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Q How do I determine if my 68K program is running on a PPC? A The best way to do this is to use the Gestalt Selectors as described in the Universal Interface file Gestalt.h: enum {
gestaltSysArchitecture = 'sysa', /* Native System Architecture */
gestalt68k = 1, /* Motorola MC68k architecture */
gestaltPowerPC = 2 /* IBM PowerPC architecture */
};
A snippet of code that uses this could look something like this in your 68K program: #include <gestalt.h>#include <stdio.h>#include <Types.h>
long myattr;
OSErr err;
err = Gestalt( gestaltSysArchitecture, &myattr;);
if (err == noErr) {
if (myattr == gestaltPowerPC) {
InstallExtraPPCComp();
}
} else {
// handle error condition
}
Updated: 27-September-96 |
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