請先把SUBPROC.BIN燒到單片機，然后開啟SubProcAssi.exe,連接串口，就可以調試了.

;基于串口通訊的子程序調試軟件
;大強制作
;nie_zq@163.net

RX0???????? EQU???? 10H
RX1???????? EQU???? 11H
RX2???????? EQU???? 12H
RX3???????? EQU???? 13H
RX4???????? EQU???? 14H
TX0???????? EQU???? 15H
TX1???????? EQU???? 16H
TX2???????? EQU???? 17H
TX3???????? EQU???? 18H
TX4???????? EQU???? 19H
PARAM0????? EQU???? 11H
PARAM1????? EQU???? 12H
PARAM2????? EQU???? 13H
PARAM3????? EQU???? 14H
RET0??????? EQU???? 16H
RET1??????? EQU???? 17H
RET2??????? EQU???? 18H
RET3??????? EQU???? 19H

;---------------------------------------------------
??????????? ORG???? 0000H
??????????? SJMP??? INIT_COM
??????????? ORG???? 0023H
??????????? AJMP??? COM_INT
??????????? ORG???? 0030H
INIT_COM:?? SETB??? P3.0
??????????? SETB??? P3.1
??????????? MOV???? IP,#00H
???????????????????????????? ;SCON: SM0|SM1|SM2|REN|TB8|RB8|TI|RI
??????????? MOV???? SCON,#11010000B ; 1?? 1?? 0?? 1?? 0?? 0? 0? 0
??????????? ANL???? PCON,#01111111B
??????????? MOV???? TCON,#00H
??????????? MOV???? IE,#00H
??????????? MOV???? TH1,#0FFH;波特率28800*TMOD
??????????? MOV???? TL1,#0FFH
????????????????????????????? ;TMOD: GATE|C/!T|M1|M0|GATE|C/!T|M1|M0
??????????? MOV???? TMOD,#00100000B;?? 0??? 0? 1?? 0?? 0??? 0?? 0? 1
??????????? SETB??? TR1
??????????? SETB??? ES
??????????? SETB??? EA
??????????? MOV???? SP,#50H
;------------------------------------------------
??????????? CLR???? P3.3;Vpp=5V
??????????? CLR???? P3.4
??????????? SJMP??? $

;------------------------------------------------
;?????????? 在下面添加被調試的子程序入
;------------------------------------------------
PROCESS_1:? CLR???? P3.3;Vpp=0v
??????????? SETB??? P3.4
??????????? MOV???? TX1,#0;顯示0v
??????????? RET

PROCESS_2:? CLR???? P3.3;Vpp=5V
??????????? CLR???? P3.4
??????????? MOV???? TX1,#5;顯示5v
??????????? RET

PROCESS_3:? CLR???? P3.4;Vpp=12v
??????????? SETB??? P3.3
??????????? MOV???? TX1,#12;顯示12v
??????????? RET

PROCESS_4:?
??????????? RET

PROCESS_5:?
??????????? RET

PROCESS_6:??
??????? ??? RET