// This function describes a BCD to seven-segment encoder.
// This version produces a faster design than a function
// using a "switch" statement

unsigned 8 sevenseg(unsigned 4 bcd)
{
	static unsigned 8 encoder[] = {
		0b00111111,
		0b00000110,
		0b01011011,
		0b01001111,
		0b01100110,
		0b01101101,
		0b01111100,
		0b00000111,
		0b01111111,
		0b01100111,
		0b10001000,
		0b10001000,
		0b10001000,
		0b10001000,
		0b10001000,
		0b10001000
	};

	return encoder[bcd];
}