FastBasic - Fast BASIC interpreter for the Atari 8-bit computers

Mad Pascal Compiler for 6502 (Atari XE/XL, C64, C4Plus, Neo6502)

6502, 65816 assembler (Atari XE/XL)

volksFORTH is a 16bit Forth System maintained by the German Forth Gesellschaft e.V.

GEOS 2.0 ported from C64/128 to 8-bit Atari

This is a small adapter, in the form of a daughter board, which fits into the socket of the "Sally" CPU of the Atari 800XL microcomputer. It replaces that CPU with a CMOS, modern, low-power, fully static, currently in production W65C02S and some auxiliary logic. The project has been featured in three videos in my YouTube channel ("The Byte Attic,"

ATR disk image creation tool

TurboBasic XL Parser Tool

Alternate Reality - The Dungeon - Atari 8-bit

Firmware for ESP8266 to emulated D: and R: for PLATOTerm64 on Atari 8-bit

Atari Inform Interpreter

Atari BASIC 10 Liner Game 2017 - Homage to Tomohiro Nishikado's 1976 Interceptor Coin Op by Taito

A clone of Arkanoid for Atari XL/XE written in CC65

Atari 8-bit Rom Image File Explorer based upon ATR Image Explorer

A horizontal Shoot'em Up Game written for the Atari 8bit computer.

Programs and code snippets for APX Extended Fig-Forth

Intro for the Atari 8-bit computers

Robots Rumble VBXE

"Poznajemy Forth" / "We get to know Forth"

WNF-Compiler for ALGOL equal language. Compiles wnf-files to 6502-assembler code.