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DAS

DAS - Decimal Adjust for Subtraction

Corrects result (in AL) of a previous BCD subtraction operation.

Contents of AL are changed to a pair of packed decimal digits.

Usage:

	DAS		;

Modifies flags:

AF CF PF SF ZF (OF undefined)

	Clocks				Size
Operands	808x	286	386	486	Bytes
none	4	3	4	2	1