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| From: Gaia (all posts)
Date: 2001-03-14
Subject: Some more TED effects
|
Hi All,
Thanks to all who responded to my last question.
Levente: I tried it on a real machine, and then I could even emulate this event in my emulator (wow :-) ). Not that it is so important :-)
There's another interesting effect I've faced in the past and never could truthfully explain. Consider the following short routine:
. 600 SEI
. 601 LDA $FF1D
. 604 STA $FF19
. 607 STA $FF15
. 60A JMP $0601
In fast mode it gives a stable color pattern, but apparently there are some white dots I can't understand why are there... I guess this should be some "noise" from somewhere??? They seem to have a "regular" repeating order,
but it differs on the border and the window area.
Furthermore, in slow mode these white dots have different repeating order...
The dots are also there when I - for example - load something with a turbo that "stripes" the border...
So, does anyone have an idea about this?
Regards,
Attila
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