Interrupt Vector - Sanyo MBC-550 Series User Manual

INTERRUPT VECTOR
Interrupt
type
Division error {Division by zero)
Single step
Non-maskable interrupt
For one-byte INT (INT 3)
Signed overflow
0-3
4 ~ 7
8 — B
C - F
10 ~ 13
14 ~ 17
5 to 31: Reserved for Intel
(SOFT Interrupt vector
FUNCTION)
7C - 7F
80 ~ 83
32 to 63: Reserved for MS-DOS
FC - FF
380 — 384
3E0 - 3E3
3E4 - 3E7
3E8 - 3EB
3EC — 3EF
3F0 - 3F3
3F4 - 3F7
3F8 - 3FB
3FC - 3FF
8253 PIT counter 0
8253 PIT counter 1
8251 USART Ready (option RS-232C)
8251 USART Rx.Ready (Keyboard)
Printer Ready
MB8877 floppy disk controller
8087 digital data processor
User interrupt (optional bus IR7)