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標(biāo)題: AT90S1200單片機(jī)石油鉆井皮帶自動(dòng)收緊匯編語(yǔ)言 [打印本頁(yè)]

作者: czhaii 時(shí)間: 2021-1-24 17:23
標(biāo)題: AT90S1200單片機(jī)石油鉆井皮帶自動(dòng)收緊匯編語(yǔ)言

;*****PD0 PD1 PD3 PB0***********
;*******************************
      .include "1200def.inc" ;文件頭,
      .org  $0000             ;org是一條偽指令
      rjmp    RESET          ;RESET  Handle
      .org $0005                ;$0000地址之后是中斷向量區(qū)，跳過(guò)中斷區(qū)。中斷與中斷向量將在
RESET:  ldi    r16,0XF0 ;1111 0000
      out       ddrd,R16
      ldi       r16,0X02 ;0000 0010
      out    ddrb,R16 ;PB1為蜂鳴器輸出
      ldi       r16,0XFF ;1111  1111
      out    PORTD,r16
   out       PORTB,r16
      out       PINB,r16
      out       PIND,r16
START:  sbic PINB,0
      RJMP STA
      RCALL DEL
      sbic PINB,0
      RJMP STA
;*********檢測(cè)蜂鳴器*************
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
;********TIME=1******************
STA: sbic PIND,0
      RJMP STB
      RCALL DEL
      sbic PIND,0
      RJMP STB
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
;********TIME=2******************
STB: sbic PIND,1
      RJMP STC
      RCALL DEL
      sbic PIND,1
      RJMP STC
;*********檢測(cè)蜂鳴器*************
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
;********TIME=3******************
STC: sbic PIND,3
      RJMP START
      RCALL DEL
      sbic PIND,3
      RJMP START
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      RCALL DELAY
      cbi    PORTB,1;OPEN
      RCALL DELAY
      sbi    PORTB,1;OFF
      RCALL DELAY
      RJMP START
DELAY:  LDI    R29,0Xff
DE1: LDI    R30,0Xff
DE2: LDI    R31,0X0A
DE3: DEC    R31
      BRNE DE3
DEC    R30
      BRNE DE2
      DEC    R29
      BRNE DE1
      RET
DEL: LDI    R29,0XFF
DELL: DEC    R29
      BRNE DELL
      RET

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