delay.s

使用Attiny24的T0、T1两个定时器产生2路的PWM波,一路8位,一路10位

	.module delay.c
	.area text(rom, con, rel)
	.dbfile F:\Programme\PWM\delay.c
	.dbfunc e Delay_1ms _Delay_1ms fV
;              i -> R16,R17
	.even
_Delay_1ms::
	.dbline -1
	.dbline 6
; #include "iot24v.h"
; #include "macros.h"
; #include "selffile.h"
; 
; void  Delay_1ms(void)
; {
	.dbline 8
;     unsigned int  i;
; 	for(i=1;i<1142;i++)
	ldi R16,1
	ldi R17,0
	xjmp L5
L2:
	.dbline 9
; 	;
L3:
	.dbline 8
	subi R16,255  ; offset = 1
	sbci R17,255
L5:
	.dbline 8
	cpi R16,118
	ldi R30,4
	cpc R17,R30
	brlo L2
X0:
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.dbfunc e Delay_nms _Delay_nms fV
;              i -> R20,R21
;              n -> R10,R11
	.even
_Delay_nms::
	xcall push_xgset300C
	movw R10,R16
	.dbline -1
	.dbline 13
; }
; 
; void  Delay_nms(unsigned int  n)
; {
	.dbline 15
;     unsigned int i;
; 	WDR();
	wdr
	.dbline 16
; 	for(i=0;i<n;i++)
	clr R20
	clr R21
	xjmp L10
L7:
	.dbline 17
; 	   Delay_1ms();
	xcall _Delay_1ms
L8:
	.dbline 16
	subi R20,255  ; offset = 1
	sbci R21,255
L10:
	.dbline 16
	cp R20,R10
	cpc R21,R11
	brlo L7
X1:
	.dbline -2
L6:
	.dbline 0 ; func end
	xjmp pop_xgset300C
	.dbsym r i 20 i
	.dbsym r n 10 i
	.dbend
; }