colors

Here you can ask questions or provide insights about how to use efficiently 6502 assembly code on the Oric.
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ChrisfromUSA
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colors

Post by ChrisfromUSA » Sun Jun 28, 2015 1:48 am

So if address for the "ink" is $f210, then why doesn't this print my message red?


LDA #$01
STA $f210
"I have not failed 700 times. I have not failed once. I have succeeded in proving that those 700 ways will not work."
-Thomas Edison

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coco.oric
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Re: colors

Post by coco.oric » Sun Jun 28, 2015 6:50 am

ouch !

I think you've to read at least this online book.
http://home.btconnect.com/geffers/files/contents.htm

$c000 to $ffff is the rom basic. you can't set a variable in this area.
so you can use rom routine with their variables or understanding the horrible screen color constraints of the oric and adressing directly screen memory with colors attributes.
coco.oric as DidierV, CEO Member
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