6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-23 20:29:42 +00:00
Code Issues Projects Releases Wiki Activity

Adds superficial support for MSX .DSK.

Browse Source 
In the sense that the file format itself is properly parsed, but the MSX doesn't actually yet have disk hardware.
This commit is contained in:
Thomas Harte 2018-01-07 16:35:57 -05:00
parent 5d0832613f
commit 999a0c22d4
7 changed files with 124 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
OSBindings/Mac/Clock Signal.xcodeproj/project.pbxproj
View File

@ -591,6 +591,8 @@
4BEA525E1DF33323007E74F2 /* Tape.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEA525D1DF33323007E74F2 /* Tape.cpp */; };
4BEA52631DF339D7007E74F2 /* SoundGenerator.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEA52611DF339D7007E74F2 /* SoundGenerator.cpp */; };
4BEA52661DF3472B007E74F2 /* TIASound.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEA52641DF3472B007E74F2 /* TIASound.cpp */; };
4BEBFB4D2002C4BF000708CC /* MSXDSK.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEBFB4B2002C4BF000708CC /* MSXDSK.cpp */; };
4BEBFB4E2002C4BF000708CC /* MSXDSK.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEBFB4B2002C4BF000708CC /* MSXDSK.cpp */; };
4BEE0A6F1D72496600532C7B /* Cartridge.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEE0A6A1D72496600532C7B /* Cartridge.cpp */; };
4BEE0A701D72496600532C7B /* PRG.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 4BEE0A6D1D72496600532C7B /* PRG.cpp */; };
4BEF6AAA1D35CE9E00E73575 /* DigitalPhaseLockedLoopBridge.mm in Sources */ = {isa = PBXBuildFile; fileRef = 4BEF6AA91D35CE9E00E73575 /* DigitalPhaseLockedLoopBridge.mm */; };
@ -1308,6 +1310,8 @@
4BEAC08C1E7E0DF800EE56B2 /* Unpaged.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Unpaged.hpp; sourceTree = "<group>"; };
4BEAC08D1E7E0E1A00EE56B2 /* Bus.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Bus.hpp; sourceTree = "<group>"; };
4BEAC08E1E7E110500EE56B2 /* Pitfall2.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = Pitfall2.hpp; sourceTree = "<group>"; };
4BEBFB4B2002C4BF000708CC /* MSXDSK.cpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; path = MSXDSK.cpp; sourceTree = "<group>"; };
4BEBFB4C2002C4BF000708CC /* MSXDSK.hpp */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.h; path = MSXDSK.hpp; sourceTree = "<group>"; };
4BEE0A6A1D72496600532C7B /* Cartridge.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = Cartridge.cpp; sourceTree = "<group>"; };
4BEE0A6B1D72496600532C7B /* Cartridge.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = Cartridge.hpp; sourceTree = "<group>"; };
4BEE0A6D1D72496600532C7B /* PRG.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PRG.cpp; sourceTree = "<group>"; };
@ -1776,20 +1780,22 @@
isa = PBXGroup;
children = (
4B45188D1F75FD1B00926311 /* AcornADF.cpp */,
4B45188E1F75FD1B00926311 /* AcornADF.hpp */,
4B45188F1F75FD1B00926311 /* CPCDSK.cpp */,
4B4518901F75FD1B00926311 /* CPCDSK.hpp */,
4B4518911F75FD1B00926311 /* D64.cpp */,
4B4518921F75FD1B00926311 /* D64.hpp */,
4B4518931F75FD1B00926311 /* G64.cpp */,
4B4518941F75FD1B00926311 /* G64.hpp */,
4B4518951F75FD1B00926311 /* HFE.cpp */,
4B4518961F75FD1B00926311 /* HFE.hpp */,
4B58601C1F806AB200AEE2E3 /* MFMSectorDump.cpp */,
4B58601D1F806AB200AEE2E3 /* MFMSectorDump.hpp */,
4BEBFB4B2002C4BF000708CC /* MSXDSK.cpp */,
4B4518971F75FD1B00926311 /* OricMFMDSK.cpp */,
4B4518981F75FD1B00926311 /* OricMFMDSK.hpp */,
4B4518991F75FD1B00926311 /* SSD.cpp */,
4B45188E1F75FD1B00926311 /* AcornADF.hpp */,
4B4518901F75FD1B00926311 /* CPCDSK.hpp */,
4B4518921F75FD1B00926311 /* D64.hpp */,
4B4518941F75FD1B00926311 /* G64.hpp */,
4B4518961F75FD1B00926311 /* HFE.hpp */,
4B58601D1F806AB200AEE2E3 /* MFMSectorDump.hpp */,
4BEBFB4C2002C4BF000708CC /* MSXDSK.hpp */,
4B4518981F75FD1B00926311 /* OricMFMDSK.hpp */,
4B45189A1F75FD1B00926311 /* SSD.hpp */,
4BFDD7891F7F2DB4008579B9 /* Utility */,
);
@ -3349,6 +3355,7 @@
4B055AED1FAE9BA20060FFFF /* Z80Storage.cpp in Sources */,
4B055AD11FAE9B030060FFFF /* Video.cpp in Sources */,
4B055AA21FAE85DA0060FFFF /* SSD.cpp in Sources */,
4BEBFB4E2002C4BF000708CC /* MSXDSK.cpp in Sources */,
4B055ADD1FAE9B460060FFFF /* i8272.cpp in Sources */,
4B055AC51FAE9AEE0060FFFF /* Atari2600.cpp in Sources */,
4B055A9C1FAE85DA0060FFFF /* CPCDSK.cpp in Sources */,
@ -3542,6 +3549,7 @@
4BCA6CC81D9DD9F000C2D7B2 /* CommodoreROM.cpp in Sources */,
4BA22B071D8817CE0008C640 /* Disk.cpp in Sources */,
4BEA52661DF3472B007E74F2 /* TIASound.cpp in Sources */,
4BEBFB4D2002C4BF000708CC /* MSXDSK.cpp in Sources */,
4BBFBB6C1EE8401E00C01E7A /* ZX8081.cpp in Sources */,
4B83348A1F5DB94B0097E338 /* IRQDelegatePortHandler.cpp in Sources */,
4B7136891F78725F008B8ED9 /* Shifter.cpp in Sources */,

1
ROMImages/MSX/readme.txt
View File

@ -3,5 +3,6 @@ ROMs for the MSX go here; the copyright status of these is uncertain so they hav
Expected files:
msx.rom
disk.rom
These names match those offered for download at http://fms.komkon.org/fMSX/ (albeit in lowercase), and the emulator has been tested against those images.

3
StaticAnalyser/MSX/StaticAnalyser.cpp
View File

@ -213,6 +213,9 @@ void StaticAnalyser::MSX::AddTargets(const Media &media, std::list<Target> &dest
}
}
// Blindly accept disks for now.
target.media.disks = media.disks;
if(!target.media.empty()) {
target.machine = Target::MSX;
target.probability = 1.0;

2
StaticAnalyser/StaticAnalyser.cpp
View File

@ -30,6 +30,7 @@
#include "../Storage/Disk/DiskImage/Formats/D64.hpp"
#include "../Storage/Disk/DiskImage/Formats/G64.hpp"
#include "../Storage/Disk/DiskImage/Formats/HFE.hpp"
#include "../Storage/Disk/DiskImage/Formats/MSXDSK.hpp"
#include "../Storage/Disk/DiskImage/Formats/OricMFMDSK.hpp"
#include "../Storage/Disk/DiskImage/Formats/SSD.hpp"
@ -91,6 +92,7 @@ static Media GetMediaAndPlatforms(const char *file_name, TargetPlatform::IntType
Format("d64", result.disks, Disk::DiskImageHolder<Storage::Disk::D64>, TargetPlatform::Commodore) // D64
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::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::AmstradCPC) // HFE (TODO: plus other target platforms)

59
Storage/Disk/DiskImage/Formats/MSXDSK.cpp Normal file
View File

@ -0,0 +1,59 @@
//
// MSXDSK.cpp
// Clock Signal
//
// Created by Thomas Harte on 07/01/2018.
// Copyright © 2018 Thomas Harte. All rights reserved.
//
#include "MSXDSK.hpp"
#include "Utility/ImplicitSectors.hpp"
namespace {
static const int sectors_per_track = 9;
static const int sector_size = 2;
}
using namespace Storage::Disk;
MSXDSK::MSXDSK(const char *file_name) :
MFMSectorDump(file_name) {
// The only sanity check here is whether a sensible
// geometry can be guessed.
off_t file_size = file_.stats().st_size;
const off_t track_size = 512*9;
// Throw if there would seemingly be an incomplete track.
if(file_size % track_size) throw ErrorNotMSXDSK;
track_count_ = static_cast<int>(file_size / track_size);
head_count_ = 1;
// Throw if too large or too small or too large for single sided and
// clearly not double sided.
if(track_count_ < 40) throw ErrorNotMSXDSK;
if(track_count_ > 82*2) throw ErrorNotMSXDSK;
if(track_count_ > 82 && track_count_&1) throw ErrorNotMSXDSK;
// The below effectively prefers the idea of a single-sided 80-track disk
// to a double-sided 40-track disk. Emulators have to guess.
if(track_count_ > 82) {
track_count_ /= 2;
head_count_ = 2;
}
set_geometry(sectors_per_track, sector_size, true);
}
int MSXDSK::get_head_position_count() {
return track_count_;
}
int MSXDSK::get_head_count() {
return head_count_;
}
long MSXDSK::get_file_offset_for_position(Track::Address address) {
return (address.position + address.head*track_count_) * 512 * 9;
}

42
Storage/Disk/DiskImage/Formats/MSXDSK.hpp Normal file
View File

@ -0,0 +1,42 @@
//
// MSXDSK.hpp
// Clock Signal
//
// Created by Thomas Harte on 07/01/2018.
// Copyright © 2018 Thomas Harte. All rights reserved.
//
#ifndef MSXDSK_hpp
#define MSXDSK_hpp
#include "MFMSectorDump.hpp"
namespace Storage {
namespace Disk {
/*!
Provides a @c Disk containing an MSX-style disk image:
a sector dump of appropriate proportions.
*/
class MSXDSK: public MFMSectorDump {
public:
MSXDSK(const char *file_name);
enum {
ErrorNotMSXDSK,
};
int get_head_position_count() override;
int get_head_count() override;
private:
long get_file_offset_for_position(Track::Address address) override;
int head_count_;
int track_count_;
};
}
}
#endif /* MSXDSK_hpp */

4
Storage/Disk/DiskImage/Formats/OricMFMDSK.hpp
View File

@ -16,7 +16,7 @@ namespace Storage {
namespace Disk {
/*!
Provies a @c Disk containing an Oric MFM-stype disk image — a stream of the MFM data bits with clocks omitted.
Provides a @c Disk containing an Oric MFM-stype disk image — a stream of the MFM data bits with clocks omitted.
*/
class OricMFMDSK: public DiskImage {
public:
@ -31,7 +31,7 @@ class OricMFMDSK: public DiskImage {
ErrorNotOricMFMDSK,
};
// implemented to satisfy @c Disk
// implemented to satisfy @c DiskImage
int get_head_position_count() override;
int get_head_count() override;
bool get_is_read_only() override;