Re: Can you find out if you are running on the emulator

[Keith Rollin]

At 3:35 PM +0100 1/6/04, Aaron Ardiri wrote:
 > Aaron -- your paper also has the routine
 Boolean onPOSE()
 {
 >    return HostGetHostID() == hostIDPalmOSEmulator;
 }

 Is this one less guaranteed?
you need POSE 3.0 or greater to use this; and, POSE 3.0 came
out *years* ago :) its even up around 3.5 i think from memory :P
checking the feature is easier :)
The main restriction on calling HostGetHostID() is that it will work 
only on Palm OS 3.0 or later when running on an actual device. 
Calling HostGetHostID() will work on Poser 2.0d5 (which was released 
on 1998-04-17) or later, regardless of the version of Palm OS running 
within it.

FWIW, here's my own version of OnPoser() -- I hope I got it right...

static Boolean OnPoser(void)
{
    UInt32 value;
    // On Palm OS 3.0 or later, HostGetHostID is guaranteed to be
    // implemented.
    if (sysGetROMVerMajor(PalmOSVersion()) >= 0x03)
    {
        return HostGetHostID() == hostIDPalmOSEmulator;
    }
    // On earlier systems, check for a System Feature that Poser
    // automatically installs during bootup.
    return FtrGet(kPalmOSEmulatorFeatureCreator,
        kPalmOSEmulatorFeatureNumber, &value) == errNone;
}
-- Keith

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