MAME Vector Draw Update

Open source realtime laser graphics framework

A bootable 1 MB solid state disk for Apple ][ computers

memo

Xevious for PC-8001

making Unix V6 more usable

DCJ11 Hack+ related boards and code

markdown editor with live preview

ARDUINO+SD-CARDをTK-80BSに接続することでNEC TK-80BS LEVEL2 BASICでSD-CARDとロード、セーブを実現するものです。

Tools for accessing a floppy drive at the raw flux level

OpenType font that disassembles Z80 instructions

B compiler

PDP11GUI is an integrated development environment (IDE) for PDP-11’s, running under MS Windows.

Free Tektronix 4010, 4013, 4014 and 4015 terminal emulator for Raspberry Pi and Ubuntu

Code download to vintage PDP-11's over serial console monitor.

An open source PSRAM/HyperRAM controller for Sipeed Tang Nano 9K / Gowin GW1NR-LV9QN88PC6/15 FPGA

An FPGA-based SD-card reader to read files from FAT16 or FAT32 formatted SD-cards. 基于FPGA的SD卡读取器，可以从FAT16或FAT32格式的SD卡中读取文件。

Restoration of 1st Edition UNIX kernel sources from Bell Laboratories

Cycle-Accurate MC6809/E implementation, Verilog

A NES Emulator written in Emacs Lisp

Game 80 compiler, which I've created when I was 18 ('79)

Generate animated vector graphics for old-school 90's demos, like ST_NICCC

Hardware Design files of a replacement mainboard for the Sony Watchman FD-10. This turns it into a bluetooth and WiFi-enabled vector display.

A compact USB HID host FPGA core supporting keyboards, mice and gamepads.

Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards

TangNano-20K-example