led.lst

单片机开发资料光盘-双龙-686M.zip

__start:
__text_start:
    0013 E5CF      LDI	R28,0x5F
    0014 E0D4      LDI	R29,4
    0015 BFCD      OUT	0x3D,R28
    0016 BFDE      OUT	0x3E,R29
    0017 51C0      SUBI	R28,0x10
    0018 40D0      SBCI	R29,0
    0019 EA0A      LDI	R16,0xAA
    001A 8308      STD	Y+0,R16
    001B 2400      CLR	R0
    001C E6E0      LDI	R30,0x60
    001D E0F0      LDI	R31,0
    001E E010      LDI	R17,0
    001F 36E0      CPI	R30,0x60
    0020 07F1      CPC	R31,R17
    0021 F011      BEQ	0x0024
    0022 9201      ST	R0,Z+
    0023 CFFB      RJMP	0x001F
    0024 8300      STD	Z+0,R16
    0025 E2E6      LDI	R30,0x26
    0026 E0F0      LDI	R31,0
    0027 E6A0      LDI	R26,0x60
    0028 E0B0      LDI	R27,0
    0029 E010      LDI	R17,0
    002A 32E6      CPI	R30,0x26
    002B 07F1      CPC	R31,R17
    002C F021      BEQ	0x0031
    002D 95C8      LPM
    002E 9631      ADIW	R30,1
    002F 920D      ST	R0,X+
    0030 CFF9      RJMP	0x002A
    0031 D00C      RCALL	_main
_exit:
    0032 CFFF      RJMP	_exit
FILE: E:\icc\iccavr\mega8\mega8\led\led.c
(0001) /******************************************/
(0002) /*           广州天河双龙电子公司         */
(0003) /*           http://www.sl.com.cn         */
(0004) /*               LED演示程序              */
(0005) /*           作者:[e-mail]          */
(0006) /*     目标MCU:MEGA8    晶振:INT RC 2MHZ  */
(0007) /******************************************/
(0008) #include <iom8v.h>
(0009) #define set_bit(x,y)  (x|=(1<<y))
(0010) #define clr_bit(x,y)  (x&=~(1<<y))
(0011) void Delay() 
(0012) 	{
(0013) 	unsigned char a, b;
(0014) 
(0015) 	for (a = 1; a; a++)
_Delay:
  a                    --> R16
  b                    --> R18
    0033 E001      LDI	R16,1
    0034 C006      RJMP	0x003B
(0016) 		for (b = 1; b; b++)
    0035 E021      LDI	R18,1
    0036 C001      RJMP	0x0038
    0037 9523      INC	R18
    0038 2322      TST	R18
    0039 F7E9      BNE	0x0037
    003A 9503      INC	R16
    003B 2300      TST	R16
    003C F7C1      BNE	0x0035
(0017) 			;
(0018) 	}
    003D 9508      RET
(0019) void main()
(0020) 	{
(0021) 	unsigned char i,j;
(0022) 	OSCCAL=0x7f;
_main:
  j                    --> R20
  i                    --> R22
    003E E78F      LDI	R24,0x7F
    003F BF81      OUT	0x31,R24
(0023) 	DDRD=0xFF;	/* output */
    0040 EF8F      LDI	R24,0xFF
    0041 BB81      OUT	0x11,R24
(0024) 	PORTD=0xff;	/* all off */
    0042 BB82      OUT	0x12,R24
(0025)     DDRB=0xff;
    0043 BB87      OUT	0x17,R24
(0026) 	PORTB=0xff;
    0044 BB88      OUT	0x18,R24
    0045 C01F      RJMP	0x0065
(0027) 	while (1)
(0028) 		{		
(0029) 		 for(j=4;j<8;j++)
    0046 E044      LDI	R20,4
    0047 C01B      RJMP	0x0063
(0030)     		 {
(0031)     		  clr_bit(PORTD,j);
    0048 E001      LDI	R16,1
    0049 2F14      MOV	R17,R20
    004A D01C      RCALL	lsl8
    004B 2E20      MOV	R2,R16
    004C 9420      COM	R2
    004D B232      IN	R3,0x12
    004E 2032      AND	R3,R2
    004F BA32      OUT	0x12,R3
(0032)     		  for(i=0;i<8;i++)
    0050 2766      CLR	R22
    0051 C008      RJMP	0x005A
(0033)     		  	 {
(0034)     		      PORTB=~(1<<i);
    0052 E001      LDI	R16,1
    0053 2F16      MOV	R17,R22
    0054 D012      RCALL	lsl8
    0055 2E20      MOV	R2,R16
    0056 9420      COM	R2
    0057 BA28      OUT	0x18,R2
(0035)     			  Delay();
    0058 DFDA      RCALL	_Delay
    0059 9563      INC	R22
    005A 3068      CPI	R22,0x8
    005B F3B0      BCS	0x0052
(0036)     		   	 }
(0037) 			  set_bit(PORTD,j);	 
    005C E001      LDI	R16,1
    005D 2F14      MOV	R17,R20
    005E D008      RCALL	lsl8
    005F B222      IN	R2,0x12
    0060 2A20      OR	R2,R16
    0061 BA22      OUT	0x12,R2
    0062 9543      INC	R20
    0063 3048      CPI	R20,0x8
    0064 F318      BCS	0x0048
    0065 CFE0      RJMP	0x0046
(0038)     		 }  
(0039) 		 }
(0040)      }
FILE: <library>
    0066 9508      RET
lsl8:
    0067 2311      TST	R17
    0068 F019      BEQ	0x006C
    0069 0F00      LSL	R16
    006A 951A      DEC	R17
    006B CFFB      RJMP	lsl8
    006C 9508      RET