graphics.h File Reference

#include <stdint.h>
#include <neo6502.h>
#include "types.h"

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Functions
void	neo_graphics_set_defaults (uint8_t color_mask, uint8_t color_xor, uint8_t fill, uint8_t extent, uint8_t flip)
	Reset the global graphics system settings. More...
void	neo_graphics_draw_line (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draw a line. More...
void	neo_graphics_draw_rectangle (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draw a rectangle. More...
void	neo_graphics_draw_ellipse (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draw an ellipse. More...
void	neo_graphics_draw_pixel (uint16_t x, uint16_t y)
	Draw a pixel. More...
void	neo_graphics_draw_text_p (uint16_t x, uint16_t y, const neo_pstring_t *text)
	Draw a Pascal text string. More...
void	neo_graphics_draw_text (uint16_t x, uint16_t y, const char *text)
	Draw a C text string. More...
void	neo_graphics_draw_image (uint16_t x, uint16_t y, uint8_t id)
	Draw an image. More...
void	neo_graphics_draw_tilemap (uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
	Draw the current tilemap. More...
void	neo_graphics_set_palette (uint8_t idx, uint8_t r, uint8_t g, uint8_t b)
	Set palette color. More...
uint8_t	neo_graphics_read_pixel (uint16_t x, uint16_t y)
	Read pixel. More...
void	neo_graphics_write_pixel (uint16_t x, uint16_t y, uint8_t idx)
	Write pixel. More...
void	neo_graphics_reset_palette (void)
	Reset palette. More...
void	neo_graphics_set_tilemap (const void *src, uint16_t x, uint16_t y)
	Set the current tilemap. More...
long	neo_graphics_frame_count (void)
	Read the number of vertical blanks since power-on. More...
void	neo_graphics_set_color (uint8_t idx)
	Set the current drawing color. More...
void	neo_graphics_set_solid_flag (uint8_t value)
	Set the current solid flag. More...
void	neo_graphics_set_draw_size (uint8_t value)
	Set the current image/font drawing scale. More...
void	neo_graphics_set_flip_bits (uint8_t value)
	Set the flip bits for drawing images. More...

Function Documentation

neo_graphics_draw_ellipse()

void neo_graphics_draw_ellipse	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2
	)

Draw an ellipse.

Parameters

x1	Begin X
y1	Begin Y
x2	End X
y2	End Y

neo_graphics_draw_image()

void neo_graphics_draw_image	(	uint16_t	x,
		uint16_t	y,
		uint8_t	id
	)

Draw an image.

Parameters

x	X
y	Y
id	Image ID

neo_graphics_draw_line()

void neo_graphics_draw_line	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2
	)

Draw a line.

Parameters

x1	Begin X
y1	Begin Y
x2	End X
y2	End Y

neo_graphics_draw_pixel()

void neo_graphics_draw_pixel	(	uint16_t	x,
		uint16_t	y
	)

Draw a pixel.

Parameters

x	X
y	Y

neo_graphics_draw_rectangle()

void neo_graphics_draw_rectangle	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2
	)

Draw a rectangle.

Parameters

x1	Begin X
y1	Begin Y
x2	End X
y2	End Y

neo_graphics_draw_text()

void neo_graphics_draw_text	(	uint16_t	x,
		uint16_t	y,
		const char *	text
	)

Draw a C text string.

Parameters

x	X
y	Y
text	Text string (C).

neo_graphics_draw_text_p()

void neo_graphics_draw_text_p	(	uint16_t	x,
		uint16_t	y,
		const neo_pstring_t *	text
	)

Draw a Pascal text string.

Parameters

x	X
y	Y
text	Text string (Pascal).

neo_graphics_draw_tilemap()

void neo_graphics_draw_tilemap	(	uint16_t	x1,
		uint16_t	y1,
		uint16_t	x2,
		uint16_t	y2
	)

Draw the current tilemap.

Parameters

x1	Begin X
y1	Begin Y
x2	End X
y2	End Y

neo_graphics_frame_count()

long neo_graphics_frame_count

(

void

)

Read the number of vertical blanks since power-on.

neo_graphics_read_pixel()

uint8_t neo_graphics_read_pixel	(	uint16_t	x,
		uint16_t	y
	)

Read pixel.

Parameters

x	X
y	Y

Returns

The pixel palette index.

neo_graphics_reset_palette()

void neo_graphics_reset_palette

(

void

)

Reset palette.

neo_graphics_set_color()

void neo_graphics_set_color

(

uint8_t

idx

)

Set the current drawing color.

Parameters

idx	Palette index.

neo_graphics_set_defaults()

void neo_graphics_set_defaults	(	uint8_t	color_mask,
		uint8_t	color_xor,
		uint8_t	fill,
		uint8_t	extent,
		uint8_t	flip
	)

Reset the global graphics system settings.

neo_graphics_set_draw_size()

void neo_graphics_set_draw_size

(

uint8_t

value

)

Set the current image/font drawing scale.

Parameters

value

Value.

neo_graphics_set_flip_bits()

void neo_graphics_set_flip_bits

(

uint8_t

value

)

Set the flip bits for drawing images.

Parameters

value

Value.

neo_graphics_set_palette()

void neo_graphics_set_palette	(	uint8_t	idx,
		uint8_t	r,
		uint8_t	g,
		uint8_t	b
	)

Set palette color.

Parameters

idx	Palette index.
r	Red component.
g	Green component.
b	Blue component.

neo_graphics_set_solid_flag()

void neo_graphics_set_solid_flag

(

uint8_t

value

)

Set the current solid flag.

Parameters

value

Value.

neo_graphics_set_tilemap()

void neo_graphics_set_tilemap	(	const void *	src,
		uint16_t	x,
		uint16_t	y
	)

Set the current tilemap.

Parameters

src	Tilemap address.
x	X offset into tilemap.
y	Y offset into tilemap.

neo_graphics_write_pixel()

void neo_graphics_write_pixel	(	uint16_t	x,
		uint16_t	y,
		uint8_t	idx
	)

Write pixel.

Parameters

x	X
y	Y
idx	Palette index.