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64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
//
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// Target.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 09/03/2018.
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// Copyright 2018 Thomas Harte. All rights reserved.
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//
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#ifndef Analyser_Static_Commodore_Target_h
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#define Analyser_Static_Commodore_Target_h
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#include "../StaticAnalyser.hpp"
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#include <string>
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namespace Analyser {
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namespace Static {
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namespace Commodore {
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struct Target: public ::Analyser::Static::Target {
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enum class MemoryModel {
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Unexpanded,
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EightKB,
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ThirtyTwoKB
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};
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enum class Region {
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American,
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Danish,
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Japanese,
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European,
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Swedish
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};
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/// Maps from a named memory model to a bank enabled/disabled set.
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void set_memory_model(MemoryModel memory_model) {
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// This is correct for unexpanded and 32kb memory models.
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enabled_ram.bank0 = enabled_ram.bank1 =
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enabled_ram.bank2 = enabled_ram.bank3 =
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enabled_ram.bank5 = memory_model == MemoryModel::ThirtyTwoKB;
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// Bank 0 will need to be enabled if this is an 8kb machine.
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enabled_ram.bank0 |= memory_model == MemoryModel::EightKB;
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}
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struct {
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bool bank0 = false;
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bool bank1 = false;
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bool bank2 = false;
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bool bank3 = false;
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bool bank5 = false;
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// Sic. There is no bank 4; this is because the area that logically would be
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// bank 4 is occupied by the character ROM, colour RAM, hardware registers, etc.
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} enabled_ram;
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Region region = Region::European;
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bool has_c1540 = false;
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std::string loading_command;
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};
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}
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}
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}
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#endif /* Analyser_Static_Commodore_Target_h */
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