[A89] Re: sound

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[A89] Re: sound


| I read in J89hw.txt that the address for direct link port
| access on the 89 is $60000E.  Is there some way I can use
| this address in TIGCC to generate sound?  I've tried making
| a void *ptr=0x60000E and setting bits of *ptr, but I have'nt
| been able to get any sound to come out yet.  I'm not quite
| sure as to what bits I need to set to turn on and off the D1
| and D0.

I'm not quite sure about your actual question, but you should take a look at
pokeIO_bit in the latest beta on http://tigcc.ticalc.org/. It really is
necessary so the compiler doesn't move the operation out of a loop.

Sebastian Reichelt
References: