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Diffstat (limited to 'demopal/lib/TVout/TVout.h')
| -rwxr-xr-x | demopal/lib/TVout/TVout.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/demopal/lib/TVout/TVout.h b/demopal/lib/TVout/TVout.h new file mode 100755 index 0000000..c4e184a --- /dev/null +++ b/demopal/lib/TVout/TVout.h @@ -0,0 +1,177 @@ +/*
+Copyright (c) 2010 Myles Metzer
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+/*
+This library provides a simple method for outputting data to a tv
+from a frame buffer stored in sram. This implementation is done
+completly by interupt and will return give as much cpu time to the
+application as possible.
+*/
+#ifndef TVOUT_H
+#define TVOUT_H
+
+#include <stdint.h>
+#include <avr/io.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <stdlib.h>
+
+#include "video_gen.h"
+#include "spec/hardware_setup.h"
+#include "spec/video_properties.h"
+
+// macros for readability when selecting mode.
+#define PAL 1
+#define NTSC 0
+#define _PAL 1
+#define _NTSC 0
+
+#define WHITE 1
+#define BLACK 0
+#define INVERT 2
+
+#define UP 0
+#define DOWN 1
+#define LEFT 2
+#define RIGHT 3
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+// Macros for clearer usage
+#define clear_screen() fill(0)
+#define invert(color) fill(2)
+
+/*
+TVout.cpp contains a brief expenation of each function.
+*/
+class TVout {
+public:
+ uint8_t * screen;
+
+ char begin(uint8_t mode);
+ char begin(uint8_t mode, uint8_t x, uint8_t y);
+ void end();
+
+ //accessor functions
+ unsigned char hres();
+ unsigned char vres();
+ char char_line();
+
+ //flow control functions
+ void delay(unsigned int x);
+ void delay_frame(unsigned int x);
+ unsigned long millis();
+
+ //override setup functions
+ void force_vscale(char sfactor);
+ void force_outstart(uint8_t time);
+ void force_linestart(uint8_t line);
+
+ //basic rendering functions
+ void set_pixel(uint8_t x, uint8_t y, char c);
+ unsigned char get_pixel(uint8_t x, uint8_t y);
+ void fill(uint8_t color);
+ void shift(uint8_t distance, uint8_t direction);
+ void draw_line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, char c);
+ void draw_row(uint8_t line, uint16_t x0, uint16_t x1, uint8_t c);
+ void draw_column(uint8_t row, uint16_t y0, uint16_t y1, uint8_t c);
+ void draw_rect(uint8_t x0, uint8_t y0, uint8_t w, uint8_t h, char c, char fc = -1);
+ void draw_circle(uint8_t x0, uint8_t y0, uint8_t radius, char c, char fc = -1);
+ void bitmap(uint8_t x, uint8_t y, const unsigned char * bmp, uint16_t i = 0, uint8_t width = 0, uint8_t lines = 0);
+
+ //hook setup functions
+ void set_vbi_hook(void (*func)());
+ void set_hbi_hook(void (*func)());
+
+ //tone functions
+ void tone(unsigned int frequency, unsigned long duration_ms);
+ void tone(unsigned int frequency);
+ void noTone();
+
+//The following function definitions can be found in TVoutPrint.cpp
+//printing functions
+ void print_char(uint8_t x, uint8_t y, unsigned char c);
+ void set_cursor(uint8_t, uint8_t);
+ void select_font(const unsigned char * f);
+
+ void write(uint8_t);
+ void write(const char *str);
+ void write(const uint8_t *buffer, uint8_t size);
+
+ void print(const char[]);
+ void print(char, int = BYTE);
+ void print(unsigned char, int = BYTE);
+ void print(int, int = DEC);
+ void print(unsigned int, int = DEC);
+ void print(long, int = DEC);
+ void print(unsigned long, int = DEC);
+ void print(double, int = 2);
+
+ void print(uint8_t, uint8_t, const char[]);
+ void print(uint8_t, uint8_t, char, int = BYTE);
+ void print(uint8_t, uint8_t, unsigned char, int = BYTE);
+ void print(uint8_t, uint8_t, int, int = DEC);
+ void print(uint8_t, uint8_t, unsigned int, int = DEC);
+ void print(uint8_t, uint8_t, long, int = DEC);
+ void print(uint8_t, uint8_t, unsigned long, int = DEC);
+ void print(uint8_t, uint8_t, double, int = 2);
+
+ void println(uint8_t, uint8_t, const char[]);
+ void println(uint8_t, uint8_t, char, int = BYTE);
+ void println(uint8_t, uint8_t, unsigned char, int = BYTE);
+ void println(uint8_t, uint8_t, int, int = DEC);
+ void println(uint8_t, uint8_t, unsigned int, int = DEC);
+ void println(uint8_t, uint8_t, long, int = DEC);
+ void println(uint8_t, uint8_t, unsigned long, int = DEC);
+ void println(uint8_t, uint8_t, double, int = 2);
+ void println(uint8_t, uint8_t);
+
+ void println(const char[]);
+ void println(char, int = BYTE);
+ void println(unsigned char, int = BYTE);
+ void println(int, int = DEC);
+ void println(unsigned int, int = DEC);
+ void println(long, int = DEC);
+ void println(unsigned long, int = DEC);
+ void println(double, int = 2);
+ void println(void);
+
+ void printPGM(const char[]);
+ void printPGM(uint8_t, uint8_t, const char[]);
+
+private:
+ uint8_t cursor_x,cursor_y;
+ const unsigned char * font;
+
+ void inc_txtline();
+ void printNumber(unsigned long, uint8_t);
+ void printFloat(double, uint8_t);
+};
+
+static void inline sp(unsigned char x, unsigned char y, char c);
+#endif
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