File specifications / GFX4




GraFiX for Commodore Plus /4

Where Size Name Description
0 1 byte Type
  • 0="Black&White"
  • 1="Multicolor"
  • 2="HiRes"
1 1 byte Column of the selected part of the picture 0..39 (255, if no selected any part)
2 1 byte Row of the selected part of the picture 0..24 (255, if no selected any part)
3 X byte Picture Data
  1. Black&White: 25x40x8
  2. Multicolor and HiRes:
    • 26x40=1040 bytes for luminances and 1024(low)=$FF15, 1024(high)=$FF16), 1025=$FF15
    • 26x40=1040 bytes for colours and 1024(high)=$FF15, 1024(low)=$FF16, 1025=$FF16
    • 25x40x8=8000 bytes for graphics data