tongbu.lst

多个仿真例子


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:	TONGBU.ASM
	Object File:	TONGBU.HEX
	List File:	TONGBU.LST



 Line  I  Addr  Code            Source

    1:		N      0000		ORG	0
    2:	  0000	75 89 60	START:	MOV	TMOD,#60H	;设T1为方式2，计数方式
    3:	  0003	75 8B FF		MOV	TL1,#0FFH	;1次计数初值
    4:	  0006	75 8D FF		MOV	TH1,#0FFH
    5:	  0009	D2 92			SETB	P1.2
    6:	  000B	C2 93			CLR	P1.3
    7:	  000D	D2 8E			SETB	TR1		;启动T1计数
    8:	  000F	10 8F 02	LOOP:	JBC	TF1,LP1
    9:	  0012	80 FB			SJMP	LOOP
   10:	  0014	C2 8E		LP1:	CLR	TR1		;停止计数
   11:	  0016	75 89 20		MOV	TMOD,#20H	;T1改为定时器，方式2
   12:	  0019	75 8D CE		MOV	TH1,#0CEH	;100us定时初值
   13:	  001C	75 8B CE		MOV	TL1,#0CEH
   14:	  001F	D2 93			SETB	P1.3		;P1.3输出1
   15:	  0021	C2 92			CLR	P1.2		;P1.2输出0
   16:	  0023	D2 8E			SETB	TR1		;启动T1定时
   17:	  0025	79 04			MOV	R1,#4		;R1计100us的个数
   18:	  0027	10 8F 02	LOOP1:	JBC	TF1,LP2		;第一个100us到？
   19:	  002A	80 FB			SJMP	LOOP1		;没到，等待
   20:	  002C	D2 92		LP2:	SETB	P1.2		;到了，P1.2恢复
   21:	  002E	10 8F 02	LOOP2:	JBC	TF1,LP3
   22:	  0031	80 FB			SJMP	LOOP2
   23:	  0033	D9 F9		LP3:	DJNZ	R1,LOOP2	;500us到了吗？否，继续
   24:	  0035	C2 93			CLR	P1.3		;P1.3恢复0
   25:	  0037	C2 8E			CLR	TR1		;关定时器T1
   26:	  0039	80 C5			SJMP	START
   27:					END





                     register banks used:  ---

                     no errors



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





	       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
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	    000F	   8
LOOP1				  CODE	    0027	  18
LOOP2				  CODE	    002E	  21
LP1				  CODE	    0014	  10
LP2				  CODE	    002C	  20
LP3				  CODE	    0033	  23
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

ASEM-51 V1.2                                         Copyright (c) 1996 by W.W. Heinz                                         PAGE 3



SYMBOL				  TYPE     VALUE	LINE
------------------------------------------------------------
SBUF				  DATA	      99
SCON				  DATA	      98
SINT				  CODE	    0023
SM0				  BIT	      9F
SM1				  BIT	      9E
SM2				  BIT	      9D
SP				  DATA	      81
START				  CODE	    0000	   2
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