DiscFerret update: PCB done!

On 04/09/10 03:22, David Griffith wrote: Well, there's still a lot to do... - Get some prototypes made up. I have all the parts I need (with the possible exception of a few crystals I can buy with cash from the Farnell trade counter) but I need to get a PCB or two made up. Unfortunately I don't have the ?150 or so to pay for a prototype run, and half the vias are under ICs, so homebrew is out of the question :( - Port the FPGA HDL-code. Dead easy, just need to create a new pin constraints file, then rebuild. - Port the MCU firmware. Somewhat harder; the 18F85J50 has a newer, faster (=better!) parallel bus port. Catch is, this port isn't 100% backwards-compatible with the old 18F4550. So that means I need to rewrite fpga_writereg() and fpga_readreg() (aka POKE and PEEK). Will also need to put together a bootloader and an FPGA microcode loader. - Add write support. Basically, implement the Disc Write State Machine (a glorified microsequencer with a timer bolted on for good measure). - Documentation. DiscAPI and XDIFAPI are extensively commented, magdecode is lightly commented, ferret (the tool that reads and writes discs using the DF) isn't commented at all. - Code. DiscAPI and Magdecode are covered by my university's submissions policy (they were part of my final-year BSc project) -- I'm trying to get a copyright release, but the guy in charge of this is playing the Ostrich Game: "bury your head in the sand and hope it goes away". No doubt I'll end up rewriting a lot of code... ... But other than that, everything's peachy :) Thanks. -- Phil. classiccmp at philpem.me.uk http://www.philpem.me.uk/