main.s

自己总结的avr自学实验小程序

	.module main.c
	.area text(rom, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
	.dbfunc e delay_ms _delay_ms fV
;              i -> R20,R21
;           time -> R16,R17
	.even
_delay_ms::
	xcall push_gset1
	.dbline -1
	.dbline 10
; /***********************************
; *实验目的：熟悉SPI操作及数码管显示
; *设    计：萧联珠
; *日    期：2007-11-20
; ************************************/
; #include <iom16v.h>
; #include "cfg.h"
; 
; unsigned char disp[10] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
; 
	.dbline 12
; 
; void main(void) 
	xjmp L5
L2:
	.dbline 13
	clr R20
	clr R21
L6:
	.dbline 13
L7:
	.dbline 13
	subi R20,255  ; offset = 1
	sbci R21,255
	.dbline 13
	cpi R20,232
	ldi R30,3
	cpc R21,R30
	brlt L6
L3:
	.dbline 12
	subi R16,1
	sbci R17,0
L5:
	.dbline 12
	clr R2
	clr R3
	cp R2,R16
	cpc R3,R17
	brlt L2
	.dbline -2
L1:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 I
	.dbsym r time 16 I
	.dbend
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 18
; {
; 
; 	unsigned char i = 0;
; 	unsigned int flag_num;
; 
; 	DDRB = 0xFF;						/*PB口设置为输出*/
	.dbline 19
; 	PORTB = 0xF0;						/*选通数码管*/
	sbi 0x11,5
	.dbline 20
; 
	sbi 0x12,5
	.dbline -2
L10:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e SPI_MasterInit _SPI_MasterInit fV
	.even
_SPI_MasterInit::
	.dbline -1
	.dbline 24
; 	SPI_MasterInit();
; 	
; 	while (1) 
; 	{  
	.dbline 26
; 	   for(flag_num=0;flag_num<10;flag_num++)
; 	   {
	in R24,0x17
	ori R24,160
	out 0x17,R24
	.dbline 27
; 		SPI_595_Out(disp[flag_num]);
	ldi R24,83
	out 0xd,R24
	.dbline -2
L11:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e SPI_MasterTransmit _SPI_MasterTransmit fV
;              i -> R16
	.even
_SPI_MasterTransmit::
	.dbline -1
	.dbline 33
; 		delay_ms(200);
; 		}
;     }
; }
; }
; }
	.dbline 35
; }
; }
	out 0xf,R16
L13:
	.dbline 36
L14:
	.dbline 36
; }
	sbis 0xe,7
	rjmp L13
	.dbline -2
L12:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 c
	.dbend
	.dbfunc e SPI_595_Out _SPI_595_Out fV
;              i -> R20
	.even
_SPI_595_Out::
	xcall push_gset1
	mov R20,R16
	.dbline -1
	.dbline 41
; }
; }
; }
; }
; }
	.dbline 42
; }
	cbi 0x18,4
	.dbline 43
; }
	mov R16,R20
	xcall _SPI_MasterTransmit
	.dbline 44
; }
	sbi 0x18,4
	.dbline -2
L16:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 c
	.dbend
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
_disp::
	.blkb 2
	.area idata
	.byte 192,249
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
	.blkb 2
	.area idata
	.byte 164,176
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
	.blkb 2
	.area idata
	.byte 153,146
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
	.blkb 2
	.area idata
	.byte 130,248
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
	.blkb 2
	.area idata
	.byte 128,144
	.area data(ram, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验/cfg.h
	.dbfile D:\AVR\我的程序\同步串口SPI实验\main.c
	.dbsym e disp _disp A[10:10]c
	.area text(rom, con, rel)
	.dbfile D:\AVR\我的程序\同步串口SPI实验\main.c
	.dbfunc e main _main fV
;              i -> R20
;       flag_num -> R20,R21
	.even
_main::
	.dbline -1
	.dbline 13
	.dbline 15
	clr R20
	.dbline 18
	ldi R24,255
	out 0x17,R24
	.dbline 19
	ldi R24,240
	out 0x18,R24
	.dbline 21
	xcall _SPI_MasterInit
	xjmp L19
L18:
	.dbline 24
	.dbline 25
	clr R20
	clr R21
	xjmp L24
L21:
	.dbline 26
	.dbline 27
	ldi R24,<_disp
	ldi R25,>_disp
	movw R30,R20
	add R30,R24
	adc R31,R25
	ldd R16,z+0
	xcall _SPI_595_Out
	.dbline 28
	ldi R16,200
	ldi R17,0
	xcall _delay_ms
	.dbline 29
L22:
	.dbline 25
	subi R20,255  ; offset = 1
	sbci R21,255
L24:
	.dbline 25
	cpi R20,10
	ldi R30,0
	cpc R21,R30
	brlo L21
	.dbline 30
L19:
	.dbline 23
	xjmp L18
X0:
	.dbline -2
L17:
	.dbline 0 ; func end
	ret
	.dbsym r i 20 c
	.dbsym r flag_num 20 i
	.dbend