GLCD - Set / Clear Pixel

uint8_t VRAM[8][128]; // 8 * 8 (Bits) = 64


void setPixel( uint8_t y, uint8_t x )
{
    uint8_t index   = y / 8;
    uint8_t yBitPos = y % 8;

    VRAM[index][x] |= 1<<yBitPos;
}

void clearPixel( uint8_t y, uint8_t x )
{
    uint8_t index   = y / 8;
    uint8_t yBitPos = y % 8;

    VRAM[index][x] &= ~(1<<yBitPos);
}