ex8-7.lst

本文件好似一系列的仿真


ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 1





       MCS-51 Family Cross Assembler   A S E M - 5 1   V 1.2
       =====================================================



	Source File:	EX8-7.ASM
	Object File:	EX8-7.HEX
	List File:	EX8-7.LST



 Line  I  Addr  Code            Source

    1:		N      0000		ORG    0000H       ;主程序入口
    2:	  0000	01 15			AJMP   MAIN
    3:		N      0013		ORG    0013H       ;外中断 入口
    4:	  0013	01 2D			AJMP   BINT1       ;转至ADC0809中断服务子程序
    5:	  0015	78 30		MAIN:  	MOV    R0,#30H    ;数据区首地址
    6:	  0017	7C 08			MOV    R4,#08H    ;八路模拟信号
    7:	  0019	7A 00			MOV    R2,#00H    ;模拟通道0
    8:	  001B	D2 AF			SETB   EA          ;开中断
    9:	  001D	D2 AA			SETB   EX1         ;允许外中断1
   10:	  001F	D2 8A			SETB   IT1         ;边沿触发
   11:	  0021	90 7F FF		MOV    DPTR,#7FFFH ;ADC0809端口地址
   12:	  0024	74 00			MOV    A,#00H
   13:	  0026	F0			MOVX   @DPTR,A     ;启动ADC0809
   14:	  0027	E5 30		LOOP:   MOV    A,30H
   15:	  0029	F5 90			MOV    P1,A
   16:	  002B	80 FA			SJMP   LOOP       ;等待
   17:
   18:	  002D	C0 E0		BINT1: 	PUSH   ACC
   19:	  002F	E0			MOVX   A,@DPTR    ;输入转换结果
   20:	  0030	F6			MOV    @R0,A      ;存入内存
   21:	  0031	08			INC    R0         ;数据区地址加1
   22:	  0032	0A			INC    R2         ;修改模拟输入通道
   23:	  0033	EA			MOV    A,R2       ;
   24:	  0034	F0			MOVX   @DPTR,A    ;启动下一路模拟通道进行转换
   25:	  0035	DC 09			DJNZ   R4,LOOP1   ;八路未完,循环
   26:	  0037	78 30			MOV    R0,#30H    ;八路输入转换完毕
   27:	  0039	7C 08			MOV    R4,#08H    ;
   28:	  003B	7A 00			MOV    R2,#00H    ;
   29:	  003D	74 00			MOV    A,#00H
   30:	  003F	F0			MOVX   @DPTR,A    ;重新启动ADC0809
   31:	  0040	D0 E0		LOOP1:  POP    ACC
   32:	  0042	32			RETI              ;中断返回
   33:					END





                     register banks used:  ---

                     no errors



ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 2





ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3





	       L I S T   O F   S Y M B O L S
	       =============================


SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
AC				  BIT	      D6
ACC				  DATA	      E0
B				  DATA	      F0
BINT1				  CODE	    002D	  18
CY				  BIT	      D7
DPH				  DATA	      83
DPL				  DATA	      82
EA				  BIT	      AF
ES				  BIT	      AC
ET0				  BIT	      A9
ET1				  BIT	      AB
EX0				  BIT	      A8
EX1				  BIT	      AA
EXTI0				  CODE	    0003
EXTI1				  CODE	    0013
F0				  BIT	      D5
IE				  DATA	      A8
IE0				  BIT	      89
IE1				  BIT	      8B
INT0				  BIT	      B2
INT1				  BIT	      B3
IP				  DATA	      B8
IT0				  BIT	      88
IT1				  BIT	      8A
LOOP				  CODE	    0027	  14
LOOP1				  CODE	    0040	  31
MAIN				  CODE	    0015	   5
OV				  BIT	      D2
P				  BIT	      D0
P0				  DATA	      80
P1				  DATA	      90
P2				  DATA	      A0
P3				  DATA	      B0
PCON				  DATA	      87
PS				  BIT	      BC
PSW				  DATA	      D0
PT0				  BIT	      B9
PT1				  BIT	      BB
PX0				  BIT	      B8
PX1				  BIT	      BA
RB8				  BIT	      9A
RD				  BIT	      B7
REN				  BIT	      9C
RESET				  CODE	    0000
RI				  BIT	      98
RS0				  BIT	      D3
RS1				  BIT	      D4
RXD				  BIT	      B0
SBUF				  DATA	      99
SCON				  DATA	      98

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 4



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
SINT				  CODE	    0023
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
T0				  BIT	      B4
T1				  BIT	      B5
TB8				  BIT	      9B
TCON				  DATA	      88
TF0				  BIT	      8D
TF1				  BIT	      8F
TH0				  DATA	      8C
TH1				  DATA	      8D
TI				  BIT	      99
TIMER0				  CODE	    000B
TIMER1				  CODE	    001B
TL0				  DATA	      8A
TL1				  DATA	      8B
TMOD				  DATA	      89
TR0				  BIT	      8C
TR1				  BIT	      8E
TXD				  BIT	      B1
WR				  BIT	      B6