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Tigervision paging returns.
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@ -16,6 +16,7 @@
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#include "CartridgeActivisionStack.hpp"
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#include "CartridgeCommaVid.hpp"
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#include "CartridgeParkerBros.hpp"
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#include "CartridgeTigervision.hpp"
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#include "CartridgeUnpaged.hpp"
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using namespace Atari2600;
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@ -109,6 +110,9 @@ void Machine::configure_as_target(const StaticAnalyser::Target &target) {
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case StaticAnalyser::Atari2600PagingModel::ParkerBros:
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bus_.reset(new CartridgeParkerBros(rom));
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break;
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case StaticAnalyser::Atari2600PagingModel::Tigervision:
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bus_.reset(new CartridgeTigervision(rom));
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break;
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}
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/* switch(target.atari.paging_model) {
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40
Machines/Atari2600/CartridgeTigervision.hpp
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40
Machines/Atari2600/CartridgeTigervision.hpp
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@ -0,0 +1,40 @@
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//
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// CartridgeTigervision.h
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// Clock Signal
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//
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// Created by Thomas Harte on 18/03/2017.
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// Copyright © 2017 Thomas Harte. All rights reserved.
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//
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#ifndef Atari2600_CartridgeTigervision_hpp
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#define Atari2600_CartridgeTigervision_hpp
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#include "Cartridge.hpp"
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namespace Atari2600 {
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class CartridgeTigervision: public Cartridge<CartridgeTigervision> {
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public:
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CartridgeTigervision(const std::vector<uint8_t> &rom) :
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Cartridge(rom) {
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rom_ptr_[0] = rom_.data() + rom_.size() - 4096;
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rom_ptr_[1] = rom_ptr_[0] + 2048;
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}
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void perform_bus_operation(CPU6502::BusOperation operation, uint16_t address, uint8_t *value) {
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if((address&0x1fff) == 0x3f) {
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int offset = ((*value) * 2048) & (rom_.size() - 1);
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rom_ptr_[0] = rom_.data() + offset;
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return;
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} else if((address&0x1000) && isReadOperation(operation)) {
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*value = rom_ptr_[(address >> 11)&1][address & 2047];
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}
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}
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private:
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uint8_t *rom_ptr_[2];
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};
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}
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#endif /* Atari2600_CartridgeTigervision_hpp */
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@ -948,6 +948,7 @@
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4BEAC0791E7DD86E00EE56B2 /* CartridgeAtari32k.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = CartridgeAtari32k.hpp; sourceTree = "<group>"; };
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4BEAC07A1E7DDFDA00EE56B2 /* CartridgeActivisionStack.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = CartridgeActivisionStack.hpp; sourceTree = "<group>"; };
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4BEAC07B1E7DE74200EE56B2 /* CartridgeParkerBros.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = CartridgeParkerBros.hpp; sourceTree = "<group>"; };
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4BEAC07C1E7DEA6B00EE56B2 /* CartridgeTigervision.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = CartridgeTigervision.hpp; sourceTree = "<group>"; };
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4BEE0A6A1D72496600532C7B /* Cartridge.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Cartridge.cpp; sourceTree = "<group>"; };
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4BEE0A6B1D72496600532C7B /* Cartridge.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Cartridge.hpp; sourceTree = "<group>"; };
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4BEE0A6D1D72496600532C7B /* PRG.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PRG.cpp; sourceTree = "<group>"; };
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@ -1126,6 +1127,7 @@
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4BEA52671DF34909007E74F2 /* PIA.hpp */,
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4BEA52651DF3472B007E74F2 /* Speaker.hpp */,
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4BE7C9171E3D397100A5496D /* TIA.hpp */,
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4BEAC07C1E7DEA6B00EE56B2 /* CartridgeTigervision.hpp */,
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);
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path = Atari2600;
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sourceTree = "<group>";
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