Tangerine Microtan 65
Memory Map

 


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Memory Map
System variables
Display Format
Character Sets
Monitor Subroutines
Monitor Commands

0000-003f System variables
0040-00ff Unused (except by BASIC)
0100-01ff Processor Stack
0200-03ff Display
0400-AFFF RAM
BC00-BC01 1st AY8912 sound chip
BC02-BC03 2nd AY8912 sound chip
BC04 Space Invasion sound
BFC0-BFCF 1st 6522 VIA
BFD0-BFD3 Serial I/O (not implemented in emulator)
BFE0-BFEF 2nd 6522 VIA
BFF0 Read: Chunky graphics on
Write: Reset keyboard interrupt flag
BFF1 Write: Start delayed NMI
BFF2 Write: Write hex. keypad column
BFF3 Read: Read ASCII keyboard last key/hex. keypad row
Write: Chunky graphics off
C000-E7FF BASIC interpreter ROM
F000-F7FF XBUG ROM
F800-FFFF TANBUG ROM
 

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Copyright (C) 1999-2002 by Geoff Macdonald

Last updated 03/09/2002