timer0.lis

详细介绍Ｍ８两版间通讯

                        .module timer0.c
                        .area data(ram, con, rel)
 0000           _LedNum::
 0000                   .blkb 2
                        .area idata
 0000 0807              .byte 8,7
                        .area data(ram, con, rel)
 0002                   .blkb 2
                        .area idata
 0002 0605              .byte 6,5
                        .area data(ram, con, rel)
 0004                   .blkb 2
                        .area idata
 0004 0403              .byte 4,3
                        .area data(ram, con, rel)
 0006                   .blkb 2
                        .area idata
 0006 0201              .byte 2,1
                        .area data(ram, con, rel)
 0008                   .dbfile G:\Mega8程序\TCXO评估板\LedShow\timer0.c
 0008                   .dbsym e LedNum _LedNum A[8:8]c
                        .area vector(rom, abs)
                        .org 18
 0012 00C0              rjmp _timer0
                        .area data(ram, con, rel)
 0008                   .dbfile G:\Mega8程序\TCXO评估板\LedShow\timer0.c
 0008           L2:
 0008                   .blkb 1
                        .area idata
 0008 00                .byte 0
                        .area data(ram, con, rel)
 0009                   .dbfile G:\Mega8程序\TCXO评估板\LedShow\timer0.c
 0009           L3:
 0009                   .blkb 1
                        .area idata
 0009 00                .byte 0
                        .area data(ram, con, rel)
 000A                   .dbfile G:\Mega8程序\TCXO评估板\LedShow\timer0.c
                        .area text(rom, con, rel)
 0000                   .dbfile G:\Mega8程序\TCXO评估板\LedShow\timer0.c
 0000                   .dbfunc e timer0 _timer0 fV
 0000                   .dbsym s cTimes L3 c
 0000                   .dbsym s cPos L2 c
                        .even
 0000           _timer0::
 0000 00D0              rcall push_lset
 0002                   .dbline -1
 0002                   .dbline 7
 0002           ; #include <iom8v.h>
 0002           ; #include <macros.h>
 0002           ; extern void spark(unsigned char pos,unsigned char num);
 0002           ; unsigned char LedNum[8]={8,7,6,5,4,3,2,1};
 0002           ; #pragma interrupt_handler timer0:10
 0002           ; void timer0(void)
 0002           ;   {
 0002                   .dbline 17
 0002           ;    static unsigned char cPos=0;
 0002           ;    static unsigned char cTimes=0;
 0002           ;    /*
 0002           ;    if (++cTimes==1)
 0002           ;       {
 0002           ;          cTimes=0;
 0002           ;          cPos++;
 0002           ;          }
 0002           ;        */
 0002           ;        cPos++;
 0002 80910800          lds R24,L2
 0006 8F5F              subi R24,255    ; addi 1
 0008 80930800          sts L2,R24
 000C                   .dbline 18
 000C           ;    cPos&=0b00001111;
 000C 8F70              andi R24,15
 000E 80930800          sts L2,R24
 0012                   .dbline 19
 0012           ;    spark(cPos,LedNum[cPos]);   
 0012 80E0              ldi R24,<_LedNum
 0014 90E0              ldi R25,>_LedNum
 0016 E0910800          lds R30,L2
 001A FF27              clr R31
 001C E80F              add R30,R24
 001E F91F              adc R31,R25
 0020 2081              ldd R18,z+0
 0022 00910800          lds R16,L2
 0026 00D0              rcall _spark
 0028                   .dbline -2
 0028           L1:
 0028 00D0              rcall pop_lset
 002A                   .dbline 0 ; func end
 002A 1895              reti
 002C                   .dbend
 002C                   .dbfunc e timer0_init _timer0_init fV
                        .even
 002C           _timer0_init::
 002C                   .dbline -1
 002C                   .dbline 22
 002C           ;    }
 002C           ; void timer0_init(void)
 002C           ;   {
 002C                   .dbline 23
 002C           ;    TIMSK|=0x01;
 002C 89B7              in R24,0x39
 002E 8160              ori R24,1
 0030 89BF              out 0x39,R24
 0032                   .dbline 24
 0032           ;    TCCR0=0x03;//分频系数8（1/8）
 0032 83E0              ldi R24,3
 0034 83BF              out 0x33,R24
 0036                   .dbline 25
 0036           ;    TCNT0=0xdf;//预置数
 0036 8FED              ldi R24,223
 0038 82BF              out 0x32,R24
 003A                   .dbline -2
 003A           L4:
 003A                   .dbline 0 ; func end
 003A 0895              ret
 003C                   .dbend