//DingusPPC - Prototype 5bf2
//Written by divingkatae
//(c)2018-20 (theweirdo)
//Please ask for permission
//if you want to distribute this.
//(divingkatae#1017 on Discord)

//Functionality for the Serial Ports
// Based on the Zilog Z8530 SCC chip

#include <iostream>
#include <cinttypes>
#include "macioserial.h"
#include "ppcemumain.h"

uint32_t mac_serial_address;
uint8_t serial_write_byte;
uint8_t serial_read_byte;

void mac_serial_init(){
    machine_iocontrolmem_mem[0x3013004] = 0x04;
    machine_iocontrolmem_mem[0x3013009] = 0xC0;
    machine_iocontrolmem_mem[0x301300B] = 0x08;
    machine_iocontrolmem_mem[0x301300E] = 0x30;
    machine_iocontrolmem_mem[0x301300F] = 0xF8;
    machine_iocontrolmem_mem[0x3013010] = 0x44;
    machine_iocontrolmem_mem[0x3013011] = 0x06;
}

void mac_serial_read(){
    if (mac_serial_address >=0x3013020){
        mac_serial_address -= 0x20;
    }
    machine_iocontrolmem_mem[mac_serial_address] = serial_read_byte;
}
void mac_serial_write(){
    if (mac_serial_address >=0x3013020){
        mac_serial_address -= 0x20;
    }
    serial_write_byte = machine_iocontrolmem_mem[mac_serial_address];
}