WarthogDriver wrote:
Also, how do you hack mapper? Why hasn't anyone else done this?
Essentially what a mapper does is turn the pages, so to speak, in the ROM. You have to find the commands that the program gives to the mapper and replace them with commands designed for another mapper, and you first have to know how to program in assembly language to do this.
Quote:
Do you have a list of all the PCB types and which games are for which and how to solder an EPROM to which ones?
There are about a
couple hundred different mappers. Several of these mappers have a few distinct variants, such as whether or not the game has extra RAM to work with, or whether the graphics are stored in a separate ROM or are copied from the program ROM to RAM. Usually several different games will use the same PCB, and with very few exceptions, any game using a given PCB can be converted to another game using the same PCB by replacing ROMs and rewiring the ROM to match the
slightly modified pinout of Nintendo mask ROMs. Each game's page on
NesCartDB will tell what mapper and what PCB it uses.
But if you just want to play, get a PowerPak. A lot of people come to nesdev.com asking how to make repros to play, and they end up turning around and making repros to sell, and that's sort of looked down on.