Chris Taylor / Mbed 2 deprecated RETRO-Chip8

Emulation of the 1970's Chip-8 machine. The emulator has 7 games that are unmodified from the original Chip-8 format.

Dependencies:   mbed

Chip8Emulator.h@0:bc3f11b1b41f, 2015-02-08 (annotated)

Committer:
taylorza
Date:
Sun Feb 08 01:58:57 2015 +0000
Revision:
0:bc3f11b1b41f
Chip-8 Emulator

Who changed what in which revision?

UserRevisionLine numberNew contents of line
taylorza 0:bc3f11b1b41f 1 #include "LCD_ST7735.h"
taylorza 0:bc3f11b1b41f 2 #include "Bitmap1bpp.h"
taylorza 0:bc3f11b1b41f 3
taylorza 0:bc3f11b1b41f 4 #ifndef __CHIP8EMULATOR_H__
taylorza 0:bc3f11b1b41f 5 #define __CHIP8EMULATOR_H__
taylorza 0:bc3f11b1b41f 6
taylorza 0:bc3f11b1b41f 7 class Chip8Emulator
taylorza 0:bc3f11b1b41f 8 {
taylorza 0:bc3f11b1b41f 9 public:
taylorza 0:bc3f11b1b41f 10 Chip8Emulator(LCD_ST7735 &screen, const uint8_t *program, uint16_t programSize, uint8_t leftKey, uint8_t rightKey, uint8_t upKey, uint8_t downKey, uint8_t fireKey, uint8_t startKey);
taylorza 0:bc3f11b1b41f 11 void run();
taylorza 0:bc3f11b1b41f 12
taylorza 0:bc3f11b1b41f 13 private:
taylorza 0:bc3f11b1b41f 14 uint8_t rnd();
taylorza 0:bc3f11b1b41f 15 bool isKeyPressed(uint8_t key);
taylorza 0:bc3f11b1b41f 16 uint8_t getKeyPressed();
taylorza 0:bc3f11b1b41f 17 void plot(int x, int y, uint8_t pattern);
taylorza 0:bc3f11b1b41f 18
taylorza 0:bc3f11b1b41f 19 private:
taylorza 0:bc3f11b1b41f 20 Bitmap1bpp _bmp;
taylorza 0:bc3f11b1b41f 21 LCD_ST7735 &_screen;
taylorza 0:bc3f11b1b41f 22 uint8_t _delay;
taylorza 0:bc3f11b1b41f 23 uint8_t _sound;
taylorza 0:bc3f11b1b41f 24 uint16_t _pc;
taylorza 0:bc3f11b1b41f 25 uint16_t _sp;
taylorza 0:bc3f11b1b41f 26 uint16_t _i;
taylorza 0:bc3f11b1b41f 27 uint8_t _memory[4096];
taylorza 0:bc3f11b1b41f 28 uint16_t _stack[16];
taylorza 0:bc3f11b1b41f 29 uint8_t _registers[16];
taylorza 0:bc3f11b1b41f 30
taylorza 0:bc3f11b1b41f 31 uint8_t _leftKey;
taylorza 0:bc3f11b1b41f 32 uint8_t _rightKey;
taylorza 0:bc3f11b1b41f 33 uint8_t _upKey;
taylorza 0:bc3f11b1b41f 34 uint8_t _downKey;
taylorza 0:bc3f11b1b41f 35 uint8_t _fireKey;
taylorza 0:bc3f11b1b41f 36 uint8_t _startKey;
taylorza 0:bc3f11b1b41f 37
taylorza 0:bc3f11b1b41f 38 private:
taylorza 0:bc3f11b1b41f 39 static const int OFFSET_X = 16;
taylorza 0:bc3f11b1b41f 40 static const int OFFSET_Y = 32;
taylorza 0:bc3f11b1b41f 41
taylorza 0:bc3f11b1b41f 42 static const uint8_t _font[];
taylorza 0:bc3f11b1b41f 43 };
taylorza 0:bc3f11b1b41f 44
taylorza 0:bc3f11b1b41f 45 #endif //__CHIP8EMULATOR_H__