mirror of
https://github.com/TomHarte/CLK.git
synced 2024-07-06 01:28:57 +00:00
36 lines
891 B
C++
36 lines
891 B
C++
//
|
|
// Plus3.cpp
|
|
// Clock Signal
|
|
//
|
|
// Created by Thomas Harte on 25/09/2016.
|
|
// Copyright © 2016 Thomas Harte. All rights reserved.
|
|
//
|
|
|
|
#include "Plus3.hpp"
|
|
|
|
using namespace Electron;
|
|
|
|
void Plus3::set_disk(std::shared_ptr<Storage::Disk::Disk> disk, int drive)
|
|
{
|
|
if(!_drives[drive]) _drives[drive].reset(new Storage::Disk::Drive);
|
|
_drives[drive]->set_disk(disk);
|
|
}
|
|
|
|
void Plus3::set_control_register(uint8_t control)
|
|
{
|
|
// TODO:
|
|
// bit 0 => enable or disable drive 1
|
|
// bit 1 => enable or disable drive 2
|
|
// bit 2 => side select
|
|
// bit 3 => single density select
|
|
switch(control&3)
|
|
{
|
|
case 0: set_drive(nullptr); break;
|
|
default: set_drive(_drives[0]); break;
|
|
case 2: set_drive(_drives[1]); break;
|
|
}
|
|
if(_drives[0]) _drives[0]->set_head((control & 0x04) ? 1 : 0);
|
|
if(_drives[1]) _drives[1]->set_head((control & 0x04) ? 1 : 0);
|
|
set_is_double_density(!(control & 0x08));
|
|
}
|