
193 |       digitalWrite(6, bitRead(i,12));
194 |       digitalWrite(7, bitRead(i,13));
195 |       digitalWrite(8, bitRead(i,14));
196 |       digitalWrite(9, bitRead(i,15));
197 | 
198 |       digitalWrite(A1, 0);
199 |       delayMicroseconds(3);
200 |       digitalWrite(A1, 1);
201 | 
202 |       // Data.
203 |       val = pgm_read_byte_near(screen_data + ((160*c)+r));
204 | 
205 | //      white = 0
206 | //      purple = 1
207 | //      black = 2
208 | //      teal = 3
209 | 
210 |       if (val == 0) {
211 |         digitalWrite(2, 1);
212 |         digitalWrite(3, 1);
213 |         digitalWrite(4, 1);
214 |       } else if (val == 1) {
215 |         digitalWrite(2, 1);
216 |         digitalWrite(3, 0);
217 |         digitalWrite(4, 1);
218 |       } else if (val == 2) {
219 |         digitalWrite(2, 0);
220 |         digitalWrite(3, 0);
221 |         digitalWrite(4, 0);
222 |       } else if (val == 3) {
223 |         digitalWrite(2, 0);
224 |         digitalWrite(3, 1);
225 |         digitalWrite(4, 1);
226 |       }
227 | 
228 |       digitalWrite(A2, 0);
229 |       delayMicroseconds(3);
230 |       digitalWrite(A2, 1);
231 | 
232 |       // WE pulse.
233 |       digitalWrite(A3, 0); // WE
234 |       delay(1);
235 |       digitalWrite(A3, 1); // WE
236 |       delay(1);
237 |     }    
238 |   }
239 | 
240 | 
241 |  Serial.println("Done writing.");
242 | 
243 |   // Display mode.
244 |   digitalWrite(2, 0);
245 |   digitalWrite(A4, 0);
246 |   delayMicroseconds(2);
247 |   digitalWrite(A4, 1);
248 | 
249 |  delay(99999999);
250 |  
251 | }
252 | 


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