汇编英文大小写变换

汇编英文大小写转换

assume cs:code,ds:datadata segmentdb 'iloveyou'data endscode segmentstart:  mov ax,datamov ds,axmov bx,0mov cx,8s:mov al,[bx]and al,11011111bmov [bx],alinc bxloop smov cx,8mov bx,0s1: mov al,[bx]or al,00100000bmov [bx],alinc bxloop s1mov ax,4c00hint 21hcode endsend start