display.h File Reference

#include <stdbool.h>
#include <stdint.h>

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Macros
#define	DISPLAY_WIDTH   80
#define	DISPLAY_HEIGHT   50

Functions
void	rpc8e_display_blit_shift (uint8_t sx, uint8_t sy, uint8_t dx, uint8_t dy, uint8_t width, uint8_t height)
	Copy an area of the display to another location. More...
void	rpc8e_display_blit_fill (uint8_t x, uint8_t y, uint8_t width, uint8_t height, uint8_t fillchar)
	Fill an area of the display with a character. More...
void	rpc8e_display_clear (void)
	Clear the display. More...
uint8_t	rpc8e_display_wherex (void)
	Return the cursor's current X position. More...
uint8_t	rpc8e_display_wherey (void)
	Return the cursor's current Y position. More...
void	rpc8e_display_revers (bool value)
	Enable or disable "reverse video" mode. More...
void	rpc8e_display_gotox (uint8_t x)
	Move the cursor to a specific X position. More...
void	rpc8e_display_gotoy (uint8_t y)
	Move the cursor to a specific Y position. More...
void	rpc8e_display_gotoxy (uint8_t x, uint8_t y)
	Move the cursor to a specific X/Y position. More...
void	rpc8e_display_put (uint8_t x, uint8_t y, uint8_t value)
	Put a character on the display. More...
bool	rpc8e_display_key_pressed (void)
	Return true if a key has been pressed and is awaiting in the queue. More...
int	rpc8e_display_key_read (void)
	Return a key from the queue. More...

Detailed Description

Functionality related to the display.

Macro Definition Documentation

DISPLAY_HEIGHT

#define DISPLAY_HEIGHT   50

DISPLAY_WIDTH

#define DISPLAY_WIDTH   80

Function Documentation

rpc8e_display_blit_fill()

void rpc8e_display_blit_fill	(	uint8_t	x,
		uint8_t	y,
		uint8_t	width,
		uint8_t	height,
		uint8_t	fillchar
	)

Fill an area of the display with a character.

Parameters

x	Destination X position.
y	Destination Y position.
width	Width.
height	Height.
fiilchar	The character to fill the area with.

rpc8e_display_blit_shift()

void rpc8e_display_blit_shift	(	uint8_t	sx,
		uint8_t	sy,
		uint8_t	dx,
		uint8_t	dy,
		uint8_t	width,
		uint8_t	height
	)

Copy an area of the display to another location.

Parameters

sx	Source X position.
sy	Source Y position.
dx	Destination X position.
dy	Destination Y position.
width	Width.
height	Height.

rpc8e_display_clear()

void rpc8e_display_clear

(

void

)

Clear the display.

rpc8e_display_gotox()

void rpc8e_display_gotox

(

uint8_t

x

)

Move the cursor to a specific X position.

Parameters

x	X position.

rpc8e_display_gotoxy()

void rpc8e_display_gotoxy	(	uint8_t	x,
		uint8_t	y
	)

Move the cursor to a specific X/Y position.

Parameters

x	X position.
y	Y position.

rpc8e_display_gotoy()

void rpc8e_display_gotoy

(

uint8_t

y

)

Move the cursor to a specific Y position.

Parameters

y	Y position.

rpc8e_display_key_pressed()

bool rpc8e_display_key_pressed

(

void

)

Return true if a key has been pressed and is awaiting in the queue.

rpc8e_display_key_read()

int rpc8e_display_key_read

(

void

)

Return a key from the queue.

Returns

int A key from the queue, or -1 if the queue is empty.

rpc8e_display_put()

void rpc8e_display_put	(	uint8_t	x,
		uint8_t	y,
		uint8_t	value
	)

Put a character on the display.

Parameters

x	X position.
y	Y position.
value	The character to put.

rpc8e_display_revers()

void rpc8e_display_revers

(

bool

value

)

Enable or disable "reverse video" mode.

rpc8e_display_wherex()

uint8_t rpc8e_display_wherex

(

void

)

Return the cursor's current X position.

rpc8e_display_wherey()

uint8_t rpc8e_display_wherey

(

void

)

Return the cursor's current Y position.