Specifications

MICROPROCESSADORES
ARQUITECTURA DOS MICROCOMPUTADORES
2
Luís Miguel Charrua Figueiredo 2 - 18 E.N.I.D.H.
0Dh 0034h-0037h IRQ5: Hard Drive 42h-45h 0108h-0117h Reserved
0Eh 0038h-003Bh IRQ6: Diskette 46h 0118h-011Bh Address of hard drive table 2
0Fh 003Ch-003Fh IRQ7: Printer 47h-49h 011Ch-0127h Can be used by programs
10h 0040h-0043h BIOS: Video Functions 4Ah 0128h-012Bh Alarm time reached (AT only)
11h 0044h-0047h BIOS: Determine Configuration 4Bh-5Bh 012Ch-016Fh Free: can be used by programs
12h 0048h-004Bh BIOS: Determine RAM Memory size 5Ch 0170h-0173h NETBIOS functions
13h 004Ch-004Fh BIOS: Diskette/Hard drive Function
s
5Dh-66h 0174h-019Bh Free: can be used by programs
14h 0050h-0053h BIOS: Access to Serial Port 67h 019Ch—019Fh EMS memory manager functions
15h 0054h-0057h BIOS: Cassete/extended Functions 68h-6Fh 01A0h-01BFh Free: can be used by programs
16h 0058h-005Bh BIOS: Keyboad inquiry 70h 01C0h-01C3h IRQ08: Realtime clock (AT only)
17h 005Ch-005Fh BIOS: Access to Parallel Printer 71h 01C4h-01C7h IRQ09: (AT only)
18h 0060h-0063h Call ROM Basic 72h 01C8h-01CBh IRQ10: (AT only)
19h 0064h-0067h BIOS: Boot System (Ctrl+Alt+Del) 73h 01CCh-01CFh IRQ11: (AT only)
1Ah 0068h-006Bh BIOS: Prompt time/date 74h 01D0h-01D3h IRQ12: (AT only)
1Bh 006Ch-006Fh Break Key (not Ctrl+C) pressed 75h 01D4h-01D7h IRQ13: 80287 NMI (AT only)
1Ch 0070h-0073h Called after each INT 08h 76h 01D8h-01DBh IRQ14: Hard drive (AT only)
1Dh 0074h-0077h Address of Video parameter table 77h 01DCh-01DFh IRQ15: (AT only)
1Eh 0078h-007Bh Address of diskette parameter table 78h-7Fh 01E0h-01FFh Reserved
1Fh 007Ch-007Fh Address of character bit pattern 80h-F0h 0200-03C3h Used within the BASIC interpreter
20h 0080h-0083h DOS: Quit program F1h-FFh 03C4h-03cFh Reserved
21h 0084h-0087h DOS: Call DOS function
Tabela 9 - Mapa de Interrupções.