Troy Schrapel

pico9918. A replacement for the classic TMS9918A/TMS9929A VDP, powered by a Raspberry Pi Pico

hbc-56. Homebrew 65C02 computer on a backplane

pico-56. The HBC-56 (65C02/TMS9918A/AY-3-8910 retro computer) fully emulated on a Raspberry Pi Pico

vrcpu. Code, documentation, schematics, notes for my Ben Eater inspired breadboard computer and emulator

vrEmuLcd. Character LCD emulator library (C99 engine, web front-end).

vrEmuTms9918. TMS9918A emulator library (C99)

vrEmu6502. 6502/65C02 emulator library (C99)

keyboard4a99. Cherry MX compatible upgrade for your Texas Instruments TI-99/4A Mitsumi mylar keyboard

acme. ACME 6502/65C02 Assembler

vrEmu6522. 6522 / 65C22 VIA emulation library

retroplex. A Supaplex clone for retro computers sporting a PICO9918

emu2149. A YM2149 (aka PSG) emulator written in C.

no-OS-FatFS-SD-SDIO-SPI-RPi-Pico. A FAT filesystem with SDIO and SPI drivers for SD card on Raspberry Pi Pico

cx16-supaplex. Supaplex for the Commander x16

thumb9900. Thumb ARM assembly TMS9900 emulation library

retropipe. Pipe Dreams clone for retro computers

cx16-common-asm. Common code for Commander X16 development

supaplex-tools. Tools to work with the original Supaplex game code

CVBasic. BASIC language compiler for Colecovision, MSX, SG1000, Spectravideo SVI-318/328, Creativision, Sord M5, Memotech MTX, Tatung Einstein, Casio PV-2000, and Hanimex/Soundic Pencil II.

cx16-snake. Snake! for the Commander X16

cvbiosid. Identify ColecoVision/ADAM BIOS

imgui. Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

finalgrom99. A cartridge for the TI 99/4A that runs ROM and GROM images from an SD card

gasm80. Gasm80: Generic assembler for Z80/6502

SDL. Simple Directmedia Layer