MMM cartridge + MSX -> ColecoVision's games

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Van enribar

Paragon (1109)

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02-05-2020, 12:33

My workstation is a Philips NMS 8245 + MFR (slot1) + MMM (slot2) and I've tried both collections of games provided by this thread and MSX Repro Factory. The results of my tests are these:
- Sega : .SMS and some .SG files return this error "memory mapper not supported"; some games don't support the 2nd joystick button;
- Coleco : Repro Factory games start, but some of GDX's collection return some error (I don't remember).
Before I list the items that don't start, the first question is: does my workstation (with the MFR) is ok for the MMM?

Van gdx

Enlighted (4185)

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02-05-2020, 13:12

How much RAM has your 8245? Your MFR has 512kB?
What software did you use to run .SG files? Which .SMS files have you tried?

Van Grauw

Ascended (9683)

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02-05-2020, 13:39

What if you put the MMM in slot 1 and the MFR in slot 2?

If that helps, the games should probably detect the MMM slot rather than assuming it is the primary mapper.

Van gdx

Enlighted (4185)

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09-10-2020, 14:43

I added Choplifter.

Download: COL4MMM.zip

Van TaylorsEverythingChannel

Champion (393)

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10-10-2020, 18:01

The MMM section. I see that you guys are talking about Sega, I had an idea instead of emulating SMS games. Why not do SMS to MSX conversions? MSX to SMS / SG or SG to MSX is easy enough, but I'm really, REALLY interested to see this kind of activity.

Van gdx

Enlighted (4185)

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17-10-2020, 08:41

I added Burn Rubber.

This is perhaps possible with the v9990 but I don't plan to convert SMS software.

Van gdx

Enlighted (4185)

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18-10-2020, 11:16

I added Cabbage Patch Kids - Adventures in the Park.

The conversion was easier than I thought.

Van TaylorsEverythingChannel

Champion (393)

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18-10-2020, 14:00

What? How can it be when I tried when doing a ROM conversion? Is it that it's OUT (0xC0), A or OUT (0xA0),A?

Van gdx

Enlighted (4185)

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18-10-2020, 14:19

The only difficulty was this:

8052:	ld	a,i
8054:	jp	po,#8059

I had to remove the JP PO for the game to work. I don't know the reason but luckily I remembered seeing this in the Space Invader conversion.

Van TaylorsEverythingChannel

Champion (393)

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18-10-2020, 16:40

Hmm... Okay, I will see if I can do this.

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