Spectrum 512

• Company: Trio Inc. / Antic Software
• Extensions: .spu, .spc, sps

Spectrum 512 was an image drawing program for the Atari ST.

Spectrum 512 Uncompressed

16-bit words are stored in big-endian order.

typedef spectrum512_file {
 uint16_t data[16000];             /* first 80 words (first scanline) is unused and should be zeroes */
 uint16_t palettes[199 * 3 * 16];  /* 199 scanlines, 3 palettes per scanline, 16 entries per palette */
} spectrum512_file;

Image Data

The image data is stored in a planar format.