On Friday 27 May 2005 10:44, [email protected] wrote:
> Brain fade...example should be:
>
> 1) Start with AX = 0x0023
> 2) Execute AAM instruction
> 3) Now AX = 0x0305 (unpacked BCD)
> 4) Execute base 16 AAD instruction
> 5) Now AX = 0x0035 (packed BCD)
Intel syntax:
shl ah,4
or al,ah
mov ah,0 (if needed)
No need to use AAD16, it is
a) doesnt work on some obscure ancient NEC x86 clones IIRC
b) is microcoded (slow)
--
vda
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