Dali

Dali is a graphics program for the Atari ST.

files are 320x200 with 16 colors

files are 640x200 with 4 colors

files are 640x400 in mono

Dali file format
Copied from Atari Forum Wiki.

Dali          *.SD0 (ST low resolution) *.SD1 (ST medium resolution) *.SD2 (ST high resolution) Files do not seem to have any resolution or bit plane info stored in them. The file extension seems to be the only way to determine the contents. 1 long        file id? [always 0] 16 words      palette 92 bytes      reserved? [usually 0] 32000 bytes   raw image data --- 32128 bytes   total for file

Dali Compressed file format
Copied from Atari Forum Wiki.

Dali compressed   *.LPK (ST low resolution) *.MPK (ST medium resolution) *.HPK (ST high resolution) Files do not seem to have any resolution or bit plane info stored in them. The file extension seems to be the only way to determine the contents. 16 words   palette ?          size of byte array in bytes, stored as plain ASCII text + cr/lf ?          size of long array in bytes, stored as plain ASCII text + cr/lf ?          array of bytes ?          array of longs

?          image data: Assuming the tables have been loaded into arrays: uint8 *btab=malloc(size of byte array); uint32 *ltab=malloc(size of long array);

uint8 *bmap=malloc(32000); /* st bitmap */

/* PureC example by Lonny Pursell - placed into the Public Domain 1/19/2017 */ uint8 flag; uint16 i, index, offset; uint32 data; flag = index = 0; for (i=0; i&lt;=156; i=i+4) { for (offset=0; offset&lt;=31840; offset=offset+160) { if (flag==0) { flag = btab[index]; data = ltab[index]; index++; }       bmap[offset + i] = (data &gt;&gt; 24) &amp; 0xFF; bmap[offset + i + 1] = (data &gt;&gt; 16) &amp; 0xFF; bmap[offset + i + 2] = (data &gt;&gt; 8) &amp; 0xFF; bmap[offset + i + 3] = data &amp; 0xFF; flag--; } }

Identification
files are exactly 32128 bytes long.

files are compressed.

Software

 * XnView
 * RECOIL

Sample files

 * https://telparia.com/fileFormatSamples/image/dali/

Links

 * http://www.atarimania.com/utility-atari-st-dali_22804.html