Difference between revisions of "GFA Artist file format"

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32000 bytes    st low resolution screen dump
 
32000 bytes    st low resolution screen dump
 
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32032         total file size
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32032 bytes    total file size
  
 
Referred to as '1000-Colors ON' in the manual. This format is more complex because of
 
Referred to as '1000-Colors ON' in the manual. This format is more complex because of
−
the 1000 color mode..
+
the 1000 color mode.
  
 
1 word        number of planes [4]
 
1 word        number of planes [4]
−
1 word        unused (revered)
+
1 word        unused (reserved)
 
32000 bytes    st low resolution screen dump
 
32000 bytes    st low resolution screen dump
 
16 words      normal palette used when 1000 color mode is off
 
16 words      normal palette used when 1000 color mode is off

Latest revision as of 00:52, 4 June 2018

GFA Artist    *.ART

Referred to as '1000-Colors OFF' in the manual. This format is similar to the format
used in colorStar.

16 words       palette
32000 bytes    st low resolution screen dump
-----------
32032 bytes    total file size

Referred to as '1000-Colors ON' in the manual. This format is more complex because of
the 1000 color mode.

1 word         number of planes [4]
1 word         unused (reserved)
32000 bytes    st low resolution screen dump
16 words       normal palette used when 1000 color mode is off
16*69 words    69 palettes used when the 1000 color mode is on
1 long         color cycling flag [0 = off, 1 = on]
1 long         color cycling speed [0 to 20]
9 longs        start palette number of 9 definable color cycling zones
9 longs        end palette number of 9 definable color cycling zones
9 longs        direction of the 9 definable color cycling zones 
                 [0 = off, 1 = forward, 2 = backwards]
-----------
34360 bytes    total file size

Regarding the '1000-Colors ON' mode. The layout of the rasters and how to calculate the
color of a pixel at a given x/y coordinate is unknown.

Back to ST Picture Formats