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Stefan Arentz 4ad5d458f9 Fix HGR color fringing artifacts (#187) 
Replace the 2-bit pairing approach with per-pixel rendering to eliminate
color artifacts at edges. The new implementation processes each pixel
individually, uses each byte's own high bit for palette selection, and
properly detects adjacent pixels for white rendering.

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-11 12:56:34 -05:00
disks
Include some basic test disks
2016-11-29 21:52:29 -05:00
screenshots
Update README.md
2016-11-26 08:50:38 -05:00
scripts
Script for Burger Time cheat
2017-09-20 18:06:30 -04:00
src
Fix HGR color fringing artifacts (#187)
2026-01-11 12:56:34 -05:00
tests
Adding some random tests
2016-12-26 11:10:26 -05:00
.gitignore
Fixes #171 - Support software rendering in tty (#172)
2017-10-02 20:20:53 -04:00
.travis.yml
Introduce Lua 5.2 support (#148)
2017-09-18 21:21:57 -04:00
README.md
Add small doc improvements for first time users (#182)
2018-01-25 16:38:53 -05:00

README.md

Emulated Woz Machine

Build Status

Introduction

Two years ago between christmas and new year I wrote a tiny and incomplete 6502 emulator and turned it into an original Apple 1 emulator. It was a fun and nostalgic project to work on. I grew up with the Apple II and never had a change to see an Apple 1 in action.

A few weeks ago I decided to pick this project up again. I am extremely motivated to turn this into a high quality emulator that supports the Apple 1, Replica 1, Apple ][+ and Apple IIe. Some of that work is really close to being finished, other work will take many months of spare time hacking.

Goals & Status

Here are some of the things I want to accomplish for each emulated machine:

CPU Emulator

  • 6502 support
  • 65C02 support
  • Tracing facility
  • Debugger
  • Speed throttling

Apple 1

8K / 6502 / Classic ROM

  • Terminal based emulation
  • Classic display emulation (SDL based)
  • Cassette interface

Replica 1

32K / 65C02 / KRUSADER ROM

  • Terminal based emulation
  • Classic display emulation (SDL based)
  • Cassette interface
  • CFFA1 Support

Apple ][+

48K / 6502

  • Basic Apple ][+ architecture implementation - In progress
  • Disk II emulation - In progress
  • Display Emulation - 40 Column mode
  • Display Emulation - Low resolution graphics
  • Apple Language Card
  • Joystick Support
  • Audio Support
  • Display Emulation - High resolution graphics - Mostly works.

Building the emulator

cd src
make

Running the emulator

From the command line:

./src/ewm two --color --drive1 disks/DOS33-SamplePrograms.dsk
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Description
Emulated Woz Machine - Apple ][+ Emulator
apple2emulatormos6502
Readme 736 KiB
Languages
C 95%
Lua 1.8%
Makefile 1.5%
Assembly 1.4%
CMake 0.3%