@subsubsection Subtraction

@c Intel mnemonics
@opindex SUB
@opindex SBB
@opindex DEC
@opindex NEG
@opindex AAS
@opindex DAS

@c opcode description
@opindex Subtract byte or word
@opindex Subtract byte or word with borrow
@opindex Increment byte or word by 1
@opindex Negate byte or word
@opindex ASCII adjust for subtraction
@opindex Decimal adjust for subtraction

@c djasm mnemonics
@opindex sub
@opindex sbb
@opindex dec
@opindex neg
@opindex aas
@opindex das

@multitable {--------} {----------} {--------------------------------------------------}
@item Intel     @tab DJASM      @tab Meaning
@item ~~~~~~~~  @tab ~~~~~~~~~~ @tab ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@item SUB       @tab sub[bwd]   @tab Subtract byte or word
@item SBB       @tab sbb[bwd]   @tab Subtract byte or word with borrow
@item DEC       @tab dec[bwd]   @tab Increment byte or word by 1
@item NEG       @tab neg        @tab Negate byte or word
@item AAS       @tab aas        @tab ASCII adjust for subtraction
@item DAS       @tab das        @tab Decimal adjust for subtraction
@end multitable