MSX HDMI mutlimedia card

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By Buleste

Master (158)

Аватар пользователя Buleste

12-01-2016, 12:33

Looking awesome. I'm so glad this project is still up and running.

By Grauw

Ascended (9397)

Аватар пользователя Grauw

12-01-2016, 12:54

Very nice!

By DarkSchneider

Paladin (939)

Аватар пользователя DarkSchneider

12-01-2016, 14:20

How could it be connected with sound to CRT TV via Scart?

From beginning I saw this project very interesting as the way to revive all the MSX1 and set the MSX2+ as the new standard for software, because anyone could have one.

By Halfaxle

Resident (52)

Аватар пользователя Halfaxle

12-01-2016, 17:24

DarkSchneider wrote:

How could it be connected with sound to CRT TV via Scart?
...

WAT? Shocked!

By maxis

Champion (512)

Аватар пользователя maxis

12-01-2016, 17:48

Buleste wrote:

Looking awesome. I'm so glad this project is still up and running.

Grauw wrote:

Very nice!

Thank you. I'll be at Nijmegen fair this year for the demo.

By DarkSchneider

Paladin (939)

Аватар пользователя DarkSchneider

13-01-2016, 09:27

Halfaxle wrote:
DarkSchneider wrote:

How could it be connected with sound to CRT TV via Scart?
...

WAT? Shocked!

Easy, go to 1st page:

Quote:

Also it can act as the MSX1->MSX2+ upgrade kit/accelerator/storage/multimedia extender etc.

If I want to upgrade my MSX to MSX2+, but using the same TV. For "upgrade" feature a way to be used in this manner would be needed, because the MSX is already connected to a CRT TV probably via RGB/Scart.

By maxis

Champion (512)

Аватар пользователя maxis

13-01-2016, 10:56

DarkSchneider wrote:
Halfaxle wrote:
DarkSchneider wrote:

How could it be connected with sound to CRT TV via Scart?
...

WAT? Shocked!

Easy, go to 1st page:

Quote:

Also it can act as the MSX1->MSX2+ upgrade kit/accelerator/storage/multimedia extender etc.

If I want to upgrade my MSX to MSX2+, but using the same TV. For "upgrade" feature a way to be used in this manner would be needed, because the MSX is already connected to a CRT TV probably via RGB/Scart.

@DarkSchneider
See, inside your MSX1/2 TMS9918/V9938 can't magically disappear and be replaced by emulated V9958 to get the MSX2+ functionality.
Therefore, the only way to get the emulated V9958 MSX2+ video out from your present MSX+Procyon setup is to connect the monitor/TV to Procyon card. But Procyon has no analogue connectors, only HDMIs, which are digital. The whole point of Procyon in video is to bring the same gaming experience on HDTV as on your old CRT (in terms of delay/timing/dynamic picture), but without any distortion, chromatic aberration, astigmatism, sync jitter, cross colors (or/and RGB cable crosstalk) and all other goodies attributed to the old day CRT TVs.
Also modern LCD TVs have a more than a 1 frame delay when using the SCART analogue connector due to the filtering and noise reduction, therefore the game video is lagging behind.

That is why I've dropped the SCART connector altogether from the start of the project.

I'm sorry if the confusion was created, but there are no analogue video outputs on Procyon card.

Besides, outputting the V9958 video stream from MSX1 by the means of TMS9918 is physically not possible (see in short the message from Halfaxle).

By DarkSchneider

Paladin (939)

Аватар пользователя DarkSchneider

13-01-2016, 12:15

@maxis I know. But I read something related about "interlaced". So maybe a cable would be made, HDMI-to-Scart (like a VGA-to-Scart), and maybe using a 2-headed cable, 1 for HDMI port and other for MSX-Scart connector, and get the audio and auto-switch pins from there.

Because that I say "a way", not like connecting the Scart cable to Procyon directly. It would be interesting to use that work on "interlaced" so the same display could be used.

By AxelStone

Prophet (2765)

Аватар пользователя AxelStone

13-01-2016, 12:29

I suposse that at this point, the image converters are needed, it's a very popular option nowadays. I see 2 options:
1.- Get a scanline generator if you are going to use a LCD TV and want to get a similar experience to original.
2.- Get a digital to analog converter, this is, HDMI to Scart box.

@maxis Does we have an estimated launch date and price? Smile

By Halfaxle

Resident (52)

Аватар пользователя Halfaxle

13-01-2016, 12:53

You can try some hdmi2scart cables/boxes already present in a market if you want to keep the authentic displayWink
HDMI is the biggest (at least one of) point of MSX HDMI multimedia card. It's nice to have a way to HDMI the MSX easily.
It's pity, but VGA already dead. AV and SCART are still in place somewhere, but it seems more like an artificial temporary solution, as Maxis noted.

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