📄 main.lst
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C51 COMPILER V7.00 MAIN 04/24/2002 18:30:44 PAGE 1
C51 COMPILER V7.00, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND CODE SYMBOLS TABS(8)
stmt level source
1 #include <REG517.H>
2
3 /*------------------------------------------------
4 Timer 2 Interrupt Service Routine.
5
6 Set a breakpoint on 'overflow_count++' and run the
7 program in the debugger. You will see this line
8 executes every 1000 clock cycles (or 1,000 Hz).
9
10 So, overflow_count is actually a 1/1,000 sec
11 timer.
12 ------------------------------------------------*/
13 static unsigned long overflow_count = 0;
14
15 void timer1_ISR (void) interrupt 5
16 {
17 1 TF2 = 0; /* Clear the interrupt request */
18 1 overflow_count++; /* Increment the overflow count */
19 1 }
20
21 /*------------------------------------------------
22 MAIN C function
23 ------------------------------------------------*/
24 void main (void)
25 {
26 1 /*--------------------------------------
27 1 Set the reload values to be 1000 clocks.
28 1 --------------------------------------*/
29 1 CRCL = (65536UL-1000UL);
30 1 CRCH = (65536UL-1000UL) >> 8;
31 1
32 1 TL2 = CRCL;
33 1 TH2 = CRCH;
34 1
35 1 /*--------------------------------------
36 1 Set Timer2 for 16-bit auto-reload.
37 1 The timer counts to 0xFFFF, overflows,
38 1 is reloaded, and generates an interrupt.
39 1 --------------------------------------*/
40 1 T2CON = 0x11; /* 0XX10001 */
41 1
42 1 /*--------------------------------------
43 1 --------------------------------------*/
44 1 ET2 = 1; /* Enable Timer 2 Interrupts */
45 1 EAL = 1; /* Global Interrupt Enable */
46 1
47 1 /*--------------------------------------
48 1 Do Nothing. Actually, the timer 2
49 1 interrupt will occur every 1000 clocks.
50 1 Since the oscillator runs at 12 MHz,
51 1 the interrupt will happen every 1 KHz.
52 1 --------------------------------------*/
53 1 while (1)
54 1 {
55 2 }
C51 COMPILER V7.00 MAIN 04/24/2002 18:30:44 PAGE 2
56 1 }
57
C51 COMPILER V7.00 MAIN 04/24/2002 18:30:44 PAGE 3
ASSEMBLY LISTING OF GENERATED OBJECT CODE
; FUNCTION timer1_ISR (BEGIN)
0000 C0E0 PUSH ACC
0002 C0D0 PUSH PSW
; SOURCE LINE # 15
; SOURCE LINE # 17
0004 C2C6 CLR TF2
; SOURCE LINE # 18
0006 E500 R MOV A,overflow_count+03H
0008 2401 ADD A,#01H
000A F500 R MOV overflow_count+03H,A
000C E4 CLR A
000D 3500 R ADDC A,overflow_count+02H
000F F500 R MOV overflow_count+02H,A
0011 E4 CLR A
0012 3500 R ADDC A,overflow_count+01H
0014 F500 R MOV overflow_count+01H,A
0016 E4 CLR A
0017 3500 R ADDC A,overflow_count
0019 F500 R MOV overflow_count,A
; SOURCE LINE # 19
001B D0D0 POP PSW
001D D0E0 POP ACC
001F 32 RETI
; FUNCTION timer1_ISR (END)
; FUNCTION main (BEGIN)
; SOURCE LINE # 24
; SOURCE LINE # 25
; SOURCE LINE # 29
0000 75CA18 MOV CRCL,#018H
; SOURCE LINE # 30
0003 75CBFC MOV CRCH,#0FCH
; SOURCE LINE # 32
0006 85CACC MOV TL2,CRCL
; SOURCE LINE # 33
0009 85CBCD MOV TH2,CRCH
; SOURCE LINE # 40
000C 75C811 MOV T2CON,#011H
; SOURCE LINE # 44
000F D2AD SETB ET2
; SOURCE LINE # 45
0011 D2AF SETB EAL
0013 ?C0002:
; SOURCE LINE # 53
; SOURCE LINE # 54
; SOURCE LINE # 55
0013 80FE SJMP ?C0002
; FUNCTION main (END)
C51 COMPILER V7.00 MAIN 04/24/2002 18:30:44 PAGE 4
NAME CLASS MSPACE TYPE OFFSET SIZE
==== ===== ====== ==== ====== ====
TB80 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 009BH 1
T2I0 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C8H 1
T2I1 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C9H 1
SM20 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 009DH 1
T0 . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B4H 1
AC . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D6H 1
T1 . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B5H 1
BD . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00DFH 1
overflow_count . . . . . . . . . . . . STATIC DATA U_LONG 0000H 4
T2R0 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00CBH 1
T2R1 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00CCH 1
EADC . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B8H 1
IADC . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C0H 1
I2FR . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00CDH 1
I3FR . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00CEH 1
EXF2 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C7H 1
REN0 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 009CH 1
RD . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B7H 1
T2CM . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00CAH 1
IEX2 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C1H 1
IEX3 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C2H 1
IEX4 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C3H 1
IEX5 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C4H 1
INT0 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B2H 1
CY . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D7H 1
IEX6 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C5H 1
INT1 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B3H 1
CRCH . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 00CBH 1
ADEX . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00DDH 1
timer1_ISR . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
OV . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D2H 1
CRCL . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 00CAH 1
main . . . . . . . . . . . . . . . . . PUBLIC CODE PROC 0000H -----
WR . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B6H 1
T2PS . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00CFH 1
IE0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 0089H 1
IE1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008BH 1
SWDT . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00BEH 1
ES0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00ACH 1
ET0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00A9H 1
ET1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00ABH 1
TF0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008DH 1
RI0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 0098H 1
ET2. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00ADH 1
TF1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008FH 1
TF2. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00C6H 1
TI0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 0099H 1
EX0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00A8H 1
IT0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 0088H 1
EX1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00AAH 1
IT1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008AH 1
TH2. . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 00CDH 1
EX2. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B9H 1
P. . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D0H 1
SM0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 009FH 1
EX3. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00BAH 1
SM1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 009EH 1
C51 COMPILER V7.00 MAIN 04/24/2002 18:30:44 PAGE 5
NAME CLASS MSPACE TYPE OFFSET SIZE
==== ===== ====== ==== ====== ====
EX4. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00BBH 1
ADM. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00DBH 1
EX5. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00BCH 1
EAL. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00AFH 1
TL2. . . . . . . . . . . . . . . . . . SFR DATA U_CHAR 00CCH 1
EX6. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00BDH 1
MX0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D8H 1
RS0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D3H 1
MX1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D9H 1
TR0. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008CH 1
RS1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D4H 1
MX2. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00DAH 1
TR1. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 008EH 1
CLK. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00DEH 1
EXEN2. . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00BFH 1
T2CON. . . . . . . . . . . . . . . . . SFR DATA U_CHAR 00C8H 1
BSY. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00DCH 1
RXD. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B0H 1
WDT. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00AEH 1
TXD. . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00B1H 1
F0 . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D5H 1
F1 . . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 00D1H 1
RB80 . . . . . . . . . . . . . . . . . ABSBIT ----- BIT 009AH 1
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 53 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 4 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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