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Adds preliminary parsing of the Disk Copy 4.2 format.

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This commit is contained in:
Thomas Harte 2019-06-02 13:39:25 -04:00
parent 3e9fa63799
commit 881feb1bd3
12 changed files with 466 additions and 185 deletions
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25
Analyser/Static/Macintosh/StaticAnalyser.cpp Normal file
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@ -0,0 +1,25 @@
//
// StaticAnalyser.cpp
// Clock Signal
//
// Created by Thomas Harte on 02/06/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#include "StaticAnalyser.hpp"
Analyser::Static::TargetList Analyser::Static::Macintosh::GetTargets(const Media &media, const std::string &file_name, TargetPlatform::IntType potential_platforms) {
// This analyser can comprehend disks only.
if(media.disks.empty()) return {};
// If there is at least one disk, wave it through.
Analyser::Static::TargetList targets;
using Target = Analyser::Static::Target;
auto *target = new Target;
target->machine = Analyser::Machine::Macintosh;
target->media = media;
targets.push_back(std::unique_ptr<Analyser::Static::Target>(target));
return targets;
}

27
Analyser/Static/Macintosh/StaticAnalyser.hpp Normal file
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@ -0,0 +1,27 @@
//
// StaticAnalyser.hpp
// Clock Signal
//
// Created by Thomas Harte on 02/06/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#ifndef Analyser_Static_Macintosh_StaticAnalyser_hpp
#define Analyser_Static_Macintosh_StaticAnalyser_hpp
#include "../StaticAnalyser.hpp"
#include "../../../Storage/TargetPlatforms.hpp"
#include <string>
namespace Analyser {
namespace Static {
namespace Macintosh {
TargetList GetTargets(const Media &media, const std::string &file_name, TargetPlatform::IntType potential_platforms);
}
}
}
#endif /* Analyser_Static_Macintosh_StaticAnalyser_hpp */

72
Analyser/Static/StaticAnalyser.cpp
View File

@ -21,6 +21,7 @@
#include "Coleco/StaticAnalyser.hpp"
#include "Commodore/StaticAnalyser.hpp"
#include "DiskII/StaticAnalyser.hpp"
#include "Macintosh/StaticAnalyser.hpp"
#include "MSX/StaticAnalyser.hpp"
#include "Oric/StaticAnalyser.hpp"
#include "Sega/StaticAnalyser.hpp"
@ -35,6 +36,7 @@
#include "../../Storage/Disk/DiskImage/Formats/AppleDSK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/CPCDSK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/D64.hpp"
#include "../../Storage/Disk/DiskImage/Formats/DiskCopy42.hpp"
#include "../../Storage/Disk/DiskImage/Formats/G64.hpp"
#include "../../Storage/Disk/DiskImage/Formats/DMK.hpp"
#include "../../Storage/Disk/DiskImage/Formats/HFE.hpp"
@ -85,34 +87,35 @@ static Media GetMediaAndPlatforms(const std::string &file_name, TargetPlatform::
TryInsert(list, class, platforms) \
}
Format("80", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // 80
Format("81", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // 81
Format("a26", result.cartridges, Cartridge::BinaryDump, TargetPlatform::Atari2600) // A26
Format("adf", result.disks, Disk::DiskImageHolder<Storage::Disk::AcornADF>, TargetPlatform::Acorn) // ADF
Format("bin", result.cartridges, Cartridge::BinaryDump, TargetPlatform::AllCartridge) // BIN
Format("cas", result.tapes, Tape::CAS, TargetPlatform::MSX) // CAS
Format("cdt", result.tapes, Tape::TZX, TargetPlatform::AmstradCPC) // CDT
Format("col", result.cartridges, Cartridge::BinaryDump, TargetPlatform::ColecoVision) // COL
Format("csw", result.tapes, Tape::CSW, TargetPlatform::AllTape) // CSW
Format("d64", result.disks, Disk::DiskImageHolder<Storage::Disk::D64>, TargetPlatform::Commodore) // D64
Format("dmk", result.disks, Disk::DiskImageHolder<Storage::Disk::DMK>, TargetPlatform::MSX) // DMK
Format("do", result.disks, Disk::DiskImageHolder<Storage::Disk::AppleDSK>, TargetPlatform::DiskII) // DO
Format("dsd", result.disks, Disk::DiskImageHolder<Storage::Disk::SSD>, TargetPlatform::Acorn) // DSD
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::CPCDSK>, TargetPlatform::AmstradCPC) // DSK (Amstrad CPC)
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::AppleDSK>, TargetPlatform::DiskII) // DSK (Apple)
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::MSXDSK>, TargetPlatform::MSX) // DSK (MSX)
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::OricMFMDSK>, TargetPlatform::Oric) // DSK (Oric)
Format("g64", result.disks, Disk::DiskImageHolder<Storage::Disk::G64>, TargetPlatform::Commodore) // G64
Format("80", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // 80
Format("81", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // 81
Format("a26", result.cartridges, Cartridge::BinaryDump, TargetPlatform::Atari2600) // A26
Format("adf", result.disks, Disk::DiskImageHolder<Storage::Disk::AcornADF>, TargetPlatform::Acorn) // ADF
Format("bin", result.cartridges, Cartridge::BinaryDump, TargetPlatform::AllCartridge) // BIN
Format("cas", result.tapes, Tape::CAS, TargetPlatform::MSX) // CAS
Format("cdt", result.tapes, Tape::TZX, TargetPlatform::AmstradCPC) // CDT
Format("col", result.cartridges, Cartridge::BinaryDump, TargetPlatform::ColecoVision) // COL
Format("csw", result.tapes, Tape::CSW, TargetPlatform::AllTape) // CSW
Format("d64", result.disks, Disk::DiskImageHolder<Storage::Disk::D64>, TargetPlatform::Commodore) // D64
Format("dmk", result.disks, Disk::DiskImageHolder<Storage::Disk::DMK>, TargetPlatform::MSX) // DMK
Format("do", result.disks, Disk::DiskImageHolder<Storage::Disk::AppleDSK>, TargetPlatform::DiskII) // DO
Format("dsd", result.disks, Disk::DiskImageHolder<Storage::Disk::SSD>, TargetPlatform::Acorn) // DSD
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::CPCDSK>, TargetPlatform::AmstradCPC) // DSK (Amstrad CPC)
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::AppleDSK>, TargetPlatform::DiskII) // DSK (Apple)
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::MSXDSK>, TargetPlatform::MSX) // DSK (MSX)
Format("dsk", result.disks, Disk::DiskImageHolder<Storage::Disk::OricMFMDSK>, TargetPlatform::Oric) // DSK (Oric)
Format("g64", result.disks, Disk::DiskImageHolder<Storage::Disk::G64>, TargetPlatform::Commodore) // G64
Format( "hfe",
result.disks,
Disk::DiskImageHolder<Storage::Disk::HFE>,
TargetPlatform::Acorn | TargetPlatform::AmstradCPC | TargetPlatform::Commodore | TargetPlatform::Oric)
// HFE (TODO: switch to AllDisk once the MSX stops being so greedy)
Format("nib", result.disks, Disk::DiskImageHolder<Storage::Disk::NIB>, TargetPlatform::DiskII) // NIB
Format("o", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // O
Format("p", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // P
Format("po", result.disks, Disk::DiskImageHolder<Storage::Disk::AppleDSK>, TargetPlatform::DiskII) // PO
Format("p81", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // P81
Format("img", result.disks, Disk::DiskImageHolder<Storage::Disk::DiskCopy42>, TargetPlatform::Macintosh) // IMG (DiskCopy 4.2)
Format("nib", result.disks, Disk::DiskImageHolder<Storage::Disk::NIB>, TargetPlatform::DiskII) // NIB
Format("o", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // O
Format("p", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // P
Format("po", result.disks, Disk::DiskImageHolder<Storage::Disk::AppleDSK>, TargetPlatform::DiskII) // PO
Format("p81", result.tapes, Tape::ZX80O81P, TargetPlatform::ZX8081) // P81
// PRG
if(extension == "prg") {
@ -129,16 +132,16 @@ static Media GetMediaAndPlatforms(const std::string &file_name, TargetPlatform::
Format( "rom",
result.cartridges,
Cartridge::BinaryDump,
TargetPlatform::AcornElectron | TargetPlatform::ColecoVision | TargetPlatform::MSX) // ROM
Format("sg", result.cartridges, Cartridge::BinaryDump, TargetPlatform::Sega) // SG
Format("sms", result.cartridges, Cartridge::BinaryDump, TargetPlatform::Sega) // SMS
Format("ssd", result.disks, Disk::DiskImageHolder<Storage::Disk::SSD>, TargetPlatform::Acorn) // SSD
Format("tap", result.tapes, Tape::CommodoreTAP, TargetPlatform::Commodore) // TAP (Commodore)
Format("tap", result.tapes, Tape::OricTAP, TargetPlatform::Oric) // TAP (Oric)
Format("tsx", result.tapes, Tape::TZX, TargetPlatform::MSX) // TSX
Format("tzx", result.tapes, Tape::TZX, TargetPlatform::ZX8081) // TZX
Format("uef", result.tapes, Tape::UEF, TargetPlatform::Acorn) // UEF (tape)
Format("woz", result.disks, Disk::DiskImageHolder<Storage::Disk::WOZ>, TargetPlatform::DiskII) // WOZ
TargetPlatform::AcornElectron | TargetPlatform::ColecoVision | TargetPlatform::MSX) // ROM
Format("sg", result.cartridges, Cartridge::BinaryDump, TargetPlatform::Sega) // SG
Format("sms", result.cartridges, Cartridge::BinaryDump, TargetPlatform::Sega) // SMS
Format("ssd", result.disks, Disk::DiskImageHolder<Storage::Disk::SSD>, TargetPlatform::Acorn) // SSD
Format("tap", result.tapes, Tape::CommodoreTAP, TargetPlatform::Commodore) // TAP (Commodore)
Format("tap", result.tapes, Tape::OricTAP, TargetPlatform::Oric) // TAP (Oric)
Format("tsx", result.tapes, Tape::TZX, TargetPlatform::MSX) // TSX
Format("tzx", result.tapes, Tape::TZX, TargetPlatform::ZX8081) // TZX
Format("uef", result.tapes, Tape::UEF, TargetPlatform::Acorn) // UEF (tape)
Format("woz", result.disks, Disk::DiskImageHolder<Storage::Disk::WOZ>, TargetPlatform::DiskII) // WOZ
#undef Format
#undef Insert
@ -173,9 +176,10 @@ TargetList Analyser::Static::GetTargets(const std::string &file_name) {
if(potential_platforms & TargetPlatform::ColecoVision) Append(Coleco);
if(potential_platforms & TargetPlatform::Commodore) Append(Commodore);
if(potential_platforms & TargetPlatform::DiskII) Append(DiskII);
if(potential_platforms & TargetPlatform::Sega) Append(Sega);
if(potential_platforms & TargetPlatform::Macintosh) Append(Macintosh);
if(potential_platforms & TargetPlatform::MSX) Append(MSX);
if(potential_platforms & TargetPlatform::Oric) Append(Oric);
if(potential_platforms & TargetPlatform::Sega) Append(Sega);
if(potential_platforms & TargetPlatform::ZX8081) Append(ZX8081);
#undef Append

2
Machines/Apple/Macintosh/Macintosh.cpp
View File

@ -111,7 +111,7 @@ class ConcreteMachine:
// Update the video. TODO: only on demand.
video_.run_for(cycle.length);
via_.set_control_line_input(MOS::MOS6522::Port::A, MOS::MOS6522::Line::One, video_.vsync());
via_.set_control_line_input(MOS::MOS6522::Port::A, MOS::MOS6522::Line::One, !video_.vsync());
// Update interrupt input. TODO: move this into a VIA/etc delegate callback?
mc68000_.set_interrupt_level( (via_.get_interrupt_line() ? 1 : 0) );

4
Machines/Utility/MachineForTarget.cpp
View File

@ -38,11 +38,11 @@ namespace {
BindD(Apple::Macintosh, Macintosh)
Bind(Atari2600)
BindD(Coleco::Vision, ColecoVision)
BindD(Commodore::Vic20, Vic20)
Bind(Electron)
BindD(Sega::MasterSystem, MasterSystem)
Bind(MSX)
Bind(Oric)
BindD(Commodore::Vic20, Vic20)
BindD(Sega::MasterSystem, MasterSystem)
Bind(ZX8081)
default:

48
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
View File

@ -587,6 +587,9 @@
4BB299F91B587D8400A49093 /* tyan in Resources */ = {isa = PBXBuildFile; fileRef = 4BB298ED1B587D8400A49093 /* tyan */; };
4BB2A9AF1E13367E001A5C23 /* CRCTests.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BB2A9AE1E13367E001A5C23 /* CRCTests.mm */; };
4BB4BFAD22A33DE50069048D /* DriveSpeedAccumulator.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB4BFAC22A33DE50069048D /* DriveSpeedAccumulator.cpp */; };
4BB4BFB022A42F290069048D /* DiskCopy42.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB4BFAE22A42F290069048D /* DiskCopy42.cpp */; };
4BB4BFB922A4372F0069048D /* StaticAnalyser.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB4BFB822A4372E0069048D /* StaticAnalyser.cpp */; };
4BB4BFBA22A4372F0069048D /* StaticAnalyser.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB4BFB822A4372E0069048D /* StaticAnalyser.cpp */; };
4BB697CB1D4B6D3E00248BDF /* TimedEventLoop.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB697C91D4B6D3E00248BDF /* TimedEventLoop.cpp */; };
4BB697CE1D4BA44400248BDF /* CommodoreGCR.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BB697CC1D4BA44400248BDF /* CommodoreGCR.cpp */; };
4BB73EA21B587A5100552FC2 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4BB73EA11B587A5100552FC2 /* AppDelegate.swift */; };
@ -1332,6 +1335,10 @@
4BB4BFAA22A300710069048D /* DeferredAudio.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = DeferredAudio.hpp; sourceTree = "<group>"; };
4BB4BFAB22A33D710069048D /* DriveSpeedAccumulator.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = DriveSpeedAccumulator.hpp; sourceTree = "<group>"; };
4BB4BFAC22A33DE50069048D /* DriveSpeedAccumulator.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = DriveSpeedAccumulator.cpp; sourceTree = "<group>"; };
4BB4BFAE22A42F290069048D /* DiskCopy42.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = DiskCopy42.cpp; sourceTree = "<group>"; };
4BB4BFAF22A42F290069048D /* DiskCopy42.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = DiskCopy42.hpp; sourceTree = "<group>"; };
4BB4BFB722A4372E0069048D /* StaticAnalyser.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = StaticAnalyser.hpp; sourceTree = "<group>"; };
4BB4BFB822A4372E0069048D /* StaticAnalyser.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = StaticAnalyser.cpp; sourceTree = "<group>"; };
4BB697C61D4B558F00248BDF /* Factors.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = Factors.hpp; path = ../../NumberTheory/Factors.hpp; sourceTree = "<group>"; };
4BB697C91D4B6D3E00248BDF /* TimedEventLoop.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TimedEventLoop.cpp; sourceTree = "<group>"; };
4BB697CA1D4B6D3E00248BDF /* TimedEventLoop.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = TimedEventLoop.hpp; sourceTree = "<group>"; };
@ -1937,32 +1944,34 @@
isa = PBXGroup;
children = (
4B45188D1F75FD1B00926311 /* AcornADF.cpp */,
4B0333AD2094081A0050B93D /* AppleDSK.cpp */,
4B45188F1F75FD1B00926311 /* CPCDSK.cpp */,
4B4518911F75FD1B00926311 /* D64.cpp */,
4BAF2B4C2004580C00480230 /* DMK.cpp */,
4B4518931F75FD1B00926311 /* G64.cpp */,
4B4518951F75FD1B00926311 /* HFE.cpp */,
4B58601C1F806AB200AEE2E3 /* MFMSectorDump.cpp */,
4BEBFB4B2002C4BF000708CC /* MSXDSK.cpp */,
4B0F94FC208C1A1600FE41D9 /* NIB.cpp */,
4B4518971F75FD1B00926311 /* OricMFMDSK.cpp */,
4B4518991F75FD1B00926311 /* SSD.cpp */,
4B6ED2EE208E2F8A0047B343 /* WOZ.cpp */,
4B45188E1F75FD1B00926311 /* AcornADF.hpp */,
4B0333AD2094081A0050B93D /* AppleDSK.cpp */,
4B0333AE2094081A0050B93D /* AppleDSK.hpp */,
4B45188F1F75FD1B00926311 /* CPCDSK.cpp */,
4B4518901F75FD1B00926311 /* CPCDSK.hpp */,
4B4518911F75FD1B00926311 /* D64.cpp */,
4B4518921F75FD1B00926311 /* D64.hpp */,
4BB4BFAE22A42F290069048D /* DiskCopy42.cpp */,
4BB4BFAF22A42F290069048D /* DiskCopy42.hpp */,
4BAF2B4C2004580C00480230 /* DMK.cpp */,
4BAF2B4D2004580C00480230 /* DMK.hpp */,
4B4518931F75FD1B00926311 /* G64.cpp */,
4B4518941F75FD1B00926311 /* G64.hpp */,
4B4518951F75FD1B00926311 /* HFE.cpp */,
4B4518961F75FD1B00926311 /* HFE.hpp */,
4B58601C1F806AB200AEE2E3 /* MFMSectorDump.cpp */,
4B58601D1F806AB200AEE2E3 /* MFMSectorDump.hpp */,
4BEBFB4B2002C4BF000708CC /* MSXDSK.cpp */,
4BEBFB4C2002C4BF000708CC /* MSXDSK.hpp */,
4B0F94FC208C1A1600FE41D9 /* NIB.cpp */,
4B0F94FD208C1A1600FE41D9 /* NIB.hpp */,
4B4518971F75FD1B00926311 /* OricMFMDSK.cpp */,
4B4518981F75FD1B00926311 /* OricMFMDSK.hpp */,
4B4518991F75FD1B00926311 /* SSD.cpp */,
4B45189A1F75FD1B00926311 /* SSD.hpp */,
4B6ED2EF208E2F8A0047B343 /* WOZ.hpp */,
4BFDD7891F7F2DB4008579B9 /* Utility */,
4B6ED2EE208E2F8A0047B343 /* WOZ.cpp */,
4B6ED2EF208E2F8A0047B343 /* WOZ.hpp */,
);
path = Formats;
sourceTree = "<group>";
@ -2353,6 +2362,7 @@
4B8944FB201967B4007DE474 /* Commodore */,
4B894507201967B4007DE474 /* Disassembler */,
4BD67DC8209BE4D600AB2146 /* DiskII */,
4BB4BFB622A4372E0069048D /* Macintosh */,
4B89450F201967B4007DE474 /* MSX */,
4B8944F6201967B4007DE474 /* Oric */,
4B7F1894215486A100388727 /* Sega */,
@ -2776,6 +2786,15 @@
path = "Wolfgang Lorenz 6502 test suite";
sourceTree = "<group>";
};
4BB4BFB622A4372E0069048D /* Macintosh */ = {
isa = PBXGroup;
children = (
4BB4BFB722A4372E0069048D /* StaticAnalyser.hpp */,
4BB4BFB822A4372E0069048D /* StaticAnalyser.cpp */,
);
path = Macintosh;
sourceTree = "<group>";
};
4BB697C81D4B559300248BDF /* NumberTheory */ = {
isa = PBXGroup;
children = (
@ -3825,6 +3844,7 @@
4B1B88BC202E2EC100B67DFF /* MultiKeyboardMachine.cpp in Sources */,
4BF437EF209D0F7E008CBD6B /* SegmentParser.cpp in Sources */,
4B055AD11FAE9B030060FFFF /* Video.cpp in Sources */,
4BB4BFBA22A4372F0069048D /* StaticAnalyser.cpp in Sources */,
4B055AA21FAE85DA0060FFFF /* SSD.cpp in Sources */,
4BEBFB4E2002C4BF000708CC /* MSXDSK.cpp in Sources */,
4B055ADD1FAE9B460060FFFF /* i8272.cpp in Sources */,
@ -3939,6 +3959,7 @@
4BCE0052227CE8CA000CA200 /* DiskIICard.cpp in Sources */,
4BCF1FA41DADC3DD0039D2E7 /* Oric.cpp in Sources */,
4BD67DCB209BE4D700AB2146 /* StaticAnalyser.cpp in Sources */,
4BB4BFB922A4372F0069048D /* StaticAnalyser.cpp in Sources */,
4B9BE400203A0C0600FFAE60 /* MultiSpeaker.cpp in Sources */,
4B894538201967B4007DE474 /* Tape.cpp in Sources */,
4B54C0CB1F8D92590050900F /* Keyboard.cpp in Sources */,
@ -3949,6 +3970,7 @@
4B595FAD2086DFBA0083CAA8 /* AudioToggle.cpp in Sources */,
4B1497921EE4B5A800CE2596 /* ZX8081.cpp in Sources */,
4B643F3F1D77B88000D431D6 /* DocumentController.swift in Sources */,
4BB4BFB022A42F290069048D /* DiskCopy42.cpp in Sources */,
4B05401E219D1618001BF69C /* ScanTarget.cpp in Sources */,
4B4518861F75E91A00926311 /* MFMDiskController.cpp in Sources */,
4B54C0BF1F8D8F450050900F /* Keyboard.cpp in Sources */,

281
OSBindings/Mac/Clock Signal/Info.plist
View File

@ -14,42 +14,42 @@
</array>
<key>CFBundleTypeIconFile</key>
<string>cartridge.png</string>
<key>CFBundleTypeName</key>
<string>Atari 2600 Cartridge</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeName</key>
<string>Atari 2600 Cartridge</string>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>rom</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>chip.png</string>
<key>CFBundleTypeName</key>
<string>ROM Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
@ -57,110 +57,110 @@
<string>uef</string>
<string>uef.gz</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>Electron/BBC UEF Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>prg</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy525.png</string>
<key>CFBundleTypeName</key>
<string>Commodore Program</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>tap</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>g64</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy525.png</string>
<key>CFBundleTypeName</key>
<string>Commodore Disk</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>d64</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy525.png</string>
<key>CFBundleTypeName</key>
<string>Commodore 1540/1 Disk</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
@ -171,44 +171,44 @@
<string>adl</string>
<string>adm</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy35.png</string>
<key>CFBundleTypeName</key>
<string>Electron/BBC Disk Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>dsk</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy35.png</string>
<key>CFBundleTypeName</key>
<string>Disk Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Editor</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
@ -216,22 +216,22 @@
<string>o</string>
<string>80</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>ZX80 Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
@ -240,240 +240,240 @@
<string>81</string>
<string>p81</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>ZX81 Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>csw</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>tzx</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>cdt</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>Amstrad CPC Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>hfe</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy35.png</string>
<key>CFBundleTypeName</key>
<string>HxC Disk Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>cas</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>MSX Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>dmk</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy35.png</string>
<key>CFBundleTypeName</key>
<string>Disk Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSTypeIsPackage</key>
<false/>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>tsx</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cassette.png</string>
<key>CFBundleTypeName</key>
<string>MSX Tape Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>col</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cartridge.png</string>
<key>CFBundleTypeName</key>
<string>ColecoVision Cartridge</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>sms</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cartridge.png</string>
<key>CFBundleTypeName</key>
<string>Master System Cartridge</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>sg</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>cartridge.png</string>
<key>CFBundleTypeName</key>
<string>SG1000 Cartridge</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
@ -483,22 +483,43 @@
<string>do</string>
<string>po</string>
</array>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy525.png</string>
<key>CFBundleTypeName</key>
<string>Apple II Disk Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSHandlerRank</key>
<string>Owner</string>
<key>LSTypeIsPackage</key>
<false/>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
<key>LSHandlerRank</key>
<string>Owner</string>
</dict>
<dict>
<key>CFBundleTypeExtensions</key>
<array>
<string>img</string>
<string>hfv</string>
</array>
<key>CFBundleTypeIconFile</key>
<string>floppy35</string>
<key>CFBundleTypeName</key>
<string>DiskCopy 4.2 Disk Image</string>
<key>CFBundleTypeOSTypes</key>
<array>
<string>????</string>
</array>
<key>CFBundleTypeRole</key>
<string>Viewer</string>
<key>LSTypeIsPackage</key>
<integer>0</integer>
<key>NSDocumentClass</key>
<string>$(PRODUCT_MODULE_NAME).MachineDocument</string>
</dict>
</array>
<key>CFBundleExecutable</key>

2
Processors/68000/Implementation/68000Implementation.hpp
View File

@ -283,7 +283,7 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform> void Proces
}
#ifdef LOG_TRACE
should_log |= (program_counter_.full - 4) == 0x405984;
should_log |= (program_counter_.full - 4) == 0x00400690;
#endif
if(instructions[decoded_instruction_.full].micro_operations) {

120
Storage/Disk/DiskImage/Formats/DiskCopy42.cpp Normal file
View File

@ -0,0 +1,120 @@
//
// DiskCopy42.cpp
// Clock Signal
//
// Created by Thomas Harte on 02/06/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#include "DiskCopy42.hpp"
/*
File format specifications as referenced below are largely
sourced from the documentation at
https://wiki.68kmla.org/DiskCopy_4.2_format_specification
*/
using namespace Storage::Disk;
DiskCopy42::DiskCopy42(const std::string &file_name) :
file_(file_name) {
// File format starts with 64 bytes dedicated to the disk name;
// this is a Pascal-style string though there is apparently a
// bug in one version of Disk Copy that can cause the length to
// be one too high.
//
// Validate the length, then skip the rest of the string.
const auto name_length = file_.get8();
if(name_length > 64)
throw Error::InvalidFormat;
// Get the length of the data and tag blocks.
file_.seek(64, SEEK_SET);
const auto data_block_length = file_.get32be();
const auto tag_block_length = file_.get32be();
const auto data_checksum = file_.get32be();
const auto tag_checksum = file_.get32be();
// Check that this is a comprehensible disk encoding.
const auto encoding = file_.get8();
switch(encoding) {
default: throw Error::InvalidFormat;
case 0: encoding_ = Encoding::GCR400; break;
case 1: encoding_ = Encoding::GCR800; break;
case 2: encoding_ = Encoding::MFM720; break;
case 3: encoding_ = Encoding::MFM1440; break;
}
format_ = file_.get8();
// Check the magic number.
const auto magic_number = file_.get16be();
if(magic_number != 0x0100)
throw Error::InvalidFormat;
// Read the data and tags, and verify that enough data
// was present.
data_ = file_.read(data_block_length);
tags_ = file_.read(tag_block_length);
if(data_.size() != data_block_length || tags_.size() != tag_block_length)
throw Error::InvalidFormat;
// Verify the two checksums.
const auto computed_data_checksum = checksum(data_);
const auto computed_tag_checksum = checksum(tags_, 12);
if(computed_tag_checksum != tag_checksum || computed_data_checksum != data_checksum)
throw Error::InvalidFormat;
}
uint32_t DiskCopy42::checksum(const std::vector<uint8_t> &data, size_t bytes_to_skip) {
uint32_t result = 0;
// Checksum algorith is: take each two bytes as a big-endian word; add that to a
// 32-bit accumulator and then rotate the accumulator right one position.
for(size_t c = bytes_to_skip; c < data.size(); c += 2) {
const uint16_t next_word = uint16_t((data[c] << 8) | data[c+1]);
result += next_word;
result = (result >> 1) | (result << 31);
}
return result;
}
HeadPosition DiskCopy42::get_maximum_head_position() {
return HeadPosition(80);
}
int DiskCopy42::get_head_count() {
// Bit 5 in the format field indicates whether this disk is double
// sided, regardless of whether it is GCR or MFM.
return 1 + ((format_ & 0x20) >> 5);
}
bool DiskCopy42::get_is_read_only() {
return true;
}
std::shared_ptr<::Storage::Disk::Track> DiskCopy42::get_track_at_position(::Storage::Disk::Track::Address address) {
/*
The format_ byte has the following meanings:
GCR:
This byte appears on disk as the GCR format nibble in every sector tag.
The low five bits are an interleave factor, either:
'2' for 0 8 1 9 2 10 3 11 4 12 5 13 6 14 7 15; or
'4' for 0 4 8 12 1 5 9 13 2 6 10 14 3 7 11 15.
Bit 5 indicates double sided or not.
MFM:
The low five bits provide sector size as a multiple of 256 bytes.
Bit 5 indicates double sided or not.
*/
// TODO.
return nullptr;
}

58
Storage/Disk/DiskImage/Formats/DiskCopy42.hpp Normal file
View File

@ -0,0 +1,58 @@
//
// DiskCopy42.hpp
// Clock Signal
//
// Created by Thomas Harte on 02/06/2019.
// Copyright © 2019 Thomas Harte. All rights reserved.
//
#ifndef DiskCopy42_hpp
#define DiskCopy42_hpp
#include "../DiskImage.hpp"
#include "../../../FileHolder.hpp"
namespace Storage {
namespace Disk {
/*!
Provides a @c DiskImage containing a disk imaged by Apple's Disk Copy 4.2: sector contents
(plus tag data) in either an Apple GCR or standard MFM encoding.
*/
class DiskCopy42: public DiskImage {
public:
/*!
Construct a @c DiskCopy42 containing content from the file with name @c file_name.
@throws Error::InvalidFormat if this file doesn't appear to be in Disk Copy 4.2 format.
*/
DiskCopy42(const std::string &file_name);
// implemented to satisfy @c Disk
HeadPosition get_maximum_head_position() override;
int get_head_count() override;
bool get_is_read_only() override;
std::shared_ptr<::Storage::Disk::Track> get_track_at_position(::Storage::Disk::Track::Address address) override;
private:
Storage::FileHolder file_;
enum class Encoding {
GCR400,
GCR800,
MFM720,
MFM1440
} encoding_;
uint8_t format_;
std::vector<uint8_t> data_;
std::vector<uint8_t> tags_;
uint32_t checksum(const std::vector<uint8_t> &, size_t bytes_to_skip = 0);
};
}
}
#endif /* DiskCopy42_hpp */

3
Storage/Disk/Drive.hpp
View File

@ -25,6 +25,7 @@ namespace Disk {
class Drive: public ClockingHint::Source, public TimedEventLoop {
public:
Drive(unsigned int input_clock_rate, int revolutions_per_minute, int number_of_heads);
Drive(unsigned int input_clock_rate, int number_of_heads);
~Drive();
/*!
@ -138,6 +139,8 @@ class Drive: public ClockingHint::Source, public TimedEventLoop {
*/
std::shared_ptr<Track> step_to(HeadPosition offset);
void set(Time);
private:
// Drives contain an entire disk; from that a certain track
// will be currently under the head.

9
Storage/TargetPlatforms.hpp
View File

@ -25,10 +25,11 @@ enum Type: IntType {
Commodore = 1 << 10,
DiskII = 1 << 11,
Sega = 1 << 12,
MSX = 1 << 13,
Oric = 1 << 14,
ZX80 = 1 << 15,
ZX81 = 1 << 16,
Macintosh = 1 << 13,
MSX = 1 << 14,
Oric = 1 << 15,
ZX80 = 1 << 16,
ZX81 = 1 << 17,
Acorn = AcornAtom | AcornElectron | BBCMaster | BBCModelA | BBCModelB,
ZX8081 = ZX80 | ZX81,