Hacking CPS emulation on the DS or lack thereof.

Jugarina · Mar 17, 2011

I noticed there are cps1 and cps2 emulators for the PSP released years ago but not for the DS even today. My question is how come that is. Is there CPS emulation in the works by anyone yet for the DS or already available somewhere on the net?

Thanks.

Zero

Nathan Drake · Mar 17, 2011

DS itself presumably lacks the RAM to handle such emulation. DSi may be able to do it if developed for DSi mode in such a way that it utilizes the extra RAM.

Hell, the DS can't handle emulation much beyond the NES and GBC as it stands now.

Jugarina · Mar 17, 2011

Seems to run super nintendo and neo geo games well. If It can emulate neo geo games at 60 frames per second most of the time then how could CPS games be that much more stressing on It?

KnightFire · Mar 17, 2011

D'oh! I read that as CPC emulation, sorry, no CPS emulators for the NDS that I know of.

http://www.portabledev.com/pages/ds/nds-emulation.php

Jugarina · Mar 18, 2011

Do I have to get permission from the guy that made the cps1 and cps2 emulators on the PSP to try and start my own project of porting It to the DS?

I want to be able to play Darkstalkers and some of my other cps games on my DS. I know this can be done but I just need direction and some help. I have lots of time and programming experience and want to start this project asap.

Any help would be appreciated...Thanks.

Daca619 · Aug 7, 2023

Jugarina said:
Do I have to get permission from the guy that made the cps1 and cps2 emulators on the PSP to try and start my own project of porting It to the DS?

I want to be able to play Darkstalkers and some of my other cps games on my DS. I know this can be done but I just need direction and some help. I have lots of time and programming experience and want to start this project asap.

Any help would be appreciated...Thanks.

Lol 12 years have passed but PLEASE tell me you achieved something....

Angelus · Aug 7, 2023

Daca619 said:
Lol 12 years have passed but PLEASE tell me you achieved something....

It would be a complete delight to be able to play some Street fighter alpha (I could say that I wanted to play 3rd strike but hey, it's worth dreaming

Coto · Aug 7, 2023

Daca619 said:
Lol 12 years have passed but PLEASE tell me you achieved something....

Angelus said:
It would be a complete delight to be able to play some Street fighter alpha (I could say that I wanted to play 3rd strike but hey, it's worth dreaming

I've got Blargg's SPC core (C source code) to run on the Nintendo DS ARM7 processor, being a 3.58 MHz processor, and i've got like 6 samples (out of 32000hz) per second which translates to being slow as molasses. Core has to be written in Assembly.

Fortunately there's NeoDS which is a Neo Geo emulator on DS, whose CPU is written in ARM code through LLE emulation.
HLE graphics are OpenGL'ed.

Could be done by reusing the CPU core, but no way you can get ARM7 to run both Z80 @ 8 MHz Sound Chips & Q Sound @ 4 MHz
unless these cores are HLE'ed.

Nikokaro · Aug 7, 2023

Daca619 said:
Lol 12 years have passed but PLEASE tell me you achieved something....

Damn! I thought this was a new thread, instead you made a super-mega-hyper-ultra necropost.

To hell with it!
The thing would be possible from SD slot of a DSi (more powerful processor, more available RAM) but almost impossible for DS Phat/Lite (except with long, tedious and thankless optimization work): NeoDS is a one-time exception, the product of genius.

Regarding that user, he/she has long since left behind this world with all its suffering, I fear...

Hacking CPS emulation on the DS or lack thereof.

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