shift.asm

来自「透明传输的DTU。实现配置：microchip 18F6520,协议DL/T64」· 汇编 代码 · 共 30 行

	#include 	<P18F6520.INC>

	EXTERN Text1,Text2,Text3
	
	CODE
SMSText
	GLOBAL	SMSText 	; export so linker can see it

	bcf		STATUS,C
	btfss	Text1,0x07
	goto	ST0
	bsf		STATUS,C
	bcf		Text1,0x07
	
ST0
	rlcf	Text2,f
	rlcf	Text3,f

	bcf		STATUS,C
	btfss	Text2,0x07
	goto	ST1
	bsf		STATUS,C
	bcf		Text2,0x07
	
ST1
	rlcf	Text3,f
	return

	END