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CLK/OSBindings/Mac/Clock SignalTests/Bridges/C1540Bridge.mm

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//
// C1540Bridge.m
// Clock Signal
//
// Created by Thomas Harte on 09/07/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#import "C1540Bridge.h"
#include "C1540.hpp"
class VanillaSerialPort: public Commodore::Serial::Port {
public:
void set_input(Commodore::Serial::Line line, Commodore::Serial::LineLevel value)
{
_input_line_levels[(int)line] = value;
}
Commodore::Serial::LineLevel _input_line_levels[5];
};
@implementation C1540Bridge
{
Commodore::C1540::Machine _c1540;
std::shared_ptr<Commodore::Serial::Bus> _serialBus;
std::shared_ptr<VanillaSerialPort> _serialPort;
}
- (instancetype)init
{
self = [super init];
if(self)
{
_serialBus.reset(new ::Commodore::Serial::Bus);
_serialPort.reset(new VanillaSerialPort);
_c1540.set_serial_bus(_serialBus);
Commodore::Serial::AttachPortAndBus(_serialPort, _serialBus);
}
return self;
}
- (void)setROM:(NSData *)ROM
{
_c1540.set_rom((uint8_t *)ROM.bytes);
}
- (void)runForCycles:(NSUInteger)numberOfCycles
{
_c1540.run_for_cycles((int)numberOfCycles);
}
- (void)setAttentionLine:(BOOL)attentionLine
{
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_serialPort->set_output(Commodore::Serial::Line::Attention, attentionLine ? Commodore::Serial::LineLevel::High : Commodore::Serial::LineLevel::Low);
}
- (BOOL)attentionLine
{
return _serialPort->_input_line_levels[Commodore::Serial::Line::Attention];
}
- (void)setDataLine:(BOOL)dataLine
{
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_serialPort->set_output(Commodore::Serial::Line::Data, dataLine ? Commodore::Serial::LineLevel::High : Commodore::Serial::LineLevel::Low);
}
- (BOOL)dataLine
{
return _serialPort->_input_line_levels[Commodore::Serial::Line::Data];
}
- (void)setClockLine:(BOOL)clockLine
{
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_serialPort->set_output(Commodore::Serial::Line::Clock, clockLine ? Commodore::Serial::LineLevel::High : Commodore::Serial::LineLevel::Low);
}
- (BOOL)clockLine
{
return _serialPort->_input_line_levels[Commodore::Serial::Line::Clock];
}
@end