My new little project - CD32 Expansion Slot (prototype) - Page 2

kolla · 15 March 2017, 17:35

Quote:

Originally Posted by plasmab

I was going to add just VGA connector to mine and thats it. Maybe a header for the TTL level Serial port... but thats just for using with DiagROM (which is almost working on the Atari ST!!!).

TTL serial port with a device driver for AmigaOS would be awesome, especially if it can be slightly faster than native Amiga CIA driven serial ports are

Amiga1992 · 15 March 2017, 17:46

Quote:

Originally Posted by kolla

TTL serial port with a device driver for AmigaOS would be awesome, especially if it can be slightly faster than native Amiga CIA driven serial ports are

Gotta echo talybont:

Quote:

Originally Posted by talybont

Please don't let this thread devolve into a feature request/wish list.

plasmab · 15 March 2017, 19:21

Quote:

Originally Posted by kolla

TTL serial port with a device driver for AmigaOS would be awesome, especially if it can be slightly faster than native Amiga CIA driven serial ports are

The Amiga serial port isn't in the CIA. It's in The custom chips.

The CD32 already has the signals and they are brought out to the connector

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idrougge · 16 March 2017, 09:43

Isn't the Aux port on CD32 a TTL serial port?

plasmab · 16 March 2017, 09:46

Quote:

Originally Posted by idrougge

Isn't the Aux port on CD32 a TTL serial port?

Not sure which port you are talking about? The round din type port is a A4000 keyboard port IIRC

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Zetr0 · 16 March 2017, 10:00

@spidi
Delightful work, I look forward to seeing more =)

@plasmab

On the CD32 the AUX Port is both a Keyboard Input and a serial port

Interestingly there was a MODEM dongle made for it, I think it was call the Navigator or something similar.

plasmab · 16 March 2017, 10:06

Quote:

Originally Posted by Zetr0

@spidi
Delightful work, I look forward to seeing more =)

@plasmab

On the CD32 the AUX Port is both a Keyboard Input and a serial port

Interestingly there was a MODEM dongle made for it, I think it was call the Navigator or something similar.

I did not know that. Useless though because I'll have a keyboard plugged in there.

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kolla · 16 March 2017, 10:16

Yes, I used to have a serial port/keyboard splitter for the CD32, long vanished. About the CIAs and the serial port (and parallel port), they are what stand between the custom chips (Paula, really) and the actual physical ports. On CD32, Akiko does this job (iirc). From what I recall, Jens has written a few times that there isn't much one can add to a CD32 expansion without also having to add CIA chips to it, the SX32Pro certainly has two 8520s.

plasmab · 16 March 2017, 10:22

Erm. Not for RS232. Yes for parallel. Paula is connected to a line driver. Other bits of the serial port are controlled by the CIAs but RX/TX are not. I know this because DiagROM still outputs with the CIA missing.

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kolla · 16 March 2017, 10:25

Here is what I would add to an easily accessible TTL:
http://www.dx.com/p/bt06-bluetooth-s...-module-440026

kolla · 16 March 2017, 10:29

Quote:

Originally Posted by plasmab

Erm. Not for RS232. Yes for parallel. Paula is connected to a line driver. Other bits of the serial port are controlled by the CIAs but RX/TX are not.

Yes, you are of course correct - I see that now. RX/TX, along with AUDIN/AUDOUT (audio? really?) are the only pins on the serial port not going via CIA

http://www.ianstedman.co.uk/download...schematics.pdf

spidi · 13 June 2017, 00:23

Quote:

Originally Posted by spidi

Expansion port and VGA connector designed for Amiga CD32.

The project has been completed

Soon in stores.

https://retro.7-bit.pl/?lang=en&go=p...&name=CD32EXSL

eXeler0 · 13 June 2017, 01:43

Splendid work, Spidi!

E-Penguin · 13 June 2017, 09:01

Please excuse the ignorance, but what does one plug into the expansion slots? I have a freshly arrived CD32 which is practically begging for some kind of upgrade.

talybont · 13 June 2017, 09:24

Quote:

Originally Posted by E-Penguin

Please excuse the ignorance, but what does one plug into the expansion slots? I have a freshly arrived CD32 which is practically begging for some kind of upgrade.

As mentioned earlier in this thread: Fast RAM and IDE controller. But these are not done yet AFAIK.

E-Penguin · 13 June 2017, 13:31

I'd read that, but assumed it meant just spidi's boards in particular, rather than generally nothing was yet available.

Amiga1992 · 13 June 2017, 17:36

There's a couple old accelerators that I Would not recommend, the SX1 and SX32.
Other than that and the FMV module, nothing connects back there.

Spidi: GREAT work!!! Looking forward to IDE+Fast RAM expansion

th4t1guy · 13 June 2017, 19:27

The sx1 would not be able to work with this, as it wouldn't fit inside the cd32, but it has RGB anyways.

On nice thing about the accelerator add-ons though is I believe they support 64mb RAM. Otherwise, you need a processor board to go past 8mb.

plasmab · 13 June 2017, 19:28

Not open source = someone will have to reinvent it

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spidi · 13 June 2017, 20:38

Quote:

Originally Posted by plasmab

Not open source = someone will have to reinvent it

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Good luck for your open-source projects.

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16 March 2017, 09:43	#24
idrougge Registered User Join Date: Sep 2007 Location: Stockholm Posts: 4,332	Isn't the Aux port on CD32 a TTL serial port?

16 March 2017, 10:00	#26
Zetr0 Ya' like it Retr0? Join Date: Jul 2005 Location: United Kingdom Age: 49 Posts: 9,768	@spidi Delightful work, I look forward to seeing more =) @plasmab On the CD32 the AUX Port is both a Keyboard Input and a serial port Interestingly there was a MODEM dongle made for it, I think it was call the Navigator or something similar.

16 March 2017, 10:16	#28
kolla Banned Join Date: Nov 2007 Location: Trondheim, Norway Posts: 1,893	Yes, I used to have a serial port/keyboard splitter for the CD32, long vanished. About the CIAs and the serial port (and parallel port), they are what stand between the custom chips (Paula, really) and the actual physical ports. On CD32, Akiko does this job (iirc). From what I recall, Jens has written a few times that there isn't much one can add to a CD32 expansion without also having to add CIA chips to it, the SX32Pro certainly has two 8520s.

16 March 2017, 10:22	#29
plasmab Banned Join Date: Sep 2016 Location: UK Posts: 2,917	Erm. Not for RS232. Yes for parallel. Paula is connected to a line driver. Other bits of the serial port are controlled by the CIAs but RX/TX are not. I know this because DiagROM still outputs with the CIA missing. Sent from my iPhone using Tapatalk

16 March 2017, 10:25	#30
kolla Banned Join Date: Nov 2007 Location: Trondheim, Norway Posts: 1,893	Here is what I would add to an easily accessible TTL: http://www.dx.com/p/bt06-bluetooth-s...-module-440026

13 June 2017, 01:43	#33
eXeler0 Registered User Join Date: Feb 2015 Location: Sweden Age: 50 Posts: 2,948	Splendid work, Spidi!

13 June 2017, 09:01	#34
E-Penguin Banana Join Date: Jul 2016 Location: Darmstadt Posts: 1,214	Please excuse the ignorance, but what does one plug into the expansion slots? I have a freshly arrived CD32 which is practically begging for some kind of upgrade.

13 June 2017, 13:31	#36
E-Penguin Banana Join Date: Jul 2016 Location: Darmstadt Posts: 1,214	I'd read that, but assumed it meant just spidi's boards in particular, rather than generally nothing was yet available.

13 June 2017, 17:36	#37
Amiga1992 Registered User Join Date: May 2001 Location: ? Posts: 19,645	There's a couple old accelerators that I Would not recommend, the SX1 and SX32. Other than that and the FMV module, nothing connects back there. Spidi: GREAT work!!! Looking forward to IDE+Fast RAM expansion

13 June 2017, 19:27	#38
th4t1guy Registered User Join Date: Mar 2002 Location: Kansas City, MO, USA Posts: 683	The sx1 would not be able to work with this, as it wouldn't fit inside the cd32, but it has RGB anyways. On nice thing about the accelerator add-ons though is I believe they support 64mb RAM. Otherwise, you need a processor board to go past 8mb.

13 June 2017, 19:28	#39
plasmab Banned Join Date: Sep 2016 Location: UK Posts: 2,917	Not open source = someone will have to reinvent it Sent from my iPhone using Tapatalk

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