>-----Original Message-----
>From: Alain M. [mailto:[EMAIL PROTECTED]
>Sent: Wednesday, September 13, 2006 03:17 PM
>To: [email protected]
>Subject: Re: [Freedos-devel] [anounce] defrag 1.2
>
>Hi,
>
It always amazes me how little sense I talk.
Defrag already can check for DOSemu, and a complete host of other operating
environments.
You just have to enable it with a "#define".
Here is the code I took from DOSemu 0.9.x
static int old_dosemu_compatibility(void)
{
static unsigned long far *given = (unsigned long far *)
DOSEMU_BIOS_DATE_LOCATION;
static unsigned long *expected = (unsigned long *)DOSEMU_BIOS_DATE;
return (given[0] == expected[0] && given[1] == expected[1]);
}
unsigned long is_dosemu(void)
{
static struct dosemu_detect far *given = (struct dosemu_detect far *)
DOSEMU_MAGIC_LOCATION;
if (memcmp(&given->u.magic,DOSEMU_MAGIC,8) == 0)
return given->version;
return old_dosemu_compatibility();
}
Imre
>This is an official test for DOSEMU version 1.3.x:
>
> // Test DOSEMU
> if (!memcmp((char *)0xFFFE0,"$DOSEMU$",8))
> isDosEmu=true;
>
>Some old version doesn't work but I am not sure of how old "old" is ;-)
>
>Alain
>
>Imre Leber escreveu:
>>
>> But then it doesn't work in DOSemu and some other environments that it
>> wouldn't hurt running under. Then it refuses to run when there is even some
>> DPMI host active.
>>
>> Imre
>
>
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