MSX to Master System port

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By mars2000you

Enlighted (5515)

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04-11-2015, 22:41

@hit1998 : on SMS, the colors are bright as on MSX2; the pre-SMS machines (SG-1000, SC-3000, SF-7000) have colors like on MSX1, but if you play a SG-1000 game on SMS, they become bright as on MSX2.

I guess SMS users prefer their bright colors instead of the non-bright SG-1000 colors.

By segarules

Resident (37)

segarules's picture

04-11-2015, 22:58

NYYRIKKI wrote:

I think you can forget the compiling part... There are very few MSX games that you can get access to source code... so... Binary patching it is... It is not exactly fun, but can be a very learning experience for both source and target computer. I've done it for few games I ported from MSX to SVI-328. In the end I even made an AI that does it automatically... That was more fun, but definitely not the kind of project you can take before you've done few ports manually.

Congratulations for your Project to SVI. I talked with some friends and they told me this job (msx to SMS) is impossible. ;(

I saw any games ported to SMS from Zemina and Maze of Galious. So i guess that job can be made.
I know. It´s very hard activity. Like you said can be a very learning experience, yet that i don´t get the goal i will try.
How i can "patching binaries"? Disk editor?
Thanks for helping.

By segarules

Resident (37)

segarules's picture

04-11-2015, 23:18

Quote:

the value "88" is confusing. MSX1 has no palette registers. It is color 8. there are the colors 0..15.

In fact i was thinking that 88 could be an hex value. Anyway the hex value in SMS to red is $03 or R 255 G 0 B 0.

By nitrofurano

Champion (287)

nitrofurano's picture

04-11-2015, 23:58

i think you all missed the point on what @segarules mentioned in his first message in this thread - those games were ported to SG-1000 (Mark I and II), that can run on Master-System, since Master-System is not much more than a SG-1000 Mark III (it only has a checksum checker in the bios) - SG-1000 (Mark I and II) are very similar to ColecoVision, and both are different from MSX-1 mostly on the sound processor used (SN76489 instead of AY-8910) - MSX1 games also (most of them) uses 8kb of ram by default, while SG-1000 (Mark I and II) and ColecoVision has only around 1, 2kb of ram available - so, these are the constraints of converting MSX1 games to SG-1000 (and Master-System as well) - last year i submitted to Karoshi’s MSXDev contest the games CMJN and Libreway, both for MSX1, SG-1000 (also runs on Master System, since i added the checksum there), and ColecoVision, and i guess that from the sources you can find the differences among them

By gdx

Prophet (3085)

gdx's picture

05-11-2015, 01:12

There is a 8K RAM expansion for SG-1000. It was fairly widespread in Korea & Taiwan. Many game convertions from these countries need that.

By giuseve

Paladin (733)

giuseve's picture

05-11-2015, 07:48

It would be very interesting a tool to convert SMS games to MSX(2).
In fact the SMS had tons of blockbusters west games, while msx in the same years had tons of games from east that not so many people know. That was one of the reason why here in Italy C64 was a best seller.

Do someone think this coul be possible?

By giangiacomo.zaffini

Champion (267)

giangiacomo.zaffini's picture

05-11-2015, 19:30

For the case of a Z80 disassembler optimized for MSX and for eastern stuff, try this

mdz80 by rururutan

I guess it is super easy to build from sources if You are on Linux OS systems,

but You should also complile on minGW/msys or equivalent on Windows OS systems.

By NYYRIKKI

Enlighted (5399)

NYYRIKKI's picture

05-11-2015, 22:03

segarules wrote:

Congratulations for your Project to SVI. I talked with some friends and they told me this job (msx to SMS) is impossible. Crying

"impossible" is a dangerous word to use as it tends to kill the thinking process... How ever I can't blame your friends at all. I was not aware how little there is RAM in SMS.

Quote:

How i can "patching binaries"? Disk editor?

Well... My favorite is Super-X... I think it is still the best one available for this kind of purpose.

By segarules

Resident (37)

segarules's picture

06-11-2015, 01:27

Quote:

I was not aware how little there is RAM in SMS

But extra ram can be implemented in cartridges.

By segarules

Resident (37)

segarules's picture

06-11-2015, 13:02

Quote:

Well... My favorite is Super-X... I think it is still the best one available for this kind of purpose.

I saw it, thanks for all. But i don't have a msx to run it. I need any app for win-pc.

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