pwm.lst

avr输出单路占空比可调的pwm。希望对初学者有有所帮助

   1               		.file	"PWM.c"
   2               		.arch atmega16
   3               	__SREG__ = 0x3f
   4               	__SP_H__ = 0x3e
   5               	__SP_L__ = 0x3d
   6               	__tmp_reg__ = 0
   7               	__zero_reg__ = 1
   8               		.global __do_copy_data
   9               		.global __do_clear_bss
  17               	.Ltext0:
  18               	.global	main
  20               	main:
  21               	.LFB2:
  22               	.LM1:
  23               	/* prologue: frame size=0 */
  24               	/* prologue end (size=0) */
  25 0000 82E8      		ldi r24,lo8(-126)
  26 0002 8FBD      		out 79-0x20,r24
  27               	.LM2:
  28 0004 89E1      		ldi r24,lo8(25)
  29 0006 8EBD      		out 78-0x20,r24
  30               	.LM3:
  31 0008 80E2      		ldi r24,lo8(32)
  32 000a 81BB      		out 49-0x20,r24
  33               	.LM4:
  34 000c 8FEF      		ldi r24,lo8(2047)
  35 000e 97E0      		ldi r25,hi8(2047)
  36 0010 97BD      		out (70)+1-0x20,r25
  37 0012 86BD      		out 70-0x20,r24
  38               	.LM5:
  39 0014 80E0      		ldi r24,lo8(1280)
  40 0016 95E0      		ldi r25,hi8(1280)
  41 0018 9BBD      		out (74)+1-0x20,r25
  42 001a 8ABD      		out 74-0x20,r24
  43               	.LM6:
  44 001c 80E0      		ldi r24,lo8(0)
  45 001e 90E0      		ldi r25,hi8(0)
  46               	/* epilogue: frame size=0 */
  47 0020 0895      		ret
  48               	/* epilogue end (size=1) */
  49               	/* function main size 17 (16) */
  50               	.LFE2:
  76               	.Letext0:
DEFINED SYMBOLS
                            *ABS*:00000000 PWM.c
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/cckEXi7r.s:3      *ABS*:0000003f __SREG__
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/cckEXi7r.s:4      *ABS*:0000003e __SP_H__
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/cckEXi7r.s:5      *ABS*:0000003d __SP_L__
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/cckEXi7r.s:6      *ABS*:00000000 __tmp_reg__
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/cckEXi7r.s:7      *ABS*:00000001 __zero_reg__
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp/cckEXi7r.s:20     .text:00000000 main

UNDEFINED SYMBOLS
__do_copy_data
__do_clear_bss