训练项目四：扩展io口的使用.lst

长沙理工自己的实验程序

NO DEBUG INFORMATION AVAILABLE!
__text_start:
__start:
      30 EFCF      LDI	R28,0xFF
      31 E0DF      LDI	R29,0xF
      32 BFCD      OUT	0x3D,R28
      33 BFDE      OUT	0x3E,R29
      34 51C0      SUBI	R28,0x10
      35 40D0      SBCI	R29,0
      36 EA0A      LDI	R16,0xAA
      37 8308      STD	Y+0,R16
      38 2400      CLR	R0
      39 E6E0      LDI	R30,0x60
      3A E0F0      LDI	R31,0
      3B E010      LDI	R17,0
      3C 36E0      CPI	R30,0x60
      3D 07F1      CPC	R31,R17
      3E F011      BEQ	0x0041
      3F 9201      ST	R0,Z+
      40 CFFB      RJMP	0x003C
      41 8300      STD	Z+0,R16
      42 E6E0      LDI	R30,0x60
      43 E0F0      LDI	R31,0
      44 E6A0      LDI	R26,0x60
      45 E0B0      LDI	R27,0
      46 E010      LDI	R17,0
      47 E000      LDI	R16,0
      48 BF0B      OUT	0x3B,R16
      49 36E0      CPI	R30,0x60
      4A 07F1      CPC	R31,R17
      4B F021      BEQ	0x0050
      4C 95C8      LPM
      4D 9631      ADIW	R30,1
      4E 920D      ST	R0,X+
      4F CFF9      RJMP	0x0049
      50 940E 0087 CALL	_main
_exit:
      52 CFFF      RJMP	_exit
_init:
      53 B785      IN	R24,0x35
      54 6880      ORI	R24,0x80
      55 BF85      OUT	0x35,R24
      56 E880      LDI	R24,0x80
      57 9380 006C STS	0x006C,R24
      59 E800      LDI	R16,0x80
      5A E010      LDI	R17,0
      5B D001      RCALL	_w8255con
      5C 9508      RET
_w8255con:
      5D 934A      ST	R20,-Y
      5E 935A      ST	R21,-Y
      5F E043      LDI	R20,3
      60 E850      LDI	R21,0x80
      61 01FA      MOVW	R30,R20
      62 8300      STD	Z+0,R16
      63 9159      LD	R21,Y+
      64 9149      LD	R20,Y+
      65 9508      RET
_w8255a:
      66 934A      ST	R20,-Y
      67 935A      ST	R21,-Y
      68 E040      LDI	R20,0
      69 E850      LDI	R21,0x80
      6A 01FA      MOVW	R30,R20
      6B 8300      STD	Z+0,R16
      6C 9159      LD	R21,Y+
      6D 9149      LD	R20,Y+
      6E 9508      RET
_delay_1ms:
      6F E001      LDI	R16,1
      70 E010      LDI	R17,0
      71 C002      RJMP	0x0074
      72 5F0F      SUBI	R16,0xFF
      73 4F1F      SBCI	R17,0xFF
      74 3D04      CPI	R16,0xD4
      75 E0E8      LDI	R30,0x8
      76 071E      CPC	R17,R30
      77 F3D0      BCS	0x0072
      78 9508      RET
_delay_nms:
      79 940E 00B3 CALL	push_xgset300C
      7B 0158      MOVW	R10,R16
      7C 2744      CLR	R20
      7D 2755      CLR	R21
      7E C003      RJMP	0x0082
      7F DFEF      RCALL	_delay_1ms
      80 5F4F      SUBI	R20,0xFF
      81 4F5F      SBCI	R21,0xFF
      82 154A      CP	R20,R10
      83 055B      CPC	R21,R11
      84 F3D0      BCS	0x007F
      85 940C 00B8 JMP	pop_xgset300C
_main:
      87 DFCB      RCALL	_init
      88 C028      RJMP	0x00B1
      89 EF0E      LDI	R16,0xFE
      8A DFDB      RCALL	_w8255a
      8B E500      LDI	R16,0x50
      8C E010      LDI	R17,0
      8D DFEB      RCALL	_delay_nms
      8E EF0D      LDI	R16,0xFD
      8F DFD6      RCALL	_w8255a
      90 E500      LDI	R16,0x50
      91 E010      LDI	R17,0
      92 DFE6      RCALL	_delay_nms
      93 EF0B      LDI	R16,0xFB
      94 DFD1      RCALL	_w8255a
      95 E500      LDI	R16,0x50
      96 E010      LDI	R17,0
      97 DFE1      RCALL	_delay_nms
      98 EF07      LDI	R16,0xF7
      99 DFCC      RCALL	_w8255a
      9A E500      LDI	R16,0x50
      9B E010      LDI	R17,0
      9C DFDC      RCALL	_delay_nms
      9D EE0F      LDI	R16,0xEF
      9E DFC7      RCALL	_w8255a
      9F E500      LDI	R16,0x50
      A0 E010      LDI	R17,0
      A1 DFD7      RCALL	_delay_nms
      A2 ED0F      LDI	R16,0xDF
      A3 DFC2      RCALL	_w8255a
      A4 E500      LDI	R16,0x50
      A5 E010      LDI	R17,0
      A6 DFD2      RCALL	_delay_nms
      A7 EB0F      LDI	R16,0xBF
      A8 DFBD      RCALL	_w8255a
      A9 E500      LDI	R16,0x50
      AA E010      LDI	R17,0
      AB DFCD      RCALL	_delay_nms
      AC E70F      LDI	R16,0x7F
      AD DFB8      RCALL	_w8255a
      AE E500      LDI	R16,0x50
      AF E010      LDI	R17,0
      B0 DFC8      RCALL	_delay_nms
      B1 CFD7      RJMP	0x0089
      B2 9508      RET
push_xgset300C:
      B3 935A      ST	R21,-Y
      B4 934A      ST	R20,-Y
      B5 92BA      ST	R11,-Y
      B6 92AA      ST	R10,-Y
      B7 9508      RET
pop_xgset300C:
      B8 90A9      LD	R10,Y+
      B9 90B9      LD	R11,Y+
      BA 9149      LD	R20,Y+
      BB 9159      LD	R21,Y+
      BC 9508      RET