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xit001
[专家分：20] 发布于 2007-03-27 21:41:00
data segment
x1 db 4
y1 db 5
s1 db ?
data ends
xy11 macro a1,b1
ife a1 ea b1
mov al,a1
mul b1
else
mov al,a1
sub al,b1
endif
ends
code segment
assume cs:code,ds:data
start: mov ax,data
mov ds,ax
xy11 x1,y1
mov s1,al
mov ah,4ch
int 21h
code ends
end start
x1 db 4
y1 db 5
s1 db ?
data ends
xy11 macro a1,b1
ife a1 ea b1
mov al,a1
mul b1
else
mov al,a1
sub al,b1
endif
ends
code segment
assume cs:code,ds:data
start: mov ax,data
mov ds,ax
xy11 x1,y1
mov s1,al
mov ah,4ch
int 21h
code ends
end start
