c52mcu_m16.lst

很实用的单片机例程

Interrupt Vectors
    00000 940C 002A JMP	__text_start|__start

Program Code (text area)
__text_start|__start:
    0002A E5CF      LDI	R28,0x5F
    0002B E0D4      LDI	R29,4
    0002C BFCD      OUT	0x3D,R28
    0002D BFDE      OUT	0x3E,R29
    0002E 51CE      SUBI	R28,0x1E
    0002F 40D0      SBCI	R29,0
    00030 EA0A      LDI	R16,0xAA
    00031 8308      ST	Y,R16
    00032 2400      CLR	R0
    00033 E6E0      LDI	R30,0x60
    00034 E0F0      LDI	R31,0
    00035 E010      LDI	R17,0
    00036 36E0      CPI	R30,0x60
    00037 07F1      CPC	R31,R17
    00038 F011      BEQ	0x003B
    00039 9201      ST	Z+,R0
    0003A CFFB      RJMP	0x0036
    0003B 8300      ST	Z,R16
    0003C E5E4      LDI	R30,0x54
    0003D E0F0      LDI	R31,0
    0003E E6A0      LDI	R26,0x60
    0003F E0B0      LDI	R27,0
    00040 E010      LDI	R17,0
    00041 E000      LDI	R16,0
    00042 BF0B      OUT	0x3B,R16
    00043 35E4      CPI	R30,0x54
    00044 07F1      CPC	R31,R17
    00045 F021      BEQ	0x004A
    00046 95C8      LPM
    00047 9631      ADIW	R30,1
    00048 920D      ST	X+,R0
    00049 CFF9      RJMP	0x0043
    0004A 940E 0068 CALL	_main
_exit:
    0004C CFFF      RJMP	_exit
FILE: C:\HJ-1G-AVR\1LED~1\main.c
(0001) //开发环境：HJ-1G HJ-3G 开发板+AVR增强包套装
(0002) //芯片：ATMEGA16A
(0003) //编译器：ICCV7
(0004) //编写：慧净电子
(0005) //网址：WWW.HLMCU.COM   QQ:121350852
(0006) //HJ-1G/3G开发板上的8个LED灯前后流动
(0007) //晶振：1M 12M
(0008) #include <iom16v.h>
(0009) #include <macros.h>
(0010) //#include "iom16v.h"
(0011) //#include "macros.h"
(0012) void Delay()
(0013) 	{
(0014) 	unsigned char a, b;
(0015)     for (a = 1; a; a++)
_Delay:
  a                    --> R16
  b                    --> R18
    0004D E001      LDI	R16,1
    0004E C006      RJMP	0x0055
(0016) 		for (b = 1; b; b++)
    0004F E021      LDI	R18,1
    00050 C001      RJMP	0x0052
    00051 9523      INC	R18
    00052 2322      TST	R18
    00053 F7E9      BNE	0x0051
    00054 9503      INC	R16
    00055 2300      TST	R16
    00056 F7C1      BNE	0x004F
    00057 9508      RET
_LED_On:
  i                    --> R10
    00058 92AA      ST	-Y,R10
    00059 92BA      ST	-Y,R11
    0005A 0158      MOVW	R10,R16
(0017) 			;
(0018) 	}
(0019) 
(0020) void LED_On(int i)
(0021) 	{
(0022) 	PORTB = ~BIT(i);	/* low output to turn LED on */
    0005B E001      LDI	R16,1
    0005C E010      LDI	R17,0
    0005D 0195      MOVW	R18,R10
    0005E 940E 0099 CALL	lsl16
    00060 0118      MOVW	R2,R16
    00061 9420      COM	R2
    00062 9430      COM	R3
    00063 BA28      OUT	0x18,R2
(0023) 	Delay();
    00064 DFE8      RCALL	_Delay
    00065 90B9      LD	R11,Y+
    00066 90A9      LD	R10,Y+
    00067 9508      RET
(0024) 	}
(0025) 
(0026) void main()
(0027) 	{
(0028) 
(0029) 	int i;
(0030) 	DDRB = 0xFF;	/* output */
_main:
  i                    --> R20
    00068 EF8F      LDI	R24,0xFF
    00069 BB87      OUT	0x17,R24
(0031) 	PORTB = 0x55;	/* all off */	
    0006A E585      LDI	R24,0x55
    0006B BB88      OUT	0x18,R24
    0006C C02A      RJMP	0x0097
(0032) 	//PORTA|=BIT(PA4);	//PA4输出高电平，WE拉高
(0033) 	//PORTA&=~BIT(PA4);	//PA4输出低电平，关掉HC573
(0034) 	//DDRC|=BIT(PC7);		//PC7设置为输出状态
(0035)     //PORTC&=~BIT(PC7);	//PC7输出低电平，关掉HC573
(0036) 	while (1)
(0037) 		{
(0038) 		
(0039) 		/* forward march */
(0040) 		for (i = 0; i < 8; i++)
    0006D 2744      CLR	R20
    0006E 2755      CLR	R21
(0041) 			LED_On(i);
    0006F 018A      MOVW	R16,R20
    00070 DFE7      RCALL	_LED_On
    00071 5F4F      SUBI	R20,0xFF
    00072 4F5F      SBCI	R21,0xFF
    00073 3048      CPI	R20,0x8
    00074 E0E0      LDI	R30,0
    00075 075E      CPC	R21,R30
    00076 F3C4      BLT	0x006F
(0042) 		/* backward march */
(0043) 		for (i = 8; i > 0; i--)
    00077 E048      LDI	R20,0x8
    00078 E050      LDI	R21,0
(0044) 			LED_On(i);
    00079 018A      MOVW	R16,R20
    0007A DFDD      RCALL	_LED_On
    0007B 5041      SUBI	R20,1
    0007C 4050      SBCI	R21,0
    0007D 2422      CLR	R2
    0007E 2433      CLR	R3
    0007F 1624      CP	R2,R20
    00080 0635      CPC	R3,R21
    00081 F3BC      BLT	0x0079
(0045) 		/* skip */
(0046) 		for (i = 0; i < 8; i += 2)
    00082 2744      CLR	R20
    00083 2755      CLR	R21
(0047) 			LED_On(i);
    00084 018A      MOVW	R16,R20
    00085 DFD2      RCALL	_LED_On
    00086 5F4E      SUBI	R20,0xFE
    00087 4F5F      SBCI	R21,0xFF
    00088 3048      CPI	R20,0x8
    00089 E0E0      LDI	R30,0
    0008A 075E      CPC	R21,R30
    0008B F3C4      BLT	0x0084
(0048) 		for (i = 7; i > 0; i -= 2)
    0008C E047      LDI	R20,7
    0008D E050      LDI	R21,0
(0049) 			LED_On(i);
FILE: <library>
    0008E 018A      MOVW	R16,R20
    0008F DFC8      RCALL	_LED_On
    00090 5042      SUBI	R20,2
    00091 4050      SBCI	R21,0
    00092 2422      CLR	R2
    00093 2433      CLR	R3
    00094 1624      CP	R2,R20
    00095 0635      CPC	R3,R21
    00096 F3BC      BLT	0x008E
    00097 CFD5      RJMP	0x006D
    00098 9508      RET
lsl16:
    00099 2322      TST	R18
    0009A F021      BEQ	0x009F
    0009B 0F00      LSL	R16
    0009C 1F11      ROL	R17
    0009D 952A      DEC	R18
    0009E CFFA      RJMP	lsl16
    0009F 9508      RET