Subj : Sprites and scrolling and BINs
To   : echicken
From : MCMLXXIX
Date : Sat Jan 10 2015 01:14 pm

 Re: Sprites and scrolling and BINs
 By: echicken to Kirkman on Fri Jan 09 2015 17:55:06

> However in a .bin file, each character is paired with an attribute, and Fram
> should (arguably) be setting the attribute of each cell to the value read fr
> the file.  Evidently it doesn't do this, and the default attribute for the
> frame is being applied (as MCMLXXIX explained.)  This may be by design, perh
> it's necessary for transparency or helpful in some other situation.

BIN files store a null bit in every spot where there is no character or
attribute. If you use pablodraw to make a BIN, it doesn't fill every space with
data, so these spots show up in the frame with no character or attributes.

It might make more sense to load BIN files into a frame that has no default
attributes at all (just omit the parameter for attr).. this is how transparency
works in frame.js..



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