动画心控制汇编语言 第5页
call box ;draw the big box
mov cx,71
mov dx,21
mov bx,158
again: ;由大到小画方框
mov al,1
mov di,0
call box
call delay
mov al,0
mov di,0
call box
inc cx
inc dx
sub bx,2
cmp cx,94
jnz again
mov di,0 ;draw the 2nd box
mov cx,95
mov dx,45
mov al,1
mov bx,110
call box
mov cx,96
mov dx,46
mov bx,108
again_00:
mov al,1
mov di,0
call box
call delay
call delay
mov al,0
mov di,0
call box
inc cx
inc dx
sub bx,2
cmp cx,114
jnz again_00
mov cx,115 ;draw the 3rd box
mov dx,65
mov al,1
mov bx,70
call box
mov cx,116
mov dx,66
mov bx,68
again_01:
mov al,1
mov di,0
call box
call delay
call delay
mov al,0
mov di,0
call box
inc cx
inc dx
sub bx,2
cmp cx,129
jnz again_01
mov di,2
mov al,1 ;draw the small box
mov di,2
mov al,3
mov si,0
mov cx,71
mov dx,21
mov bx,59
call xie_line ;对角线
mov cx,171
mov dx,121
mov bx,59
call xie_line
mov si,1
mov cx,71
mov dx,179
mov bx,59
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