主题:小弟刚学汇编,几个小问题,大家帮忙
AGAIN: MOV AL,[SI]
INC SI
CMP AL,'0'
JB NEXT
CMP AL,'9'
JA NODEC
INC BH
JMP SHORT NEXT
NODEC: OR AL,20H
CMP AL,'Z'
JB NEXT
CMP AL,'Z'
JA NEXT
INC BL
NEXT: LOOP AGAIN
这段检测数字字符个数,是怎么实现的?
3Q~
INC SI
CMP AL,'0'
JB NEXT
CMP AL,'9'
JA NODEC
INC BH
JMP SHORT NEXT
NODEC: OR AL,20H
CMP AL,'Z'
JB NEXT
CMP AL,'Z'
JA NEXT
INC BL
NEXT: LOOP AGAIN
这段检测数字字符个数,是怎么实现的?
3Q~