main.s

ATmega128单片机开发板原理图

	.module main.c
	.area text(rom, con, rel)
	.dbfile E:\DOCUME~1\Administrator\桌面\源程序\main.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 9
; //ICC-AVR application builder : 2008-2-22 9:34:31
; // Target : M128
; // Crystal: 14.7456Mhz
; 
; #include <iom128v.h>
; #include <macros.h>
; 
; void port_init(void)
; {
	.dbline 10
;  PORTA = 0x00;
	clr R2
	out 0x1b,R2
	.dbline 11
;  DDRA  = 0x00;
	out 0x1a,R2
	.dbline 12
;  PORTB = 0x00;
	out 0x18,R2
	.dbline 13
;  DDRB  = 0x00;
	out 0x17,R2
	.dbline 14
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 15
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 16
;  PORTD = 0x00;
	out 0x12,R2
	.dbline 17
;  DDRD  = 0x00;
	out 0x11,R2
	.dbline 18
;  PORTE = 0x00;
	out 0x3,R2
	.dbline 19
;  DDRE  = 0x00;
	out 0x2,R2
	.dbline 20
;  PORTF = 0x00;
	sts 98,R2
	.dbline 21
;  DDRF  = 0x00;
	sts 97,R2
	.dbline 22
;  PORTG = 0x00;
	sts 101,R2
	.dbline 23
;  DDRG  = 0x00;
	sts 100,R2
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 28
; }
; 
; //call this routine to initialize all peripherals
; void init_devices(void)
; {
	.dbline 30
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 31
;  XDIV  = 0x00; //xtal divider
	clr R2
	out 0x3c,R2
	.dbline 32
;  XMCRA = 0x00; //external memory
	sts 109,R2
	.dbline 33
;  port_init();
	xcall _port_init
	.dbline 35
; 
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 36
;  EICRA = 0x00; //extended ext ints
	sts 106,R2
	.dbline 37
;  EICRB = 0x00; //extended ext ints
	out 0x3a,R2
	.dbline 38
;  EIMSK = 0x00;
	out 0x39,R2
	.dbline 39
;  TIMSK = 0x00; //timer interrupt sources
	out 0x37,R2
	.dbline 40
;  ETIMSK = 0x00; //extended timer interrupt sources
	sts 125,R2
	.dbline 41
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e delay _delay fV
;              x -> R16
;              y -> R18
;              z -> R20
	.even
_delay::
	st -y,R20
	.dbline -1
	.dbline 46
;  //all peripherals are now initialized
; }
; 
; void delay()
; {
	.dbline 48
;  unsigned char x,y,z;
;  for(x=0;x<127;x++)
	clr R16
	xjmp L7
L4:
	.dbline 49
;    for(y=0;y<127;y++)
	clr R18
	xjmp L11
L8:
	.dbline 50
;      for(z=0;z<127;z++);
	clr R20
	xjmp L15
L12:
	.dbline 50
L13:
	.dbline 50
	inc R20
L15:
	.dbline 50
	cpi R20,127
	brlo L12
X0:
L9:
	.dbline 49
	inc R18
L11:
	.dbline 49
	cpi R18,127
	brlo L8
X1:
L5:
	.dbline 48
	inc R16
L7:
	.dbline 48
	cpi R16,127
	brlo L4
X2:
	.dbline -2
L3:
	.dbline 0 ; func end
	ld R20,y+
	ret
	.dbsym r x 16 c
	.dbsym r y 18 c
	.dbsym r z 20 c
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 54
; }
; 
; void main(void)
; {
	.dbline 55
;  init_devices();
	xcall _init_devices
	.dbline 57
;  //insert your functional code here...
;  DDRA=0x0F;
	ldi R24,15
	out 0x1a,R24
	.dbline 58
;  for(;;){
L17:
	.dbline 58
	.dbline 59
;   PORTA=0x00;
	clr R2
	out 0x1b,R2
	.dbline 60
;   delay();
	xcall _delay
	.dbline 61
;   PORTA=0x0D;
	ldi R24,13
	out 0x1b,R24
	.dbline 62
;   delay();
	xcall _delay
	.dbline 63
;   PORTA=0x0B;
	ldi R24,11
	out 0x1b,R24
	.dbline 64
;   delay();
	xcall _delay
	.dbline 65
;   PORTA=0x07;
	ldi R24,7
	out 0x1b,R24
	.dbline 66
;   delay();
	xcall _delay
	.dbline 67
;   PORTA=0x0B;
	ldi R24,11
	out 0x1b,R24
	.dbline 68
;   delay();
	xcall _delay
	.dbline 69
;   PORTA=0x0D;
	ldi R24,13
	out 0x1b,R24
	.dbline 70
;   delay();
	xcall _delay
	.dbline 71
;   PORTA=0x0E;
	ldi R24,14
	out 0x1b,R24
	.dbline 72
;   delay();
	xcall _delay
	.dbline 73
;  }
	.dbline 58
	.dbline 58
	xjmp L17
X3:
	.dbline -2
L16:
	.dbline 0 ; func end
	ret
	.dbend
; }
;