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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 | 51/71 | 23+m | 37 | 30 | 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