
Odyssey
jotego/jtcores
FPGA cores compatible with multiple arcade game machines and KiCAD schematics of arcade games. Working on MiSTer FPGA/Analogue Pocket
Boards in 79 GitHub repositories, designed in KiCad, that use the 74LS30PC by Texas Instruments (0℃~+70℃ 1 1.1mA 18ns@5V,50pF、20ns@5V,50pF 2.7V 2V 4.75V~5.25V 400uA 500mV 74LS Series 8 800mV 8mA NAND Gate PDIP-14 Logic Gates). See how each wires it, with its parts, size, README and files; the 74LS30PC’s symbol, footprint and pinout are on its own page.

jotego/jtcores
FPGA cores compatible with multiple arcade game machines and KiCAD schematics of arcade games. Working on MiSTer FPGA/Analogue Pocket



SukkoPera/OpenC64KernalCart
Open Hardware Multi-KERNAL Cartridge for the Commodore 64


yanataka60/MZ80K_SD
MZ-80KシリーズでSD-CARDからのアプリケーション起動、BASICなどのアプリケーションからSD-CARDへのロード、セーブを実現するものです



djtersteegc/Tandy-Color-Computer-Multi-Pak
Respin of the Tandy 26-3024 Multi-Pak (MPI) for the DIY builder.

ronnyroy111/inboard386
Reverse engineered schematics, PCB and logic equations for the Intel 386/PC accelerator

yanataka60/MZ-2000_SD
MZ-80B、MZ-2000、MZ-2200でSD-CARDからのアプリケーション起動、BASICなどのアプリケーションからSD-CARDへのロード、セーブを実現するものです。

lynchaj/duodyne
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus

laurent-fr/junior_computer_replica
A replica of the Junior Computer (a KIM-1 clone) published by Elektor in the 80's


barberd/coco9511pak
This board is a cartridge for the Tandy Radio Shack TRS-80 Color Computer (CoCo), an 8 bit computer produced between 1980 and 1991. It provides an Arithmetic Processor Unit (APU), the AMD 9511, to the CoCo.

yanataka60/PC-6001mk2_SD
PC-6001mk2の MODE1~MODE4でSD-CARDからロード、セーブ機能を実現するものです。

qbancoffee/cocoplusplus
So now it's time to have fun.... I want to base this board on the CoCo 3 for several reasons.






yanataka60/X1_SD
X1、X1turboでSD-CARDからのアプリケーション起動、BASICなどのアプリケーションからSD-CARDへのロード、セーブを実現するものです

bwack/TheFinalChessCard
TheFinalChessCard for C64/C128, replicated using SprintLayout. Here are the sprint and gerber files.