Brauche Hilfe mit C->ARM-Assembler

void __attribute__ ((interrupt("IRQ"))) cam_hsync()

{

  for(register int i=0;i<88;i++)

  {

    while(!(FIO0PIN&(1<<15)));//warte bis FIO0PIN.15==1

    *(pixelpointer++)=FIO1PINU; //speichere FIO0PIN2 in [pixelpointer] und erhöhe ihn

    while(FIO0PIN&(1<<15));//warte bis FIO0PIN.15==0

    while(!(FIO0PIN&(1<<15)));//warte bis FIO0PIN.15==1

    while(FIO0PIN&(1<<15));//warte bis FIO0PIN.15==0

  }

  if(hsynccount)

  {

    pixelpointer-=88;

    hsynccount=0;

  }

  else hsynccount=1;

  vsync=0;

  EXTINT=(1<<3);//Extint-flag löschen

  VICVectAddr = 0; // Interrupt im VIC bestätigen

}

void __attribute__ ((interrupt("IRQ"))) cam_hsync()

{

asm(

"LDR R0,=0x3FFFC014\n" //Adresse von FIO0PIN

"MOV R1,#88 \n"//i=88

"LDR R4,=pixelpointer \n"//adresse von pixelpointer

"LDR R2,[r4]\n" //r2=pixelpointer

//warte bis FIO0PIN.15==1

"for_schleife:\n"

"LDR r3,[r0]\n" //r3=FIO0PIN

"ANDS R3,#0x8000\n" //AND r3,(1<<15)

"BEQ for_schleife\n" //if(FIO0PIN.15==0) goto for_schleife

//*(pixelpointer++)=FIO1PINU

"LDRB R3,[R0,#0x22]\n"//r3=FIO1PIN2

"STRB R3,[r2],#1\n" //*pixelpointer++=r3

//warte bis FIO0PIN.15==0

"w_u_c0:\n"

"LDR r3,[r0]\n" //r3=FIO0PIN

"ANDS r3,#0x8000\n" //and r3,(1<<15)

"BNE w_u_c0\n" //if(FIO0PIN.15==1) goto w_u_c0

//warte bis FIO0PIN.15==1

"w_u_s1:\n"

"LDR r3,[r0]\n" //r3=FIO0PIN

"ANDS r3,#0x8000\n" //and r3,(1<<15)

"BEQ w_u_s1\n" //if(FIO0PIN.15==0) goto w_u_s1

//warte bis FIO0PIN.15==0

"w_u_c1:"

"LDR r3,[r0]\n" //r3=FIO0PIN

"ANDS r3,#0x8000\n" //and r3,(1<<15)

"BNE w_u_c1\n" //if(FIO0PIN.15==1) goto w_u_c1

//for(i=88;i>0;i--)

"SUBS r1,#1\n" //i--

"BNE for_schleife\n"//if(i!=0)goto for_schleife

"STR R2,[r4]\n"//speichere pixelpointer

);

  if(hsynccount)

  {

    pixelpointer-=88;

    hsynccount=0;

  }

  else hsynccount=1;

  vsync=0;

  EXTINT=(1<<3);

  VICVectAddr = 0; // Interrupt im VIC bestätigen

}