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Started working on a CPC-oriented analyser; for now I just want to be able to make a good guess at the appropriate file to load from a disk. As it turns out, the CPC simply adopts the CP/M format, so a generic parser is appropriate. This is its beginning.

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This commit is contained in:
Thomas Harte 2017-08-10 17:10:21 -04:00
parent 0d2d3ea17c
commit 6a65c7a52a
4 changed files with 113 additions and 4 deletions
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22
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
View File

@ -58,6 +58,7 @@
4B3BA0D11D318B44005DD7A7 /* TestMachine6502.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4B3BA0CD1D318B44005DD7A7 /* TestMachine6502.mm */; };
4B3BF5B01F146265005B6C36 /* CSW.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B3BF5AE1F146264005B6C36 /* CSW.cpp */; };
4B3F1B461E0388D200DB26EE /* PCMPatchedTrack.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B3F1B441E0388D200DB26EE /* PCMPatchedTrack.cpp */; };
4B3FE75E1F3CF68B00448EE4 /* CPM.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B3FE75C1F3CF68B00448EE4 /* CPM.cpp */; };
4B448E811F1C45A00009ABD6 /* TZX.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B448E7F1F1C45A00009ABD6 /* TZX.cpp */; };
4B448E841F1C4C480009ABD6 /* PulseQueuedTape.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4B448E821F1C4C480009ABD6 /* PulseQueuedTape.cpp */; };
4B44EBF51DC987AF00A7820C /* AllSuiteA.bin in Resources */ = {isa = PBXBuildFile; fileRef = 4B44EBF41DC987AE00A7820C /* AllSuiteA.bin */; };
@ -562,6 +563,8 @@
4B3BF5AF1F146264005B6C36 /* CSW.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = CSW.hpp; sourceTree = "<group>"; };
4B3F1B441E0388D200DB26EE /* PCMPatchedTrack.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PCMPatchedTrack.cpp; sourceTree = "<group>"; };
4B3F1B451E0388D200DB26EE /* PCMPatchedTrack.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = PCMPatchedTrack.hpp; sourceTree = "<group>"; };
4B3FE75C1F3CF68B00448EE4 /* CPM.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = CPM.cpp; path = Parsers/CPM.cpp; sourceTree = "<group>"; };
4B3FE75D1F3CF68B00448EE4 /* CPM.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; name = CPM.hpp; path = Parsers/CPM.hpp; sourceTree = "<group>"; };
4B448E7F1F1C45A00009ABD6 /* TZX.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = TZX.cpp; sourceTree = "<group>"; };
4B448E801F1C45A00009ABD6 /* TZX.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = TZX.hpp; sourceTree = "<group>"; };
4B448E821F1C4C480009ABD6 /* PulseQueuedTape.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PulseQueuedTape.cpp; sourceTree = "<group>"; };
@ -1330,6 +1333,15 @@
path = Bridges;
sourceTree = "<group>";
};
4B3FE75F1F3CF6BA00448EE4 /* Parsers */ = {
isa = PBXGroup;
children = (
4B3FE75C1F3CF68B00448EE4 /* CPM.cpp */,
4B3FE75D1F3CF68B00448EE4 /* CPM.hpp */,
);
name = Parsers;
sourceTree = "<group>";
};
4B4A762D1DB1A35C007AAE2E /* AY38910 */ = {
isa = PBXGroup;
children = (
@ -1446,12 +1458,12 @@
4B69FB3A1C4D908A00B5F0AA /* Tape */ = {
isa = PBXGroup;
children = (
4B448E821F1C4C480009ABD6 /* PulseQueuedTape.cpp */,
4B69FB3B1C4D908A00B5F0AA /* Tape.cpp */,
4B448E831F1C4C480009ABD6 /* PulseQueuedTape.hpp */,
4B69FB3C1C4D908A00B5F0AA /* Tape.hpp */,
4B69FB411C4D941400B5F0AA /* Formats */,
4B8805F11DCFC9A2003085B1 /* Parsers */,
4B448E821F1C4C480009ABD6 /* PulseQueuedTape.cpp */,
4B448E831F1C4C480009ABD6 /* PulseQueuedTape.hpp */,
4B69FB3B1C4D908A00B5F0AA /* Tape.cpp */,
4B69FB3C1C4D908A00B5F0AA /* Tape.hpp */,
);
path = Tape;
sourceTree = "<group>";
@ -1545,6 +1557,7 @@
4BAB62B71D3302CA00DF5BA0 /* PCMTrack.hpp */,
4BB697CF1D4BA44900248BDF /* Encodings */,
4BAB62B21D327F7E00DF5BA0 /* Formats */,
4B3FE75F1F3CF6BA00448EE4 /* Parsers */,
);
path = Disk;
sourceTree = "<group>";
@ -2700,6 +2713,7 @@
4B1497921EE4B5A800CE2596 /* ZX8081.cpp in Sources */,
4B643F3F1D77B88000D431D6 /* DocumentController.swift in Sources */,
4BA799951D8B656E0045123D /* StaticAnalyser.cpp in Sources */,
4B3FE75E1F3CF68B00448EE4 /* CPM.cpp in Sources */,
4B2BFDB21DAEF5FF001A68B8 /* Video.cpp in Sources */,
4B4DC82B1D2C27A4003C5BF8 /* SerialBus.cpp in Sources */,
4BC3B74F1CD194CC00F86E85 /* Shader.cpp in Sources */,

13
StaticAnalyser/AmstradCPC/StaticAnalyser.cpp
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@ -7,6 +7,7 @@
//
#include "StaticAnalyser.hpp"
#include "../../Storage/Disk/Parsers/CPM.hpp"
void StaticAnalyser::AmstradCPC::AddTargets(
const std::list<std::shared_ptr<Storage::Disk::Disk>> &disks,
@ -22,5 +23,17 @@ void StaticAnalyser::AmstradCPC::AddTargets(
target.amstradcpc.model = target.disks.empty() ? AmstradCPCModel::CPC464 : AmstradCPCModel::CPC6128;
if(!target.disks.empty()) {
// This is CPC data format.
Storage::Disk::CPM::ParameterBlock parameters;
parameters.sectors_per_track = 9;
parameters.sector_size = 512;
parameters.first_sector = 0xc1;
parameters.catalogue_allocation_bitmap = 0xc000;
parameters.reserved_tracks = 0;
Storage::Disk::CPM::GetCatalogue(target.disks.front(), parameters);
}
destination.push_back(target);
}

43
Storage/Disk/Parsers/CPM.cpp Normal file
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@ -0,0 +1,43 @@
//
// CPM.cpp
// Clock Signal
//
// Created by Thomas Harte on 10/08/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
#include "CPM.hpp"
#include "../Encodings/MFM.hpp"
using namespace Storage::Disk::CPM;
std::unique_ptr<Storage::Disk::CPM::Catalogue> Storage::Disk::CPM::GetCatalogue(const std::shared_ptr<Storage::Disk::Disk> &disk, const ParameterBlock &parameters) {
Storage::Encodings::MFM::Parser parser(true, disk);
// Assemble the actual bytes of the catalogue.
std::vector<uint8_t> catalogue;
uint16_t catalogue_allocation_bitmap = parameters.catalogue_allocation_bitmap;
int sector = 0;
int track = parameters.reserved_tracks;
while(catalogue_allocation_bitmap) {
if(catalogue_allocation_bitmap & 0x8000) {
std::shared_ptr<Storage::Encodings::MFM::Sector> sector_contents = parser.get_sector((uint8_t)track, (uint8_t)(parameters.first_sector + sector));
if(!sector_contents) {
return nullptr;
}
catalogue.insert(catalogue.end(), sector_contents->data.begin(), sector_contents->data.end());
}
catalogue_allocation_bitmap <<= 1;
sector++;
if(sector == parameters.sectors_per_track) {
sector = 0;
track++;
}
}
return nullptr;
}

39
Storage/Disk/Parsers/CPM.hpp Normal file
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@ -0,0 +1,39 @@
//
// CPM.hpp
// Clock Signal
//
// Created by Thomas Harte on 10/08/2017.
// Copyright © 2017 Thomas Harte. All rights reserved.
//
#ifndef Storage_Disk_Parsers_CPM_hpp
#define Storage_Disk_Parsers_CPM_hpp
#include "../Disk.hpp"
#include <memory>
namespace Storage {
namespace Disk {
namespace CPM {
struct ParameterBlock {
int sectors_per_track;
int sector_size;
int first_sector;
uint16_t catalogue_allocation_bitmap;
int reserved_tracks;
};
struct File {
};
struct Catalogue {
};
std::unique_ptr<Catalogue> GetCatalogue(const std::shared_ptr<Storage::Disk::Disk> &disk, const ParameterBlock &parameters);
}
}
}
#endif /* Storage_Disk_Parsers_CPM_hpp */