Mail Archives: djgpp/1999/01/10/03:16:22
From: | Alex Lowe <ayin AT 2xtreme DOT net>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Pointer to memory
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Date: | Sat, 09 Jan 1999 23:58:47 -0800
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Organization: | TempleCRC
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Lines: | 18
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Message-ID: | <36985DB7.C5C7D160@2xtreme.net>
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NNTP-Posting-Host: | p164.stk4.2xtreme.net
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Mime-Version: | 1.0
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X-Mailer: | Mozilla 4.5 [en] (Win98; U)
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X-Accept-Language: | en
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Reply-To: | djgpp AT delorie DOT com
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I am trying to port some code, for reading the fonts in ROM for DOS.
Anyway, what I need to do is to get the memory location of this... I
have 2 pointers... segment and offset...
And I want to have the pointers added, for example if the segement is
0xAA and the offset is 0x03 then I can make a pointer to 0xAD...
The code I am trying to port looks like this:
char *offset=regs.x.bp;
char *segment=regs.x.es;
char *font=*MK_FP(segment, offset);
That is the code... the last line is the one I am having trouble with...
Thanks for the info, I hoped I described this well enough.
-- Alex
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