#include "mode_02h.h"
#include "drivers/vga/modes/registerfunctions.h"
#include "memory/heap/heap.h"
#include "drivers/dal/videocard/videocard.h"
#include "drivers/vga/vga.h"

Functions
int8_t	mode02h_set_mode ()

int8_t	mode02h_turn_on_buffer ()

int8_t	mode02h_turn_off_buffer ()

uint8_t	mode02h_is_buffer_on ()

int8_t	mode02h_swap_buffers ()

int8_t	mode02h_print_char (char character)
	Print character on screen for mode 02h. More...

int8_t	mode02h_print_char_color (char character, uint8_t color)
	Print character on screen for mode 02h. More...

int8_t	mode02h_print_string (const char *string)
	Print string on screen for mode 02h. More...

int8_t	mode02h_print_string_color (const char *string, uint8_t color)
	Print string on screen for mode 02h. More...

int8_t	mode02h_set_char (uint16_t x, uint16_t y, char character)
	Set character on given point on screen for mode 02h. More...

int8_t	mode02h_get_char (uint16_t x, uint16_t y, char *character)
	Get character from given point on screen for mode 02h. More...

int8_t	mode02h_set_color (uint16_t x, uint16_t y, uint8_t color)
	Set character color on given point on screen for mode 02h. More...

int8_t	mode02h_get_color (uint16_t x, uint16_t y, uint8_t *color)
	Get character color from given point on screen for mode 02h. More...

int8_t	mode02h_set_char_and_color (uint16_t x, uint16_t y, char character, uint8_t color)
	Set character and character color on given point on screen for mode 02h. More...

int8_t	mode02h_get_char_and_color (uint16_t x, uint16_t y, char character, uint8_t color)
	Get character and character color color from given point on screen for mode 02h. More...

int8_t	mode02h_set_cursor_pos (uint16_t x, uint16_t y)
	Set cursor position for mode 02h. More...

int8_t	mode02h_get_cursor_pos (uint16_t x, uint16_t y)
	Get cursor position for mode 02h. More...

int8_t	mode02h_turn_cursor_on ()
	Turn on cursor for mode 02h. More...

int8_t	mode02h_turn_cursor_off ()
	Turn off cursor for mode 02h. More...

int8_t	mode02h_draw_pixel (uint8_t color, uint16_t x, uint16_t y)

int8_t	mode02h_draw_line (uint8_t color, uint16_t ax, uint16_t ay, uint16_t bx, uint16_t by)

int8_t	mode02h_draw_circle (uint8_t color, uint16_t x, uint16_t y, uint16_t radius)

int8_t	mode02h_draw_rectangle (uint8_t color, uint16_t ax, uint16_t ay, uint16_t bx, uint16_t by)

int8_t	mode02h_clear_screen ()

int8_t	mode02h_print_char_buffered (char character)
	Print character on screen for mode 02h to internal buffer. More...

int8_t	mode02h_print_char_color_buffered (char character, uint8_t color)
	Print character on screen for mode 02h to internal buffer. More...

int8_t	mode02h_print_string_buffered (const char *string)
	Print string on screen for mode 02h to internal buffer. More...

int8_t	mode02h_print_string_color_buffered (const char *string, uint8_t color)
	Print string on screen for mode 02h to internal buffer. More...

int8_t	mode02h_set_char_buffered (uint16_t x, uint16_t y, char character)
	Set character on given point on screen for mode 02h to internal buffer. More...

int8_t	mode02h_get_char_buffered (uint16_t x, uint16_t y, char *character)
	Get character from given point on screen for mode 02h to internal buffer. More...

int8_t	mode02h_set_color_buffered (uint16_t x, uint16_t y, uint8_t color)
	Set character color on given point on screen for mode 02h to internal buffer. More...

int8_t	mode02h_get_color_buffered (uint16_t x, uint16_t y, uint8_t *color)
	Get character color from given point on screen for mode 02h to internal buffer. More...

int8_t	mode02h_set_char_and_color_buffered (uint16_t x, uint16_t y, char character, uint8_t color)
	Set character and character color on given point on screen for mode 02h to internal buffer. More...

int8_t	mode02h_get_char_and_color_buffered (uint16_t x, uint16_t y, char character, uint8_t color)
	Get character and character color color from given point on screen for mode 02h to internal buffer. More...

int8_t	mode02h_set_cursor_pos_buffered (uint16_t x, uint16_t y)
	Set cursor position for mode 02h to internal buffer. More...

int8_t	mode02h_get_cursor_pos_buffered (uint16_t x, uint16_t y)
	Get cursor position for mode 02h to internal buffer. More...

int8_t	mode02h_draw_pixel_buffered (uint8_t color, uint16_t x, uint16_t y)

int8_t	mode02h_draw_line_buffered (uint8_t color, uint16_t ax, uint16_t ay, uint16_t bx, uint16_t by)

int8_t	mode02h_draw_circle_buffered (uint8_t color, uint16_t x, uint16_t y, uint16_t radius)

int8_t	mode02h_draw_rectangle_buffered (uint8_t color, uint16_t ax, uint16_t ay, uint16_t bx, uint16_t by)

int8_t	mode02h_clear_screen_buffered ()

int8_t	mode02h_print_char_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t *y, char character)
	Print character on screen for mode 02h to external buffer. More...

int8_t	mode02h_print_char_color_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t *y, char character, uint8_t color)
	Print character on screen for mode 02h to external buffer. More...

int8_t	mode02h_print_string_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t y, const char string)
	Print string on screen for mode 02h to external buffer. More...

int8_t	mode02h_print_string_color_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t y, const char string, uint8_t color)
	Print string on screen for mode 02h to external buffer. More...

int8_t	mode02h_set_char_external_buffer (uint8_t *buffer, uint16_t mode, uint16_t x, uint16_t y, char character)
	Set character on given point on screen for mode 02h to external buffer. More...

int8_t	mode02h_get_char_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t y, char character)
	Get character from given point on screen for mode 02h to external buffer. More...

int8_t	mode02h_set_color_external_buffer (uint8_t *buffer, uint16_t mode, uint16_t x, uint16_t y, uint8_t color)
	Set character color on given point on screen for mode 02h to external buffer. More...

int8_t	mode02h_get_color_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t y, uint8_t color)
	Get character color from given point on screen for mode 02h to external buffer. More...

int8_t	mode02h_set_char_and_color_external_buffer (uint8_t *buffer, uint16_t mode, uint16_t x, uint16_t y, char character, uint8_t color)
	Set character and character color on given point on screen for mode 02h to external buffer. More...

int8_t	mode02h_get_char_and_color_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t y, char character, uint8_t *color)
	Get character and character color color from given point on screen for mode 02h to external buffer. More...

int8_t	mode02h_draw_pixel_external_buffer (uint8_t *buffer, uint16_t mode, int8_t color, uint16_t x, uint16_t y)

int8_t	mode02h_draw_line_external_buffer (uint8_t *buffer, uint16_t mode, uint8_t color, uint16_t ax, uint16_t ay, uint16_t bx, uint16_t by)

int8_t	mode02h_draw_circle_external_buffer (uint8_t *buffer, uint16_t mode, uint8_t color, uint16_t x, uint16_t y, uint16_t radius)

int8_t	mode02h_draw_rectangle_external_buffer (uint8_t *buffer, uint16_t mode, uint8_t color, uint16_t ax, uint16_t ay, uint16_t bx, uint16_t by)

int8_t	mode02h_clear_screen_external_buffer (uint8_t buffer, uint16_t mode, uint16_t x, uint16_t *y)

int8_t	mode02h_swap_external_buffer (uint8_t *buffer, uint16_t mode)

uint8_t *	mode02h_create_external_buffer (uint16_t mode)

int8_t	__mode02h_print_char_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t *y, char character)
	Helper function to print character on screen for mode 02h on given buffer. More...

int8_t	__mode02h_print_char_color_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t *y, char character, uint8_t color)
	Helper function to print character on screen for mode 02h on given buffer. More...

int8_t	__mode02h_print_string_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t y, const char string)
	Helper function to print string on screen for mode 02h on given buffer. More...

int8_t	__mode02h_print_string_color_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t y, const char string, uint8_t color)
	Helper function to print string on screen for mode 02h on given buffer. More...

int8_t	__mode02h_set_char_buffer (uint16_t *buffer, uint16_t mode, uint16_t x, uint16_t y, char character)
	Helper function to s character on given point on screen for mode 02h on given buffer. More...

int8_t	__mode02h_get_char_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t y, char character)
	Helper function to get character from given point on screen for mode 02h on given buffer. More...

int8_t	__mode02h_set_color_buffer (uint16_t *buffer, uint16_t mode, uint16_t x, uint16_t y, uint8_t color)
	Helper function to set character color on given point on screen for mode 02h on given buffer. More...

int8_t	__mode02h_get_color_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t y, uint8_t color)
	Helper function to get character color from given point on screen for mode 02h on given buffer. More...

int8_t	__mode02h_set_char_and_color_buffer (uint16_t *buffer, uint16_t mode, uint16_t x, uint16_t y, char character, uint8_t color)
	Helper function to set character and character color on given point on screen for mode 02h on given buffer. More...

int8_t	__mode02h_get_char_and_color_buffer (uint16_t buffer, uint16_t mode, uint16_t x, uint16_t y, char character, uint8_t *color)
	Helper function to get character and character color color from given point on screen for mode 02h on given buffer. More...

void	__mode02h_newline (uint16_t buffer, uint16_t x, uint16_t *y)
	Print new line. More...

uint16_t	__mode02h_calcualte_position (uint16_t x, uint16_t y)
	Calculate position. More...

Variables
uint8_t	g_80x25_text_02h []

unsigned char	palette02H []

unsigned char	g_8x16_font_02h [4096]

screen_char *	mode02h_buffer = NULL

uint16_t	mode02h_buffer_cursor_x = 0

uint16_t	mode02h_buffer_cursor_y = 0

Function Documentation

◆ __mode02h_calcualte_position()

uint16_t __mode02h_calcualte_position	(	uint16_t	x,
		uint16_t	y
	)

Calculate position.

Calculate position on screen. Function return value that added to base address will give you position of current character on screen.

Parameters

x	x coordinate.
y	y coordinate.

Returns: Calculated position on screen.

◆ __mode02h_get_char_and_color_buffer()

int8_t __mode02h_get_char_and_color_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char *	character,
		uint8_t *	color
	)

Helper function to get character and character color color from given point on screen for mode 02h on given buffer.

Get character and character color color on given point on screen. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	x coordinate.
character	Return haracter.
color	Return character color.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_get_char_buffer()

int8_t __mode02h_get_char_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char *	character
	)

Helper function to get character from given point on screen for mode 02h on given buffer.

Get character on given point on screen. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	x coordinate.
y	y coordinate.
character	Return character.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_get_color_buffer()

int8_t __mode02h_get_color_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		uint8_t *	color
	)

Helper function to get character color from given point on screen for mode 02h on given buffer.

Get character color on given point on screen. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	x coordinate.
y	y coordinate.
color	Return color.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_newline()

void __mode02h_newline	(	uint16_t *	buffer,
		uint16_t *	x,
		uint16_t *	y
	)

Print new line.

Parameters

buffer	Pointer to screen buffer.
x	Pointer to x coordinate of screen cursor.
y	Pointer to y coordinate of screen cursor.

◆ __mode02h_print_char_buffer()

int8_t __mode02h_print_char_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		char	character
	)

Helper function to print character on screen for mode 02h on given buffer.

Print character on screen without changing color of character and background. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
character	Character.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_print_char_color_buffer()

int8_t __mode02h_print_char_color_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		char	character,
		uint8_t	color
	)

Helper function to print character on screen for mode 02h on given buffer.

Print character on screen with given color of character and background. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
character	Character.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_print_string_buffer()

int8_t __mode02h_print_string_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		const char *	string
	)

Helper function to print string on screen for mode 02h on given buffer.

Print string on screen without changing color of characters and background. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
string	String.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_print_string_color_buffer()

int8_t __mode02h_print_string_color_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		const char *	string,
		uint8_t	color
	)

Helper function to print string on screen for mode 02h on given buffer.

Print string on screen with given color of characters and background. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
string	String.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_set_char_and_color_buffer()

int8_t __mode02h_set_char_and_color_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char	character,
		uint8_t	color
	)

Helper function to set character and character color on given point on screen for mode 02h on given buffer.

Set character and character color on given point on screen. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	x coordinate.
y	y coordinate.
character	Character.
color	Character color.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_set_char_buffer()

int8_t __mode02h_set_char_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char	character
	)

Helper function to s character on given point on screen for mode 02h on given buffer.

Set character on given point on screen without changing color of character and background. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	x coordinate.
y	y coordinate.
character	Character.

Returns: 0 if success, -1 if not implemented.

◆ __mode02h_set_color_buffer()

int8_t __mode02h_set_color_buffer	(	uint16_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		uint8_t	color
	)

Helper function to set character color on given point on screen for mode 02h on given buffer.

Set character color on given point on screen without changing letter. This function works on given buffer.

Parameters

buffer	Screen buffer.
mode	Mode (only when writes to external buffer).
x	x coordinate.
y	y coordinate.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_clear_screen()

int8_t mode02h_clear_screen ( )

◆ mode02h_clear_screen_buffered()

int8_t mode02h_clear_screen_buffered ( )

◆ mode02h_clear_screen_external_buffer()

int8_t mode02h_clear_screen_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y
	)

◆ mode02h_create_external_buffer()

uint8_t* mode02h_create_external_buffer ( uint16_t mode )

◆ mode02h_draw_circle()

int8_t mode02h_draw_circle	(	uint8_t	color,
		uint16_t	x,
		uint16_t	y,
		uint16_t	radius
	)

◆ mode02h_draw_circle_buffered()

int8_t mode02h_draw_circle_buffered	(	uint8_t	color,
		uint16_t	x,
		uint16_t	y,
		uint16_t	radius
	)

◆ mode02h_draw_circle_external_buffer()

int8_t mode02h_draw_circle_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint8_t	color,
		uint16_t	x,
		uint16_t	y,
		uint16_t	radius
	)

◆ mode02h_draw_line()

int8_t mode02h_draw_line	(	uint8_t	color,
		uint16_t	ax,
		uint16_t	ay,
		uint16_t	bx,
		uint16_t	by
	)

◆ mode02h_draw_line_buffered()

int8_t mode02h_draw_line_buffered	(	uint8_t	color,
		uint16_t	ax,
		uint16_t	ay,
		uint16_t	bx,
		uint16_t	by
	)

◆ mode02h_draw_line_external_buffer()

int8_t mode02h_draw_line_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint8_t	color,
		uint16_t	ax,
		uint16_t	ay,
		uint16_t	bx,
		uint16_t	by
	)

◆ mode02h_draw_pixel()

int8_t mode02h_draw_pixel	(	uint8_t	color,
		uint16_t	x,
		uint16_t	y
	)

◆ mode02h_draw_pixel_buffered()

int8_t mode02h_draw_pixel_buffered	(	uint8_t	color,
		uint16_t	x,
		uint16_t	y
	)

◆ mode02h_draw_pixel_external_buffer()

int8_t mode02h_draw_pixel_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		int8_t	color,
		uint16_t	x,
		uint16_t	y
	)

◆ mode02h_draw_rectangle()

int8_t mode02h_draw_rectangle	(	uint8_t	color,
		uint16_t	ax,
		uint16_t	ay,
		uint16_t	bx,
		uint16_t	by
	)

◆ mode02h_draw_rectangle_buffered()

int8_t mode02h_draw_rectangle_buffered	(	uint8_t	color,
		uint16_t	ax,
		uint16_t	ay,
		uint16_t	bx,
		uint16_t	by
	)

◆ mode02h_draw_rectangle_external_buffer()

int8_t mode02h_draw_rectangle_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint8_t	color,
		uint16_t	ax,
		uint16_t	ay,
		uint16_t	bx,
		uint16_t	by
	)

◆ mode02h_get_char()

int8_t mode02h_get_char	(	uint16_t	x,
		uint16_t	y,
		char *	character
	)

Get character from given point on screen for mode 02h.

Get character on given point on screen.

Parameters

x	x coordinate.
y	y coordinate.
character	Return character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_char_and_color()

int8_t mode02h_get_char_and_color	(	uint16_t	x,
		uint16_t	y,
		char *	character,
		uint8_t *	color
	)

Get character and character color color from given point on screen for mode 02h.

Get character and character color color on given point on screen.

Parameters

x	x coordinate.
character	Return haracter.
color	Return character color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_char_and_color_buffered()

int8_t mode02h_get_char_and_color_buffered	(	uint16_t	x,
		uint16_t	y,
		char *	character,
		uint8_t *	color
	)

Get character and character color color from given point on screen for mode 02h to internal buffer.

Get character and character color color on given point on screen. This function works on internal buffer.

Parameters

x	x coordinate.
character	Return haracter.
color	Return character color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_char_and_color_external_buffer()

int8_t mode02h_get_char_and_color_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char *	character,
		uint8_t *	color
	)

Get character and character color color from given point on screen for mode 02h to external buffer.

Get character and character color color on given point on screen. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	x coordinate.
character	Return haracter.
color	Return character color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_char_buffered()

int8_t mode02h_get_char_buffered	(	uint16_t	x,
		uint16_t	y,
		char *	character
	)

Get character from given point on screen for mode 02h to internal buffer.

Get character on given point on screen. This function works on internal buffer.

Parameters

x	x coordinate.
y	y coordinate.
character	Return character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_char_external_buffer()

int8_t mode02h_get_char_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char *	character
	)

Get character from given point on screen for mode 02h to external buffer.

Get character on given point on screen. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	x coordinate.
y	y coordinate.
character	Return character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_color()

int8_t mode02h_get_color	(	uint16_t	x,
		uint16_t	y,
		uint8_t *	color
	)

Get character color from given point on screen for mode 02h.

Get character color on given point on screen.

Parameters

x	x coordinate.
y	y coordinate.
color	Return color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_color_buffered()

int8_t mode02h_get_color_buffered	(	uint16_t	x,
		uint16_t	y,
		uint8_t *	color
	)

Get character color from given point on screen for mode 02h to internal buffer.

Get character color on given point on screen. This function works on internal buffer.

Parameters

x	x coordinate.
y	y coordinate.
color	Return color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_color_external_buffer()

int8_t mode02h_get_color_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		uint8_t *	color
	)

Get character color from given point on screen for mode 02h to external buffer.

Get character color on given point on screen. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	x coordinate.
y	y coordinate.
color	Return color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_cursor_pos()

int8_t mode02h_get_cursor_pos	(	uint16_t *	x,
		uint16_t *	y
	)

Get cursor position for mode 02h.

Get cursor position on screen.

Parameters

x	Return x coordinate.
y	Return y coordinate.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_get_cursor_pos_buffered()

int8_t mode02h_get_cursor_pos_buffered	(	uint16_t *	x,
		uint16_t *	y
	)

Get cursor position for mode 02h to internal buffer.

Get cursor position on screen. This function works on internal buffer.

Parameters

x	Return x coordinate.
y	Return y coordinate.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_is_buffer_on()

uint8_t mode02h_is_buffer_on ( )

◆ mode02h_print_char()

int8_t mode02h_print_char ( char character )

Print character on screen for mode 02h.

Print character on screen without changing color of character and background.

Parameters

character Character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_char_buffered()

int8_t mode02h_print_char_buffered ( char character )

Print character on screen for mode 02h to internal buffer.

Print character on screen without changing color of character and background. This function works on internal buffer.

Parameters

character Character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_char_color()

int8_t mode02h_print_char_color	(	char	character,
		uint8_t	color
	)

Print character on screen for mode 02h.

Print character on screen with given color of character and background.

Parameters

character	Character.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_char_color_buffered()

int8_t mode02h_print_char_color_buffered	(	char	character,
		uint8_t	color
	)

Print character on screen for mode 02h to internal buffer.

Print character on screen with given color of character and background. This function works on internal buffer.

Parameters

character	Character.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_char_color_external_buffer()

int8_t mode02h_print_char_color_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		char	character,
		uint8_t	color
	)

Print character on screen for mode 02h to external buffer.

Print character on screen with given color of character and background. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
character	Character.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_char_external_buffer()

int8_t mode02h_print_char_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		char	character
	)

Print character on screen for mode 02h to external buffer.

Print character on screen without changing color of character and background. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
character	Character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_string()

int8_t mode02h_print_string ( const char * string )

Print string on screen for mode 02h.

Print string on screen without changing color of characters and background.

Parameters

string String.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_string_buffered()

int8_t mode02h_print_string_buffered ( const char * string )

Print string on screen for mode 02h to internal buffer.

Print string on screen without changing color of characters and background. This function works on internal buffer.

Parameters

string String.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_string_color()

int8_t mode02h_print_string_color	(	const char *	string,
		uint8_t	color
	)

Print string on screen for mode 02h.

Print string on screen with given color of characters and background.

Parameters

string	String.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_string_color_buffered()

int8_t mode02h_print_string_color_buffered	(	const char *	string,
		uint8_t	color
	)

Print string on screen for mode 02h to internal buffer.

Print string on screen with given color of characters and background. This function works on internal buffer.

Parameters

string	String.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_string_color_external_buffer()

int8_t mode02h_print_string_color_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		const char *	string,
		uint8_t	color
	)

Print string on screen for mode 02h to external buffer.

Print string on screen with given color of characters and background. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
string	String.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_print_string_external_buffer()

int8_t mode02h_print_string_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t *	x,
		uint16_t *	y,
		const char *	string
	)

Print string on screen for mode 02h to external buffer.

Print string on screen without changing color of characters and background. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	X coordinate of screen cursor also returns new position of cursor.
y	Y coordinate of screen cursor also returns new position of cursor.
string	String.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_char()

int8_t mode02h_set_char	(	uint16_t	x,
		uint16_t	y,
		char	character
	)

Set character on given point on screen for mode 02h.

Set character on given point on screen without changing color of character and background.

Parameters

x	x coordinate.
y	y coordinate.
character	Character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_char_and_color()

int8_t mode02h_set_char_and_color	(	uint16_t	x,
		uint16_t	y,
		char	character,
		uint8_t	color
	)

Set character and character color on given point on screen for mode 02h.

Set character and character color on given point on screen.

Parameters

x	x coordinate.
y	y coordinate.
character	Character.
color	Character color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_char_and_color_buffered()

int8_t mode02h_set_char_and_color_buffered	(	uint16_t	x,
		uint16_t	y,
		char	character,
		uint8_t	color
	)

Set character and character color on given point on screen for mode 02h to internal buffer.

Set character and character color on given point on screen. This function works on internal buffer.

Parameters

x	x coordinate.
y	y coordinate.
character	Character.
color	Character color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_char_and_color_external_buffer()

int8_t mode02h_set_char_and_color_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char	character,
		uint8_t	color
	)

Set character and character color on given point on screen for mode 02h to external buffer.

Set character and character color on given point on screen. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	x coordinate.
y	y coordinate.
character	Character.
color	Character color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_char_buffered()

int8_t mode02h_set_char_buffered	(	uint16_t	x,
		uint16_t	y,
		char	character
	)

Set character on given point on screen for mode 02h to internal buffer.

Set character on given point on screen without changing color of character and background. This function works on internal buffer.

Parameters

x	x coordinate.
y	y coordinate.
character	Character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_char_external_buffer()

int8_t mode02h_set_char_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		char	character
	)

Set character on given point on screen for mode 02h to external buffer.

Set character on given point on screen without changing color of character and background. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	x coordinate.
y	y coordinate.
character	Character.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_color()

int8_t mode02h_set_color	(	uint16_t	x,
		uint16_t	y,
		uint8_t	color
	)

Set character color on given point on screen for mode 02h.

Set character color on given point on screen without changing letter.

Parameters

x	x coordinate.
y	y coordinate.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_color_buffered()

int8_t mode02h_set_color_buffered	(	uint16_t	x,
		uint16_t	y,
		uint8_t	color
	)

Set character color on given point on screen for mode 02h to internal buffer.

Set character color on given point on screen without changing letter. This function works on internal buffer.

Parameters

x	x coordinate.
y	y coordinate.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_color_external_buffer()

int8_t mode02h_set_color_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode,
		uint16_t	x,
		uint16_t	y,
		uint8_t	color
	)

Set character color on given point on screen for mode 02h to external buffer.

Set character color on given point on screen without changing letter. This function works on external buffer.

Parameters

buffer	Screen buffer.
mode	Mode.
x	x coordinate.
y	y coordinate.
color	Color.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_cursor_pos()

int8_t mode02h_set_cursor_pos	(	uint16_t	x,
		uint16_t	y
	)

Set cursor position for mode 02h.

Set cursor position on screen.

Parameters

x	x coordinate.
y	y coordinate.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_cursor_pos_buffered()

int8_t mode02h_set_cursor_pos_buffered	(	uint16_t	x,
		uint16_t	y
	)

Set cursor position for mode 02h to internal buffer.

Set cursor position on screen. This function works on internal buffer.

Parameters

x	x coordinate.
y	y coordinate.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_set_mode()

int8_t mode02h_set_mode ( )

◆ mode02h_swap_buffers()

int8_t mode02h_swap_buffers ( )

◆ mode02h_swap_external_buffer()

int8_t mode02h_swap_external_buffer	(	uint8_t *	buffer,
		uint16_t	mode
	)

◆ mode02h_turn_cursor_off()

int8_t mode02h_turn_cursor_off ( )

Turn off cursor for mode 02h.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_turn_cursor_on()

int8_t mode02h_turn_cursor_on ( )

Turn on cursor for mode 02h.

Turn on cursor with default size and position. Copy screen from one to another.

Returns: 0 if success, -1 if not implemented.

◆ mode02h_turn_off_buffer()

int8_t mode02h_turn_off_buffer ( )

◆ mode02h_turn_on_buffer()

int8_t mode02h_turn_on_buffer ( )

Variable Documentation

◆ g_80x25_text_02h

uint8_t g_80x25_text_02h[]

Initial value:

=
    {
        
        0x67, 
        
        0x03, 0x00, 0x03, 0x00, 0x02, 
        
        0x5F, 0x4F, 0x50, 0x82, 0x55, 0x81, 0xBF, 0x1F,
        0x00, 0x4F, 0x0D, 0x0E, 0x00, 0x00, 0x00, 0x00,
        0x9C, 0x8E, 0x8F, 0x28, 0x1F, 0x96, 0xB9, 0xA3,
        0xFF, 
        
        0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0E, 0x00,
        0xFF, 
        
        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07,
        0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
        0x0C, 0x00, 0x0F, 0x08, 0x00
        }

◆ g_8x16_font_02h

unsigned char g_8x16_font_02h[4096]

◆ mode02h_buffer

screen_char* mode02h_buffer = NULL

◆ mode02h_buffer_cursor_x

uint16_t mode02h_buffer_cursor_x = 0

◆ mode02h_buffer_cursor_y

uint16_t mode02h_buffer_cursor_y = 0

◆ palette02H

unsigned char palette02H[]

Functions

Variables

Function Documentation

◆ __mode02h_calcualte_position()

◆ __mode02h_get_char_and_color_buffer()

◆ __mode02h_get_char_buffer()

◆ __mode02h_get_color_buffer()

◆ __mode02h_newline()

◆ __mode02h_print_char_buffer()

◆ __mode02h_print_char_color_buffer()

◆ __mode02h_print_string_buffer()

◆ __mode02h_print_string_color_buffer()

◆ __mode02h_set_char_and_color_buffer()

◆ __mode02h_set_char_buffer()

◆ __mode02h_set_color_buffer()

◆ mode02h_clear_screen()

◆ mode02h_clear_screen_buffered()

◆ mode02h_clear_screen_external_buffer()

◆ mode02h_create_external_buffer()

◆ mode02h_draw_circle()

◆ mode02h_draw_circle_buffered()

◆ mode02h_draw_circle_external_buffer()

◆ mode02h_draw_line()

◆ mode02h_draw_line_buffered()

◆ mode02h_draw_line_external_buffer()

◆ mode02h_draw_pixel()

◆ mode02h_draw_pixel_buffered()

◆ mode02h_draw_pixel_external_buffer()

◆ mode02h_draw_rectangle()

◆ mode02h_draw_rectangle_buffered()

◆ mode02h_draw_rectangle_external_buffer()

◆ mode02h_get_char()

◆ mode02h_get_char_and_color()

◆ mode02h_get_char_and_color_buffered()

◆ mode02h_get_char_and_color_external_buffer()

◆ mode02h_get_char_buffered()

◆ mode02h_get_char_external_buffer()

◆ mode02h_get_color()

◆ mode02h_get_color_buffered()

◆ mode02h_get_color_external_buffer()

◆ mode02h_get_cursor_pos()

◆ mode02h_get_cursor_pos_buffered()

◆ mode02h_is_buffer_on()

◆ mode02h_print_char()

◆ mode02h_print_char_buffered()

◆ mode02h_print_char_color()

◆ mode02h_print_char_color_buffered()

◆ mode02h_print_char_color_external_buffer()

◆ mode02h_print_char_external_buffer()

◆ mode02h_print_string()

◆ mode02h_print_string_buffered()

◆ mode02h_print_string_color()

◆ mode02h_print_string_color_buffered()

◆ mode02h_print_string_color_external_buffer()

◆ mode02h_print_string_external_buffer()

◆ mode02h_set_char()

◆ mode02h_set_char_and_color()

◆ mode02h_set_char_and_color_buffered()

◆ mode02h_set_char_and_color_external_buffer()

◆ mode02h_set_char_buffered()

◆ mode02h_set_char_external_buffer()

◆ mode02h_set_color()

◆ mode02h_set_color_buffered()

◆ mode02h_set_color_external_buffer()

◆ mode02h_set_cursor_pos()

◆ mode02h_set_cursor_pos_buffered()

◆ mode02h_set_mode()

◆ mode02h_swap_buffers()

◆ mode02h_swap_external_buffer()

◆ mode02h_turn_cursor_off()

◆ mode02h_turn_cursor_on()

◆ mode02h_turn_off_buffer()

◆ mode02h_turn_on_buffer()

Variable Documentation

◆ g_80x25_text_02h

◆ g_8x16_font_02h

◆ mode02h_buffer

◆ mode02h_buffer_cursor_x

◆ mode02h_buffer_cursor_y

◆ palette02H