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Re: Gryphon 68030 [message #776 is a reply to message #774]

Sat, 11 June 2016 10:43

yoda
Messages: 125
Registered: October 2015
Location: Cedar Rapids, IA

Senior Member

Hi Will

Paul and I had talked about the ROM at 0 in the Gryphon and that was a planned change in next version - it is pretty simple to do. The problem with 68040 and 060 is there is no dynamic bus sizing support so things now all devices have to be 32 bit wide (Rom, ram, I/O). There are ways around it like the 68360 and 68150. Andrew and I played with the 68360 a while ago and might be time to resurrect it. It is definitely not for the faint of heart to program (there are so many registers and modes for the device). It does provide some useful I/O and a dynamic memory controller. Knowing what I know now from the Gryphon bring up and other things I think it might be a useful device to bring back (I guess I will have to dust off my proto board and remember where I left off). Andrew's and my intentions were to eventually marry this to a 68040 - that might be the next direction after getting a core Gryphon running smoothly.

I have also thought about FPGA's in the design but the drawback is that you have to "download the design" into the FPGA before you can use, so if you don't have some way of boot code sequence, you have a hard time using them for glue logic. I got a bunch of Altera Max 7128slC84's which are relatively cheap from UtSource and they are 5 volt tolerant versions and the JTAG pod for Altera is reasonably cheap as well - can be had on eBay for less than 20 dollars normally. The software is free and runs on Windows and Linux so that is nice as well. I must admit I have not tried them out yet but I think it is pretty straight forward to use them.

The high resolution display is a real issue because getting beyond 800x600 is non trivial. An FPGA might be the route to use for that. I plan on on experimenting with a DE0 nano to do something like that. So many projects in the queue.

I am somewhat excited as this project can expand in many different directions going forward

Dave

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[Message index]

		Gryphon 68030 By: lynchaj on Wed, 08 June 2016 13:57
		Re: Gryphon 68030 By: lynchaj on Wed, 08 June 2016 13:58
		Re: Gryphon 68030 By: computerdoc on Thu, 09 June 2016 01:43
		Re: Gryphon 68030 By: lynchaj on Fri, 10 June 2016 03:16
		Re: Gryphon 68030 By: computerdoc on Fri, 10 June 2016 08:56
		Re: Gryphon 68030 By: lynchaj on Fri, 10 June 2016 09:16
		Re: Gryphon 68030 By: yoda on Fri, 10 June 2016 10:46
		Re: Gryphon 68030 By: lynchaj on Fri, 10 June 2016 11:43
		Re: Gryphon 68030 By: yoda on Fri, 10 June 2016 11:49
		Re: Gryphon 68030 By: lynchaj on Fri, 10 June 2016 12:10
		Re: Gryphon 68030 By: yoda on Fri, 10 June 2016 12:24
		Re: Gryphon 68030 By: jcoffman on Fri, 10 June 2016 15:06
		Re: Gryphon 68030 By: will on Sat, 11 June 2016 03:29
		Re: Gryphon 68030 By: yoda on Sat, 11 June 2016 10:43
		Re: Gryphon 68030 By: lynchaj on Sun, 12 June 2016 04:15
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 06:36
		Re: Gryphon 68030 By: lynchaj on Sun, 12 June 2016 07:03
		Re: Gryphon 68030 By: lynchaj on Sun, 12 June 2016 07:13
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 08:07
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 10:26
		Re: Gryphon 68030 By: lynchaj on Mon, 13 June 2016 04:58
		Re: Gryphon 68030 By: lynchaj on Tue, 14 June 2016 03:43
		Re: Gryphon 68030 By: will on Sun, 12 June 2016 16:52
		Re: Gryphon 68030 By: lynchaj on Sun, 12 June 2016 17:16
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 18:06
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 17:50
		Re: Gryphon 68030 By: will on Sun, 12 June 2016 07:27
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 10:19
		Re: Gryphon 68030 By: Andrew B on Sun, 12 June 2016 10:48
		Re: Gryphon 68030 By: lynchaj on Sun, 12 June 2016 17:18
		Re: Gryphon 68030 By: lynchaj on Sun, 12 June 2016 17:40
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 17:55
		Re: Gryphon 68030 By: Andrew B on Sun, 12 June 2016 18:05
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 18:12
		Re: Gryphon 68030 By: Andrew B on Sun, 12 June 2016 18:30
		Re: Gryphon 68030 By: yoda on Sun, 12 June 2016 20:07
		Re: Gryphon 68030 By: lynchaj on Mon, 13 June 2016 03:22
		Re: Gryphon 68030 By: yoda on Mon, 13 June 2016 08:04
		Re: Gryphon 68030 By: lynchaj on Mon, 13 June 2016 09:17
		Re: Gryphon 68030 By: yoda on Mon, 13 June 2016 09:39
		Re: Gryphon 68030 By: Andrew B on Mon, 13 June 2016 09:59
		Re: Gryphon 68030 By: yoda on Mon, 13 June 2016 10:02
		Re: Gryphon 68030 By: lynchaj on Tue, 14 June 2016 03:18
		Re: Gryphon 68030 By: yoda on Tue, 14 June 2016 06:52
		Re: Gryphon 68030 By: lynchaj on Wed, 15 June 2016 17:36
		Re: Gryphon 68030 By: lynchaj on Thu, 16 June 2016 03:29
		Re: Gryphon 68030 By: lynchaj on Thu, 16 June 2016 03:34
		Re: Gryphon 68030 By: yoda on Thu, 16 June 2016 06:41
		Re: Gryphon 68030 By: lynchaj on Thu, 16 June 2016 08:29
		Re: Gryphon 68030 By: lynchaj on Sat, 18 June 2016 08:38
		Calling on logic equation gurus By: yoda on Fri, 24 June 2016 08:50
		Re: Calling on logic equation gurus By: Andrew B on Fri, 24 June 2016 09:46
		Re: Calling on logic equation gurus By: yoda on Fri, 24 June 2016 11:14
		All: Please review verilog code By: yoda on Fri, 24 June 2016 17:41
		Re: All: Please review verilog code By: lynchaj on Sun, 26 June 2016 13:40
		Re: All: Please review verilog code By: lynchaj on Sun, 26 June 2016 13:44
		Re: All: Please review verilog code By: Andrew B on Mon, 27 June 2016 09:51
		Re: All: Please review verilog code By: lynchaj on Mon, 27 June 2016 11:36
		Re: All: Please review verilog code By: yoda on Mon, 27 June 2016 12:25
		Re: All: Please review verilog code By: lynchaj on Tue, 28 June 2016 03:21
		Re: All: Please review verilog code By: jcoffman on Tue, 28 June 2016 03:29
		Re: All: Please review verilog code By: lynchaj on Tue, 28 June 2016 03:55
		Re: All: Please review verilog code By: yoda on Sun, 26 June 2016 17:02
		Re: All: Please review verilog code By: lynchaj on Mon, 27 June 2016 03:42
		Re: Gryphon 68030 By: lynchaj on Tue, 28 June 2016 15:51
		Re: Gryphon 68030 By: yoda on Tue, 28 June 2016 17:07
		Re: Gryphon 68030 By: lynchaj on Wed, 29 June 2016 03:32
		Re: Gryphon 68030 By: jcoffman on Wed, 29 June 2016 08:01
		Re: Gryphon 68030 By: lynchaj on Wed, 29 June 2016 09:15
		Re: Gryphon 68030 By: lynchaj on Wed, 29 June 2016 16:37
		Re: Gryphon 68030 By: lynchaj on Fri, 08 July 2016 08:18
		Re: Gryphon 68030 By: lynchaj on Sat, 09 July 2016 06:57
		Re: Gryphon 68030 By: lynchaj on Mon, 18 July 2016 17:52
		Re: Gryphon 68030 By: lynchaj on Sat, 23 July 2016 11:56
		Re: Gryphon 68030 By: davetypeguy on Mon, 25 July 2016 10:16
		Re: Gryphon 68030 By: yoda on Mon, 25 July 2016 13:39
		Re: Gryphon 68030 By: davetypeguy on Mon, 25 July 2016 14:46
		Re: Gryphon 68030 By: lynchaj on Tue, 26 July 2016 13:50
		Re: Gryphon 68030 By: lynchaj on Fri, 03 February 2017 05:05
		Re: Gryphon 68030 By: lynchaj on Sat, 04 February 2017 10:23
		Re: Gryphon 68030 By: Andrew B on Sat, 04 February 2017 11:28
		Re: Gryphon 68030 By: computerdoc on Fri, 10 February 2017 02:17
		Re: Gryphon 68030 By: will on Fri, 10 February 2017 03:56
		Re: Gryphon 68030 By: lynchaj on Sat, 11 February 2017 07:19
		Re: Gryphon 68030 By: will on Sat, 11 February 2017 13:20
		Re: Gryphon 68030 By: Andrew B on Sat, 11 February 2017 13:31
		Re: Gryphon 68030 By: lynchaj on Sat, 11 February 2017 13:52
		Re: Gryphon 68030 By: yoda on Sat, 11 February 2017 14:05
		Re: Gryphon 68030 By: will on Sat, 11 February 2017 14:44
		Re: Gryphon 68030 By: computerdoc on Fri, 10 February 2017 02:25
		Re: Gryphon 68030 By: lynchaj on Sat, 11 February 2017 07:06
		Re: Gryphon 68030 By: computerdoc on Sat, 11 February 2017 19:00
		Re: Gryphon 68030 By: lynchaj on Sat, 11 February 2017 08:14
		Re: Gryphon 68030 By: davetypeguy on Sun, 12 February 2017 00:22
		Re: Gryphon 68030 By: yoda on Sun, 12 February 2017 10:52
		Re: Gryphon 68030 By: lynchaj on Sun, 12 February 2017 11:11
		Re: Gryphon 68030 By: Garth on Mon, 13 February 2017 02:07
		Re: Gryphon 68030 By: Andrew B on Fri, 17 February 2017 14:47
		Re: Gryphon 68030 By: denis2342 on Tue, 28 February 2017 06:27
		Re: Gryphon 68030 By: yoda on Tue, 28 February 2017 06:48
		Re: Gryphon 68030 By: denis2342 on Tue, 28 February 2017 07:12
		Re: Gryphon 68030 By: yoda on Tue, 28 February 2017 07:40
		Re: Gryphon 68030 By: will on Tue, 28 February 2017 14:55
		Re: Gryphon 68030 By: denis2342 on Thu, 02 March 2017 20:32
		Re: Gryphon 68030 By: ewout on Fri, 03 March 2017 02:54
		Re: Gryphon 68030 By: lynchaj on Fri, 03 March 2017 03:51
		Re: Gryphon 68030 By: lynchaj on Fri, 03 March 2017 03:54
		Re: Gryphon 68030 By: lynchaj on Mon, 06 March 2017 03:00
		Re: Gryphon 68030 By: ewout on Thu, 09 March 2017 00:58
		Re: Gryphon 68030 By: lynchaj on Thu, 09 March 2017 07:05
		Re: Gryphon 68030 By: lynchaj on Thu, 09 March 2017 07:07
		Re: Gryphon 68030 By: yoda on Thu, 09 March 2017 07:16
		Re: Gryphon 68030 By: ewout on Thu, 09 March 2017 07:33
		Re: Gryphon 68030 By: lynchaj on Thu, 09 March 2017 07:52
		Re: Gryphon 68030 By: yoda on Thu, 09 March 2017 11:50
		Re: Gryphon 68030 By: lynchaj on Thu, 09 March 2017 11:59
		Re: Gryphon 68030 By: yoda on Thu, 09 March 2017 12:32
		Re: Gryphon 68030 By: lynchaj on Thu, 09 March 2017 15:25
		Re: Gryphon 68030 By: yoda on Thu, 09 March 2017 16:01
		Re: Gryphon 68030 By: lynchaj on Thu, 09 March 2017 16:26
		Re: Gryphon 68030 By: yoda on Thu, 09 March 2017 17:13
		Re: Gryphon 68030 By: lynchaj on Fri, 10 March 2017 02:56
		Re: Gryphon 68030 By: yoda on Fri, 10 March 2017 07:52
		Re: Gryphon 68030 By: lynchaj on Fri, 10 March 2017 08:31
		Re: Gryphon 68030 By: lynchaj on Sat, 11 March 2017 05:56
		Re: Gryphon 68030 By: lynchaj on Sat, 11 March 2017 06:13
		Re: Gryphon 68030 By: mikemac on Sat, 11 March 2017 12:30
		Re: Gryphon 68030 By: yoda on Sat, 11 March 2017 12:43
		Re: Gryphon 68030 By: mikemac on Sat, 11 March 2017 14:41
		Re: Gryphon 68030 By: lynchaj on Sun, 12 March 2017 05:21
		Re: Gryphon 68030 By: lynchaj on Sun, 12 March 2017 09:20
		Re: Gryphon 68030 By: lynchaj on Sun, 12 March 2017 10:28
		Re: Gryphon 68030 By: mikemac on Sun, 12 March 2017 14:14
		Re: Gryphon 68030 By: lynchaj on Sun, 12 March 2017 14:34
		Re: Gryphon 68030 By: mikemac on Sun, 12 March 2017 17:40
		Re: Gryphon 68030 By: lynchaj on Mon, 13 March 2017 02:55
		Re: Gryphon 68030 By: lynchaj on Mon, 13 March 2017 05:43
		Re: Gryphon 68030 By: lynchaj on Wed, 15 March 2017 02:54
		Re: Gryphon 68030 By: davetypeguy on Wed, 15 March 2017 09:06
		Re: Gryphon 68030 By: lynchaj on Sat, 11 March 2017 13:00
		Re: Gryphon 68030 By: lynchaj on Sat, 11 March 2017 13:12
		Re: Gryphon 68030 By: yoda on Sat, 11 March 2017 13:23
		Re: Gryphon 68030 By: mikemac on Sat, 08 April 2017 19:59
		Re: Gryphon 68030 By: rhkoolstar on Sat, 08 April 2017 23:27
		Re: Gryphon 68030 By: plasmo on Sun, 09 April 2017 05:32
		Re: Gryphon 68030 By: tobster on Wed, 15 March 2017 13:08
		Re: Gryphon 68030 By: yoda on Wed, 15 March 2017 14:02
		Re: Gryphon 68030 By: lynchaj on Thu, 16 March 2017 13:52
		Re: Gryphon 68030 By: mikemac on Tue, 21 March 2017 09:55
		Re: Gryphon 68030 By: norwestrzh on Tue, 21 March 2017 10:22
		Re: Gryphon 68030 By: yoda on Tue, 21 March 2017 10:46
		Re: Gryphon 68030 By: lynchaj on Thu, 23 March 2017 05:44
		Re: Gryphon 68030 By: lynchaj on Sat, 25 March 2017 06:30
		Re: Gryphon 68030 By: lynchaj on Sat, 25 March 2017 08:03
		Re: Gryphon 68030 By: mikemac on Sat, 25 March 2017 16:19
		Re: Gryphon 68030 By: jcoffman on Sat, 25 March 2017 18:07
		Re: Gryphon 68030 By: mikemac on Sat, 25 March 2017 21:05
		Re: Gryphon 68030 By: yoda on Sun, 26 March 2017 08:32
		Re: Gryphon 68030 By: tobster on Sun, 26 March 2017 02:25
		Re: Gryphon 68030 By: mikemac on Sun, 26 March 2017 09:18
		Re: Gryphon 68030 By: lynchaj on Sun, 26 March 2017 09:47
		Re: Gryphon 68030 By: mikemac on Mon, 27 March 2017 09:18
		Re: Gryphon 68030 By: lynchaj on Mon, 27 March 2017 09:30
		Re: Gryphon 68030 By: mikemac on Thu, 30 March 2017 10:13
		Re: Gryphon 68030 By: lynchaj on Thu, 30 March 2017 10:46
		Re: Gryphon 68030 By: mikemac on Thu, 30 March 2017 11:56
		Re: Gryphon 68030 By: Andrew B on Thu, 30 March 2017 13:50
		Re: Gryphon 68030 By: mikemac on Thu, 30 March 2017 14:03
		Re: Gryphon 68030 By: mikemac on Thu, 30 March 2017 14:37
		Re: Gryphon 68030 By: tingo on Mon, 03 April 2017 13:44
		Re: Gryphon 68030 By: mikemac on Mon, 03 April 2017 15:28
		Re: Gryphon 68030 By: lynchaj on Tue, 04 April 2017 04:02
		Re: Gryphon 68030 By: mikemac on Tue, 04 April 2017 07:50
		Re: Gryphon 68030 By: lynchaj on Fri, 07 April 2017 04:31
		Re: Gryphon 68030 By: rhkoolstar on Sat, 08 April 2017 11:30
		Re: Gryphon 68030 By: lynchaj on Sat, 08 April 2017 11:46
		Re: Gryphon 68030 By: mikemac on Sat, 08 April 2017 12:48
		Re: Gryphon 68030 By: plasmo on Sun, 09 April 2017 20:22
		Re: Gryphon 68030 By: rhkoolstar on Sun, 09 April 2017 23:16
		Re: Gryphon 68030 By: lynchaj on Mon, 10 April 2017 03:00
		Re: Gryphon 68030 By: lynchaj on Mon, 10 April 2017 03:18
		Re: Gryphon 68030 By: plasmo on Mon, 10 April 2017 12:38
		Re: Gryphon 68030 By: commodorejohn on Mon, 17 April 2017 15:14
		Re: Gryphon 68030 By: lynchaj on Tue, 18 April 2017 04:21
		Re: Gryphon 68030 By: yoda on Tue, 18 April 2017 07:04
		Re: Gryphon 68030 By: lynchaj on Tue, 18 April 2017 08:57
		Re: Gryphon 68030 By: yoda on Tue, 18 April 2017 09:53
		Re: Gryphon 68030 By: commodorejohn on Tue, 18 April 2017 09:59
		Re: Gryphon 68030 By: lynchaj on Tue, 18 April 2017 11:35
		Re: Gryphon 68030 By: mikemac on Tue, 18 April 2017 16:48
		Re: Gryphon 68030 By: lynchaj on Tue, 18 April 2017 17:47
		Re: Gryphon 68030 By: lynchaj on Wed, 19 April 2017 02:55
		Re: Gryphon 68030 By: yoda on Wed, 19 April 2017 14:15
		Re: Gryphon 68030 By: lynchaj on Wed, 19 April 2017 15:56
		Re: Gryphon 68030 By: mikemac on Thu, 20 April 2017 11:15
		Re: Gryphon 68030 By: lynchaj on Thu, 20 April 2017 12:05
		Re: Gryphon 68030 By: mikemac on Thu, 20 April 2017 12:33
		Re: Gryphon 68030 By: lynchaj on Thu, 20 April 2017 15:58
		Re: Gryphon 68030 By: mikemac on Thu, 20 April 2017 16:51
		Re: Gryphon 68030 By: lynchaj on Fri, 21 April 2017 02:54
		Re: Gryphon 68030 By: yoda on Fri, 21 April 2017 08:54
		Re: Gryphon 68030 By: lynchaj on Fri, 21 April 2017 09:14
		Re: Gryphon 68030 By: yoda on Fri, 21 April 2017 11:15
		Re: Gryphon 68030 By: lynchaj on Fri, 21 April 2017 12:02
		Re: Gryphon 68030 By: plasmo on Mon, 10 April 2017 12:31

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