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Starts to establish the CachingExecutor.
This commit is contained in:
Thomas Harte
parent
8bd471fa3c
commit
8860d0ff51
9
InstructionSets/CachingExecutor.cpp
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9
InstructionSets/CachingExecutor.cpp
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//
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// CachingExecutor.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 16/01/2021.
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// Copyright © 2021 Thomas Harte. All rights reserved.
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//
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#include "CachingExecutor.hpp"
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26
InstructionSets/CachingExecutor.hpp
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26
InstructionSets/CachingExecutor.hpp
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//
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// CachingExecutor.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 16/01/2021.
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// Copyright © 2021 Thomas Harte. All rights reserved.
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//
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#ifndef CachingExecutor_hpp
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#define CachingExecutor_hpp
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namespace InstructionSet {
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template <typename Executor, typename Action, typename AddressType, AddressType MaxAddress> class CachingExecutor {
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public:
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protected:
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AddressType program_counter_;
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private:
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Action actions_[100]; // TODO: just a test declaration; these actually need to be bucketed by page, etc.
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};
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}
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#endif /* CachingExecutor_hpp */
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@ -16,9 +16,6 @@ template <Operation operation> void Executor::perform(uint8_t *operand [[maybe_u
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template <Operation operation, AddressingMode addressing_mode> void Executor::perform(Executor *) {
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}
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Executor::Action Executor::action_for(Instruction instruction) {
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Action action {
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.perform = performer_lookup_.performer(instruction.operation, instruction.addressing_mode)
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};
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return action;
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Action Executor::action_for(Instruction instruction) {
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return Action(performer_lookup_.performer(instruction.operation, instruction.addressing_mode));
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}
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@ -11,26 +11,31 @@
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#include "Instruction.hpp"
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#include "Parser.hpp"
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#include "../CachingExecutor.hpp"
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namespace InstructionSet {
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namespace M50740 {
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class Executor;
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class Executor {
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public:
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/*!
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M50740 actions require no further context; the addressing mode and operation is baked in,
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so using the Executor to enquire of memory and the program counter is sufficient.
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*/
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struct Action {
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using Performer = void (*)(Executor *);
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Performer perform = nullptr;
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};
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/*!
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M50740 actions require no further context; the addressing mode and operation is baked in,
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so using the Executor to enquire of memory and the program counter is sufficient.
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*/
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struct Action {
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using Performer = void (*)(Executor *);
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Performer perform = nullptr;
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Action action_for(Instruction);
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inline Action(Performer performer) noexcept : perform(performer) {}
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};
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class Executor: public CachingExecutor<Executor, Action, uint16_t, 0x2000> {
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public:
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private:
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friend CachingExecutor<Executor, Action, uint16_t, 0x2000>;
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Action action_for(Instruction);
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/*!
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Performs @c operation using @c operand as the value fetched from memory, if any.
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*/
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@ -74,6 +79,7 @@ class Executor {
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};
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inline static PerformerLookup performer_lookup_;
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uint8_t memory_[0x2000];
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};
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}
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@ -934,6 +934,9 @@
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4BEDA43025B3C700000C2DBD /* Executor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEDA42F25B3C700000C2DBD /* Executor.cpp */; };
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4BEDA43125B3C700000C2DBD /* Executor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEDA42F25B3C700000C2DBD /* Executor.cpp */; };
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4BEDA43225B3C700000C2DBD /* Executor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEDA42F25B3C700000C2DBD /* Executor.cpp */; };
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4BEDA43D25B3DE66000C2DBD /* CachingExecutor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEDA43B25B3DE66000C2DBD /* CachingExecutor.cpp */; };
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4BEDA43E25B3DE66000C2DBD /* CachingExecutor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEDA43B25B3DE66000C2DBD /* CachingExecutor.cpp */; };
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4BEDA43F25B3DE66000C2DBD /* CachingExecutor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEDA43B25B3DE66000C2DBD /* CachingExecutor.cpp */; };
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4BEE0A6F1D72496600532C7B /* Cartridge.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEE0A6A1D72496600532C7B /* Cartridge.cpp */; };
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4BEE0A701D72496600532C7B /* PRG.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEE0A6D1D72496600532C7B /* PRG.cpp */; };
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4BEE149A227FC0EA00133682 /* IWM.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEE1498227FC0EA00133682 /* IWM.cpp */; };
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@ -1947,6 +1950,8 @@
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4BEDA42925B3C26B000C2DBD /* AccessType.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = AccessType.hpp; sourceTree = "<group>"; };
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4BEDA42E25B3C613000C2DBD /* Executor.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Executor.hpp; sourceTree = "<group>"; };
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4BEDA42F25B3C700000C2DBD /* Executor.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Executor.cpp; sourceTree = "<group>"; };
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4BEDA43B25B3DE66000C2DBD /* CachingExecutor.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = CachingExecutor.cpp; sourceTree = "<group>"; };
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4BEDA43C25B3DE66000C2DBD /* CachingExecutor.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = CachingExecutor.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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@ -4365,7 +4370,9 @@
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4BEDA3B225B25563000C2DBD /* InstructionSets */ = {
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isa = PBXGroup;
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children = (
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4BEDA43B25B3DE66000C2DBD /* CachingExecutor.cpp */,
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4BEDA42925B3C26B000C2DBD /* AccessType.hpp */,
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4BEDA43C25B3DE66000C2DBD /* CachingExecutor.hpp */,
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4BEDA3B625B25563000C2DBD /* README.md */,
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4BEDA40925B2844B000C2DBD /* M50740 */,
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4BEDA3B325B25563000C2DBD /* PowerPC */,
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@ -5086,6 +5093,7 @@
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4B4B1A3D200198CA00A0F866 /* KonamiSCC.cpp in Sources */,
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4B055AC31FAE9AE80060FFFF /* AmstradCPC.cpp in Sources */,
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4B055A9E1FAE85DA0060FFFF /* G64.cpp in Sources */,
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4BEDA43F25B3DE66000C2DBD /* CachingExecutor.cpp in Sources */,
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4B055AB81FAE860F0060FFFF /* ZX80O81P.cpp in Sources */,
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4B055AB01FAE86070060FFFF /* PulseQueuedTape.cpp in Sources */,
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4B055AAC1FAE85FD0060FFFF /* PCMSegment.cpp in Sources */,
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@ -5279,6 +5287,7 @@
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4B3FE75E1F3CF68B00448EE4 /* CPM.cpp in Sources */,
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4B2BFDB21DAEF5FF001A68B8 /* Video.cpp in Sources */,
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4BEDA3BF25B25563000C2DBD /* Decoder.cpp in Sources */,
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4BEDA43D25B3DE66000C2DBD /* CachingExecutor.cpp in Sources */,
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4B4DC82B1D2C27A4003C5BF8 /* SerialBus.cpp in Sources */,
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4BBFFEE61F7B27F1005F3FEB /* TrackSerialiser.cpp in Sources */,
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4BAE49582032881E004BE78E /* CSZX8081.mm in Sources */,
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@ -5459,6 +5468,7 @@
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4B778F5523A5F2A70000D260 /* Keyboard.cpp in Sources */,
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4B778F5D23A5F3230000D260 /* Commodore.cpp in Sources */,
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4B98A05F1FFAD62400ADF63B /* CSROMFetcher.mm in Sources */,
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4BEDA43E25B3DE66000C2DBD /* CachingExecutor.cpp in Sources */,
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4BC0CB282446BC7B00A79DBB /* OPLTests.mm in Sources */,
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4BC9E1EE1D23449A003FCEE4 /* 6502InterruptTests.swift in Sources */,
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4BEF6AAA1D35CE9E00E73575 /* DigitalPhaseLockedLoopBridge.mm in Sources */,
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