main.asm

来自「pic单片机常用的汇编程序,很有用的,分成各个小模块」· 汇编 代码 · 共 53 行

            LIST F=INHX8M,R=DEC,P=16C62    ;_____主程序寄存器___________
            INCLUDE	  "SUB16X.INC"
            INCLUDE       "P16F877.INC"
	    NOP           
            GOTO          RESET             ;复位
	ORG	0020H
            INCLUDE       "DUMUL.ASM"
;****************复位程序入口*************                                   
RESET       BCF           STATUS,RP0
            BCF           STATUS,RP1        ;选择 BANK0
                  MOVLW	  45H
	MOVWF	              30H    
	          movlw	  99H
	movwf	              31H
	          movlw	  84H
	movwf	              32H
	          movlw	  99H
        movwf	              33H    
	          MOVLW	  43H
        MOVWF                 34H
	          movlw	  27H
        movwf	              35H    
                  MOVLW	  22H
        MOVWF                 36H
	          movlw	  93H
  movwf	                      37H
	movlw	  	30h
	movwf	  	SADR
	MOVLW		34H
	MOVWF		DADR
	MOVLW	 	04H
	;MOVWF		SOU
	MOVLW		40H
	;MOVWF		SOUH
	;MOVWF		SADRH
        MOVLW 		6EH
	;MOVWF		RLT
	MOVLW		07H
	;MOVWF		RLTH
            MOVLW	  4H	
            MOVWF        CNT
            MOVLW        7H
 	CALL	DUMUL
THIS        GOTO          THIS
   	    
;**********中断入口程序***************
            ORG           0004H
            NOP
            NOP
            RETFIE                          ;中断返回

            END