delay.lis

工控计数器ICCAVR的MAGE8程序LED数码显示+4键

                        .module delay.c
                        .area text(rom, con, rel)
 0000                   .dbfile E:\NumberDisplay\cfile\delay.c
 0000                   .dbfunc e delay_1us _delay_1us fV
                        .even
 0000           _delay_1us::
 0000                   .dbline -1
 0000                   .dbline 5
 0000           ; #define DELAY_C
 0000           ; #include "main.h"
 0000           ; #define XTAL 4    //晶振频率，单位MHz
 0000           ; void delay_1us(void)                 //1us延时函数
 0000           ;   {
 0000                   .dbline 6
 0000           ;    asm("nop");
 0000 0000              nop
 0002                   .dbline -2
 0002           L1:
 0002                   .dbline 0 ; func end
 0002 0895              ret
 0004                   .dbend
 0004                   .dbfunc e delay_nus _delay_nus fV
 0004           ;              i -> R20,R21
 0004           ;              n -> R22,R23
                        .even
 0004           _delay_nus::
 0004 00D0              rcall push_gset2
 0006 B801              movw R22,R16
 0008                   .dbline -1
 0008                   .dbline 10
 0008           ;   }
 0008           ; 
 0008           ; void delay_nus(unsigned int n)       //N us延时函数
 0008           ;   {
 0008                   .dbline 11
 0008           ;    unsigned int i=0;
 0008 4427              clr R20
 000A 5527              clr R21
 000C                   .dbline 12
 000C           ;    for (i=0;i<n;i++)
 000C 03C0              rjmp L6
 000E           L3:
 000E                   .dbline 13
 000E F8DF              rcall _delay_1us
 0010           L4:
 0010                   .dbline 12
 0010 4F5F              subi R20,255  ; offset = 1
 0012 5F4F              sbci R21,255
 0014           L6:
 0014                   .dbline 12
 0014 4617              cp R20,R22
 0016 5707              cpc R21,R23
 0018 D0F3              brlo L3
 001A                   .dbline -2
 001A           L2:
 001A 00D0              rcall pop_gset2
 001C                   .dbline 0 ; func end
 001C 0895              ret
 001E                   .dbsym r i 20 i
 001E                   .dbsym r n 22 i
 001E                   .dbend
 001E                   .dbfunc e delay_1ms _delay_1ms fV
 001E           ;              i -> R16,R17
                        .even
 001E           _delay_1ms::
 001E                   .dbline -1
 001E                   .dbline 17
 001E           ;    delay_1us();
 001E           ;   }
 001E           ;   
 001E           ; void delay_1ms(void)                 //1ms延时函数
 001E           ;   {
 001E                   .dbline 19
 001E 0027              clr R16
 0020 1127              clr R17
 0022 02C0              rjmp L11
 0024           L8:
 0024                   .dbline 19
 0024           L9:
 0024                   .dbline 19
 0024 0F5F              subi R16,255  ; offset = 1
 0026 1F4F              sbci R17,255
 0028           L11:
 0028                   .dbline 19
 0028           ;    unsigned int i;
 0028           ;    for (i=0;i<(unsigned int)(XTAL*143-2);i++);
 0028 0A33              cpi R16,58
 002A E2E0              ldi R30,2
 002C 1E07              cpc R17,R30
 002E D0F3              brlo L8
 0030                   .dbline -2
 0030           L7:
 0030                   .dbline 0 ; func end
 0030 0895              ret
 0032                   .dbsym r i 16 i
 0032                   .dbend
 0032                   .dbfunc e delay_nms _delay_nms fV
 0032           ;              i -> R20,R21
 0032           ;              n -> R22,R23
                        .even
 0032           _delay_nms::
 0032 00D0              rcall push_gset2
 0034 B801              movw R22,R16
 0036                   .dbline -1
 0036                   .dbline 23
 0036           ;   }
 0036           ;   
 0036           ; void delay_nms(unsigned int n)       //N ms延时函数
 0036           ;   {
 0036                   .dbline 24
 0036           ;    unsigned int i=0;
 0036 4427              clr R20
 0038 5527              clr R21
 003A                   .dbline 25
 003A           ;    for (i=0;i<n;i++)
 003A 04C0              rjmp L16
 003C           L13:
 003C                   .dbline 26
 003C                   .dbline 27
 003C F0DF              rcall _delay_1ms
 003E                   .dbline 28
 003E A895              wdr
 0040                   .dbline 29
 0040           L14:
 0040                   .dbline 25
 0040 4F5F              subi R20,255  ; offset = 1
 0042 5F4F              sbci R21,255
 0044           L16:
 0044                   .dbline 25
 0044 4617              cp R20,R22
 0046 5707              cpc R21,R23
 0048 C8F3              brlo L13
 004A                   .dbline -2
 004A           L12:
 004A 00D0              rcall pop_gset2
 004C                   .dbline 0 ; func end
 004C 0895              ret
 004E                   .dbsym r i 20 i
 004E                   .dbsym r n 22 i
 004E                   .dbend