The news archive is here.
Replay2 is still in layout and a few things are awaiting design closure (primarily memory configuration). The FPGA chosen is a Xilinx Ultrascale+ device (super fast) with Quad core A-53s, dual R5s and a Maii GPU. The CPU section has DDR4 DRAM, and the FPGA most...
Still a lot of work going on to move the codebase to the new github repositories and roll out multiplatform support - initially for the Arduino Vidor. Some binaries have been put here while we faff about https://github.com/FPGAArcade/replay_release Including...
I've released a new version of the Amiga core (https://github.com/FPGAArcade). New features : 48M XRAM mapped as Chip and all chipset DMA pointers support 64M addressing (optionally enabled in OSD / .ini file) CPU cache stable - 2 way I + D with full snoop. ~16000...
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
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).
ATX Power Supply
ATX Power Adaptor
Backplate (Combo Replay1 & Daughterboard)
Dual Molex Power Splitter
ATX Power Adaptor
68060 Daughter Board
FPGA Replay Board
(More Coming soon)
Unboxing and Review
Amiga RTG Test
Tiny size of 140x100mm, fits any mini-ITX cabinet.
Video output buffered by line driver with programmable filter. Option for SVHS/Composite video out using dedicated coder.
Expansion slot for JAMMA expansion board, MC68060+Ethernet board, etc.
Large Xilinx FPGA (1.6M Gates).
ARM System controller.
64 MB DDR2 DRAM. 48MegXtraRam+16MegBase ram.
High quality video output including DVI and analogue output.
3 channel programmable clock generator – can generate exact base clocks for PAL/NTSC Amiga for example.
Six layer PCB for good signal integrity and stability.
SD slot, DVI out, USB*, PS/2 and serial connectors.
Wolfson HI-FI quality audio DAC.
*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.
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