main.src

C51单片机的C语言例程,可实现定时器中断及其时钟功能的源代码

; .\main.SRC generated from: main.c
; COMPILER INVOKED BY:
;        D:\KeilC51\C51\BIN\C51.EXE main.c ROM(COMPACT) BROWSE DEFINE(evalboard) DEBUG OBJECTEXTEND LISTINCLUDE SYMBOLS SRC(.\main.SRC)

$NOMOD51

NAME	MAIN

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
EA	BIT	0A8H.7
IE	DATA	0A8H
RD	BIT	0B0H.7
ES	BIT	0A8H.4
IP	DATA	0B8H
RI	BIT	098H.0
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
TI	BIT	098H.1
INT1	BIT	0B0H.3
PS	BIT	0B8H.4
SP	DATA	081H
OV	BIT	0D0H.2
WR	BIT	0B0H.6
SBUF	DATA	099H
PCON	DATA	087H
SCON	DATA	098H
TMOD	DATA	089H
TCON	DATA	088H
IE0	BIT	088H.1
IE1	BIT	088H.3
B	DATA	0F0H
ACC	DATA	0E0H
ET0	BIT	0A8H.1
ET1	BIT	0A8H.3
TF0	BIT	088H.5
TF1	BIT	088H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
TB8	BIT	098H.3
EX1	BIT	0A8H.2
IT1	BIT	088H.2
P	BIT	0D0H.0
SM0	BIT	098H.7
TL0	DATA	08AH
SM1	BIT	098H.6
TL1	DATA	08BH
SM2	BIT	098H.5
PT0	BIT	0B8H.1
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
TR0	BIT	088H.4
RS1	BIT	0D0H.4
TR1	BIT	088H.6
PX0	BIT	0B8H.0
PX1	BIT	0B8H.2
DPH	DATA	083H
DPL	DATA	082H
REN	BIT	098H.4
RXD	BIT	0B0H.0
TXD	BIT	0B0H.1
F0	BIT	0D0H.5
PSW	DATA	0D0H
?PR?main?MAIN        SEGMENT CODE INBLOCK 
?DT?main?MAIN        SEGMENT DATA OVERLAYABLE 
?CO?MAIN             SEGMENT CODE 
?C_INITSEG           SEGMENT CODE 
?DT?MAIN             SEGMENT DATA 
	EXTRN	CODE (cmdb_prompt)
	EXTRN	CODE (cmdb_scan)
	EXTRN	CODE (clock_init)
	EXTRN	CODE (_cmd_proc)
	EXTRN	CODE (cmdb_init)
	EXTRN	CODE (_DINPUT)
	EXTRN	CODE (_DISPLY)
	EXTRN	CODE (_timer0_wait)
	EXTRN	CODE (_com_puts)
	EXTRN	CODE (com_initialize)
	EXTRN	CODE (timer0_initialize)
	EXTRN	CODE (clock_update)
	EXTRN	CODE (?C_STARTUP)
	PUBLIC	main

	RSEG  ?DT?main?MAIN
?main?BYTE:
        cmd?040:   DS   3

	RSEG  ?DT?MAIN
             dg:   DS   8

	RSEG  ?CO?MAIN
?SC_0:
	DB  'T' ,'D' ,'P' ,' ' ,'V' ,'1' ,'.' ,'0' ,00DH,00AH
	DB  000H


	RSEG  ?C_INITSEG
	DB	008H
	DB	dg
	DB	000H
	DB	000H
	DB	00AH
	DB	000H
	DB	000H
	DB	00AH
	DB	000H
	DB	000H

; #include <reg51.h>
; #include <stdlib.h>
; #include "tdp.h"
; #ifdef evalboard       /* 采用硬件目标板时需要使用以下外部函数 */
; extern void DINPUT(unsigned char aa, unsigned char bb);
; extern void DISPLY(unsigned char data *cc);
; static unsigned char data dg[]={0,0,10,0,0,10,0,0};
; #endif
; 
; void main (void) {

	RSEG  ?PR?main?MAIN
main:
	USING	0
			; SOURCE LINE # 10
; 	unsigned i;
; 	for (i = 0; i < 1000; i++);	   /*  延时，等待系统上电稳定 */
			; SOURCE LINE # 12
;---- Variable 'i?041' assigned to Register 'R6/R7' ----
	CLR  	A
	MOV  	R7,A
	MOV  	R6,A
?C0001:
	INC  	R7
	CJNE 	R7,#00H,?C0010
	INC  	R6
?C0010:
	CJNE 	R6,#03H,?C0001
	CJNE 	R7,#0E8H,?C0001
?C0002:
; 	timer0_initialize ();        /* 定时器0初始化 */
			; SOURCE LINE # 13
	LCALL	timer0_initialize
; 	com_initialize ();          /*串行口初始化 */
			; SOURCE LINE # 14
	LCALL	com_initialize
; #ifdef evalboard              /* 采用硬件目标板时 */
; 	DINPUT(0X0A,0X07);    /* 需要对板上MAX7219初始化 */
			; SOURCE LINE # 16
	MOV  	R5,#07H
	MOV  	R7,#0AH
	LCALL	_DINPUT
; 	DINPUT(0X0B,0X07);
			; SOURCE LINE # 17
	MOV  	R5,#07H
	MOV  	R7,#0BH
	LCALL	_DINPUT
; 	DINPUT(0X09,0X0FF);
			; SOURCE LINE # 18
	MOV  	R5,#0FFH
	MOV  	R7,#09H
	LCALL	_DINPUT
; 	DINPUT(0X0c,0X01);
			; SOURCE LINE # 19
	MOV  	R5,#01H
	MOV  	R7,#0CH
	LCALL	_DINPUT
; 	DISPLY(dg);            /* 板上LED 显示 00-00-00 */
			; SOURCE LINE # 20
	MOV  	R7,#LOW (dg)
	LCALL	_DISPLY
; #endif
; 	timer0_wait (TIMER0_TICKS_PER_SEC / 10);
			; SOURCE LINE # 22
	MOV  	R7,#0AH
	MOV  	R6,#00H
	LCALL	_timer0_wait
; 	clock_init ();
			; SOURCE LINE # 23
	LCALL	clock_init
; 	com_puts ("TDP V1.0\r\n");
			; SOURCE LINE # 24
	MOV  	R3,#0FFH
	MOV  	R2,#HIGH (?SC_0)
	MOV  	R1,#LOW (?SC_0)
	LCALL	_com_puts
?C0004:
; 	while (1) {
			; SOURCE LINE # 25
; 	  const char *cmd;	
; 	  cmdb_init ();
			; SOURCE LINE # 27
	LCALL	cmdb_init
; 	  cmdb_prompt ();	
			; SOURCE LINE # 28
	LCALL	cmdb_prompt
; 	  for (cmd = NULL; cmd == NULL; cmd = cmdb_scan ()) {
			; SOURCE LINE # 29
	MOV  	cmd?040,#00H
	MOV  	cmd?040+01H,#00H
	MOV  	cmd?040+02H,#00H
?C0006:
	MOV  	A,cmd?040+02H
	ORL  	A,cmd?040+01H
	ORL  	A,cmd?040
	JNZ  	?C0007
; 	    clock_update ();
			; SOURCE LINE # 30
	LCALL	clock_update
; 	  }
			; SOURCE LINE # 31
	LCALL	cmdb_scan
	MOV  	cmd?040,R3
	MOV  	cmd?040+01H,R2
	MOV  	cmd?040+02H,R1
	SJMP 	?C0006
?C0007:
; 	  cmd_proc (cmd);
			; SOURCE LINE # 32
	MOV  	R3,cmd?040
	MOV  	R2,cmd?040+01H
	MOV  	R1,cmd?040+02H
	LCALL	_cmd_proc
; 	}
			; SOURCE LINE # 33
	SJMP 	?C0004
; END OF main

	END