Archive for the 'C64' Category

Vice 3.2 Mac OS X

I’ve compiled vice which is now compatible with 10.9+. The official build is only compatible to 10.12. In order to compile it on my system (10.11) I did:

  • Install Xcode and command line utilities
  • Download a 10.9 SDK: Old SDKs
  • Patch the build file: remove the “clang workarounds for now” (line 198-201) of file “”
  • Start the build tool: DEV_BASES=/Library/Developer/CommandLineTools/ ./build/macosx/ x86_64 10.9 clang cocoa dmg

Vice-macosx-cocoa-x86 64-10.9-clang-3.0 (29.1 MiB, 4. January 2017)

Update: compiled Vice 3.1

Vice-macosx-cocoa-x86 64-10.9-clang-3.1 (77.3 MiB, 1. September 2017)

Vice-macosx-sdl-x86 64-10.9-clang-3.1 (79.7 MiB, 2. September 2017)

Update: compiled Vice 3.2

Vice-macosx-sdl-x86 64-10.9-clang (79.0 MiB, 11. July 2018)

Vice-macosx-cocoa-x86 64-10.9-clang (79.9 MiB, 11. July 2018)


I’ve just published my 6502 code reorganizer which results in a better compression:

C64: 512k RAM/Module Expansion

Last weekend I’ve finished my first CPLD experiment, which (of course) was an project for the C64. This small extension is a GeoRAM compatible RAM extension or a EasyFlash like extension. It’s possible to switch between them via software. In other words you can use it as pure ram or load cartridges in the ram and play (instead of burning eprom modules).

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New Multiprommer Firmware


  • The files loaded/saved don’t have an load address anymore!
  • Simple file browser (cmd compatible)
  • Keys reassigned (now matches the function)
  • Layout optimized
  • Help screen added
  • Removed the “Modulgenerator”
  • SMON or Multimonitor – your choice

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C64 Reset using the Restore key

With this small device you can reset your C64 by holding the Restore key down by 2 seconds.

All you need is an ATtiny and a little more, the price should be less than 2 EURO in total.

Code/Docs: C64 Reset by Restore

Updated 2017-09-09: Hold the restore key longer to perform a second reset.

C64 Converter

We are working on a new and much better converter. Until that is ready to use, you can still user the old one.

Convert an PNG/GIF/JPEG to C64 FLI/KOALA (image must be 160×200 or 320×200)
Just select an image, press “Convert” and look/download the converted pictures.

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