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PS1USB - A USB development cartridge for the Playstation 1

PS1USB is a development cartridge for the Playstation 1 allowing data transfer between your computer and your Playstation 1 over USB.
This cartridge must be used with a USB mini-B cable and the provided "ps1transfer" tool available for Windows 32/64bits and Linux 64bits.

Features:
Upload and execute a Playstation 1 executable (at 125kbytes/s)
Upload data to an address of the Playstation 1 ram
Download data from an address of the Playstation 1 memory (bios dump, etc...) at 96kbytes/s
Download the Video RAM from the Playstation 1 and export as a PNG image.
Redirect the "printf" text of your Playstation program to your computer for easy debugging.
Use the provided libsn_usb library to download/upload files from/to your computer acting as a file server.
Debugging screen with registers and stack dump whenever your program crash.
Reset your Playstation from your PC using a special reset command.
The cartridge will be able to get updated by executing an update program (via USB or CD)
A 3D printed plastic enclosure will be included to protect the electronic board.

Downloads:
PS1transfer v1.4 (tool)
libsn_usb source code
PS1USB source code

Pre-order the cartridge for 45€ and choose your country: +4€ for France or +8€ for International shipping
End of pre-orders for the 4th batch around the end of April, start of shipments of the 4th batch around mid-June 2025.
Shipping:

Video demonstration of the cartridge: