Xref: news2.mv.net comp.os.msdos.djgpp:2653
From: avly AT castle DOT net (An)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: _my_ds  Help!
Date: Fri, 12 Apr 1996 18:13:38 GMT
Organization: The Castle Network, Internet Accounts 908 548-8881.
Lines: 55
Message-ID: <4km6l9$m0m@arther.castle.net>
References: <4khmhj$3bl AT mozo DOT cc DOT purdue DOT edu>
Reply-To: avly AT castle DOT net
NNTP-Posting-Host: bridge62.castle.net
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Try _my_ds().
It is a function call. 

-An


jason AT PROBLEM_WITH_INEWS_DOMAIN_FILE (Jason Singer) wrote:

>For the function of 'movedata', it gives the example of:

>     short blank_row_buf[ScreenCols()];
>     /* scroll screen */
>     movedata(_dos_ds, 0xb8000 + ScreenCols()*2,
>              _dos_ds, 0xb8000,
>              ScreenCols() * (ScreenRows()-1) * 2);
>     /* fill last row */
>     movedata(_my_ds, (int)blank_row_buf,
>              _dos_ds, 0xb8000 + ScreenCols()*(ScreenRows()-1)*2,
>               ScreenCols() * 2);

>It gives a warning on '_my_ds'.
>What is the problem?  

>What I really want to do is copy a 64000 byte buffer
>to the screen (0xA000 or 0xA0000 in protected mode).

>So, can't I just do:

>main()
>{
>   unsigned char *buffer;

>   buffer = (unsigned char *) malloc (64000);
>   /* Sets the whole screen to purple */
>   memset(buffer, 5, 64000);

>   /* This is my own function that sets the video mode to 13h */
>   set_mode(0x13);

>   movedata(_my_ds, (unsigned char *) buffer, _dos_ds, 0xA0000, 64000);

>   getch();

>   set_mode(0x03);

>   free(buffer);
>}

>So, please tell me all the errors that I have made and
>what all includes do I need?  Thanks!

>Jason
>