AAS
AAS - Ascii Adjust for Subtraction
Corrects result of a previous unpacked decimal subtraction in AL.
High order nibble is zeroed.
Usage:
AAS ;
Modifies flags:
AF CF
Clocks | Size | |||||
---|---|---|---|---|---|---|
Operands | 808x | 286 | 386 | 486 | Bytes | |
none | 8 | 3 | 4 | 3 | 1 |
back2root:ibm-pc-ms-dos:instr:aas
Corrects result of a previous unpacked decimal subtraction in AL.
High order nibble is zeroed.
Usage:
AAS ;
Modifies flags:
AF CF
Clocks | Size | |||||
---|---|---|---|---|---|---|
Operands | 808x | 286 | 386 | 486 | Bytes | |
none | 8 | 3 | 4 | 3 | 1 |