Commodore 64

Projects

C64 Diagnostics

types (http://blog.worldofjani.com/?p=164)

  • C64 Dead Test (Rev 781220)

Use the C64 Dead Test if you got a blank(black) screen, it will flash the border according to which RAM circuit is broken

  • C64 Diagnostic Kit 326070-1 (Rev 586220/588220)

pages

Emulators

The C64 grey dot

On machines with a 856x plugged in (C64 II, the white ones), the first pixel of a cycle is displayed in gray when a write access occurs to the currently used color register (0xD020 … 0xD02E).

Hardware

Troubleshooting