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  • Categories AGAT-7 FPGA Microcontrollers and FPGA My Projects Retro computers Retrobyte

Moving AGAT-7 retro-computer project to the “Retrobyte” platform

  • Post author Electronics Fun
  • Post date 12/01/2017

As you may remember, I’ve designed a universal platform for building retro-computers, “Retrobyte”. I successfully tested it by creating the “Mikro-80” computer a few months ago, and now I’m working on adapting my other retro-computer project “AGAT-7”, to this platform. …

  • Categories AGAT-7 Altera DE1 dev. board FPGA Microcontrollers and FPGA My Projects Retro computers STM32

AGAT-7. Rev.0 summary and start of Rev.A design.

  • Post author Electronics Fun
  • Post date 01/05/2013

I’m finalising my Rev.0 of the modern retro-computer “AGAT-7” replica. The next step will be Rev.A design with fixed mistakes, improvements, and new ideas. In this post, I’m going to summarise the Rev.0 experience and share with you some ideas …

  • Categories AGAT-7 FPGA Microcontrollers and FPGA Retro computers

Agat-7. Rev.0. CPU, memory and joystics

  • Post author Electronics Fun
  • Post date 03/10/2012

Let’s go to the following part of the schematic. Today it is the CPU, the SRAM and the joysticks. Here it is: “Agat-7” has 96Kb of RAM, so we need a 128Kb SRAM chip. We can use 128K x 8bit …

  • Categories AGAT-7 Altera DE1 dev. board FPGA Microcontrollers and FPGA My Projects Retro computers STM32

Agat-7. Rev.0. Floppy-drives emulators.

  • Post author Electronics Fun
  • Post date 17/08/2012

At the moment, I’ve completed the schematics, and I’ve started to work on the PCB layout. There will be some changes caused by discovered mistakes or better layouts. So, please, treat it as a draft at this stage. Please, let …

  • Categories AGAT-7 FPGA Microcontrollers and FPGA Retro computers

Agat-7. Rev.0. Video output.

  • Post author Electronics Fun
  • Post date 01/08/2012

I’ve spent some time debugging STM32L based 140K “floppy drive” for my “Agat-7” replica project. It is already perfectly workable in read-only mode. I transferred it to the SPI interface to save some FPGA pins, and now I need only …

  • Categories AGAT-7 Altera DE1 dev. board FPGA Microcontrollers and FPGA Retro computers

Agat-7. What has been already done.

  • Post author Electronics Fun
  • Post date 08/05/2012

In this post, I will show what has been done in the project. First, an extension board for DE1, which contains a socket for 6502 CPU, was made. I used a toner transfer method to make a PCB. The board …

  • Categories AGAT-7 Altera DE1 dev. board Microcontrollers and FPGA Retro computers

Agat-7. Project concept.

  • Post author Electronics Fun
  • Post date 11/04/2012

Let’s discuss the concept of the replica of the Agat-7 computer. This version is not final and can be (and most likely will be) adjusted. As usual, all your ideas are welcome! CPU. The project will use a Bulgarian 6502 …

  • Categories AGAT-7 Altera DE1 dev. board FPGA Retro computers

Agat-7. Introduction.

  • Post author Electronics Fun
  • Post date 02/04/2012

After the “UT-88” computer’s trial project, let’s start with a much more serious project. We will design and build another Soviet computer – AGAT-7. In this case, the DE1 board will be used only for prototyping – the computer will …

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Recent Comments

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  • Electronics Fun on AGAT-7. Rev.0 summary and start of Rev.A design.

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