From sector1.fr
zeST Seminar at Shadow Party 2024 (June 30)
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I presented the zeST project at Shadow Party 2024. zeST is an FPGA implementation of an Atari ST, specifically targeted at Xilinx-based FPGA boards; some of which can be found at affordable price. ...
on Jul 7
From sector1.fr
Release: Better memory management, shifter wakestates, MMU configuration
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This new zeST release brings a major fix in memory management, introduces “shifter wakestates” , properly implements MMU configuration, and includes other small fixes. Memory management zeST now includes a much better manager for accessing the main DDR memory of the Zynq board it’s running on....
on Sep 15
From sector1.fr
CPU bus, clocks and memory latency
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In this new technical article, I will present how central elements like the ST bus, memory and clocks are implemented in zeST. This is a crucial part, since the choices we make here constrain all the rest of the hardware implementation. These choices are also very dependent from the hardware...
on Sep 1
From sector1.fr
Release: Bug fixes and improvements
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The new zeST release mostly brings under-the-hood fixes, but with important stability and compatibility improvements. Support for larger ROMs There used to be “bi-TOS” hardware mods, mostly on Mega ST computers. Those mods allowed the user to switch between two possible operating system...
on Jun 26
From sector1.fr
Let's play some demos again - 4/27/2024, 7:00:18 PM
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A PeerTube instance running on a Raspberry Pi 5
on Jun 23
From sector1.fr
New release: Enhanced compatibility
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With the latest release of zeST, some of the latest, trickiest video demo effects are now working. This includes the syncscroll and fullscreen from the Closure demo by Sync, that you are now able to fully enjoy on zeST! Also, the other technical demo by Sync (what.if.game), which features a...
on May 31
From sector1.fr
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This new releases has several improvements. Better joystick support Important code reorganisation has been done, so that USB controllers and joysticks are detected in a more predictable way. Different joysticks are now assigned to the ST joysticks in detection order. This means the two joysticks...
on Apr 28
From sector1.fr
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This is the first stream on the zTube platform! Expect some mishaps, bugs and crashes. Stream will start at about 8PM (Paris time). See you then!
on Apr 27
From sector1.fr
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The new 2024-02-11 release is available. On the menu: monochrome mode, RAM expansion, and keyboard bug fix. Monochrome mode zeST was having display issues when running in monochrome high resolution mode. There was an unwanted white border on the left side of the screen, some pixels were not...
on Feb 11
From sector1.fr
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You can get support for zeST through IRC or Github. IRC The zeST IRC channel is #zeST, hosted on OFTC. If you do not have an IRC client, you can use the OFTC web interface. Please do not hesitate to join for a chat, if you have questions about the project, or just want to hang out for a...
on Jan 25
From sector1.fr
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The 2024-01-21 release is not a major release, but is the result of quite some under-the-hood rework. The most important highlights are the following: Support for USB joysticks. This part is still very much in a beta state, and still requires quite some debugging effort. It was only tested on a...
on Jan 23
From sector1.fr
Summerblast by Tao/Cream, playing on zeST
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This is a test of zeST's ability to play the sounds enabled by Tao's latest techniques on the YM2149F sound chip. Sounds pretty OK.
on Jan 13
From sector1.fr
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It’s been an issue since PC keyboard interfaces appeared, and has prolonged with emulators. It has always been a real pain to get PC keyboards to work properly on the Atari ST and its successors. PC Keyboards and Atari machines In most cases - and this is what zeST does - keyboard management is...
on Jan 2
From sector1.fr
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zeST now supports a new FPGA board. It’s the Zynq 7020-equipped version of the Microphase Z7-Lite board, that was already supported in its 7010 version. It basically has the same capabilities of its little sister, but has significantly more FPGA logic resources available, which makes it suited...
on Dec 8
From sector1.fr
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The latest release of zeST now features additional video screen modes, taking into account the unused pixels at the screen borders in colour modes. This allows user programs to achieve screen sizes of 416x276 pixels in low resolution, and 832x276 in medium resolution. This is completely done in...
on Nov 25
From sector1.fr
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After several months of inactivity (mostly due to health problems and personal issues), a new version of zeST is finally available! It features support for hard disk drive emulation. Only one drive is emulated for now, but it would be rather easy to implement more. On the technical side, the...
on Nov 13