RSEG CODE:CODE:NOROOT(1)
//  147 __interrupt void INT0_proc(void)
INT0_proc:
//  148 {
        ST      -Y, R17
        ST      -Y, R16
        IN      R17, 0x3F
//  149   unsigned char t=pos-1;
        LDS     R16, pos
        DEC     R16
//  150   if (PIND&0x01) t+=2;
        SBIC    0x09, 0x00
        SUBI    R16, 254
//  151   pos=t;
??INT0_proc_0:
        STS     pos, R16
//  152 }
        OUT     0x3F, R17
        LD      R16, Y+
        LD      R17, Y+
        RETI
        REQUIRE _A_PIND
//  153
//  154 #pragma vector=TIMER1_OVF_vect

        RSEG CODE:CODE:NOROOT(1)
//  155 __interrupt void T1_proc(void)
T1_proc:
//  156 {
        ST      -Y, R18
        ST      -Y, R17
        ST      -Y, R16
        IN      R18, 0x3F
//  157   unsigned char t;
//  158   __enable_interrupt();
        SEI
//  159   t=PORTC;
        IN      R16, 0x08
//  160   t<<=1;
        LSL     R16
//  161   if (PORTC&0x08) t=1;
        SBIC    0x08, 0x03
        LDI     R16, 1
//  162   PORTC=t;
??T1_proc_0:
        OUT     0x08, R16
//  163   TCNT1 = 0x10000 - 62500 / Frq;
        LDI     R16, 250
        LDI     R17, 255
        STS     133, R17
        STS     132, R16
//  164 }
        OUT     0x3F, R18
        LD      R16, Y+
        LD      R17, Y+
        LD      R18, Y+
        RETI
        REQUIRE _A_TCNT1
        REQUIRE _A_PORTC

avr-gcc ключи_как_при_компиляции -S foo.c

-Wa,-ahlmsd=$(<:.c=.lst)

-Wa,-ahlmsd=foo.lst

avr-objdump -d -S project.elf >project.dump