Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.
Binary Coded Decimal Instructions
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     Select an instruction for more information.
 
     Instruction     Description
 
     AAA             ASCII adjust after addition
     AAS             ASCII adjust after subtraction
     AAM             ASCII adjust after multiply
     AAD             ASCII adjust before division
     DAA             Decimal adjust after division
     DAS             Decimal adjust after subtraction
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