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anonym
Registered: Jan 2002
Posts: 250 |
What is the definition of PETSCII?
As we were reviewing past entries for Transmission64 3rd Edition (2022) and our rules (and other party's rules) in general, there were some questions that came up with regards to the the definition of PETSCII graphics.
For example, do you think that it's okay to turn multicolour mode on (but not bitmap mode)? Is it okay to use a custom font? What about ECM mode?
I'm curious to hear what others think... (famous last words on CSDb forums). |
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chatGPZ
Registered: Dec 2001
Posts: 11148 |
Quote:Is it okay to use a custom font?
only if turning on multicolor is ok too =P
IMHO petscii is what can be delivered in a SEQ file. |
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Hein
Registered: Apr 2004
Posts: 933 |
AFAIK nobody entered a PETSCII compo with ECM or multicolor mode images yet. Would be good to try and leave it to the organisers to interpret their own rules. |
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Digger
Registered: Mar 2005
Posts: 422 |
ECM would be tricky since not many non-alphanumeric chars will be left, unless it's a custom selection of 64 PETSCII chars, but then why not to call it ECM compo and allow any charset (like this compo ECM Compo 2021)
NB This guy's "art" uses PETSCII with Plus/4 like palette https://twitter.com/akinao/media – quite interesting. |
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TheRyk
Registered: Mar 2009
Posts: 2094 |
"If you can print it, it's PETSCII" (some wise dude some 10 years ago when we lead this discussion here and elsewhere)
In the Plain PETSCII compos series, $d020 and $d021 were allowed to poke with one fixed value each. Setting $d018 to lower or upper case was also allowed (though there ain't many situations in which the font at ROM $D800 is preferrable).
However, I've always split stuff from main compo if it contained hokeypokey with other VIC registers than $d020 and $d021 resulting for instance in
- MC mode
- ECM mode
- rastersplits
- sprites
- animations
- etc.
Last time I aldo explicitly ruled out empty screens (yawn) and animated competitors to a meaningful part of the screen to shoo off 8x8 tiles compo slackers. |
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chatGPZ
Registered: Dec 2001
Posts: 11148 |
Some say true PETSCII should even be limited to lowercase and black background, ie what you can actually use on a BBS. |
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anonym
Registered: Jan 2002
Posts: 250 |
Quote: AFAIK nobody entered a PETSCII compo with ECM or multicolor mode images yet. Would be good to try and leave it to the organisers to interpret their own rules.
Winter Abstraction |
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Hein
Registered: Apr 2004
Posts: 933 |
Quote: Winter Abstraction
Cool, hadn't seen it yet. Good that it's accepted as a valid entry, I think Ptoing has a good point there. |
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chatGPZ
Registered: Dec 2001
Posts: 11148 |
Except the point is invalid :=) PETSCII defines the encoding, not the charset/glyphs. Just like ASCII does. The older CBM machines for example all use PETSCII too - but they have a different charset. |
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Hein
Registered: Apr 2004
Posts: 933 |
Quote: Except the point is invalid :=) PETSCII defines the encoding, not the charset/glyphs. Just like ASCII does. The older CBM machines for example all use PETSCII too - but they have a different charset.
Heh, that means that all PETSCII compos so far should've been judged on other CBM machines as well. |
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chatGPZ
Registered: Dec 2001
Posts: 11148 |
If you dont go too wild with colors, that even works... see eg "frog" from the demo disk - try it on a PET! |
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