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