Search found 4 matches

by stinkz
Mon May 20, 2019 2:04 am
Forum: Megadrive/Genesis
Topic: I'm officially building a microcode-level 68000 core
Replies: 52
Views: 190666

Re: I'm officially building a microcode-level 68000 core

Well I may as well start to share what I've been working on. For the past few weeks I've been banging my head against my computer trying to write a simulator for galibert's netlist.
On Friday I got frustrated not understanding what was going wrong with the sim, so I wrote a visual layer for the sim ...
by stinkz
Fri May 17, 2019 4:40 am
Forum: Megadrive/Genesis
Topic: I'm officially building a microcode-level 68000 core
Replies: 52
Views: 190666

Re: I'm officially building a microcode-level 68000 core



Have I stuffed something up?


Probably not. Get the latest from yesterday and try again :-) There had bean changes in the dietools svg render that required some in the svg itself, and I had forgotten to update everything meanwhile.

OG.


Ah, have you pushed to the dietools github? Last ...
by stinkz
Fri May 17, 2019 3:23 am
Forum: Megadrive/Genesis
Topic: I'm officially building a microcode-level 68000 core
Replies: 52
Views: 190666

Re: I'm officially building a microcode-level 68000 core


Then you run sgen/remap.lua and you get a beautiful schem.txt you can see with sview schem.txt. sview allows you to see the schematic, select signals, and see the names I've given the circuits I understood. It also includes a different simulator that doesn't work either.

Hey thanks for (re ...
by stinkz
Tue May 14, 2019 3:02 am
Forum: Megadrive/Genesis
Topic: I'm officially building a microcode-level 68000 core
Replies: 52
Views: 190666

Re: I'm officially building a microcode-level 68000 core



Great write up Nemesis, thanks! I look forward to the next one.

Over the past week I've been pouring over the netlist on Oliver's website trying to wrap my head around how this stuff works. I found some discrepancies between his schem.txt and schem.svg, emailed him to ask if indeed there was ...