OCM not loading Konami non SCC games

بواسطة 98PaceCar

Supporter (8)

صورة 98PaceCar

20-09-2008, 23:47

Hi,

I've been trying to get my OCM to load any of the non SCC Konami games (in particular Metal Gear 1 and Vampire Killer), but no matter what I try, they don't work. All I ever get is a continuous reboot cycle and have to power off and back on to get it to reset back to dos.

I have my OCM configured with slot 2 as an SCC RAM cart, but have also tried it in slot 1 (I'm running firmware 2.2b). I've tried with the latest ROMLOAD (1.99u) using the /C /S options as instructed, but that doesn't seem to work. I've also tried with ngload.com and mgload.com.

I have been through about 10 different roms from various sources, but nothing seems to work. I have checked the speed on my OCM (running at the slow speed) and am running it in VGA mode if that makes any difference.

Any help will be much appreciated!
98PaceCar

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بواسطة Jipe

Paragon (1594)

صورة Jipe

21-09-2008, 10:46

Metal Gear 1 and Vampire Killer have a normal konami mapper and not SCC mapper
you can replace mapper instruction in rom
32 00 40 by 32 00 50
32 00 60 by 32 00 70
32 00 80 by 32 00 90
32 00 A0 by 32 00 B0
after loading in scc ram and work

بواسطة 98PaceCar

Supporter (8)

صورة 98PaceCar

21-09-2008, 17:14

Doesn't Romload auto patch that? I'll give this a shot and see what happens though. Thanks!

بواسطة 98PaceCar

Supporter (8)

صورة 98PaceCar

22-09-2008, 05:05

After some more testing, I've found that these roms will load perfectly if I use scrom.com instead of romload.com (or ngload.com and mgload.com). I thought that romload was based on scrom and had all of the same compatibilities?

It's not a major deal, just trying to understand why it works this way.

Thanks!