RetroBrew Computers Forum
Discussion forum for the RetroBrew Computers community.

Home » RBC Forums » General Discussion » Gryphon 68030
Re: Gryphon 68030 [message #1611 is a reply to message #1610] Sat, 11 February 2017 14:44 Go to previous messageGo to previous message
will is currently offline  will
Messages: 213
Registered: October 2015
Senior Member
Andrew B -- Yes I was thinking of something like the Teensy 3.5 for this. Having disk/network interfaces able to DMA data from SD/network directly into DRAM would be great. However for me the killer feature is that one can write BIOS/kernel code, upload it directly from the development PC into target RAM, and get the target CPU running it immediately. No swapping disks, cards or chips. Speeds up the code/compile/test/crash cycle hugely! Dr Scott Baker has a board for RC2014 that has similar functionality, see this video for a demo. Frankly I'm jealous! Given what most of us use these boards for, having this kind of development tool on board would be a great enhancement. If the console port for the machine was provided by the I/O coprocessor (Teensy) then both the machine's serial console and the debug interface could share a single serial port, with an escape sequence to switch between them.

lynchaj -- four 8-bit wide 32KB SRAMs should still be ample for booting and would take up less board area?

Yoda -- Agree. The hardware you suggest is the sensible subset; graphics and networking could be connected via an expansion port. The IDE interface should be able to generate interrupts (the MF/PIC requires a minor hardware modification to enable this).
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: SBC VER 2 First Build with K13 next to ECB Connector
Next Topic: My 6809 board: MAXI09


Current Time: Sat Sep 27 16:02:11 PDT 2025

Total time taken to generate the page: 0.39686 seconds