__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 940E005E  CALL	_main
_exit:
    004A CFFF      RJMP	_exit
FILE: C:\DOCUME~1\Administrator\MYDOCU~1\ac3-1\ac3-1.c
(0001) 
(0002) #include<iom16v.h>
(0003) void delay(void)
(0004) {
(0005) unsigned int i,j;
(0006) for(i=0;i<1000;i++)
_delay:
  i                    --> R16
  j                    --> R18
    004B 2700      CLR	R16
    004C 2711      CLR	R17
    004D C00B      RJMP	0x0059
(0007) {
(0008)    for(j=0;j<500;j++)
    004E 2722      CLR	R18
    004F 2733      CLR	R19
    0050 C002      RJMP	0x0053
    0051 5F2F      SUBI	R18,0xFF
    0052 4F3F      SBCI	R19,0xFF
    0053 3F24      CPI	R18,0xF4
    0054 E0E1      LDI	R30,1
    0055 073E      CPC	R19,R30
    0056 F3D0      BCS	0x0051
    0057 5F0F      SUBI	R16,0xFF
    0058 4F1F      SBCI	R17,0xFF
    0059 3E08      CPI	R16,0xE8
    005A E0E3      LDI	R30,3
    005B 071E      CPC	R17,R30
    005C F388      BCS	0x004E
    005D 9508      RET
(0009)    ;
(0010) }
(0011) }
(0012) //=============================
(0013) void main(void)
(0014) {
(0015) DDRB=0xff;
_main:
    005E EF8F      LDI	R24,0xFF
    005F BB87      OUT	0x17,R24
(0016) PORTB=0xff;
    0060 BB88      OUT	0x18,R24
    0061 C006      RJMP	0x0068
(0017) while(1)
(0018)   {
(0019)   PORTB=0x00;
    0062 2422      CLR	R2
    0063 BA28      OUT	0x18,R2
(0020)   delay();
    0064 DFE6      RCALL	_delay
(0021)   PORTB=0xff;
    0065 EF8F      LDI	R24,0xFF
    0066 BB88      OUT	0x18,R24
(0022)   delay();
FILE: <library>
    0067 DFE3      RCALL	_delay
    0068 CFF9      RJMP	0x0062
    0069 9508      RET