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back2root:ibm-pc-ms-dos:instr:int

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INT

INT - Interrupt

Initiates a software interrupt by pushing the flags, clearing the Trap and Interrupt Flags, pushing CS followed by IP and loading CS:IP with the value found in the interrupt vector table.

Execution then begins at the location addressed by the new CS:IP

Usage:

	INT	num	;

Modifies flags:

TF IF

Clocks Size
Operands 808x 286 386 486 Bytes
immed8 10/14 3 4 4 1

immed8 51/71 23+m 37 30 1 immed8 (prot. mode, same priv.) - 40+m 59 44 1 immed8 (prot. mode, more priv.) - 78+m 99 71 1 immed8 (from VM86 to PL 0) - - 119 86 1 immed8 (prot. mode, via task gate) - 167+m TS 37+TS 1

back2root/ibm-pc-ms-dos/instr/int.1677361415.txt.gz · Dernière modification : 2023/02/25 22:43 de frater