#include <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <wonderful.h>
#include "memory.h"
#include "ports.h"

Data Structures
struct	ws_display_tile_t
	A structure representing a 2 bit per pixel tile. More...
struct	ws_display_tile_4bpp_t
	A structure representing a 4 bit per pixel tile. More...
struct	ws_screen_t
struct	ws_sprite_t
struct	ws_sprite_table_t

Macros
#define	WS_DISPLAY_WIDTH_TILES 28
#define	WS_DISPLAY_HEIGHT_TILES 18
#define	WS_DISPLAY_WIDTH_PIXELS (WS_DISPLAY_WIDTH_TILES * WS_DISPLAY_TILE_WIDTH)
#define	WS_DISPLAY_HEIGHT_PIXELS (WS_DISPLAY_HEIGHT_TILES * WS_DISPLAY_TILE_HEIGHT)
#define	WS_DISPLAY_TILE_WIDTH 8
#define	WS_DISPLAY_TILE_HEIGHT 8
#define	WS_DISPLAY_TILE_SIZE 16
	Tile 2-bit-per-pixel graphic data size, in bytes.
#define	WS_DISPLAY_TILE_SIZE_4BPP 32
	Tile 4-bit-per-pixel graphic data size, in bytes.
#define	WS_DISPLAY_VTOTAL 159
	Number of vertical lines in a frame.
#define	WS_SCREEN_ATTR_TILE(x)
	Screen attribute: tile index (0-511).
#define	WS_SCREEN_ATTR_TILE_MASK (0x1FF)
#define	WS_SCREEN_ATTR_PALETTE(x)
	Screen attribute: palette (0-15).
#define	WS_SCREEN_ATTR_PALETTE_MASK (0xF << 9)
#define	WS_SCREEN_ATTR_BANK(x)
	Screen attribute: tile bank (0-1).
#define	WS_SCREEN_ATTR_BANK_MASK (0x2000)
#define	WS_SCREEN_ATTR_TILE_EX(x)
	Screen attribute: tile index (0-1023). Calculates both bank and index.
#define	WS_SCREEN_ATTR_TILE_EX_MASK (0x21FF)
#define	WS_SCREEN_ATTR_FLIP_H 0x4000
	Screen attribute: flip tile graphic horizontally.
#define	WS_SCREEN_ATTR_FLIP_V 0x8000
	Screen attribute: flip tile graphic vertically.
#define	WS_SCREEN_ATTR_FLIP 0xC000
	Screen attribute: flip tile graphic in both axes (180-degree rotation).
#define	WS_SCREEN_ATTR_FLIP_MASK 0xC000
#define	WS_SCREEN_WIDTH_TILES 32
#define	WS_SCREEN_HEIGHT_TILES 32
#define	WS_SCREEN_WIDTH_PIXELS (WS_SCREEN_WIDTH_TILES * WS_DISPLAY_TILE_WIDTH)
#define	WS_SCREEN_HEIGHT_PIXELS (WS_SCREEN_HEIGHT_TILES * WS_DISPLAY_TILE_HEIGHT)
#define	WS_SPRITE_ATTR_TILE(x)
	Sprite attribute: tile index (0-511).
#define	WS_SPRITE_ATTR_TILE_MASK (0x1FF)
#define	WS_SPRITE_ATTR_PALETTE(x)
	Sprite attribute: palette (0-7; corresponds to screen palettes 8-15).
#define	WS_SPRITE_ATTR_PALETTE_MASK (0x7 << 9)
#define	WS_SPRITE_ATTR_OUTSIDE 0x1000
	Sprite attribute: draw sprite outside instead of inside window, if window enabled.
#define	WS_SPRITE_ATTR_PRIORITY 0x2000
	Sprite attribute: draw sprite in front of instead of behind Screen 2.
#define	WS_SPRITE_ATTR_FLIP_H 0x4000
	Sprite attribute: flip tile graphic horizontally.
#define	WS_SPRITE_ATTR_FLIP_V 0x8000
	Sprite attribute: flip tile graphic vertically.
#define	WS_SPRITE_ATTR_FLIP 0xC000
	Sprite attribute: flip tile graphic in both axes (180-degree rotation).
#define	WS_SPRITE_ATTR_FLIP_MASK 0xC000
#define	WS_SPRITE_MAX_COUNT 128
	Sprite: maximum number of sprites in a sprite table.
#define	WS_SPRITE_MAX_LINE_COUNT 32
	Sprite: maximum number of sprites in a scanline.
#define	WS_RGB(r, g, b)
	Create an RGB color.
#define	WS_DISPLAY_MONO_PALETTE(c0, c1, c2, c3)
	Define a mono mode palette of four shades (0-7).
#define	WS_TILE_MEM(i)
	Pointer to tile.
#define	WS_TILE_4BPP_MEM(i)
	Pointer to 4bpp tile.
#define	WS_TILE_BANKED_MEM(b, i)
	Pointer to tile, with bank specified separately.
#define	WS_TILE_4BPP_BANKED_MEM(b, i)
	Pointer to 4bpp, tile, with bank specified separately.
#define	WS_DISPLAY_COLOR_MEM(i)
	Pointer to color palette.
#define	WS_SCREEN_COLOR_MEM WS_DISPLAY_COLOR_MEM
	Pointer to screen color palette.
#define	WS_SPRITE_COLOR_MEM(i)
	Pointer to sprite color palette.
#define	WS_DISPLAY_SHADE_LUT(c0, c1, c2, c3, c4, c5, c6, c7)
#define	WS_DISPLAY_SHADE_LUT_DEFAULT WS_DISPLAY_SHADE_LUT(0, 2, 4, 6, 9, 11, 13, 15)
#define	ws_sprite_load_palette_mono(data, first, count)
#define	ws_sprite_load_palette_color_2bpp(data, first, count)
#define	ws_sprite_load_palette_color_4bpp(data, first, count)
#define	ws_display_set_screen1_address(address)
	Set the base addresses of screen 1.
#define	ws_display_set_screen2_address(address)
	Set the base addresses of screen 2.
#define	ws_display_scroll_screen1_to(x, y)
	Scroll screen 1 to a specified location.
#define	ws_display_scroll_screen2_to(x, y)
	Scroll screen 2 to a specified location.
#define	ws_display_set_shade_lut_default()
	Use the default shade LUT.

Functions
static void	ws_display_load_palette_mono (const void __far *data, int first, int count)
	Load monochrome palette data (2 bytes per palette).
void	ws_display_load_palette_color_2bpp (const void __far *data, int first, int count)
	Load 2BPP color palette data (4 words per palette).
static void	ws_display_load_palette_color_4bpp (const void __far *data, int first, int count)
	Load 4BPP color palette data (16 words per palette).
static void	ws_display_set_control (uint8_t value)
	Set which layers and windows are visible on the display.
static uint8_t	ws_display_get_control (void)
	Query which layers and windows are visible on the display.
static void	ws_display_set_screen_addresses (const void __wf_iram scr1_addr, const void __wf_iram scr2_addr)
	Set the base addresses of screens 1 and 2.
static void	ws_display_set_screen_address (uint8_t screen, const void __wf_iram *address)
	Set the base addresses of the specified screen.
static void	ws_display_set_sprite_address (const void __wf_iram *address)
	Set the base addresses of the sprite table.
static void	ws_display_set_screen2_window (uint8_t x, uint8_t y, uint8_t width, uint8_t height)
	Set the position and size of the screen 2 window.
static void	ws_display_set_screen2_window_corners (uint8_t left, uint8_t top, uint8_t right, uint8_t bottom)
	Set the corners of the screen 2 window.
static void	ws_display_set_sprite_window (uint8_t x, uint8_t y, uint8_t width, uint8_t height)
	Set the position and size of the sprite window.
static void	ws_display_set_sprite_window_corners (uint8_t left, uint8_t top, uint8_t right, uint8_t bottom)
	Set the corners of the sprite window.
static void	ws_display_scroll_screen_to (uint8_t screen, uint8_t x, uint8_t y)
	Scroll the specified screen to a specified location.
void	ws_display_scroll_screen_by (uint8_t screen, int16_t x, int16_t y)
	Scroll the specified screen by a specified number of pixels.
static uint8_t	ws_display_get_current_line (void)
	Get the line currently being drawn to the line buffer.
static void	ws_display_scroll_screen1_by (uint8_t x, uint8_t y)
	Scroll screen 1 by a specified number of pixels.
static void	ws_display_scroll_screen2_by (uint8_t x, uint8_t y)
	Scroll screen 2 by a specified number of pixels.
static void	ws_display_set_icons (uint8_t mask)
	Set the list of displayed LCD icons, clearing any unspecified icons.
static void	ws_display_show_icons (uint8_t mask)
	Show specified LCD icons.
static void	ws_display_hide_icons (uint8_t mask)
	Hide specified LCD icons.
static void	ws_display_toggle_icons (uint8_t mask)
	Toggle specified LCD icons.
void	ws_display_set_shade_lut (uint32_t lut)
	Configure the shade LUT.
static void	ws_lcd_control_enable (void)
	Enable the LCD panel.
static void	ws_lcd_control_disable (void)
	Disable the LCD panel.
static void	ws_screen_put_tiles (void ws_iram dest, const void __far src, uint16_t x, uint16_t y, uint16_t width, uint16_t height)
	Place a map of tiles on the screen.
static void	ws_screen_put_tiles_ex (void ws_iram dest, const void __far src, uint16_t sx, uint16_t sy, uint16_t pitch, uint16_t dx, uint16_t dy, uint16_t width, uint16_t height)
	Place a map of tiles on the screen. This varianta llows specifying the source X position, Y position and width.
void	ws_screen_get_tiles (void __far dest, const void ws_iram src, uint16_t x, uint16_t y, uint16_t width, uint16_t height)
	Copy a map of tiles from the screen.
void	ws_screen_fill_tiles (void ws_iram *dest, uint16_t src, uint16_t x, uint16_t y, uint16_t width, uint16_t height)
	Fill an area on the screen with a given tile.
void	ws_screen_modify_tiles (void ws_iram *dest, uint16_t mask, uint16_t value, uint16_t x, uint16_t y, uint16_t width, uint16_t height)
	Modify an area on the screen with given data.
static void	ws_screen_put_tile (void ws_iram *dest, uint16_t src, uint16_t x, uint16_t y)
	Put a tile on the screen.
static uint16_t	ws_screen_get_tile (void ws_iram *src, uint16_t x, uint16_t y)
	Get a tile on the screen.

Detailed Description

Functionality related to the display.

Definition in file display.h.

Data Structures

Macros

Functions

Detailed Description