MSX 2 SMS convertions/hacks, possible for MPAGD?

[amaweks]

I do not know if people here are aware, but the guys at SMS Power forum, dedicated to Sega Master System homebrew and hacks have converted quite some MSX games to run on SMS (since it uses the Z80, PSG, and has the video modes from the SG series that work like the MSX1 video modes).

www.smspower.org/forums/16445-MSXToSMSHacks

Would be possible to convert or hack and MPAGD MSX game to the master system using their method ? Or even better, since we have the project source code and ASM files from the engine could we compile a msx game directly to run o SMS?

It seems that they hack the games adding the bios features on 16kb before the game .rom bytes, and make adjustment on pointers. Something that scapes from my knoledge, but do not seems impossible.

Do not know about every one, but I sure would love it.

[roolandoo]

Interesting!!
I have no idea but it would be fantastic !!

[daveysloan]

Being able to do Master System conversions would be immense.

The Master System homebrew scene is pretty cool too. Love the version of Bruce Lee that they've done.

[oss003]

If the videochip is the same, then the changes for MPAGD will not be to difficult.
Probably the videochip addresses, keyboard and sound differs from the MSX.
I think José Luis Tursan is the right man to talk to because he wrote the MSX port.

[jltursan]

Most probably it could work without too much effort...
I don't have any details of what's is involved to convert an MSX game to SMS; but having the same video modes it can be just a matter of changing some port numbers, leaving the audio system (based on the SN76489) as the biggest hurdle. I have never found a SN76489 good PT3 replayer routine so some probably some AY-8910 emulation degree is needed.
RAM is also enough, so no problem here.