Commodore 128D - Page 375

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APPENDIX F
SCREEN AND
COLOR MEMORY
MAPS
Screen And Color
Memory Maps—
C128 Mode,
40 Column
And C64 Mode
The following maps display the memory locations used in 40-column
mode (C128 and C64) for identifying the characters on the screen as
well as their color. Each map is separately controlled and consists of
1,000 positions.
The character displayed on the maps can be controlled directly with
the POKE command.
VIC CHIP (40 COLUMN) SCREEN MEMORY MAP
COLUMN
20
1024-
1064
1104
1144
1184
1224
1264
1304
1344
1384
1424
1464
1504
1544
1584
1624
1664
1704
1744
1784
1824
1864
1904
1944
1984 I I I I I I I I 1 I I I I I I I I 1 I I I I I I I I I I I 1 1 I I I I I 1 I I I 1 24
2023
The Screen Map is POKEd with a Screen Display Code value (see
Appendix D). For example:
POKE 1024,13
will display the letter M in the upper-left corner of the screen.
1063
359 APPENDIX F—Screen and Color Memory Maps