Coen van der Geest wrote:
>
> Hi there,
>
> is it possible with current technologies to engeneer a handheld MSX
> computer? Just for private use (hobby), not commercially.
>
> Grtz
> Coen
YES !
At the last meeting in Brazil (MSX RIO 99) Ademir Carchano showed a small PCI
board with an Altera PLD, an EPROM chip and a RAM chip. The PLD was programmed
with an almost complete MSX circuit, less the PSG and VDP. The board has also a
MSX slot and the switched power supply. Unfortunately I didn't take a picture of
this board. But somebody here may have one. I will ask for it.
He made it for use in industrial control (a cheap PLC based on MSX...). We
talked a lot about the possibility of 'programing' the PSG and VDP in the PLD.
He said that it is possible, but I think he don't want to work more on it,
because he doesn't like the limitations of MSX VDPs... And he thinks that nobody
would buy it. :-(
You know we can get an RGB LCD monitor from some types of cameras and pocket
TVs... We showed one small color LCD monitor at Jau'98+ meeting, adapted by
Ricardo Suzuki. See its pictures at:
http://mercury.spaceports.com/~coreclub/pic/jau98pm.jpg
http://mercury.spaceports.com/~coreclub/pic/jau98pe.jpg
I don't know if the laptops' LCD monitors and circuit are independent of the
main board circuit. If we could get an CGA/VGA/SVGA LCD monitor, it would be
easy to connect it to MSX through an RGB->xGA converter. The new Ademir's board
can be placed confortably in a laptop case. We just need a battery, an MSX FDD
interface and a laptop FDD, like the one I have here, but mine is external. I
made the cable for connect 26-pin laptop FDD to MSX 34-pin FDD interfaces.
I also did convert a SAMSUNG CGA COLOR monitor to accept MSX RGB. Jose
Rafanelli uses it with his GT. See pictures at:
http://mercury.spaceports.com/~coreclub/pic/jau98h.jpg
http://mercury.spaceports.com/~coreclub/pic/jau98l.jpg
http://mercury.spaceports.com/~coreclub/pic/jau98n.jpg
http://mercury.spaceports.com/~coreclub/pic/jau98pc.jpg
http://mercury.spaceports.com/~coreclub/pic/jau98ps.jpg
And also, Ademir Carchano adapted a 3D-glass of Sega Master System to view full
color 3D images with MSX2/2+. See:
http://mercury.spaceports.com/~coreclub/pic/jau98pg.jpg
http://mercury.spaceports.com/~coreclub/pic/jau98pl.jpg
I hope this helps.
Werner Kai
MSX CORE CLUB
http://www.coreclub.cjb.net
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