Problem using SPI with ISD1760 module

Using Arduino Programming Questions
1

Hi can someone please help me with the following code.I have two messages recorded onto the ISD1760 module and am trying to talk to it via SPI,however when i power up it cycles through and play's the two messages just one time and then sticks and just repeats the second message constantly.Any help will be very much appreciated.

#define PU          0x01
 #define PLAY 0x40
 #define FWD  0x48
 #define CLR_INT     0x04
 #define DATAOUT     11   //mosi
 #define DATAIN      12   //miso
 #define SPICLOCK    13   //sck
 #define SLAVESELECT 10   //ss
 void setup() {
  
  
  byte clr;
 pinMode(DATAOUT, OUTPUT);
 pinMode(DATAIN, INPUT);
 pinMode(SPICLOCK,OUTPUT);
 pinMode(SLAVESELECT,OUTPUT);
 digitalWrite(SLAVESELECT,HIGH); //disable device  
 SPCR = B01111111; //data lsb, clock high when idle, samples on falling
 clr=SPSR;
 clr=SPDR;
 delay(10);


  digitalWrite(SLAVESELECT,LOW);
 spi_transfer(PU); // power up
 spi_transfer(0x00); // data byte
 digitalWrite(SLAVESELECT,HIGH);
 delay(100);  

 digitalWrite(SLAVESELECT,LOW);
 spi_transfer(CLR_INT); // clear interupt and eom bit
 spi_transfer(0x00); // data byte
 digitalWrite(SLAVESELECT,HIGH);
 delay(100);

}

char spi_transfer(volatile char data)
{
 SPDR = data;                    // Start the transmission
 while (!(SPSR & (1<<SPIF)))     // Wait for the end of the transmission
 {
 };
 return SPDR;                    // return the received byte
}   

 void loop() {
   
   digitalWrite(SLAVESELECT,LOW);
 spi_transfer(CLR_INT); // clear interupt and eom bit
 spi_transfer(0x00); // data byte
 digitalWrite(SLAVESELECT,HIGH);
 delay(100);
  
  digitalWrite(SLAVESELECT,LOW);
 spi_transfer(PLAY); // clear interupt and eom bit
 spi_transfer(0x00); // data byte
 digitalWrite(SLAVESELECT,HIGH);
 delay(100);
 
 
 digitalWrite(SLAVESELECT,LOW);
 spi_transfer(FWD); // clear interupt and eom bit
 spi_transfer(0x00); // data byte
 digitalWrite(SLAVESELECT,HIGH);
 delay(100);
 
 
 digitalWrite(SLAVESELECT,LOW);
 spi_transfer(CLR_INT); // clear interupt and eom bit
 spi_transfer(0x00); // data byte
 digitalWrite(SLAVESELECT,HIGH);
 delay(100);
 
}
2

Managed to sort things out myself,for anyone who may find this useful the code is below.This code will cycle through all the messages that are recorded on your chip.

#include <SPI.h>
//opcodes
#define PU          0x01
#define CLR_INT     0x04
#define PLAY        0x40
#define FWD         0x48
const int Slaveselect=10;


  void setup() {
    
  SPI.begin();
  SPI.setBitOrder(LSBFIRST);
  SPI.setDataMode(SPI_MODE3);
  pinMode(Slaveselect,OUTPUT);
  
  digitalWrite(Slaveselect,LOW);
  SPI.transfer(PU); // power up
  SPI.transfer(0x00); 
  digitalWrite(Slaveselect,HIGH);
  delay(100);
 
 digitalWrite(Slaveselect,LOW);
 SPI.transfer(CLR_INT); // clear interupt 
 SPI.transfer(0x00); 
 digitalWrite(Slaveselect,HIGH);
 delay(100);
 
}

void loop() {
  
 digitalWrite(Slaveselect,LOW);
 SPI.transfer(PLAY); // play
 SPI.transfer(0x00); // data byte
 digitalWrite(Slaveselect,HIGH);
 delay(5000);
 
 digitalWrite(Slaveselect,LOW);
 SPI.transfer(FWD); // play
 SPI.transfer(0x00); // data byte
 digitalWrite(Slaveselect,HIGH);
 delay(100);
 
 }
3

Could you tell me how to play one sound? I can not do it, he runs all his, although I removing the command 'fwd'.