[Coco] Any news on the so called CoCo4 or Next CoCo

RJLCyberPunk cyberpunk at prtc.net
Fri Oct 22 23:09:04 EDT 2010


Maybe the project should be chanelled so it can satisfy both camps. A fully
emulated version and a hardware run one then?

----- Original Message -----
From: "Frank Pittel" <fwp at deepthought.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Friday, October 22, 2010 10:39 PM
Subject: Re: [Coco] Any news on the so called CoCo4 or Next CoCo



> On Sat, Oct 23, 2010 at 10:50:45AM +1000, Mark McDougall wrote:

>> On 23/10/2010 4:04 AM, Frank Swygert wrote:

>>

>> >On the FPGA side -- would it be possible to modify one of those

>> >proprietary

>> >cards (in software/FPGA) and tack onto an existing order to reduce

>> >costs,

>> >assuming there is one that provides suitable video?

>>

>> If you mean the proprietary boards we've designed for our customers,

>> then (in practice) no. We don't own the IP unfortunately, and have

>> no right to manufacture that design, or even an altered design,

>> ourselves.

>>

>> >I would prefer a compact hardware solution as

>> >well, it's just not been truly feasible. Total cost with a $200 board

>> >would

>> >still be around $300 (minus monitor), and then you can't do anything

>> >else

>> >with it.

>>

>> The biggest cost in any Coco4 design - whether a full design from

>> scratch or an add-on for an existing FPGA platform - is going to be

>> interfacing to legacy hardware. The cost is incurred in both pin

>> count and logic level translation.

>>

>> There are probably dozens of FPGA boards out there, some cheaper

>> than the DE1, that can readily run Coco3FPGA. Choose any board with

>> VGA out and some SRAM and interfacing a PS/2 keyboard and RS-232 is

>> cheap and trivial.

>>

>> But then if you want a cartridge port, interface to analogue

>> joysticks, composite video, SD/MMC/IDE/floppy... the cost starts to

>> add up *very* quickly.

>>

>> Of course a small market (small production runs) only makes matters

>> worse.

>>

>> So your $300 Coco is probably a little way off just yet. :(

>>

>> Regards,

>

> I don't care if my "coco" is based on an Intel cpu, fpga, etc. I don't

> even mind

> if I have to wait a bit for a "base os" like linux to initially load at

> power up

> as long reboots of the "coco" happens quickly. I'm just not interested in

> having a

> pc with it's OS that happens to be running a "coco" in an emulator window.

> I have

> that now with vcc running in wine on my desktop and don't like it. It's

> just not

> the same in ways I don't know how to put into words.

>

> As people following the list

> know I spent a few days earlier this week struggling to get my DE1 to run

> cocofpga. I got that working wednesday night and had to wait until

> yesterday

> evening to even try getting the "disks" to work via drivewire. (my

> usb-serial

> converter was in my desk at the office) I've now done more programming on

> my de1

> "coco" in the last 24hrs then I did in years on vcc or mess.

>

> I do feel that I should thank everyone that has worked to make the de1

> cocofpga

> possible. Come to the 2011 "last annual cocofest" and I'll buy you a

> beer!! It is

> truly amazing!!

>

> the other Frank

>

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>





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