test3.asm

自己写的汇编实验的源代码

;test3.asm
	.model small
	.stack
	.data
string1 db 'Input lowercase:',0dh,0ah,'$'
string2 db 'The uppercase:',0dh,0ah,'$'
	.code
	.startup
	mov dx,offset string1
	mov ah,9
	int 21h
input:  mov ah,01h
	int 21h
	sub al,20h
	;cmp al,'!'
	;jz result
	;jmp input
	mov bl,al
result: mov dx,offset string2
	mov ah,9
	int 21h
	mov ah,02h
	mov dl,bl
	int 21h	
	.exit 0
	end