czl_show.asm

计算机汇编实验：表格显示字符

prognam segment
main proc far
	assume cs:prognam

start:
	push ds       ;save ds
    sub ax,ax     ;set ax to zero
    push ax       ;save ax
	mov dl, 10H
	mov cl, 0fH
	mov ch, 0fH

lop:
	push dx
	mov ah, 02h
	int 21h

	cmp cl, 00h
	jz printLine
	mov dl, 00h
	mov ah, 02h
	int 21h
next:
	pop dx
	inc dl
	dec cl
	jmp lop
printLine:
	mov dl, 0dh
	mov ah, 02h
	int 21h
	mov dl, 0ah
	mov ah, 02h
	int 21h
	mov cl, 10h
	dec ch
	jnz next
	pop dx
	ret
main endp
prognam ends
end start