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Mail Archives: djgpp/2008/06/04/08:30:10

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From: Honiewelle <honiewelle AT gmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Flat memory access
Date: Wed, 4 Jun 2008 05:24:12 -0700 (PDT)
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

oops sorry, I forgot to include the line for declaring variable value,
here's the corrected code:

/* code starts here */

#include <stdio.h>
#include <pc.h>
#include <dpmi.h>
#include <sys/farptr.h>
#include <go32.h>

int main (void)
{

    FILE *fp;
    __dpmi_meminfo mi;
    int selector;
    int ctr;
    int value;

    mi.address = (0xEC080000); // PCI Base Address register
    mi.size    = 1024;

    __dpmi_physical_address_mapping (&mi);
    selector = __dpmi_allocate_ldt_descriptors (1);
    __dpmi_set_segment_base_address (selector, mi.address);
    __dpmi_set_segment_limit (selector, mi.size - 1);

    fp=fopen("bar5.txt","wb");

    for (ctr=1;ctr<=1024;ctr++)
    {
        value = _farpeekb(_dos_ds, ctr-1);
        putc(value,fp);
    }

    fclose(fp);

    return 0;

}

/* code ends here */

- Raw text -


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