De MSX is een homecomputer uit vroeger tijden, maar er zijn gelukkig nog steeds personen die zich bezighouden met de ontwikkeling van de MSX en met de verschillende emulators voor dit platform. De emulator openMSX draait op verschillende besturingssystemen, onder andere Linux, Mac OS X en Windows, en richt zich volgens de ontwikkelaars op perfectie van de spelervaring. Versie 0.8.1 is onlangs vrijgegeven met de volgende aankondiging:
Release Notes for openMSX 0.8.1
This release builds on the previous one, in the sense that we worked out the features a little more. We added a lot of scripts to help you with Tool Assisted Speedruns (TAS), one of the reasons openMSX got officially approved as a TAS capable emulator on TASvideos.org. The reverse feature also got some updates while doing this. For the rest, this release does a lot of smaller fixes and additions, see the list below.
Here's the list with all highlights:
New or improved emulator features:MSX device support:
- Quite complete support for TAS (see http://www.tasvideos.org/)
- TAS mode with many TAS widgets activated automatically
- extended tools: keyboard view per frame, frame reverse/advance, robust frame counter, save slot mechanism, RAM watch, etc.
- Updates on reverse (and related features):
- enabled by default now (except on Dingoo)
- changed (default) extensions of replays and savestates to OMR and OMS respectively
- added a view only mode to the reverse feature (watch replays without interrupting them)
- replays now usually contain multiple snapshots, so you can quickly jump around in a just loaded replay (e.g. to the end!)
- huge performance improvements when loading replays/savestates
- added filepools to put your software files in; when loading a replay with a file which is not available, openMSX will scan the filepools: default location is share/software
- added hover with time indicator on reverse bar
- fixed bug when using DirAsDisk in combination with reverse
- added step_back function: while debugging step back one instruction
- Added info topic to query VDP timing information
- Fixed saving of replays, screenshots, etc., when the directory wasn't available yet
- Fixed bug in per-soundchip-channel audio recording
- Fixed auto stereo recording for mbstereo-like configurations (was done in mono)
- OSD:
- Show warning/error messages that were previously only shown on standard-output in an OSD text box
- Added gradients for rectangles to make the OSD look more polished
- Added border property to OSD rectangle
- Added script to find cases of too fast VDP access (of which the consequences are not emulated)
- Added setting to disable sprites and option to make screenshot without sprites (especially useful for map makers!)
- Added script to record movies in multiple files, especially useful for YouTube (record_chunks)
- Replaced automatic printing of ROM info (from the software database) with a command to get the info on demand (rom_info)
- Automatically plug in real joysticks into the MSX
- Several performance improvements to several toys scripts
Build system, packaging, documentation:
- Fixed accuracy of mouse emulation
- Fixed bug in sprite collision detection (sprites can't collide in the border)
- Better support for keyboard of Brazilian MSX machines
- Don't emulate Yes/No keys on machines that don't have them
- Accuracy improvements:
- (minor) fixes in MSX-AUDIO, YM2413 (Okazaki) and R800 emulation
- Added emulation of the Mega Flash ROM SCC+ and ASCII Japanese MSX-DOS2
- Added emulation of seek delay, head-load and rotational delay on TC8566AF based disk drives
- Added Sony HB-F5 and CIEL Expert Turbo machine
And of course the usual various bug fixes.
- Updates of libraries used in the static builds
- Windows binary built with Visual Studio 2010
- Basic (experimental) support for cross compilation of Windows 32 bit binaris from Linux (using MinGW)
- Updated C-BIOS to 0.25, with support for various localized machines
In "doc/manual/index.html" you can find a set of HTML manuals for openMSX. Make sure you read this if you haven't used openMSX before, but also to learn more about the new and changed features.
Known issues / caveats:Thanks to all contributors for their feedback, support, bug reports, testing, coding and other help!
- Emulation is not perfect yet. See the bug tracker on sourceforge.net for known bugs.
- Until we reach version 1.0.0, file formats can change in an incompatible way without backwards compatibility. This happened between 0.4.0 and 0.5.0, for example. Keep this in mind if you create machine descriptions, ROM database entries etc. We do try to be backwards compatible for at least one release, though. Keep in mind that openMSX is still evolving at a considerable speed.
- openMSX is confirmed to run on the following operating systems: Linux, Windows, Mac OS X, FreeBSD, OpenBSD and NetBSD; on x86, x86-64, PPC, ARM, MIPS and Sparc CPU's. Running on other operating systems (wherever SDL runs) or CPU's should be possible, but may require some modifications to the build system. If you are compiling on a new platform, please share your experiences (see below for contact info), so we can make openMSX more portable.
- CPU and graphics performance varies a lot, depending on the openMSX settings and the MSX hardware and software you're emulating. Some things run fine on a 200 MHz machine, others are slow on a 2 GHz machine. For performance tuning tips, see the Setup Guide.
Have fun with your emulated MSX!
the openMSX developers
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We doen ons best om de MSX ervaring zo 'echt' mogelijk te houden maar tegelijkertijd de mogelijkheid te geven om van allerhande leuke dingen te doen die normaal niet mogelijk zijn (zoals PSG2SCC of trainers)
) en op dit moment zijn er voor mij maar 3 MSX emulatoren die de moeite waard zijn bluemsx, meisei en openMSX.
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