fractint.h

一个两碟控制的VCD的代码,两碟之间的转动及连续播放,已大量生产的CODE.

/* SCCSID @(#)fractint.h	1.6 4/9/97 */

#define FRACT_X		696
#define FRACT_Y		576
#define FRACT_SIZE	(FRACT_X*FRACT_Y/8)
#define FRACT_SIZE_HALF	(FRACT_X*FRACT_Y/16)

#define FRACTINT_START0 DISP_START
#define FRACTINT_START1 FRACTINT_START0 + FRACT_SIZE

#define FRACTINT_TOP	FRACT_disp
#define FRACTINT_BOT	FRACT_disp + FRACT_SIZE_HALF

GBLDEF(int FRACT_disp, FRACTINT_START1);
GBLDEF(int FRACT_store, FRACTINT_START0);
GBLDEF(int FRACT_cycle, 5);

void FRACT_set_palette(void);		/* Cycle and change the color palette.*/
void FRACT_paint_a_block(void);		/* Draw one line of fractal. */
void FRACT_start(void);			/* Start fractal */
void FRACT_stop(void);                  /* Restore regular OSD parameter and
					   stop fractal */

GBLDEF(int FRACT_display_on, 0);	/* The fractal is ready to be displayed,
					   and is being displayed. */
GBLDEF(int FRACT_process_on, 0);	/* Proceed with fractal calculation.
					   Automatically reset when finished.
					   Set to 0 to abort. */
GBLDEF(int FRACT_palette_updated, 0);
GBLDEF(int FRACT_blend, 0x7);		/* Blending with backgnd.
					   0 max 7 none. */
#ifdef MAIN
int FRACT_palette[16];
#else
extern int FRACT_palette[16];
#endif