源代码:
program segment
main proc far
assume
cs:program
start:
push ds
sub
ax,ax
push ax
mov ch,4
roate: mov cl,4
rol
bx,cl
mov al,bl
and al,0fh
add
al,30h
cmp al,3ah
jl printit
add
al,7h
printit:
mov dl,al
mov ah,2
int
21h
dec ch
jnz roate
ret
main
endp
program ends
end
原文:http://www.cnblogs.com/milantgh/p/3593998.html