SHDS3_NES

WIP NES Core for Super HD System 3

This is a work in progress core for Super HD System 3 based on the open source FPGANES core: https://github.com/strigeus/fpganes

SD card setup

Copy the SYS folder to the root of the SD card. If you already have a SYS folder, you can just copy the NES folder that is inside SYS to your sd card SYS folder.

Building the core

To build the core, you'll need Xilinx ISE 14.7.

• Open the pcesd_nes.xise
• When building the core for the first time, you'll need to regenerate the codes, to do so select the xc6slx25-2csg324 node, and in the bottom box, expand Design Utilities and double click Regenerate All Cores
• Select the PCESD_NES core
• In the bottom box, double click Generate Programming File
• Once finished, you'll have a file named PCESD_NES.bit in the project directory. Rename it to fpga.bit and place in the SYS/NES folder in the memory card.

Known Issues

• RGB output csync is not correct
• In game reset or holding reset button doesn't properly reset to the SHSD3 Menu
• Mapper support is incomplete

For discussion and support with this core please join the TerraOnion Discord:

https://discord.gg/JexuJVW

Documentation on FPGA signals and how to build your own core will follow shortly