ac12-1.lst

AVR学习资料

__start:
__text_start:
    002A E5CF      LDI	R28,0x5F
    002B E0D4      LDI	R29,4
    002C BFCD      OUT	0x3D,R28
    002D BFDE      OUT	0x3E,R29
    002E 51C0      SUBI	R28,0x10
    002F 40D0      SBCI	R29,0
    0030 EA0A      LDI	R16,0xAA
    0031 8308      STD	Y+0,R16
    0032 2400      CLR	R0
    0033 E6E0      LDI	R30,0x60
    0034 E0F0      LDI	R31,0
    0035 E010      LDI	R17,0
    0036 36E0      CPI	R30,0x60
    0037 07F1      CPC	R31,R17
    0038 F011      BEQ	0x003B
    0039 9201      ST	R0,Z+
    003A CFFB      RJMP	0x0036
    003B 8300      STD	Z+0,R16
    003C E5E4      LDI	R30,0x54
    003D E0F0      LDI	R31,0
    003E E6A0      LDI	R26,0x60
    003F E0B0      LDI	R27,0
    0040 E010      LDI	R17,0
    0041 35E4      CPI	R30,0x54
    0042 07F1      CPC	R31,R17
    0043 F021      BEQ	0x0048
    0044 95C8      LPM
    0045 9631      ADIW	R30,1
    0046 920D      ST	R0,X+
    0047 CFF9      RJMP	0x0041
    0048 940E006B  CALL	_main
_exit:
    004A CFFF      RJMP	_exit
FILE: d:\MYDOCU~1\ac12-1\ac12-1.c
(0001) #include<iom16v.h>			
(0002) #define uchar unsigned char 
(0003) #define uint unsigned int
(0004) //=============================================
(0005) #define xtal 8   			
(0006) void delay_1ms(void)		
(0007) { uint i;
(0008)  for(i=1;i<(uint)(xtal*143-2);i++)
_delay_1ms:
  i                    --> R16
    004B E001      LDI	R16,1
    004C E010      LDI	R17,0
    004D C002      RJMP	0x0050
    004E 5F0F      SUBI	R16,0xFF
    004F 4F1F      SBCI	R17,0xFF
    0050 3706      CPI	R16,0x76
    0051 E0E4      LDI	R30,4
    0052 071E      CPC	R17,R30
    0053 F3D0      BCS	0x004E
    0054 9508      RET
_delay_ms:
  i                    --> R20
  n                    --> R22
    0055 940E0082  CALL	push_gset2
    0057 01B8      MOVW	R22,R16
(0009)     ;
(0010) }
(0011) //=============================================
(0012) void delay_ms(uint n)	
(0013) {
(0014)  uint i=0;
    0058 2744      CLR	R20
    0059 2755      CLR	R21
    005A C003      RJMP	0x005E
(0015)    while(i<n)
(0016)    {delay_1ms();
    005B DFEF      RCALL	_delay_1ms
(0017)     i++;
    005C 5F4F      SUBI	R20,0xFF
    005D 4F5F      SBCI	R21,0xFF
    005E 1746      CP	R20,R22
    005F 0757      CPC	R21,R23
    0060 F3D0      BCS	0x005B
    0061 940E0079  CALL	pop_gset2
    0063 9508      RET
(0018)    }
(0019) }
(0020) //================================================
(0021) void init_IO(void)      
(0022) {
(0023)  DDRD=0xff;		
_init_IO:
    0064 EF8F      LDI	R24,0xFF
    0065 BB81      OUT	0x11,R24
(0024)  PORTD=0x00;	
    0066 2422      CLR	R2
    0067 BA22      OUT	0x12,R2
(0025)  TCCR2=0x71;	
    0068 E781      LDI	R24,0x71
    0069 BD85      OUT	0x25,R24
    006A 9508      RET
(0026) }
(0027) /******************主函数******************/
(0028) void main(void)	
(0029) {	uchar wide;	
(0030) init_IO();		
_main:
  wide                 --> R20
    006B DFF8      RCALL	_init_IO
    006C C00A      RJMP	0x0077
(0031) 	while(1)	
(0032)     {	
(0033) 	delay_ms(20);	
    006D E104      LDI	R16,0x14
    006E E010      LDI	R17,0
    006F DFE5      RCALL	_delay_ms
(0034) 	if(++wide==255)wide=0;
    0070 2F84      MOV	R24,R20
    0071 5F8F      SUBI	R24,0xFF
    0072 2F48      MOV	R20,R24
    0073 3F4F      CPI	R20,0xFF
    0074 F409      BNE	0x0076
    0075 2744      CLR	R20
(0035) 	OCR2=wide;	
FILE: <library>
    0076 BD43      OUT	0x23,R20
    0077 CFF5      RJMP	0x006D
    0078 9508      RET
pop_gset2:
    0079 E0E2      LDI	R30,2
    007A 940C0088  JMP	pop
push_gset5:
    007C 92FA      ST	R15,-Y
    007D 92EA      ST	R14,-Y
push_gset4:
    007E 92DA      ST	R13,-Y
    007F 92CA      ST	R12,-Y
push_gset3:
    0080 92BA      ST	R11,-Y
    0081 92AA      ST	R10,-Y
push_gset2:
    0082 937A      ST	R23,-Y
    0083 936A      ST	R22,-Y
push_gset1:
    0084 935A      ST	R21,-Y
    0085 934A      ST	R20,-Y
    0086 9508      RET
pop_gset1:
    0087 E0E1      LDI	R30,1
pop:
    0088 9149      LD	R20,Y+
    0089 9159      LD	R21,Y+
    008A FDE0      SBRC	R30,0
    008B 9508      RET
    008C 9169      LD	R22,Y+
    008D 9179      LD	R23,Y+
    008E FDE1      SBRC	R30,1
    008F 9508      RET
    0090 90A9      LD	R10,Y+
    0091 90B9      LD	R11,Y+
    0092 FDE2      SBRC	R30,2
    0093 9508      RET
    0094 90C9      LD	R12,Y+
    0095 90D9      LD	R13,Y+
    0096 FDE3      SBRC	R30,3
    0097 9508      RET
    0098 90E9      LD	R14,Y+
    0099 90F9      LD	R15,Y+
    009A 9508      RET