PIC12F1822 application for MC6800 clock and reset.

LIKE6875.c

/*
 * File:   LIKE6875.c
 * Author: Tetsuya Suzuki
 *
 * Created on 2/16/2016 2:18:49 AM UTC
 * "Created in MPLAB Xpress"
 */

#include <xc.h>

__CONFIG(FOSC_INTOSC & WDTE_OFF);

void main(void) {
    
    // initialize
    OSCCON = 0b11110000; //32MHz
    ANSELA = 0; //digital
    TRISA  = 0; //output
    P1BSEL = 1; //P1B assign RA4
	OPTION_REG = 0b10000111; // TMR0 prescale 256

  // clock
	CCP1CON = 0b10001100; //half-bridge
 	PR2 = 7; //PWM cycle
	CCPR1L = 4; //duty cycle
 	CCPR1H = 4; //initial duty cycle
 	PWM1CON = 1;//delay
 	T2CON = 0; //not use prescale
 	TMR2 = 0; //TMR2 clear
 	TMR2ON = 1; //TMR2 start
 	
 	// reset
 	RA5 = 0; //reset
	TMR0 = 0; // TMR0 clear
	TMR0IF = 0; // overflow clear
	while(TMR0IF = 0); // 32MHz/4 / 256 / 256
	RA5 = 1; // release

 	while(1){ 
 	} 
}