├── .gitignore ├── ISAVideo.pretty ├── graphics_gremlin.kicad_mod └── gremlin.kicad_mod ├── RAM.sch ├── README.md ├── SW ├── CGAVIDEO.COM ├── TDYKBD.COM └── TDYVIDEO.COM ├── bus_interface.sch ├── fab └── isavideo_rev2.zip ├── fp-info-cache ├── fp-lib-table ├── images └── gremlin.jpg ├── isabracket.stl ├── isavideo-cache.lib ├── isavideo.csv ├── isavideo.kicad_pcb ├── isavideo.pdf ├── isavideo.pro ├── isavideo.sch ├── power.sch ├── verilog ├── Makefile ├── README.md ├── UM6845R.v ├── cga.hex ├── cga.v ├── cga_attrib.v ├── cga_composite.v ├── cga_pixel.v ├── cga_scandoubler.v ├── cga_sequencer.v ├── cga_top.v ├── cga_vgaport.v ├── cga_vram.v ├── gremlin.pcf ├── is61_tester.v ├── is61c5128_t.v ├── isavideo.binm ├── isavideo_t.v ├── jtopl │ ├── LICENSE │ ├── README.md │ ├── doc │ │ ├── Makefile │ │ ├── Y8950 app notes.pdf │ │ ├── Y8950 datasheet.pdf │ │ ├── YM2413.pdf │ │ ├── YM3812 datasheet.pdf │ │ ├── Yamaha YM3812 Application Manual.pdf │ │ ├── lfo_count.cc │ │ ├── notes.ods │ │ ├── opl3.c │ │ ├── opl3.h │ │ ├── opll.c │ │ ├── opll.h │ │ ├── opll_patches.c │ │ └── ym2413 app notes.pdf │ ├── hdl │ │ ├── common.yaml │ │ ├── jt2413.v │ │ ├── jt2413.yaml │ │ ├── jt26.qip │ │ ├── jt26.yaml │ │ ├── jtopl.v │ │ ├── jtopl.yaml │ │ ├── jtopl2.qip │ │ ├── jtopl2.v │ │ ├── jtopl2.yaml │ │ ├── jtopl_acc.v │ │ ├── jtopl_csr.v │ │ ├── jtopl_div.v │ │ ├── jtopl_eg.v │ │ ├── jtopl_eg_cnt.v │ │ ├── jtopl_eg_comb.v │ │ ├── jtopl_eg_ctrl.v │ │ ├── jtopl_eg_final.v │ │ ├── jtopl_eg_pure.v │ │ ├── jtopl_eg_step.v │ │ ├── jtopl_exprom.v │ │ ├── jtopl_lfo.v │ │ ├── jtopl_logsin.v │ │ ├── jtopl_mmr.v │ │ ├── jtopl_noise.v │ │ ├── jtopl_op.v │ │ ├── jtopl_pg.v │ │ ├── jtopl_pg_comb.v │ │ ├── jtopl_pg_inc.v │ │ ├── jtopl_pg_rhy.v │ │ ├── jtopl_pg_sum.v │ │ ├── jtopl_pm.v │ │ ├── jtopl_reg.v │ │ ├── jtopl_reg_ch.v │ │ ├── jtopl_sh.v │ │ ├── jtopl_sh_rst.v │ │ ├── jtopl_single_acc.v │ │ ├── jtopl_slot_cnt.v │ │ ├── jtopl_timers.v │ │ ├── jtopll.yaml │ │ ├── jtopll_mmr.v │ │ └── jtopll_reg.v │ └── ver │ │ ├── jtopl_eg │ │ ├── sweep.cpp │ │ ├── sweep.sh │ │ └── sweep.v │ │ ├── jtopl_eg_comb_tb │ │ ├── README │ │ ├── sim.sh │ │ ├── test.cpp │ │ ├── test.v │ │ └── tests │ │ │ └── attack.tst │ │ └── verilator │ │ ├── VGMParser.cpp │ │ ├── VGMParser.hpp │ │ ├── WaveWritter.cpp │ │ ├── WaveWritter.hpp │ │ ├── feature.hpp │ │ ├── mmr.lut │ │ ├── sim.sh │ │ ├── test.cpp │ │ └── tests │ │ ├── am.jtt │ │ ├── fb.jtt │ │ ├── fnum.jtt │ │ ├── keycode.jtt │ │ ├── ksl1.jtt │ │ ├── ksl2.jtt │ │ ├── ksl3.jtt │ │ ├── mod.jtt │ │ ├── noteG.jtt │ │ ├── perc.jtt │ │ ├── rates.jtt │ │ ├── slots.jtt │ │ ├── slots_mod.jtt │ │ ├── timers.jtt │ │ ├── tl.jtt │ │ ├── tone.jtt │ │ ├── tone_w1.jtt │ │ ├── tone_w2.jtt │ │ ├── tone_w3.jtt │ │ └── vib.jtt ├── mda.hex ├── mda.v ├── mda70_top.v ├── mda_attrib.v ├── mda_pixel.v ├── mda_sequencer.v ├── mda_top.v ├── mda_vgaport.v ├── mda_vram.v ├── saa1099.v ├── sound.v └── sound_top.v └── vga_dac.sch /.gitignore: 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