1. 编一程序,实现:显示A到z 26个字母
STACK SEGMENT STACK
DW 64 DUP(?)
STACK ENDS
CODE SEGMENT
ASSUME CS:CODE
START: MOV CX,26
MOV BL,'A'
MOV AH,02H
A1: MOV DL,BL
INT 21H
INC BL
LOOP A1
MOV AH,4CH
INT 21H
CODE ENDS
END START