slaverspi.s

Single_Spi-发送Si ngle_Spi-发送Single_Spi-发送

	.module SlaverSpi.c
	.area text(rom, con, rel)
	.dbfile E:\study\IccAvr\SPI\SlaverSpi.c
	.dbfunc e delay _delay fV
;              i -> R16,R17
	.even
_delay::
	.dbline -1
	.dbline 5
; #include "io8535V.h"
; #include "macros.h"
; 
; void delay()
; {
	.dbline 7
	clr R16
	clr R17
	rjmp L5
L2:
	.dbline 7
L3:
	.dbline 7
	subi R16,255  ; offset = 1
	sbci R17,255
L5:
	.dbline 7
;   unsigned int i;
;   for(i=0;i<0xff;i++);
	cpi R16,255
	ldi R30,0
	cpc R17,R30
	brlo L2
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.area vector(rom, abs)
	.org 20
	rjmp _Spi_fun
	.area text(rom, con, rel)
	.dbfile E:\study\IccAvr\SPI\SlaverSpi.c
	.dbfunc e Spi_fun _Spi_fun fV
;              i -> R16
	.even
_Spi_fun::
	st -y,R2
	st -y,R16
	st -y,R17
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 12
; }
; #pragma interrupt_handler Spi_fun:11
; 
; void Spi_fun()
; {
	.dbline 13
;   unsigned char i=0;
	clr R16
	.dbline 14
;   PORTA=i++;
	mov R2,R16
	subi R16,255    ; addi 1
	out 0x1b,R2
	.dbline -2
L6:
	ld R2,y+
	out 0x3f,R2
	ld R17,y+
	ld R16,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbsym r i 16 c
	.dbend
	.dbfunc e main _main fV
;              j -> R20
	.even
_main::
	.dbline -1
	.dbline 17
; }
; void main()
; {
	.dbline 20
;   unsigned char j;
;   
;   DDRB=0X00; 
	clr R2
	out 0x17,R2
	rjmp L9
L8:
	.dbline 22
;   while(1)
;   {
	.dbline 23
;   for(j=1;j<255;j++)
	ldi R20,1
	rjmp L14
L11:
	.dbline 24
	.dbline 25
	ldi R24,128
	out 0x3f,R24
	.dbline 26
	ldi R24,247
	out 0xd,R24
	.dbline 27
	rcall _delay
	.dbline 28
	out 0xf,R20
	.dbline 29
L12:
	.dbline 23
	inc R20
L14:
	.dbline 23
	cpi R20,255
	brlo L11
	.dbline 30
L9:
	.dbline 21
	rjmp L8
X0:
	.dbline -2
L7:
	.dbline 0 ; func end
	ret
	.dbsym r j 20 c
	.dbend