![]() ![]() ![]() You changed the note of the beep (the tone or pitch) by changing the frequency of the pulses, which simply meant how fast or slow you hit that hardware register.īut was it also possible to control the volume on these primitive systems? Programmers made sound by hitting a hardware register that pulsed the beeper on and off. ![]() On early versions of many 8-bit computers like the Apple II, Spectrum, and even the IBM PC, there was no sound hardware other than the simple "beeper". ![]()
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