Photochrome - Revision history

Ivo: /* File layout */ typo

2008-05-13T11:14:41Z

File layout: typo

← Older revision		Revision as of 04:14, 13 May 2008
Line 11:		Line 11:
	typedef struct {		typedef struct {
	uint16_t width; /* always 0x140 (320) */		uint16_t width; /* always 0x140 (320) */
	uint16_t height; /* ~~alwats~~ 0xc8 (200) */		uint16_t height; /* always 0xc8 (200) */
	uint8_t screen_mode; /* 0 = single screen mode, bit 0 = xor screen data, bit 1 = xor palette data */		uint8_t screen_mode; /* 0 = single screen mode, bit 0 = xor screen data, bit 1 = xor palette data */
	uint8_t frequency; /* 0 = 60Hz, 1 = 50Hz */		uint8_t frequency; /* 0 = 60Hz, 1 = 50Hz */
Line 18:		Line 18:
	uint8_t screen_data2[]; /* when screen_mode != 0 */		uint8_t screen_data2[]; /* when screen_mode != 0 */
	uint8_t palettes2[]; /* idem */		uint8_t palettes2[]; /* idem */
	} photochrome_file;		} photochrome_file;

	==Image data==		==Image data==

Ivo: describe file format

2008-05-13T11:14:19Z

describe file format

@@ Line 1: / Line 1: @@
 * Extensions: .pcs
-'''Photochrome''' is an image format that uses palette switching and alternating screens to display
+'''Photochrome''' is an image format that uses palette switching and alternating two screens to display
 more colors on the originally limitted graphics hardware of the [http://en.wikipedia.org/wiki/Atari_ST Atari ST].
@@ Line 8: / Line 7: @@
 __TOC__
 [[Category:Atari ST Image Formats]]
 [[Category:Image Formats]]

Ivo: basic description

2008-05-13T10:37:37Z

basic description

New page

* Company:
* Extensions: .pcs

'''Photochrome''' is an image format that uses palette switching and alternating screens to display
more colors on the originally limitted graphics hardware of the [http://en.wikipedia.org/wiki/Atari_ST Atari ST].

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

__TOC__

[[Category:Atari ST Image Formats]]
[[Category:Image Formats]]