buzzer.asm

应用松翰母体写的一款电磁炉

;********************************************************
;  PROJECT NAME : nimh charger				*
;  Author	: borg					*
;  VERSION	: V0.0			      		*
;  BODY		: SN8P2704a				*
;  COMPILER	: 1.99N					*
;  function	:					*
;  input	:					*
;  output	: tempvolt1_l, tempvolt1_h		*
;		  tempvolt2_l, tempvolt2_h		*
;  use register	: data1, data2, tempvolt1_l, tempvolt1_h*
;		  tempvolt2_l, tempvolt2_h		*
;  use flag	: dtemp1_f, dtemp2_f			*
;  run cycles	: 					*
; *******************************************************
mnbuzzer:
	b0bts1	buzzer_active_f
	jmp	mnbuzzer90
	bclr	buzzer_active_f
	b0bts0	buzzer_active_lf
	jmp	mnbuzzer10
	b0bts0	buzzer_active_sf
	jmp	mnbuzzer20
	b0bts0	buzzer_active_wf
	jmp	mnbuzzer30
	jmp	mnbuzzer90
mnbuzzer10:
	bclr	buzzer_active_lf
	bset	buzzer_en_lf
	bset 	buzzer_f
	mov	a,#40
	mov	tc1count0,a
	mov	tc1count0_copy,a

	bset 	buzzer_p
	jmp	mnbuzzer90
mnbuzzer20:
	bclr	buzzer_active_sf
	bset	buzzer_en_sf
	bset	buzzer_f
	mov	a,#15
	mov	tc1count0,a
	mov	tc1count0_copy,a

	bset	buzzer_p
	jmp	mnbuzzer90
mnbuzzer30:
	bclr	buzzer_active_wf
	bset	buzzer_en_wf
	bset	buzzer_f
	mov	a,#30
	mov	tc1count0,a
	mov	tc1count0_copy,a
	
	bset	buzzer_p
mnbuzzer90:
	ret