THOMSON MOTO SOUND CARD
Modérateurs : Papy.G, fneck, Carl
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
Than, we can decide togather.
a7ff and e7ff ?
In this way we can use less inverter gate to chip select.
Do you prefer a pass-through connetor?
a7ff and e7ff ?
In this way we can use less inverter gate to chip select.
Do you prefer a pass-through connetor?
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- Messages : 7987
- Inscription : 18 sept. 2010 12:08
- Localisation : Brest et parfois les Flandres
Re: THOMSON TO8 SOUND CARD
This is possibly a stupid question, but how about to let the user select the address (sub-range) with jumpers ?
Someone mad enough, might try to put several of these cards to produce even richer music (*) involving more channels using two of these cards for instance.
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(*) and why not stereo -- though I think the sound is pushed back onto the mono output of the SCART. So no.. this is stupid... Well forget my thinking. This may be total bull sh*t..
Someone mad enough, might try to put several of these cards to produce even richer music (*) involving more channels using two of these cards for instance.
___
(*) and why not stereo -- though I think the sound is pushed back onto the mono output of the SCART. So no.. this is stupid... Well forget my thinking. This may be total bull sh*t..
Samuel.
A500 Vampire V2+ ^8^, A1200 (030@50mhz/fpu/64mb/cf 8go),
A500 GVP530(MMU/FPU) h.s., R-Pi, TO9, TO8D, TO8.Démos
A500 Vampire V2+ ^8^, A1200 (030@50mhz/fpu/64mb/cf 8go),
A500 GVP530(MMU/FPU) h.s., R-Pi, TO9, TO8D, TO8.Démos
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
_sam_ is not a stupid question. We can add another PSG to the same card to pass fron 4 to 8 channels. For stereo saound we can decide to introduce two RCA connectors. We can decide togather. This topic has this purpose.
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- Messages : 2366
- Inscription : 06 avr. 2009 12:07
Re: THOMSON TO8 SOUND CARD
I'd rather put a 3.5mm stereo jack, so I could reuse one of my old sets of PC speakers
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
Fool-DupleX good idea
Re: THOMSON TO8 SOUND CARD
I vote for a single card with :
- 2x SN76489
- stereo jack output
it implies to have a switch to set it mono to the scart (both chip outputs) or stereo to the jack (one chip on left and one to the right) ?
- 2x SN76489
- stereo jack output
it implies to have a switch to set it mono to the scart (both chip outputs) or stereo to the jack (one chip on left and one to the right) ?
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
I think is possible that card pass to stereo mode automatically by inserting the jack.
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
Ok, i'll wait for other users opinion to eventually modify the project.
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
Only to enjoy. Attached in file the stereo sound card kicad project version mapped at a7fe-a7ff for MO ans e7fe-e7ff for TO.
- Pièces jointes
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- SN76489_MOTO_STEREO.rar
- (107.13 Kio) Téléchargé 120 fois
Re: THOMSON TO8 SOUND CARD
Nice and fast ! Congrats
From a practical point of view :
I think it is better to have the audio jack on the side rather than the top.
Facing up it will :
- collecting dust
- cause mechanical stress on the board
- the cable will be in front of the screen
I think it will be better on the right side (where the scart is) and lower as possible.
What others think ?
From a practical point of view :
I think it is better to have the audio jack on the side rather than the top.
Facing up it will :
- collecting dust
- cause mechanical stress on the board
- the cable will be in front of the screen
I think it will be better on the right side (where the scart is) and lower as possible.
What others think ?
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
right observation. I agree.
Re: THOMSON TO8 SOUND CARD
Cela implique-t-il qu'on ne pourra pas utiliser à la fois SDDRIVE et le projet de dinoprodest ? Le minibus de Daniel ne peut-il pas servir ici ?When your sound card is connected to the TO8 no other device can be used, because there is only one expansion connector. This avoid any conflict.
Asic512
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
you can even use the sound card as last of minibus.
Re: THOMSON TO8 SOUND CARD
Oui, le Minibus permet de connecter la carte son et deux de mes contrôleurs (SDDISK, SDSTREAM, SDDRIVE, CX90-2018, etc.). Et même plus, car on peut empiler plusieurs Minibus l'un derrière l'autre.
Par contre il ne permet pas de connecter deux contrôleurs à connecteurs nez de carte, par exemple la carte son et une interface IEEE.
Si la carte son avait un connecteur semblable à celui de SDDRIVE on pourrait, avec le minibus, connecter aussi un contrôleur Thomson.
Daniel
L'obstacle augmente mon ardeur.
L'obstacle augmente mon ardeur.
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- Messages : 312
- Inscription : 01 févr. 2020 20:31
- Localisation : Rome - Italy
Re: THOMSON TO8 SOUND CARD
Daniel, we can decide all togather. Also pin strip connector is simpler to find.