SD v2.2 interface

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By muffie

Paladin (933)

Аватар пользователя muffie

16-07-2009, 15:16

man that took a long time, hope you enjoy the interface and the casing I added for you!

Actually I was not brave enough to cut the nice case that you included. I closed it back and I'm using it as a souvenir in my desk! Big smile

I'm using a Brazilian cart like this one:

users.telenet.be/msxrestarter/SD%20INTERFACE%20IN%20DECATHLON%20CASE.JPG

But, of course, my "hole" is not that perfect! :D

I had to open a round small hole at the back to fit one of the capacitors as well.

I just plugged it at slot 2 of my turbo r and it's working perfectly with just one SD. - Have to buy another one. :)

It's not possible to use more than 24mb?

Best regards, and congratulations for the MARVELOUS PIECE OF WORK...

By Erikie

Champion (324)

Аватар пользователя Erikie

16-07-2009, 20:16

for the system disk it is not possible to use more than 24mb at the moment (the new bios sharksym is working at support up to 32 mb) but you can use 256mb for floppy emulation.
Just run diskman on the SD card on your turbo R and you can start loading dsk images using your PC Smile

By muffie

Paladin (933)

Аватар пользователя muffie

17-07-2009, 15:04

Really nice stuff.
Now, I think the only thing missing is the ability to load megarom SCC games.
With only two slots, I just can't insert the SD interface + SCC cart + Megaram. Sad
/me don't like slot expanders...
MAYBE, if Erikie could create a Megaram with SCC included!

By usuario_msx2

Paladin (757)

Аватар пользователя usuario_msx2

17-07-2009, 15:42

Really nice stuff.
Now, I think the only thing missing is the ability to load megarom SCC games.
With only two slots, I just can't insert the SD interface + SCC cart + Megaram. Sad
/me don't like slot expanders...

no problem with it: http://www.msx.org/forumtopic9153.html
or buy a megaflashrom SCC from M.Pazos (KnightLore MSX2 :P)

By Erikie

Champion (324)

Аватар пользователя Erikie

17-07-2009, 19:22

Well you can flash megarom games even in your version only you need an SCC chip.
I can make the original SCC SD v2.2 interface with an cpld and see how much it would cost.
However getting new SCC chips might be a problem. Maybe sunrise can help us to get those?
As they also bought scc chips for manbow 2....

By enribar

Paragon (1206)

Аватар пользователя enribar

18-07-2009, 19:55

MSX SD Reader works on the 1chip MSX!

By muffie

Paladin (933)

Аватар пользователя muffie

20-07-2009, 01:05

Erikie, looking at your work, I must say that pretty much anything useful that you're working on: I want it! Smile
If you have plans to create a SCC v2.2 version, count me in. There are already several ppl here in Brazil interested into mine! Smile
I've passed your mail to them anyway.

Best Regards,

*PS* Is not possible to create a new version with a second "flashable" memory, 8k "pagable" mapper and SCC that could be used to load Konami games? That way, the switch could have three positions: Internal ROM (DOS), nothing or loaded game?

By enribar

Paragon (1206)

Аватар пользователя enribar

20-07-2009, 09:29

Some photos of the MSX SD Reader working on 1chip MSX are here:
http://groups.yahoo.com/group/msxitalia/message/8964

By Erikie

Champion (324)

Аватар пользователя Erikie

20-07-2009, 13:50

Hi Muffie,

That is exactly what I will look into. As this should be very easy to do!

I already have vhdl code ready for it but no time to experiment on it Sad
As soon as I have a prototype ready like this I will let you all know

By dhau

Paragon (1570)

Аватар пользователя dhau

21-07-2009, 00:56

Erikie, if in future you'll make a CPLD based interface with full SCC sound emulation, I'll surely buy one! If it can show name of currently selected disk image on optional LCD you've bought for experiments, then it'll be more awesome then Mr. T, Rambo and T-800 together!

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