cga.h

Go to the documentation of this file.

#ifndef __UGBC_TMS9918__
#define __UGBC_TMS9918__
 
/*****************************************************************************
 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers        *
 *****************************************************************************
 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *----------------------------------------------------------------------------
 * Concesso in licenza secondo i termini della Licenza Apache, versione 2.0
 * (la "Licenza"); è proibito usare questo file se non in conformità alla
 * Licenza. Una copia della Licenza è disponibile all'indirizzo:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Se non richiesto dalla legislazione vigente o concordato per iscritto,
 * il software distribuito nei termini della Licenza è distribuito
 * "COSì COM'è", SENZA GARANZIE O CONDIZIONI DI ALCUN TIPO, esplicite o
 * implicite. Consultare la Licenza per il testo specifico che regola le
 * autorizzazioni e le limitazioni previste dalla medesima.
 ****************************************************************************/
 
#include "../ugbc.h"
 
#define COLOR_TRANSPARENT           0x00
#define COLOR_BLACK                 0x00
#define COLOR_DARK_WHITE            0x08 // DARK GRAY
#define COLOR_WHITE                 0x0f
#define COLOR_LIGHT_WHITE           COLOR_WHITE
#define COLOR_DARK_RED              0x04
#define COLOR_RED                   0x0c
#define COLOR_LIGHT_RED             COLOR_RED
#define COLOR_CYAN                  0x0b
#define COLOR_VIOLET                0x0d // LIGHT MAGENTA
#define COLOR_DARK_GREEN            0x02
#define COLOR_GREEN                 0x0a
#define COLOR_LIGHT_GREEN           COLOR_GREEN
#define COLOR_DARK_BLUE             0x01
#define COLOR_BLUE                  0x09
#define COLOR_LIGHT_BLUE            COLOR_BLUE
#define COLOR_YELLOW                0x0e
#define COLOR_ORANGE                COLOR_LIGHT_RED
#define COLOR_BROWN                 0x06
#define COLOR_DARK_GREY             COLOR_DARK_WHITE
#define COLOR_GREY                  0x07
#define COLOR_LIGHT_GREY            COLOR_GREY
#define COLOR_MAGENTA               0x0d
#define COLOR_PURPLE                COLOR_VIOLET
#define COLOR_LAVENDER              COLOR_VIOLET
#define COLOR_GOLD                  COLOR_YELLOW
#define COLOR_TURQUOISE             COLOR_LIGHT_BLUE
#define COLOR_TAN                   COLOR_BROWN
#define COLOR_YELLOW_GREEN          COLOR_LIGHT_GREEN
#define COLOR_OLIVE_GREEN           COLOR_GREEN
#define COLOR_PINK                  COLOR_LIGHT_RED
#define COLOR_PEACH                 COLOR_PINK
#define COLOR_COUNT                 16
 
#define DEFAULT_PEN_COLOR           COLOR_WHITE
#define DEFAULT_PAPER_COLOR         COLOR_BLACK
 
#define TEXT_COLUMNS_COUNT          40
#define TEXT_ROWS_COUNT             25
 
#define TILEMAP_MODE_40x25x2       0           // BIOS MODE 00h (40x25, 2 colors)
#define TILEMAP_MODE_40x25x16      1           // BIOS MODE 01h (40x25, 16 colors)
#define TILEMAP_MODE_80x25x2       2           // BIOS MODE 02h (80x25, 2 colors)
#define TILEMAP_MODE_80x25x16      3           // BIOS MODE 03h (80x25, 16 colors)
#define TILEMAP_MODE_STANDARD      TILEMAP_MODE_40x25x16
 
#define BITMAP_MODE_320x200x2      4           // BIOS MODE 05h (320x200, 2 colors)
#define BITMAP_MODE_320x200x4      5           // BIOS MODE 04h (320x200, 4 colors)
#define BITMAP_MODE_640x200x2      6           // BIOS MODE 06h (640x200, 2 colors)
#define BITMAP_MODE_STANDARD       BITMAP_MODE_320x200x4
 
#define BITMAP_MODE_DEFAULT         BITMAP_MODE_STANDARD
 
#define SPRITE_COUNT                32
#define SPRITE_WIDTH                8
#define SPRITE_HEIGHT               8
#define SPRITE_X_MIN                0
#define SPRITE_Y_MIN                0
#define SPRITE_X_MAX                264
#define SPRITE_Y_MAX                200
 
#define SCREEN_SPRITE_RATIO_X       100
#define SCREEN_SPRITE_RATIO_Y       100
#define SCREEN_BORDER_X             0
#define SCREEN_BORDER_Y             0
 
#define IMAGE_WIDTH_SIZE                2
#define IMAGE_WIDTH_OFFSET              0
#define IMAGE_HEIGHT_SIZE               1
#define IMAGE_HEIGHT_OFFSET             2
 
#define DOUBLE_BUFFER_PAGE_0        0
#define DOUBLE_BUFFER_PAGE_1        1
 
// #define TILES_PADDING           8
 
int cga_screen_mode_enable( Environment * _environment, ScreenMode * _screen_mode );
 
void cga_initialization( Environment * _environment );
void cga_finalization( Environment * _environment );
 
void cga_back( Environment * _environment );
void cga_background_color( Environment * _environment, int _index, int _background_color );
void cga_background_color_vars( Environment * _environment, char * _index, char * _background_color );
void cga_background_color_semivars( Environment * _environment, int _index, char * _background_color );
void cga_colors_vars( Environment * _environment, char * _foreground_color, char * _background_color );
void cga_background_color_get_vars( Environment * _environment, char * _index, char * _background_color );
void cga_border_color( Environment * _environment, char * _border_color );
Variable * cga_collision( Environment * _environment, char * _sprite );
void cga_hit( Environment * _environment, char * _sprite_mask, char * _result );
void cga_next_raster( Environment * _environment );
void cga_next_raster_at( Environment * _environment, char * _label, char * _positionlo, char * _positionhi );
void cga_raster_at( Environment * _environment, char * _label, char * _positionlo, char * _positionhi );
void cga_sprite_common_color( Environment * _environment, char * _index, char * _common_color );
void cga_bitmap_enable( Environment * _environment, int _width, int _height, int _colors );
void cga_bitmap_disable( Environment * _environment );
void cga_bitmap_at( Environment * _environment, char * _address );
void cga_colormap_at( Environment * _environment, char * _address );
void cga_textmap_at( Environment * _environment, char * _address );
void cga_tiles_at( Environment * _environment, char * _address );
void cga_tilemap_enable( Environment * _environment, int _width, int _height, int _colors, int _tile_width, int _tile_height );
 
void cga_bank_select( Environment * _environment, int _bank );
void cga_screen_on( Environment * _environment );
void cga_screen_off( Environment * _environment );
void cga_screen_rows( Environment * _environment, char * _rows );
void cga_screen_columns( Environment * _environment, char * _columns );
 
void cga_sprite_data_from( Environment * _environment, char * _sprite, char * _image );
void cga_sprite_data_set( Environment * _environment, char * _sprite, char * _image );
void cga_sprite_enable( Environment * _environment, char *_sprite );
void cga_sprite_disable( Environment * _environment, char * _sprite );
void cga_sprite_at( Environment * _environment, char * _sprite, char * _x, char * _y );
void cga_sprite_expand_vertical( Environment * _environment, char * _sprite );
void cga_sprite_expand_horizontal( Environment * _environment, char * _sprite );
void cga_sprite_compress_vertical( Environment * _environment, char * _sprite );
void cga_sprite_compress_horizontal( Environment * _environment, char * _sprite );
void cga_sprite_multicolor( Environment * _environment, char * _sprite );
void cga_sprite_monocolor( Environment * _environment, char * _sprite );
void cga_sprite_color( Environment * _environment, char * _sprite, char * _color );
void cga_sprite_priority( Environment * _environment, char * _sprite, char * _priority );
void cga_vertical_scroll( Environment * _environment, char * _displacement );
void cga_horizontal_scroll( Environment * _environment, char * _displacement );
void cga_busy_wait( Environment * _environment, char * _timing );
 
void cga_tiles_get( Environment * _environment, char * _result );
void cga_get_width( Environment * _environment, char * _result );
void cga_get_height( Environment * _environment, char * _result );
 
void cga_pset_int( Environment * _environment, int _x, int _y, int *_c );
void cga_pset_vars( Environment * _environment, char *_x, char *_y, char *_c );
void cga_pget_color_vars( Environment * _environment, char *_x, char *_y, char * _result );
void cga_cls( Environment * _environment );
void cga_cls_box( Environment * _environment, char * _x1, char * _y1, char * _w, char * _h );
void cga_scroll_text( Environment * _environment, int _direction, int _overlap );
void cga_hscroll_line( Environment * _environment, int _direction, int _overlap );
void cga_hscroll_screen( Environment * _environment, int _direction, int _overlap );
void cga_text( Environment * _environment, char * _text, char * _text_size, int _raw );
void cga_cline( Environment * _environment, char * _characters );
void cga_scroll( Environment * _environment, int _dx, int _dy );
 
void cga_calculate_sequence_frame_offset( Environment * _environment, char * _offset, char * _sequence, char * _frame, int _frame_size, int _frame_count );
 
Variable * cga_get_raster_line( Environment * _environment );
 
int cga_image_size( Environment * _environment, int _width, int _height, int _mode );
Variable * cga_image_converter( Environment * _environment, char * _data, int _width, int _height, int _depth, int _offset_x, int _offset_y, int _frame_width, int _frame_height, int _mode, int _transparent_color, int _flags );
Variable * cga_sprite_converter( Environment * _environment, char * _data, int _width, int _height, int _depth, RGBi * _color, int _x_slot, int _y_slot );
void cga_put_image( Environment * _environment, Resource * _image, char * _x, char * _y, char * _frame, char * _sequence, int _frame_size, int _frame_count, char * _flags );
void cga_blit_image( Environment * _environment, char * _sources[], int _source_count, char * _blit, char * _x, char * _y, char * _frame, char * _sequence, int _frame_size, int _frame_count, int _flags );
void cga_wait_vbl( Environment * _environment );
Variable * cga_new_image( Environment * _environment, int _width, int _height, int _mode );
Variable * cga_new_images( Environment * _environment, int _frames, int _width, int _height, int _mode );
Variable * cga_new_sequence( Environment * _environment, int _sequences, int _frames, int _width, int _height, int _mode );
void cga_get_image( Environment * _environment, char * _image, char * _x, char * _y, char * _frame, char * _sequence, int _frame_size, int _frame_count, int _palette );
 
void cga_put_tile( Environment * _environment, char * _image, char * _x, char * _y );
void cga_put_tiles( Environment * _environment, char * _image, char * _x, char * _y, char *_w, char *_h );
void cga_move_tiles( Environment * _environment, char * _image, char * _x, char * _y );
void cga_use_tileset( Environment * _environment, char * _tileset );
void cga_tile_at( Environment * _environment, char * _x, char * _y, char *_result );
 
void cga_move_memory_video( Environment * _environment, char * _from, char * _to, char * _size );
void cga_move_video_memory( Environment * _environment, char * _from, char * _to, char * _size );
void cga_move_video_video( Environment * _environment, char * _from, char * _to, char * _size );
 
typedef void (*Tms9918SliceImageFunction)(Environment *, char *, char *, char *, int, int, char *);
 
void cga_slice_image_copy( Environment * _environment, char * _image, char * _frame, char * _sequence, int _frame_size, int _frame_count, char * _destination );
void cga_slice_image_extract( Environment * _environment, char * _image, char * _frame, char * _sequence, int _frame_size, int _frame_count, char * _destination );
int cga_palette_extract( Environment * _environment, char * _data, int _width, int _height, int _depth, int _flags, RGBi * _palette );
void cga_flip_image( Environment * _environment, Resource * _image, char * _frame, char * _sequence, int _frame_size, int _frame_count, char * _direction );
 
void cga_screen( Environment * _environment, char * _x, char * _y, char * _c );
 
#endif