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| From: Chicken (all posts)
Date: 1998-06-03
Subject: More...
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Hi guyz,
I thought the $ff1a/ff1b stuff is common knowledge... Guess, I was wrong there. Actually, I coded a TEC TEC (in BITMAP MODE, of course) using it.
(Hey Bionic, the one I told you about!) Manipulating $ff1a/$ff1b is creating (what I like to call it) a VIRTUAL BITMAP (since the displayed BITMAP differs from the BITMAP in RAM)! Btw, the 10 BITS make it possible to display for example $3f40 to $3fff (BITMAP at $2000), then the "whole thing" wraps around. I´ve never seen a DEMO using the $ff1a/ff1b feature,
though. Anyway, I never really kept up with new releases, so I might have missed it. Nevertheless, this is one of the BEST TED features (IMHO)! Next time, I´ll bring (and post) my $ff1a/b docs... (If there's still need for that?!)
Hey Crown,
YOU didn´t know this?! Gosh, I thought you know (almost) everything...
Have you tried the new $ff1d thing? What did it do to your monitor?
Does anybody have a DIGIBLASTER (8bit D/A) CARD? (I ain´t got none!) A custom made WAVE CONVERTER would be cool. Btw, I modified a WAVE CONVERTER for the SID-CARD (REAL 4 BIT) and played one track parallel to another.
That is, TRACK 1 on SID, TRACK 2 on the converter. Works fine, though, my ears were aching since I didn´t have "matching" tracks (e.g. for a STEREO SID or something like that). Has any C64 coder ever done this on a C64?
I´ve seen (heard) 3 SID voices + 2 DIGI channels but never 3 SID voices +
3 converted SID voices (+ additional DIGI channels). I wish I knew a real cool SID composer who could make such a track!
SPACEBAR,
Chicken!
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