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175 lines
5.6 KiB
Plaintext
175 lines
5.6 KiB
Plaintext
Dear Atari Community!
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We are happy to announce a new public release of EmuTOS:
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EmuTOS 0.9.10 -- December 23, 2018
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INTRODUCTION
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EmuTOS is a single-user single-tasking operating system for 32-bit Atari
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computers, clones and emulators. It can be used as a replacement for the
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TOS images typically needed by emulators and can also run on some real
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hardware, including the Atari ST(e), TT, and Falcon, and the FireBee. It
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can even run on non-Atari hardware such as Amiga and ColdFire Evaluation
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Boards. All the source code is open and free, licensed under the GNU
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General Public License (GPL).
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CHANGES SINCE RELEASE 0.9.4
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For a quick summary of changes by release since release 0.9.4, please
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refer to doc/changelog.txt.
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For a detailed list of all changes since the project started, refer to
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the Git repository.
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DESCRIPTION
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EmuTOS is basically made up of the following:
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- The BIOS, which is the basic input output system
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- The XBIOS, which provides the interface to the hardware
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- The BDOS, which are the high level OS routines, often known as GEMDOS
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- The VDI, the virtual device interface, i.e. the screen driver
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- The AES, the application environment services or window manager
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- The EmuDesk desktop, which is the graphical shell to the user
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- EmuCON2, the command-line interpreter
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The BIOS and XBIOS code is our own development. It is written from
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scratch and implements all relevant TOS 3 BIOS & XBIOS functionality,
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and a bit more, e.g. hard disk access. See doc/status.txt for details.
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The GEMDOS part is based on Digital Research's GEMDOS sources, which were
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made available under GPL license in 1999 by Caldera.
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The graphical parts like VDI and AES are now more or less fully
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implemented up to TOS v1.04 level. They work in all the graphics modes
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of the original Atari ST, with some extensions. For example, systems with
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VIDEL support 256 colours and 640x480 screen resolution. Some emulators
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can patch EmuTOS to work with much bigger screen resolutions.
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The desktop is now almost as nice as the one in TOS 2 or higher (although
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there is still work to be done). Of course you are always free to use a
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more advanced desktop replacement like TeraDesk.
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EmuCON2 is a basic but useful command-line interpreter, written from scratch
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by Roger Burrows in 2013 to replace the original CLI.
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Since EmuTOS just implements TOS functionality, you might want to use
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MiNT on top of it in order to run more modern software. EmuTOS is not
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an alternative to MiNT, but it's the only free base OS to boot MiNT.
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EMULATION AND FUTURE PLATFORMS
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EmuTOS and MiNT cooperate well. Both can utilize the Native Features
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(NatFeats) interface for emulators:
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https://github.com/aranym/aranym/wiki/natfeats-about
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EmuTOS uses this new standard interface for all the relevant native
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functions supported by an emulator on which it's running. This interface
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proxies the calls to the underlying host OS so that these features don't
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need to be emulated. This is both faster and can provide features that
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would be infeasible on a real machine. It may allow using modern graphics
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cards, provide fast native filesystem access and enable you to use
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networking with all bells and whistles - and many other things you might
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not have even dreamed of.
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The ARAnyM emulator has the most extensive support for NatFeats.
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The Hatari emulator supports the basic NatFeats facilities.
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HARDWARE
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Making EmuTOS run natively on a new hardware platform is more or less just
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a question of driver support for EmuTOS. The same for MiNT, if you'd like
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to have it running on top of EmuTOS.
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This is the currently supported original Atari hardware:
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- CPU support for M68000, M68030
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- FPU detection
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- 68030 MMU and cache
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- Memory controller (both ST and Falcon)
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- TT-RAM
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- Monitor type detection (mono, RGB or VGA)
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- DMA controller
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- WD 1772 / AJAX Floppy disk controller
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- MFP, MFP #2
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- PSG
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- ST shifter
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- STe shifter
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- TT shifter
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- VIDEL
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- ACIAs, IKBD protocol, mouse
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- MegaST Real-Time Clock (set clock not tested)
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- NVRAM (including RTC)
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- Blitter
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- Microwire
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- SCC
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- IDE
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- SCSI
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- ACSI
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EmuTOS also supports the following Atari-compatible hardware:
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- CPU support for M68010, M68020, M68040, M68060, ColdFire V4e, and Apollo 68080
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- ICD AdSCSI Plus ST Real-Time Clock
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- MonSTer expansion card
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- Nova/ET4000 graphics card
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- SD/MMC
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- The Native Features interface to some degree
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Currently unsupported hardware features:
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- DSP
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EmuTOS is also available on some non-Atari hardware:
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- Amiga (floppy or ROM for any Amiga, including MapROM support)
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- ColdFire Evaluation Boards (M5484LITE, M5485EVB)
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AVAILABILITY
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The EmuTOS home page is:
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http://emutos.sourceforge.net/
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The project home is on SourceForge:
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http://sourceforge.net/projects/emutos/
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The latest releases can be downloaded from:
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http://sourceforge.net/projects/emutos/files/emutos/
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Development snapshots allow you to test the current development progress:
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http://sourceforge.net/projects/emutos/files/snapshots/
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The latest sources are always available on GitHub:
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https://github.com/emutos/emutos
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If you are just curious or would like to help us develop this nice little
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OS, you are invited to subscribe to our mailing list for developers at:
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https://lists.sourceforge.net/lists/listinfo/emutos-devel
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We hope that you like EmuTOS. If you have any suggestions or comments, we
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always appreciate hearing both the good and the bad things about it.
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The EmuTOS development team.
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--
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Originally written by Martin Doering
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http://emutos.sourceforge.net/
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