├── LICENSE
├── README.md
├── demo.py
└── terminal.py


/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2020 4dc5
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | Make a configurable display environment for the Casio fx-CG50.
 2 | 
 3 | To use, do this in your file:
 4 | 
 5 | from terminal.py import *
 6 | 
 7 | term=Terminal()
 8 | 
 9 | term.xprint("String to display")
10 | 
11 | For different colors, try for example:
12 | 
13 | term=Terminal(bg=(0,255,255),fg=(255,0,0))
14 | 
15 | Note that this package relies on the casioplot package which was added to version 3.40 of the OS. If you're on an older version, you'll need to update: https://edu.casio.com/download/index.php
16 | 
17 | -- 
18 | 4dc5.com
19 | 


--------------------------------------------------------------------------------
/demo.py:
--------------------------------------------------------------------------------
 1 | from terminal import *
 2 | 
 3 | term=Terminal()
 4 | 
 5 | term.xprint("Short lines are OK.")
 6 | term.xprint("But long lines are OK too because they will be wrapped.")
 7 | term.xprint("It does not have to be text.")
 8 | term.xprint(42)
 9 | term.xprint("That is a number and it is OK.")
10 | 
11 | term.xprint("We handle scrolling too.")
12 | for i in range(0,10):
13 |   term.xprint(i)
14 | 
15 | term=Terminal(bg=(0,255,255),fg=(255,0,0))
16 | 
17 | term.xprint("But we can choose other colors too!")
18 | 


--------------------------------------------------------------------------------
/terminal.py:
--------------------------------------------------------------------------------
 1 | from casioplot import *  
 2 | 
 3 | # Make a configurable display environment for the Casio fx-CG50.
 4 | #
 5 | # To use, do this in your file:
 6 | # from terminal.py import *
 7 | # term=Terminal()
 8 | # term.xprint("String to display")
 9 | #
10 | # For different colors, try for example:
11 | # term=Terminal(bg=(0,255,255),fg=(255,0,0))
12 | 
13 | class Terminal:
14 | 
15 |   # Default to black background and green foreground. Set bg and/or fg to change this.
16 |   def __init__(self,bg=(0,0,0),fg=(0,255,0)):
17 |     self.scr=[] # The screen buffer
18 |     self.bg=bg
19 |     self.fg=fg
20 |     self.rows=11 # Text rows
21 |     self.cols=34 # Text columns
22 |     self.clear()
23 | 
24 |   # Clear the screen.
25 |   def clear(self):
26 |     # We print the letter 'T' all over the screen. Do it as little as possible, for speed.
27 |     for y in range(0,189,3):
28 |       for x in range(0,3):
29 |         draw_string(x,y,"T"*32,self.bg)    
30 |     # We missed some pixels at the bottom of the screen, so fill them in now.
31 |     for x in range(0,3):
32 |       draw_string(x,189,"T"*32,self.bg)
33 | 
34 |   # Refresh the screen with whatever we have in the buffer.
35 |   def refresh(self):
36 |     self.clear()
37 |     # We only want the number of rows we can fit on the screen, so truncate the buffer.
38 |     self.scr=self.scr[-self.rows:]
39 |     # Write the buffer rows to the screen.
40 |     y=0
41 |     for r in self.scr:
42 |       draw_string(5,8+y*16,r,self.fg)
43 |       y+=1
44 |     show_screen()
45 | 
46 |   # Print a string on the screen.
47 |   def xprint(self,s):
48 |     s=str(s)
49 |     self.scr.extend(self._lines(s))
50 |     self.refresh()
51 | 
52 |   # Split a string into a number of lines that will fit within the screen width.
53 |   def _lines(self,s):
54 |     r=[]
55 |     while len(s)>self.cols:
56 |       r.append(s[:self.cols])
57 |       s=s[-(len(s)-self.cols):]  
58 |     if len(s)>0:
59 |       r.append(s)
60 |     return r    
61 | 
62 | 


--------------------------------------------------------------------------------