Add TV output

src/platforms/micro/lib/TVout/TVout.h

@@ -0,0 +1,103 @@
+/*
+ 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.
+*/
+
+#ifndef TVOUT_H
+#define TVOUT_H
+
+#include "video_gen.h"
+#include <avr/pgmspace.h>
+#include <stdlib.h>
+
+#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
+
+class TVout {
+public:
+  uint8_t *screen;
+  uint8_t begin(uint8_t mode);
+  uint8_t begin(uint8_t mode, uint8_t x, uint8_t y);
+  void end();
+
+  // accessor functions
+  unsigned int hres();
+  unsigned int vres();
+  char charLine();
+
+  // flow control functions
+  void delay(unsigned int x);
+  void delayFrame(unsigned int x);
+  unsigned long millis();
+
+  // basic rendering functions
+  void clearScreen();
+  void invert();
+  void fill(uint8_t color);
+  void setPixel(uint8_t x, uint8_t y, char c);
+  bool getPixel(uint8_t x, uint8_t y);
+  void drawLine(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, char c);
+  void drawRow(uint8_t line, uint16_t x0, uint16_t x1, uint8_t c);
+  void drawColumn(uint8_t row, uint16_t y0, uint16_t y1, uint8_t c);
+  void drawRect(uint8_t x0, uint8_t y0, uint8_t w, uint8_t h, char c,
+                char fc = -1);
+  void drawCircle(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);
+  void shift(uint8_t distance, uint8_t direction);
+
+  // tone functions
+  void tone(unsigned int frequency, unsigned long durationMS);
+  void tone(unsigned int frequency);
+  void noTone();
+
+private:
+  // hook setup functions
+  void setVBIHook(void (*func)());
+  void setHBIHook(void (*func)());
+
+  // override setup functions
+  void forceVscale(char sfactor);
+  void forceOutStart(uint8_t time);
+  void forceLineStart(uint8_t line);
+  void incTxtLine();
+
+  uint8_t _cursorX, _cursorY;
+};
+
+static void inline sp(uint8_t x, uint8_t y, char c);
+#endif