Speak.c - the code

#include "qc.h"

//The timer control registers

#define TCR_0 (*(unsigned char *)0xffc8)
#define TCSR_0 (*(unsigned char *)0xffc9)
#define TCORA_0 (*(unsigned char *)0xffca)
#define TCORB_0 (*(unsigned char *)0xffcb)
#define TCNT_0 (*(unsigned char *)0xffcc)
#define STCR (*(unsigned char *)0xffc3)

#define WAIT_HZ 40 //The delay to give 16KHz

unsigned char speak[]={
0x21,0x00,0x11,0x22,0x33,0x21,0x11,0x21,0x11,0x01,0x00,0x00,0x00,0x00,0x00,0x01,
0x11,0x35,0x49,0xFF,0xE7,0x66,0x43,0xCD,0xDC,0xC9,0x54,0x21,0x56,0x30,0x24,0x53,
0x33,0x55,0x54,0x02,0x56,0x8A,0xBB,0x84,0x02,0x45,0x79,0x87,0x43,0x21,0x01,0x22,
0x22,0x22,0x33,0x11,0x00,0x00,0x01,0x10,0x00,0x00,0x10,0x01,0x11,0x00,0x11,0x11,


deletia... and lots of it!



0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};

int main()
{

	int j;
	unsigned char bDelay;

	LCDPrints(" READY");
	//give some control so we don't have to keep removing the batteries
	while (getc()==RUN)
	{
		LCDPrints(" RUN");
		
		//turn off all interupts
		__asm__ ("\torc #0x80,ccr\n");

		//Set the Timer Control Register 0 to 0 so nothing happens while we set things up
		TCR_0=0;
		

		//set the clock to increment the counter every 2 clock cycles - very quick!
		STCR = 0x00; //set bit 0
		TCR_0=9; //set bit 0 for 2x, bit 3 for clear count on A
		//set up the output to low on compare-match A, high on a compare match B
		TCSR_0=9;
		//32 gives reasonable control of the amplitude
		TCORA_0=32;				
		
		//Run through the data
		for (j=0;j<sizeof(speak);j++)
		{

			//set up the amplitude hi nybble
			TCORB_0=(speak[j] & 0xF0) >> 4;
			TCNT_0=0;
			//wait a moment
			for (bDelay=0;bDelay<WAIT_HZ;bDelay++);
	
			//set up the aplitude lo nybble
			TCORB_0=speak[j] & 0xF;
			TCNT_0=0;
			//wait a moment
			for (bDelay=0;bDelay<WAIT_HZ;bDelay++);
		}

		//Set the Timer Control Register back to off 0
		TCR_0=0;

		//turn interrupts back on
		__asm__ ("\tandc #0x7f,ccr\n");
		LCDPrints(" READY");
	}
	LCDPrints(" DONE");
	getc();
	return 0;

}