int_one.lis

AVR基本外设测试程序

                        .module INT_ONE.C
                        .area vector(rom, abs)
                        .org 4
 0004 00C0              rjmp _int0_ovf
                        .area bss(ram, con, rel)
 0000           L2:
 0000                   .blkb 2
                        .area text(rom, con, rel)
 0000                   .dbfile C:\avr3\INT_ONE.C
 0000                   .dbfunc e int0_ovf _int0_ovf fV
 0000                   .dbsym s tms L2 i
                        .even
 0000           _int0_ovf::
 0000 2A92              st -y,R2
 0002 3A92              st -y,R3
 0004 2FB6              in R2,0x3f
 0006 2A92              st -y,R2
 0008                   .dbline -1
 0008                   .dbline 5
 0008           ; #include"sga.h" 
 0008           ; /*=============外部中断一 函数==============*/
 0008           ; #pragma interrupt_handler int0_ovf:3
 0008           ; void int0_ovf(void)
 0008           ; {
 0008                   .dbline 7
 0008           ;   static unsigned int tms;
 0008           ;   tms=TMS;
 0008 20900000          lds R2,_TMS
 000C 30900100          lds R3,_TMS+1
 0010 30920100          sts L2+1,R3
 0014 20920000          sts L2,R2
 0018                   .dbline -2
 0018           L1:
 0018 2990              ld R2,y+
 001A 2FBE              out 0x3f,R2
 001C 3990              ld R3,y+
 001E 2990              ld R2,y+
 0020                   .dbline 0 ; func end
 0020 1895              reti
 0022                   .dbend