SELRB1		MACRO
		setb 	psw.3
		ENDM
SELRB0		MACRO
		clr	psw.3
		ENDM
;
SETBIT		MACRO 	ad,dat
		mov	dptr,#ad
		movx	a,@dptr
		setb	acc.dat
		movx	@dptr,a
		ENDM
;
CLRBIT		MACRO	ad,dat
		mov	dptr,#ad
		movx	a,@dptr
		clr	acc.dat
		movx	@dptr,a
		ENDM
;
CLR_USB_IRQ	MACRO
		mov	a,EXIF
		clr	acc.4
		mov	EXIF,a
		ENDM
;
ENABLE_USB_INTS	MACRO
		setb	EIE.0
		ENDM
DISABLE_USB_INTS MACRO
		clr	EIE.0
		ENDM
ENABLE_USB_AV	MACRO
		SETBIT	INTSETUP,bAV2EN
		ENDM
CLEAR_USB_IRQ	MACRO
		CLRBIT EXIF,bINT2
		ENDM

;
JBH		MACRO 	ad,b,des	; jump on bit high
		mov	dptr,#ad
		movx	a,@dptr
		jb	acc.b,des
		ENDM

JBL		MACRO 	ad,b,des	; jump on bit low
		mov	dptr,#ad
		movx	a,@dptr
		jnb	acc.b,des
		ENDM
;
LDREG		MACRO 	ad,val		; Set register with value
		mov	a,val
		mov	dptr,#ad
		movx	@dptr,a
		ENDM
;
PUSHALL		MACRO
		push	dpl
		push 	dph
		push	acc
		ENDM
;
POPALL		MACRO
		pop	acc
		pop	dph
		pop	dpl
		ENDM
;
L1_ON		MACRO
		mov	dptr,#0B000h
		movx	a,@dptr
		ENDM
L2_ON		MACRO
		mov	dptr,#0A000h
		movx	a,@dptr
		ENDM
L3_ON		MACRO
		mov	dptr,#09000h
		movx	a,@dptr
		ENDM
L4_ON		MACRO
		mov	dptr,#08000h
		movx	a,@dptr
		ENDM
L1_OFF		MACRO
		mov	dptr,#0B100h
		movx	a,@dptr
		ENDM
L2_OFF		MACRO
		mov	dptr,#0A100h
		movx	a,@dptr
		ENDM
L3_OFF		MACRO
		mov	dptr,#09100h
		movx	a,@dptr
		ENDM
L4_OFF		MACRO
		mov	dptr,#08100h
		movx	a,@dptr
		ENDM