There are 1 repository under plus4 topic.
A Z-machine interpreter for the Commodore 64 and similar computers
cc64 is a small-C compiler written in Forth, hosted on the Commodore C64, Plus4 and C16 with 64k, and on the Commander X16. It is targeting the 6502 CPU.
Protect your Commodore 64 from killer power supplies!
Enhnanced Commodore Plus/4 Home Computer
Multiplatform 8-bit Commodore home computer family emulator written in C++ using SDL2.
Hardware design of a (up to) 2MB cartridge for the Commodore 264 line of computers (Commodore 16, 116 and plus/4)
Terminal 6502 Emulator with Commodore 64, 128, Vic-20, PET 2001, and TED: C16, Plus/4
File manager for several Commodore 8-bit computer models.
Open Hardware Joystick Adapter for C-16, C-116 and Plus/4
CBM 1551 paddle replacement / mass storage using an SD card interfacing with the Commodore C16/116/Plus4 simulating a TCBM bus 1551 disk drive
Remake of the ZX Spectrum game for other 8-bit micros
Replacement for 28-pin MOS 6523 TPI for the Commodore 1551 paddle
An irq-loader (not trackloader!) with high compatiblity in mind and hardware detection library for the commodore plus/4.