Mike's repositories
pc98-disk-tools
Open-source tools for working with common PC98 disk image formats
floppy-edge-connector-adapter
Adapt a floppy cable meant to use an edge connector to use a 34-pin female pin connector instead.
pc8801mkII-vga
PCB for getting VGA from a PC8801mkII
pc9821-floppy-adapter
Adapter to replace PC98 26-pin NEC 1138T with 34-pin Gotek floppy emulator
n88-basic-reference
Webpage for NEC N88 BASIC reference in English
busmouse98-byou
A modified PS/2 or USB to PC-98 quadrature mouse converter
quasi88-port
Quick & dirty SDL2 port of QUASI88 to my Mac
sms-u-simple-cartridge
A simple cartridge PCB for making Sega Master System (US) games that don't use a mapper
tc531000-tl866-adapter
Adapt a Toshiba TC531000 mask ROM to a 27c010 pinout so it can be dumped in a TL866
pico-rgbi-to-vga
Conversion of digital RGB + I video output (e.g. PC-6001) to VGA, using a Raspberry Pi Pico
apple-ii-softcard
Z80 SoftCard clone for Apple II
cheapo-tumblr-backup
Python script that does a super cheapo backup of a text-heavy tumblr
famicom-composite-board
Developing an open-source composite mod board for the Famicom
little-drip
The portable programmer's calculator that is very large, impractical, and doesn't offer many features
mr-pc-keyboard-adapter
Hardware/software combo to adapt a PS/2 keyboard to an NEC PC-6601SR ("Mr. PC")
fujinet-hardware
Schematics and design files for FujiNet hardware
holiday-compiler
Generates holiday CSV files from natural language like you find on government bank holiday websites
MZF2WAVGUI
Uses MZF2WAV to convert mzf files for Sharp MZ computers to wav file and allows you to play them. A bit like a tape emulator to use with MZs.
pc6001-assembly-programming
Programming an NEC PC-6001 in Z80 machine language
pc8033-clone-interface
Clone of the NEC PC-8033 floppy drive interface for the original PC-8001
sedoc
cjs's documentation and notes related to systems engineering
sigrok-pico
Use a raspberry pi pico (rp2040) as a logic analyzer and oscilloscope with sigrok
sms-label-generator
Some throwaway code to generate cartridge labels for the Sega Master System US cartridges