ICP Electronics JUKI-511P, Manual

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;;ADD YOUR APPLICATION HERE
W_LOOP:
MOV DX, TIMER_STOP
IN AL, DX
MOV DX, TIMER_START
IN AL, DX. ;;RESTART COUNTER
;;ADD YOUR APPLICATION HERE
CMP EXIT_AP, 0
JNE W_LOOP
MOV DX, TIMER_STOP
IN AL, DX
;;EXIT AP
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Appendix B. I/O Address Map
B.1 System I/O Address Map
I/O Address Map Description
000-01F DMA Controller #1
020-021 Interrupt Controller # 1, Master
022-023 Chipset address
040-05F System Timer
060-06F Standard 101/102 keyboard Controller
070-07F Real time Clock, NMI Controller
080-0BF DMA Page Register
0A0-0BF Interrupt Controller # 2
0C0-0DF DMA Controller # 2
0F0-0FF Math Coprocessor
170-1FF VIR BUS Master PCI IDE Controller
220-22F Audio 16bit sound
2E8-2EF Serial Port 4
2F8-2FF Serial Port 2
378-37F Parallel Printer Port 1
3B0-3DF Cyrix Graphic Adapter
3E8-3EF Serial Port 3
3F0-3F7 Floppy Disk Controller
3F8-3FF Serial Port 1
443 Watch dog timer enable
043/843 Watch dog timer disable
PNP audio I/O map range from 220~250H (16 bytes)
MPU-401 select from 300~330H (2 bytes)
B.2 DMA channel assignments
Channel Function
0
Available
1
Audio*
2
Floppy disk (8-bit transfer)
3
Parallel**
4
Cascade for DMA controller 1
5
Audio*
6
Available
7
Available