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51 lines
1018 B
C++
51 lines
1018 B
C++
//
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// Vic20.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 04/06/2016.
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// Copyright © 2016 Thomas Harte. All rights reserved.
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//
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#include "Vic20.hpp"
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#include <algorithm>
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using namespace Vic20;
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Machine::Machine()
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{}
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unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uint16_t address, uint8_t *value)
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{
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return 1;
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}
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#pragma mark - Setup
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void Machine::setup_output(float aspect_ratio)
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{
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_mos6560 = std::unique_ptr<MOS::MOS6560>(new MOS::MOS6560());
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}
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void Machine::set_rom(ROMSlot slot, size_t length, const uint8_t *data)
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{
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uint8_t *target = nullptr;
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size_t max_length = 0x2000;
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switch(slot)
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{
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case ROMSlotKernel: target = _kernelROM; break;
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case ROMSlotCharacters: target = _characterROM; max_length = 0x1000; break;
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case ROMSlotBASIC: target = _basicROM; break;
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}
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if(target)
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{
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size_t length_to_copy = std::min(max_length, length);
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memcpy(target, data, length_to_copy);
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}
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}
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void Machine::add_prg(size_t length, const uint8_t *data)
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{
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}
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