int_int0.src

这是一个很好的学习工程

; .\int_int0.SRC generated from: int_int0.c
; COMPILER INVOKED BY:
;        C:\Keil\C51\BIN\C51.EXE int_int0.c BROWSE DEBUG OBJECTEXTEND SRC(.\int_int0.SRC)

$NOMOD51

NAME	INT_INT0

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?int_int0?INT_INT0                    SEGMENT CODE 
?DT?INT_INT0         SEGMENT DATA 
?BI?INT_INT0         SEGMENT BIT 
	PUBLIC	Samp_data_l
	PUBLIC	Samp_data_h
	PUBLIC	Samp_data_c
	PUBLIC	Samp_ok
	PUBLIC	Time_int_t0
	PUBLIC	int_int0

	RSEG  ?DT?INT_INT0
    Time_int_t0:   DS   1
    Samp_data_c:   DS   1
    Samp_data_h:   DS   1
    Samp_data_l:   DS   1

	RSEG  ?BI?INT_INT0
        Samp_ok:   DBIT   1
; #include <reg51.h>
; 
; unsigned char Samp_data_h;
; unsigned char Samp_data_l;
; unsigned char Time_int_t0;
; unsigned char  Samp_data_c;
; bit  Samp_ok;
; 
CSEG	AT	00003H
	LJMP	int_int0

; void int_int0() interrupt 0	 

	RSEG  ?PR?int_int0?INT_INT0
	USING	0
int_int0:
			; SOURCE LINE # 9
; {
; 	TR0=0;
			; SOURCE LINE # 11
	CLR  	TR0
; 	Samp_data_h=TH0;
			; SOURCE LINE # 12
	MOV  	Samp_data_h,TH0
; 	Samp_data_l=TL0;
			; SOURCE LINE # 13
	MOV  	Samp_data_l,TL0
; 	Samp_data_c=Time_int_t0;
			; SOURCE LINE # 14
	MOV  	Samp_data_c,Time_int_t0
; 	TH0=0;
			; SOURCE LINE # 15
	MOV  	TH0,#00H
; 	TL0=0;
			; SOURCE LINE # 16
	MOV  	TL0,#00H
; 	Time_int_t0=0;
			; SOURCE LINE # 17
	MOV  	Time_int_t0,#00H
; 	TR0=1;
			; SOURCE LINE # 18
	SETB 	TR0
; 	Samp_ok=1;
			; SOURCE LINE # 19
	SETB 	Samp_ok
; }			; SOURCE LINE # 20
	RETI 	
; END OF int_int0

	END