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MENU FOR NEO GEO 161in1 MULTICART

 _____               _     _____ _____ 
|  _  |___ ___ ___ _| |___|_   _|  |  |
|     |  _|  _| .'| . | -_| | | |  |  |
|__|__|_| |___|__,|___|___| |_|  \___/ 

Menu Screenshot


This aims to be an alternative menu for a modded chinese 161in1 v3 multicart that was fully reverse engineered by vortex in 2023.

Please see this flowchart, it outlines the process of modding a cartridge. A full writeup with all the details is currently not available.


Configuration Options

You can change the settings in config.asm to fit your needs.

Name Description
THEME Changes the colors used in the palettes
0: NEOGEO Style
1: UNIBIOS Style

Building

Requirements:

  • Windows x64
  • All files from this repository incl. the _tools folder
  • A gameslist.asm file (see details below)

On Windows use the build.bat file to start the toolchain. When everything works as expected you'll find the roms ready for the modded 161in1 V3 in the copy_to_vortex_repo folder.


Run the menu in MAME

Although this was made to be used on real hardware, you can run it in MAME:

The easy way

  1. Add a MAME executable to the MAME folder
  2. Add a bios (neogeo.zip) to MAME/roms
  3. Run build.bat
  4. Run emu.bat or debug.bat to launch MAME

In your own MAME folder

  1. Run build.bat
  2. Open MAME\hash\neogeo.xml from this repository in any text editor and copy the element <software name="menu"> till </software> into the neogeo.xml from your MAME folder.
  3. copy the folder MAME\roms\menu (where the roms are located) to your MAME setup.
  4. Open a commandline terminal in your MAME folder and run MAME like this: mame.exe neogeo -cart1 menu or mame.exe neogeo -cart1 menu -debug if you want debugging features.

How to Play

Control Function
Up former list index
Down next list index
Left previous page
Right next page
A launch games
B toggle game infos
C unused
D toggle credit screen

Gameslist

The list-entries in the rom come from the gameslist.asm file which is included upon building the rom. It has several sections to store data that has relations to other data, such as MEG-count, release year, publisher and category.

[!] The order of your gameslist and the roms you flashed to your ICs need to match. Please double check the ordering!

You can generate both gameslist.asm and games.txt dynamically from my generator. Just follow the instructions on the page.

This is not about any "Master List" or Homebrew-Conversions - it's a cart with flash-roms that can hold any software the system is capable of (some mapper limitations apply), so please do not see my Google Sheet as "This must be on your cart", but as a template for the correct format to get your own folder-contents into a) a gameslist.asm for building the custom menu and b) the games.txt for the vortex compiler that packs your roms into big binaries for programming your chips. The Google Sheet could as well be empty, but then you would have to fill all the meta data yourself.


Limitations

Text Max characters
List Entry 32
Game Info 22
Megs 3

About

Alternative menu for the 161in1 v3 cart

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