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PCI PC Mapping - I/O
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Address bits
23-0
PC Mapper output
0000H MSTR DMA CH 0
0001H MSTR DMA CH 0
0002H MSTR DMA CH 1
0003H MSTR DMA CH 1
0004H MSTR DMA CH 2
0005H MSTR DMA CH 2
0006H MSTR DMA CH 3
0007H MSTR DMA CH 3
0008H MSTR DMA STAT REG
0009H UNKNOWN IO DEVICE
000AH MSTR DMA MASK REG
000BH MSTR DMA MODE REG
000CH MSTR DMA CLR BYTE PTR
000DH MSTR DMA MSTR CLEAR
000EH MSTR DMA CLEAR MASK
000FH MSTR DMA WRT MASK
0018H MSTR DMA CH EXT FUNCT REG
001AH MSTR DMA EXT FUNCT
0020H MSTR INT REQ REG
0021H MSTR INT REQ REG2
0040H INTERVAL TIMER TIMER 0
0042H INTERVAL TIMER SPKR TIMER
0043H INTRVAL TIMER #1 CNTRL
0044H INTERVL TIMER #2 WATCHDOG
0047H INTERVAL TIMER #2 CNTRL
0060H KEYBOARD/MOUSE DATA PORT
0061H SYSTEM CONTOL PORT B
0064H KEYBOARD/MOUSE CMD PORT
0070H RTC/CMOS RAM ADDR PORT
0071H RTC/CMOS RAM DATA PORT
0074H EXT CMOS RAM ADDR PORT
0075H EXT CMOS RAM ADDR PORT
0076H EXT CMOS RAM DATA PORT
0081H CH 2 DMA PAGE REGISTER
0082H CH 3 DMA PAGE REGISTER
0083H CH 1 DMA PAGE REGISTER
0087H CH 0 DMA PAGE REGISTER
0089H CH 6 DMA PAGE REGISTER
008AH CH 7 DMA PAGE REGISTER
008BH CH 5 DMA PAGE REGISTER
008FH CH 4 DMA PAGE REGISTER
0090H ARB CNTRL POINT REG
0091H FEEDBACK REG
0092H SYSTEM CONTROL PORT A
0094H SYS SETUP/CARD ENABLE REG
0096H ADAPTOR SETUP/ENABLE REG
00A0H SLAVE INTERRUPT CNTRLR
00A1H SLAVE INTERRUPT CNTRLR
00C0H SLAVE DMA CH4 MEM ADDR
00C2H SLAVE DMA CH4 TRANS COUNT
00C4H SLAVE DMA CH5 MEM ADDR
00C6H SLAVE DMA CH5 TRANS COUNT
00C8H SLAVE DMA CH6 MEM ADDR
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