void static inline Signal_OUT(const uint8_t *signal, uint8_t ad2, uint8_t ad1, uint8_t ad0)
{
asm volatile(
   "eor r18, r18 ;r18<-0"                 "\n\t"
   "eor r19, r19 ;r19<-0"                 "\n\t"
"1:"                                     "\n\t"
  "add r18, %0;1 cycle"                "\n\t"
  "adc r19, %1;1 cycle"                "\n\t"    
  "adc %A3, %2;1 cycle"                "\n\t"
  "lpm     ;3 cycles"              "\n\t"
  "out %4, __tmp_reg__;1 cycle"    "\n\t"
  "sbis %5, 2;1 cycle if no skip" "\n\t"
  "rjmp 1b    ;2 cycles. Total 10 cycles"    "\n\t"
  :
  :"r" (ad0),"r" (ad1),"r" (ad2),"e" (signal),"I" (_SFR_IO_ADDR(PORTA)), "I" (_SFR_IO_ADDR(SPCR))
  :"r18", "r19"
);
}

// File: example.c
// Title: Example
// Version: 1.4
// Last updated: 09.03.13
// Author: GM
//Target: ATmega324PA (16MHz operating frequency)
//
// Support E-mail: xxxxx@xxxx.ru
//
// DESCRIPTION
// The routine measures
#define F_CPU 16000000UL //16MHz
#define PI 3.14159265359L
#include <avr/io.h>
#include <avr/sfr_defs.h>
#include <avr/pgmspace.h>

extern void mactest(void);
extern void asmroutine(void);

long long volatile re0=0;
long long volatile uval;
long volts[20] __attribute__ ((section (".block80")));
int ptra,ptrb;
unsigned char tab10k/ / __attribute__ ((section (".gentable")));
unsigned char tab10k/380/ =
{
128,137,147,157,167,176,185,194,
202,210,217,224,230,236,241,245,

248,251,253,254,255,254,253,251,
248,245,241,236,230,224,217,210
};

int main (void)
{
double num,R0;
int i,j;

mactest();

while(1) //loop forever
{
asmroutine();

re1=0;

im1=im1+(((long long)volts[j++])*((long long)sin10[i]));

}
}


;File: asmroutine.ASM
;Title: asm subroutine example
;Version: 1.1
;Last updated: 01.06.11
;Author: GM
;Target: ATmega324PA (16MHz operating frequency)
;
;Support E-mail: xxxxxx@xxxx.ru
;
;DESCRIPTION
; -----------------------

.nolist
#include <avr/io.h> // Include device specific definitions
.list
;#define tmp1 r16;
;#define rs 0
;#define rw 1
;#define e 2
;#define rst 6;
;#define cs 5;
;#define sclk 4;
;#define sda 3;

#define c0 r8
#define c1 r9
#define c2 r10
#define c3 r11
#define d0 r12
#define d1 r13
#define d2 r14
#define d3 r15
#define zl r30
#define zh r31

.global tab25k
.global re0
.global im0
.global asmroutine
.func asmroutine
asmroutine:
ldi ZL,lo8(tab25k)
ldi ZH,hi8(tab25k)

clr c0
clr c1

clr d1

asm1: lpm r0,Z+
lds c0,re0+0
lds c1,re0+1

add c0,d0

adc c1,d1
adc c2,d2

sts re0+1,c1
sts re0+2,c2
sts re0+3,c3

; rjmp asm1
ret

.endfunc