Zemmix Neo project in Korea. (OCM based Zemmix with CNCed case)

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By boss_msx

Champion (415)

boss_msx's picture

16-09-2013, 19:57

Yes, the image is improved! The screen seems a bit brighter and the vertical lines are less visable... they are still there but great result! ( the MSX Bootscreen is still without any flaws)
Another thing that has some change is that I could only get image with jumper 2=ON and 3=OFF. Now, with the update, when I turn 3 to ON I get (nice)horizontal scanninglines in the MSX bootscreen, which is kinda cool, but then the screen turns black and never goes on again.

The blinking load led has changed from first to the last led, thats better also.

No change in my boot with SD inserted problem :-( Maybe it's a hardware defect as non of the other Zemmix owners share my problem...

By boss_msx

Champion (415)

boss_msx's picture

16-09-2013, 19:59

And...My Spacemanbow 2 cartridge doesnt work properly on the Zemmix...did any of you try it yet? If you do, let me know the results :-)

By KdL

Paragon (1060)

KdL's picture

16-09-2013, 20:41

Hi! My setting is DIP-SW 1-8 = ON ON ON OFF ON OFF OFF ON and my Zemmix Neo works very fine.
The position of LEDs is the same of OCM turned left of 90°.
The vertical interferences are not visible on my monitor now.
The orizontal scanline are regulated from the rear trimmer of Zemmix Neo: no black screen after boot and no problem with my sdcard (verbatim 2gb and kingston 1gb)..... other people with that problem?

The Manbow2 is a game that works at 50Hz.
When you play it at Dip-SW 2-3 ON-OFF you go at 60Hz and the game have problems with the sprites.
Have you a monitor with 50Hz support?
Dip-SW 2-3=ON-ON is VGA+ and works at 50Hz+60Hz like a normal MSX: with a normal monitor you go with a black screen.
To get hardware scanlines Off you can turn left the rear trimmer at max!!

By Pablibiris

Paragon (1579)

Pablibiris's picture

16-09-2013, 21:00

Well I tried this update Smile
All ok here,no problems with my SD Kingston 2gb.
My image quality is a little bit better!
Accidentaly I push "Imp.Pant/Pet Sis" ley (in spanish keyboars,is next left the Pause key) and the image turns great!! The lumminance like my real MSX and without interferences!!
Wich is the function for this key?

By KdL

Paragon (1060)

KdL's picture

16-09-2013, 21:30

@Pablibiris:
the PLD for Zemmix Neo is inside of ''32rc5_for_zemmix_neo.7z'' file.
Do you have updated the correct file? The other is only for 1chipMSX.

Pause Key is Lights On/Off toggle: the LEDs of Zemmix Neo make interferences with the normal 1chipMSX firmware

readme.txt is to read... Wink

By boss_msx

Champion (415)

boss_msx's picture

16-09-2013, 21:30

I'm using a Samsung "55 8000 series led...with a vga to hdmi converter in between. Some of my problems with image turning black could be solved by using a normal vga monitor. So don't worry about that, I will have to live with that :-) I just find it strange that only the bootscreen shows perfect image...it gives me reason to think that it could be solved with software.

By KdL

Paragon (1060)

KdL's picture

16-09-2013, 22:05

the original firmware has an other vdp... it's an msx2, the actual bios is not good for this version but you can try the boot with a normal sd-card and MSXDOS2 only.......... try it please! Wink

By Pablibiris

Paragon (1579)

Pablibiris's picture

16-09-2013, 22:17

oh...sorry! you dont understand me Smile
I readed the txt file...I think that the problem is my bad english...sorry.
Im talking about the key between F12 and the Pause key. In my spanish keyboard,this key takes a snapshot to the clipboard (in the PC).
well...when I push this key,the image quality is great!
Wich is the function for this key?
(and again...sorry for my bad english)

By KdL

Paragon (1060)

KdL's picture

17-09-2013, 00:17

ehm????????? sorry to you!

the Print Screen is the toggle of Display Output... DIP2-3 are the same!

DIP2-3 = OFF-OFF for Composite/S-Video
DIP2-3 = OFF-ON for SCART RGB 15KHz
DIP2-3 = ON-OFF for VGA 60 Hz 31KHz
DIP2-3 = ON-ON for VGA 50Hz+60Hz 31KHz

V3.2 RC5 has the VGA half luminance with 1chipMSX and the VGA full luminance with Zemmix Neo.

note: for a guide, you can check inside of the OCM-PLD Pack v3.1

By Pablibiris

Paragon (1579)

Pablibiris's picture

17-09-2013, 00:43

Nice KdL!!
I understand all Smile
Thanks again!

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