A C64 dungeon crawler written in 99.9% BASIC V2 (with added dwarves).

c1570's fork of "A Raspberry Pi Pico Emulator in JavaScript" featuring limited RP2350/Pico 2 support.

FORK for rp2350(b) support - "Use a raspberry pi pico (rp2040) as a logic analyzer and oscilloscope with sigrok"

C64 Ultimax "Dead Test" cartridge ROM with many improvements

6502 Simulation in Javascript with RDY/IRQ/NMI/RESET UI.

Realtime cycle exact emulation of the C64 using multiple microcontrollers in parallel.

FORK implementing the C1541 drive. - 8-bit chip and system emulators in standalone C headers

A port of the Blitz!/Austro-Speed C64 BASIC V2 compiler to JavaScript.

FORK - The Sorbus Computer is a very simple 65c02 computer for tinkering and learning

Speeding up the C64 BASIC V2 PRINT.

FORK: An open source cross-platform USB stack for embedded system

FORK, please ignore

PS/2 keyboard to USB converter based on the RP2040 microcontroller, for QMK and Vial.

Playing with 5V signals on the RP2040 / RP Pico.

C64 PLA replacement using an RP2040

c1570's libsigrok fork (src/hardware/raspberrypi-pico updates)

A flashy microcomputer/microcontroller parts tester.

(fixes only) Bitbanged DVI on the RP2040 Microcontroller

This tool dumps the current run-time variables of a basic program. It uses a memory dump for this purpose.

Mr. V. S. F. Unfreeze takes your VICE VSF snapshot and creates a C64 cartridge CRT file from it.

A fixed cartridge version of the C64 Paradoxon Basic extension.

SIDKick -- the first complete SID 6581/8580-drop-in-replacement that you can build yourself

Speeding up the C64 BASIC V2 GOTO.