.MODEL SMALL
.386
.STACK 128

.CODE
DEMO_INPUT PROC FAR
MOV AX,CS
MOV DS,AX

MOV AH,9
LEA DX,MSG1
INT 21H

MOV AH,0AH
LEA DX,K_ENTER
INT 21H
MOVZX BX,K_ENTER+1
OR BX,BX
JZ NO_ENTER
INC BX
MOV WORD PTR K_ENTER+2[BX],240AH

MOV AH,9
LEA DX,MSG2
INT 21H
MOV AH,9
LEA DX,K_ENTER+2
INT 21H
NO_ENTER:
MOV AX,4C00H
INT 21H

MSG1 DB 0DH,0AH,"ENTER # $"
MSG2 DB 0DH,0AH,"My No. is $"
K_ENTER DB 11,0,10 DUP(0)

DEMO_INPUT ENDP
END DEMO_INPUT


小意思,