snes_ntsc.c File Reference

#include "snes_ntsc.h"
#include "snes_ntsc_impl.h"

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Macros
#define	_BLARGG_SNES_NTSC_IMPLEMENTATION_H
#define	alignment_count   3
#define	burst_count   3
#define	rescale_in   8
#define	rescale_out   7
#define	artifacts_mid   1.0f
#define	fringing_mid   1.0f
#define	std_decoder_hue   0
#define	rgb_bits   7 /* half normal range to allow for doubled hires pixels */
#define	gamma_size   32

Functions
static void	merge_kernel_fields (snes_ntsc_rgb_t *io)
static void	correct_errors (snes_ntsc_rgb_t color, snes_ntsc_rgb_t *out)
void	snes_ntsc_init (snes_ntsc_t *ntsc, snes_ntsc_setup_t const *setup)
void	snes_ntsc_blit (snes_ntsc_t const *ntsc, SNES_NTSC_IN_T const *input, long in_row_width, int burst_phase, int in_width, int in_height, void *rgb_out, long out_pitch, int first, int last)
void	snes_ntsc_blit_hires (snes_ntsc_t const *ntsc, SNES_NTSC_IN_T const *input, long in_row_width, int burst_phase, int in_width, int in_height, void *rgb_out, long out_pitch, int first, int last)

Variables
snes_ntsc_setup_t const	snes_ntsc_monochrome = { 0,-1, 0, 0,.2, 0,.2,-.2,-.2,-1, 1, 0, 0 }
snes_ntsc_setup_t const	snes_ntsc_composite = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }
snes_ntsc_setup_t const	snes_ntsc_svideo = { 0, 0, 0, 0,.2, 0,.2, -1, -1, 0, 1, 0, 0 }
snes_ntsc_setup_t const	snes_ntsc_rgb = { 0, 0, 0, 0,.2, 0,.7, -1, -1,-1, 1, 0, 0 }
pixel_info_t const	snes_ntsc_pixels [alignment_count]

Macro Definition Documentation

_BLARGG_SNES_NTSC_IMPLEMENTATION_H

#define _BLARGG_SNES_NTSC_IMPLEMENTATION_H

alignment_count

#define alignment_count   3

artifacts_mid

#define artifacts_mid   1.0f

burst_count

#define burst_count   3

fringing_mid

#define fringing_mid   1.0f

gamma_size

#define gamma_size   32

rescale_in

#define rescale_in   8

rescale_out

#define rescale_out   7

rgb_bits

#define rgb_bits   7 /* half normal range to allow for doubled hires pixels */

std_decoder_hue

#define std_decoder_hue   0

Function Documentation

correct_errors()

static void correct_errors ( snes_ntsc_rgb_t  color, snes_ntsc_rgb_t *  out  )

static

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merge_kernel_fields()

static void merge_kernel_fields ( snes_ntsc_rgb_t *  io )

static

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snes_ntsc_blit()

void snes_ntsc_blit	(	snes_ntsc_t const *	ntsc,
		SNES_NTSC_IN_T const *	input,
		long	in_row_width,
		int	burst_phase,
		int	in_width,
		int	in_height,
		void *	rgb_out,
		long	out_pitch,
		int	first,
		int	last
	)

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snes_ntsc_blit_hires()

void snes_ntsc_blit_hires	(	snes_ntsc_t const *	ntsc,
		SNES_NTSC_IN_T const *	input,
		long	in_row_width,
		int	burst_phase,
		int	in_width,
		int	in_height,
		void *	rgb_out,
		long	out_pitch,
		int	first,
		int	last
	)

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snes_ntsc_init()

void snes_ntsc_init	(	snes_ntsc_t *	ntsc,
		snes_ntsc_setup_t const *	setup
	)

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Variable Documentation

snes_ntsc_composite

snes_ntsc_setup_t const snes_ntsc_composite = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0 }

snes_ntsc_monochrome

snes_ntsc_setup_t const snes_ntsc_monochrome = { 0,-1, 0, 0,.2, 0,.2,-.2,-.2,-1, 1, 0, 0 }

snes_ntsc_pixels

pixel_info_t const snes_ntsc_pixels[alignment_count]

Initial value:

= {
    { PIXEL_OFFSET( -4, -9 ), { 1, 1, .6667f, 0 } },
    { PIXEL_OFFSET( -2, -7 ), {       .3333f, 1, 1, .3333f } },
    { PIXEL_OFFSET(  0, -5 ), {                  0, .6667f, 1, 1 } },
}

snes_ntsc_rgb

snes_ntsc_setup_t const snes_ntsc_rgb = { 0, 0, 0, 0,.2, 0,.7, -1, -1,-1, 1, 0, 0 }

snes_ntsc_svideo

snes_ntsc_setup_t const snes_ntsc_svideo = { 0, 0, 0, 0,.2, 0,.2, -1, -1, 0, 1, 0, 0 }