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APF MP1000 & Imagination Machine
PIA #1

Hex Comments Decimal
$2000 Read:
Controller Row output 		8192
$2001 Write:
76543210
??CSSCSSCSS???
 8193
$2002 Write:
76543210
A/GGM0INT/EXT?? Controller
Row Scan
 8194
$2003 Write:
76543210
????Sound?INT Hi/LOINT Enable
 8195

RED indicates Modified boards ONLY!