https://www.temlib.org/AtariForumWiki/index.php?action=history&feed=atom&title=HighresMedium_file_formatHighresMedium file format - Revision history2026-05-13T17:45:54ZRevision history for this page on the wikiMediaWiki 1.39.2https://www.temlib.org/AtariForumWiki/index.php?title=HighresMedium_file_format&diff=14087&oldid=prev>Lp: New page2017-01-03T00:22:46Z<p>New page</p>
<p><b>New page</b></p><div><pre><br />
HighresMedium *.HRM<br />
<br />
This format is found in only one demo: "HighResMode" by Paradox. The <br />
pictures are interlaced in medium resolution with 35 colors per line. <br />
The files are packed with Ice. The unpacked format is as follows:<br />
64000 bytes screen data, 160 bytes per scanline, 400 lines<br />
28000 bytes palette data, 70 bytes per line<br />
-----------<br />
96000 bytes<br />
<br />
/*<br />
* Given an x-coordinate and a color index, returns the corresponding<br />
* HighResMedium palette index.<br />
*<br />
* by Hans Wessels; placed in the public domain January, 2008.<br />
*/<br />
int find_hrm_index(int x, int c)<br />
{<br />
x+=80;<br />
if(c==0)<br />
{<br />
return -1+4*(int)((x+0)/80);<br />
}<br />
else if(c==1)<br />
{<br />
return 4*(int)((x-8)/80);<br />
}<br />
else if(c==2)<br />
{<br />
return 1+4*(int)((x-40)/80);<br />
}<br />
return 2+4*(int)((x-48)/80);<br />
}<br />
</pre><br />
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