Ich habs jetzt so umgeschrieben:

Code:
const unsigned char _A[] = {0b00001, 0b10110, 0b10110, 0b00001};
  const unsigned char _H[] = {0b00000, 0b11011, 0b11011, 0b00000};
  const unsigned char _L[] = {0b00000, 0b01111, 0b01111, 0b01111};
  const unsigned char _O[] = {0b10001, 0b01110, 0b01110, 0b10001};
allerdings hat mir das höchstens 1% gebracht