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- .sect .text; .sect .rom; .sect .data; .sect .bss
- .sect .text
- .define .mli4
- yl=2
- yh=4
- ! x * y
- ! xl in ax
- ! xh in dx
- .mli4:
- mov bx,sp
- push dx
- mov cx,ax
- mul yh(bx) ! xl*yh
- pop dx
- push ax
- mov ax,dx
- mul yl(bx) ! xh * yl
- pop dx
- add dx,ax ! xh*yl+xl*yh
- mov ax,cx
- mov cx,dx
- mul yl(bx) ! xl*yl
- add dx,cx
- ret 4
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