Tone Generator for educational purposes

Frequencies 0-14000 Hz through PC-speaker

Requirements:
	DOS
	PC-speaker
	Mouse (optional)

OPERATION:

Mouse click:
 -/+ 1Hz         < / >
 -/+ 10Hz       << / >>
 -/+ 100Hz     <<< / >>>
 -/+ 1000Hz   <<<< / >>>>

Keyboard press:
 -/+ 1Hz     left arrow / right arrow
 -/+ 10Hz    down arrow / up arrow
 -/+ 100Hz   ctrl + left arrow / ctrl + right arrow 
 -/+ 1000Hz  ctrl + down arrow / ctrl + up arrow

Exit program: press "Esc"