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Copyright 1991 David Jurgens |
DAS - Decimal Adjust for Subtraction
Usage: DAS
Modifies flags: AF CF PF SF ZF (OF undefined)
Corrects result (in AL) of a previous BCD subtraction operation.
Contents of AL are changed to a pair of packed decimal digits.
Clocks Size
Operands 808x 286 386 486 Bytes
none 4 3 4 2 1
- see Instruction Timing
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das |
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