Search found 19 matches

by sverx
Thu Mar 01, 2018 11:51 am
Forum: Megadrive/Genesis
Topic: Where do I start? I'm seeking technical documents.
Replies: 40
Views: 28408

Re: Where do I start? I'm seeking technical documents.

Only SMS/GG actually use the first index in a visible way, no other console does. So you're limited to using backdrop to make use of those first 4 indexes of each palette. Which I guess implies that you won't have more than 61 different colors on screen at a given moment, at least without using bac...
by sverx
Tue Feb 27, 2018 2:57 pm
Forum: Megadrive/Genesis
Topic: Where do I start? I'm seeking technical documents.
Replies: 40
Views: 28408

Re: Where do I start? I'm seeking technical documents.

thus color 0 of each palette is actually completely useless/unused (well, at least three of them if one is used for the backdrop...)? What a waste. :roll: you can temporarily switch to V30 to bust the vertical borders (a technique used in Overdrive 2) without messing up sync. you mean temporary? Whe...
by sverx
Mon Feb 26, 2018 12:16 pm
Forum: Megadrive/Genesis
Topic: Where do I start? I'm seeking technical documents.
Replies: 40
Views: 28408

Re: Where do I start? I'm seeking technical documents.

Google sega2f.htm Found, thanks. It says COLOR: - Uses CRAM (part of the VDP) • 64 9-bit wide color registers - 64 colors out of 512 possible colors • 3 bits of Red • 3 bits of Green • 3 bits of Blue • 4 palettes of 16 colors - 0th color (of each palette) is always transparent I wonder if the last ...
by sverx
Sat Feb 24, 2018 2:12 pm
Forum: Megadrive/Genesis
Topic: Where do I start? I'm seeking technical documents.
Replies: 40
Views: 28408

Where do I start? I'm seeking technical documents.

Hello! new user here! :) I recently got curious about the MegaDrive. I know virtually nothing about it, beside what's written on Wikipedia, and I'm seeking documents that will explain me the inner workings. So, to start, I'm after technical documents about: the MD VDP the Motorola 68000 how the MD i...