das

Decimal Adjust After Subtraction

DAS

Adjusts AL after subtraction for packed BCD.

Details

The Decimal Adjust After Subtraction instruction adjusts AL after subtraction for packed BCD.

Pseudocode Operation

// Adjusts AL after subtraction for packed BCD

Example

DAS

Encoding

Binary Layout
2F
+0
 
Format Legacy
Opcode 2F
Extension Base (Legacy)

Operands