image image image image image image image image image image image image image image

SHVC-2A3M-01

A board containing two ROM chips, 64k of RAM, and a MAD-x decoder

All PCB information based on a document by Overload

Supported ROM sizes

  • 10 Mbit
  • 12 Mbit
  • 16 Mbit

Supported RAM sizes

  • 64 kbit

On-board chips

Chip numberChip type
U1MASKROM P0
U2MASKROM P1
U364k SRAM
U4MAD-1
U5CIC

ROM Registration

A properly formatted internal header should have these values

Memory Address Value Explanation
FFD520H / 30HMap Mode
FFD602HCartridge Type
FFD70BHROM Size
FFD801HRAM Size

Memory Mapping

In order to get a game to work properly on an emulator, the following mapping should be used for this PCB.

Bank Address Usage
00-7F8000-FFFFROM
70-7F0000-7FFFRAM
80-FF8000-FFFFROM (MIRROR)
F0-FF0000-7FFFRAM (MIRROR)

Games that use this PCB type:


© Evan G. This site made by a Canadian, and fueled by beer. Do not use material on this site without permission.