Cam-Microcontrollers

SNAKE GAME

// Glcd module connections
char GLCD_DataPort at PORTD;

sbit GLCD_CS1 at RC0_bit;
sbit GLCD_CS2 at RC1_bit;
sbit GLCD_RS  at RC2_bit;
sbit GLCD_RW  at RC3_bit;
sbit GLCD_EN  at RC4_bit;
sbit GLCD_RST at RC5_bit;

sbit GLCD_CS1_Direction at TRISC0_bit;
sbit GLCD_CS2_Direction at TRISC1_bit;
sbit GLCD_RS_Direction  at TRISC2_bit;
sbit GLCD_RW_Direction  at TRISC3_bit;
sbit GLCD_EN_Direction  at TRISC4_bit;
sbit GLCD_RST_Direction at TRISC5_bit;
// End Glcd module connections

//--------------------------BUTTON CONNECTIONS
sbit keyUp at RB4_bit;
sbit keyLeft at RB5_bit;
sbit keyDown at RB6_bit;
sbit keyRight at RB7_bit;
sbit keyB at RB3_bit;
sbit keyA at RB2_bit;

#define CODE_EMPTY   '.'
#define CODE_FOOD 3
#define CODE_SNAKE 219



#define GLCD_LEFT 0
#define GLCD_RIGHT 64


#define OFFSET_FOOD 0

#define OFFSET_SNVE 8
#define OFFSET_SNHO 16

#define OFFSET_SNDL 24
#define OFFSET_SNUL 32
#define OFFSET_SNUR 40
#define OFFSET_SNDR 48

#define OFFSET_SNHU 56
#define OFFSET_SNHR 64
#define OFFSET_SNHD 72
#define OFFSET_SNHL 80

#define OFFSET_SNTU 88
#define OFFSET_SNTR 96
#define OFFSET_SNTD 104
#define OFFSET_SNTL 112


void glcdFillScreen(unsigned short color) {
 glcd_fill(color);
}


unsigned long _Randseed;

unsigned int random(void) {
   _Randseed = _Randseed * 1103515245 + 12345;
   return ((unsigned int)(_Randseed >> 16) );
}

void srandom(unsigned long seed) {
   _Randseed = seed;
}
const unsigned short BITMAP[] = {0b00011110,  // food
                                0b00100001,
                                0b01000001,
                                0b10000010,
                                0b10000010,
                                0b01000001,
                                0b00100001,
                                0b00011110,

                                0b00000000,  // snake_vertical
                                0b00000000,
                                0b11101110,
                                0b11101110,
                                0b01110111,
                                0b01110111,
                                0b00000000,
                                0b00000000,

                                0b00001100,  // snake_horizontal
                                0b00111100,
                                0b00111100,
                                0b00110000,
                                0b00001100,
                                0b00111100,
                                0b00111100,
                                0b00110000,

                                0b00001100,  // snake_down_left
                                0b00111100,
                                0b11111100,
                                0b11101000,
                                0b01111000,
                                0b01100000,
                                0b00000000,
                                0b00000000,

                                0b00001100,  // snake_up_left
                                0b00111100,
                                0b00111110,
                                0b00010110,
                                0b00011111,
                                0b00000111,
                                0b00000000,
                                0b00000000,

                                0b00000000,  // snake_up_right
                                0b00000000,
                                0b00000110,
                                0b00011110,
                                0b00010111,
                                0b00111111,
                                0b00111100,
                                0b00110000,

                                0b00000000,  // snake_down_right
                                0b00000000,
                                0b11100000,
                                0b11111000,
                                0b01101000,
                                0b01111100,
                                0b00111100,
                                0b00110000,

                                0b00000000,  // snake_head_up   // link up, head looks down
                                0b01110000,
                                0b10011110,
                                0b11111110,
                                0b11111111,
                                0b10011111,
                                0b01110000,
                                0b00000000,

                                0b00111100,  // snake_head_right  // link right
                                0b01011010,
                                0b01011010,
                                0b01111110,
                                0b00111100,
                                0b00111100,
                                0b00111100,
                                0b00110000,

                                0b00000000,  // snake_head_down  // link down
                                0b00001110,
                                0b11111001,
                                0b11111111,
                                0b01111111,
                                0b01111001,
                                0b00001110,
                                0b00000000,

                                0b00001100,  // snake_head_left  // link left
                                0b00111100,
                                0b00111100,
                                0b00111100,
                                0b01111110,
                                0b01011010,
                                0b01011010,
                                0b00111100,




                                0b00000000,  // snake_tail_up   // link up
                                0b00000000,
                                0b00101110,
                                0b11101110,
                                0b11110111,
                                0b00110111,
                                0b00000000,
                                0b00000000,

                                0b00011000,  // snake_tail_right  // link right
                                0b00011000,
                                0b00111100,
                                0b00110000,
                                0b00001100,
                                0b00111100,
                                0b00111100,
                                0b00110000,

                                0b00000000,  // snake_tail_down  // link down
                                0b00000000,
                                0b11101100,
                                0b11101111,
                                0b01110111,
                                0b01110100,
                                0b00000000,
                                0b00000000,

                                0b00001100,  // snake_tail_left  // link left
                                0b00111100,
                                0b00111100,
                                0b00110000,
                                0b00001100,
                                0b00111100,
                                0b00011000,
                                0b00011000};