runtime.s

使用iccavr的例子

	.module runtime.c
	.text
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c
	.area vector(abs)
	.org 56
	jmp _RuntimeInterrupt
	.area text
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c
	.dbfunc s RuntimeInitialise _RuntimeInitialise fI
	.even
_RuntimeInitialise::
	.dbline 15{
; /* ATmega103 runtime.c file
; 
;    Author : Robert Stuart
;    Company : PDL Industries
;    Date of Creation : 21 July 1999
;    Tested : not yet
; 
;    Function :
; */
; 
; /* include */
; #include "runtime.h"
; 
; void RuntimeInitialise( void )
; {
	.dbline 16
;   TCCR1B = 0; 			/* Stop T1 */
	clr R2
	out 0x2e,R2
	.dbline 17
;   TCNT1 = 0;			/* Clear T1 */
	clr R3
	sts 76+1,R3
	sts 76,R2
	.dbline 18
;   OCR1A = _1MS_INTERRUPT;		/* Set Compare A - 1ms for a 6MHz clock */
	ldi R24,112
	ldi R25,23
	sts 74+1,R25
	sts 74,R24
	.dbline 19
;   TIMSK = BIT(OCIE1A);		/* Compare A interrupt enabled */
	ldi R24,16
	out 0x37,R24
	.dbline 20
;   TCCR1B = BIT(CS10) | BIT(CTC1);
	ldi R24,9
	out 0x2e,R24
	.dbline 21}
; }
L1:
	ret
	.area bss
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c
L3:
	.blkb 2
L4:
	.blkb 1
	.area text
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c
	.dbfunc s RuntimeInterrupt _RuntimeInterrupt fI
	.dbsym s seconds L4 c
	.dbsym s delay L3 I
;            str -> y+2
	.even
_RuntimeInterrupt::
	call push_lset
	sbiw R28,19
	.dbline 24{
; 
; void RuntimeInterrupt( void )
; {
	.dbline 29
;   static int delay;
;   static char seconds;
;   char str[17];
; 
;   if ( ++delay == _1000MS )
	lds R25,L3+1
	lds R24,L3
	adiw R24,1
	mov R2,R24
	mov R3,R25
	sts L3+1,R3
	sts L3,R2
	mov R24,R2
	mov R25,R3
	cpi R24,232
	ldi R24,3
	cpc R25,R24
	brne L5
	.dbline 30
;   {
	.dbline 31
;     if ( ++seconds == 60 )
	lds R24,L4
	subi R24,255	; addi 1
	mov R2,R24
	sts L4,R2
	mov R24,R2
	cpi R24,60
	brne L7
	.dbline 32
;       seconds = 0;
	clr R2
	sts L4,R2
L7:
	.dbline 33
;     sprintf( str, "Seconds %d", seconds);
	lds R2,L4
	clr R3
	std y+0,R2
	std y+1,R3
	ldi R18,<L9
	ldi R19,>L9
	mov R24,R28
	mov R25,R29
	adiw R24,2
	mov R16,R24
	mov R17,R25
	call _sprintf
	.dbline 34
;     LCDPrintf( str, "ATmega103" );
	ldi R18,<L10
	ldi R19,>L10
	mov R24,R28
	mov R25,R29
	adiw R24,2
	mov R16,R24
	mov R17,R25
	call _LCDPrintf
	.dbline 35
;     delay = 0;
	clr R2
	clr R3
	sts L3+1,R3
	sts L3,R2
	.dbline 36
;   }
L5:
	.dbline 38
;   
;   DelayLCDStartup(); 
	call _DelayLCDStartup
	.dbline 40
;     
;   WDR;
	WDR
	.dbline 41}
; }
L2:
	adiw R28,19
	call pop_lset
	reti
	.dbsym l str 2 Ac[17:17]
	.area data
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c
L10:
	.blkb 10
	.area idata
	.byte 'A,'T,'m,'e,'g,'a,49,48,51,0
	.area data
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c
L9:
	.blkb 11
	.area idata
	.byte 'S,'e,'c,'o,'n,'d,'s,32,37,'d,0
	.area data
	.dbfile C:\Documents\Software\AVR\lcd16x2\code\runtime.c