bank.mac

来自「pic bootloader 用于PIC单片机的主程序下载」· MAC 代码 · 共 26 行

;-----------------------------------------------------------------------------
;Macros to select the register bank
;Many bank changes can be optimised when only one STATUS bit changes

Bank0		MACRO			;macro to select data RAM bank 0
		bcf	STATUS,RP0
		bcf	STATUS,RP1
		ENDM

Bank1		MACRO			;macro to select data RAM bank 1
		bsf	STATUS,RP0
		bcf	STATUS,RP1
		ENDM

Bank2		MACRO			;macro to select data RAM bank 2
		bcf	STATUS,RP0
		bsf	STATUS,RP1
		ENDM

Bank3		MACRO			;macro to select data RAM bank 3
		bsf	STATUS,RP0
		bsf	STATUS,RP1
		ENDM