s3c80l4 编写例程.src

三星单片机在家电方面应用较广泛,但资料比较少,这是在韩国网站上找来的例程 S3C80L4 编写例程.rar

;.include "s3c80l4.reg"
T0CNT   .REG   0D0H
T0DATA  .REG   0D1H
T0CON   .REG   0D2H
BTCON   .REG   0D3H
CLKCON  .REG   0D4H
FLAGS   .REG   0D5H
RP0     .REG   0D6H
RP1     .REG   0D7H
SPL     .REG   0D9H
IPH     .REG   0DAH
IPL     .REG   0DBH
IRQ     .REG   0DCH
IMR     .REG   0DDH
SYM     .REG   0DEH
PP      .REG   0DFH

P0      .REG   0E0H
P1      .REG   0E1H
P2      .REG   0E2H
P3      .REG   0E3H
P0CONH  .REG   0E4H
P0CONL  .REG   0E5H
P0PUR   .REG   0E6H
P1CONH  .REG   0E8H
P1CONL  .REG   0E9H
P1PUR   .REG   0EAH
EXTINT  .REG   0EBH
EXTPND  .REG   0ECH
P2CONH  .REG   0EEH
P2CONL  .REG   0EFH
P2PUR   .REG   0F0H
P3CON   .REG   0F2H
P3PUR   .REG   0F3H
STOPCON .REG   0FBH
BTCNT   .REG   0FDH
EMT     .REG   0FEH
IPR     .REG   0FFH

FLAG    EQU    10H
          .ORG   003CH          
          .DW    00H
          .DW    00H
          ;.DB     00H
          ;.DB     00H      ;frc/1
          
          ORG    0100H         
RESET:    DI
          LD     SPL,#0C0H
          LD     CLKCON,#10011000B
          LD     EMT,#00H
          LD     EXTINT,#00H       ;disable all interrupt
          LD     IMR,#00H          ;mask all interrupt
          LD     STOPCON,#10100101B ;enable STOP instruction
          
          LD     P0CONH,#01010101B  ;all Pin have been define to be push-pull output mode
          LD     P0CONL,#01010101B
          LD     P0PUR,#0FFH        ;enable pull-up resistor
          LD     P1CONH,#01010101B
          LD     P1CONL,#01010101B
          LD     P1PUR,#0FFH
          LD     P2CONH,#00000101B
          LD     P2CONL,#01010101B
          LD     P2PUR,#0FFH
          LD     P3CON,#01010101B
          LD     P3PUR,#0FH
          
          LD     P0,#00H
          LD     P1,#00H
          LD     P2,#00H
          LD     P3,#00H
          
          LD     FLAG,#0
          
START:    LD     R1,#8          
          LD     R0,#01H
          
HH:       LD     P0,R0
          CALL   DELAY
          CALL   DELAY
          CALL   DELAY
          CALL   DELAY
          
          RL     R0
          DJNZ   R1,HH
          
          LD     R1,#8
          LD     R0,#01H
          BTJRT  START,R0.0
          BITS   R0.0
          
HH1:      LD     P1,R0
          CALL   DELAY
          CALL   DELAY
          CALL   DELAY
          CALL   DELAY
          
          RL     R0
          DJNZ   R1,HH1
          
          JP     START
DELAY:    LD     R15,#250
DL:       LD     R14,#250
DL1:      DEC    R14
          CP     R14,#00H
          JR     NE,DL1
          DEC    R15
          CP     R15,#00H
          JR     NE,DL
          RET
          
          .END