Am Sonntag, den 02.09.2007, 16:56 +0200 schrieb Sebastian Günther: > Marc Santhoff schrieb: > > > > Ahem, maybe you know how to control the volume, too? > > Naturally, this is not possible: The PC speaker is simply controlled by > a timer, which creates a square wave (on/off). In ancient DOS times > there was a trick by doing a frequency modulation, i.e. you turn the > timer on and off quite fast. But on Linux etc. the drivers don't support > such cheats.
I understand. And since the control-sequences-solution is linux console only I have to understand that there is no platform independent way of making distingishable beeps since the ancient times when the CPU was a 8086 at 4 or 6 MHz or so, too. <mumbling curses censored/> Thanks for explaning, Marc _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal