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Text of the page (random words):
fpgaarcade programmable gaming hardware the replay board news general news core news faq docs releases forum github select page this site is about recreating gaming and computing hardware from the past in modern programmable devices known as fpgas an fpga contains a very large array of logic which can be configured by the user to perform just about any imaginable logic function they save all the hassle of making your own custom ic and are a lot less time consuming than wiring up 100 000s of standard logic parts in modern devices we can fit complete systems including processors and they are cheap enough to allow mass production it s not emulation it s recreation and it s open source no emulation no compromise news the news archive is here r2 phat proto update r2 phat proto update well here we are mid 2025 and still no r2 board must be vaporware like several other next gen fpga projects absolutely not i ve been documenting the progress on our discord all the way through but as we near the end of the very difficult hardware stage it s read more mikej jul 22 2025 replay2 replay2 well here we are at the end of 2024 already i get a lot of questions along the lines of where are we at why is it taking so long etc etc replay2 is a complex board both electrically and mechanically i am trying to do it at a low cost which means a low read more mikej dec 30 2024 replay2 design nearing completion replay2 design nearing completion i m not doing very well at posting updates here the discord is where to be to get the latest gossip as we struggle to complete the design the link below will work for a week i ll post another update after that https discord gg ufh remove pxsmc we are read more mikej may 20 2024 core updates core releases can be downloaded from the releases page whilst source code is available on github the core news archive is here bridging the analog gap bridging the analog gap the investigations up to this point remained entirely in the digital domain waveforms like the ones shown in the vlm5030 gate level design validation and lock step comparison post were derived from the pcm data right before it enters the dac this is most suitable read more nov 22 2021 analysis and a hypothesis analysis and a hypothesis what could cause that the vlm5030 partially behaves non deterministic for certain frames the usual suspects are incomplete reset and randomness lots of internal states flip flops aren t affected by the rst input so that could be a cause for repeated read more sep 28 2021 vlm5030 gate level design validation and lock step comparison vlm5030 gate level design validation and lock step comparison now with the extracted gate level design in place how does it perform the initial validation consisted of two basic phases vhdl simulation in a test bench that dumps the pcm audio to a binary file the binary is imported with audacity and converted to wav format read more sep 11 2021 the replay1 board the replay board is a high quality base platform for the development and usage of cores a core can be thought of as a hardware model that closely recreates the hardware of a specific home computer amiga c64 or arcade machine pac man phoenix and runs on the on board xilinx fpga beyond the hardware the replay also includes a comprehensive framework library and firmware to aid developers with core implementation and reduces the maintenance burden of supporting future replay hardware the replay also provides ample opportunity to expand the hardware with various daughter boards for specific applications such as the 68060 daughter board the r1 daughter board the 68k daughter board provides a socket for an optional 68060 cpu and 128mb local fastram for use by the 68060 a floppy drive can also be attached to the daughter board for use with supporting cores making this an ideal upgrade for amiga atarist enthusiasts in addition the board expands the replay s i o capabilities with a second sd card slot dedicated to the fpga ethernet and usb ports a real time clock audio in socket 24 bit 96khz stereo adc and midi i o interface audio in record sampling will be driver and core dependent ethernet consists of a 100mbit controller dual port usb 2 0 hi speed host controller the replay2 board the r2 daughter board resellers amedia computer europe cbm stuff jim drew usa recommended parts here s a list of recommended parts and where to get them unfortunately the replay board is out of stock and discontinued but fear not the replay 2 board is in the making and will hopefully be ready soon tm this version will also include usb ports for hid keyboards mice buy atx power supply buy eur atx power adaptor buy eur buy usa backplate combo replay1 daughterboard buy usa dual molex power splitter buy usa atx power adaptor out of stock 68060 daughter board out of stock fpga replay board buy eur buy usa mini itx cases more coming soon unboxing and review amiga rtg test z tiny size of 140x100mm fits any mini itx cabinet z video output buffered by line driver with programmable filter option for svhs composite video out using dedicated coder z expansion slot for jamma expansion board mc68060 ethernet board etc z large xilinx fpga 1 6m gates z arm system controller z 64 mb ddr2 dram 48megxtraram 16megbase ram z high quality video output including dvi and analogue output z 3 channel programmable clock generator can generate exact base clocks for pal ntsc amiga for example z six layer pcb for good signal integrity and stability z sd slot dvi out usb ps 2 and serial connectors z wolfson hi fi quality audio dac t the internal usb connection is for connection to a host pc only cores for your fpga replay although this project started out for recreating arcade games i wondered back in 2003 if it was possible to implement a complete home computer system the available fpgas were much smaller in those days but a complete vic20 still fit now we have a large number of platforms ported including 16bit systems such as the amiga and atari st the focus is always on implementing the original hardware as accurately as possible but optional improvements are available too such as a higher speed cpu and in the amiga case more chip ram rtg graphics and modern sound with ahi support the content is provided as is without any guarantees and for educational use only use it at your own risk by accessing the files here you agree to check the individual licenses found in these files and use them accordingly or don t use them at all you can get more details on these downloads on the forum if you can t accept this please don t download anything facebook