Bryce Denney wrote:
>
> There is a macro in rombios.c called HALT which is supposed to write a
> pointer to a message out to a magical panic port 0x400. However, because
> of the way the macro is written it is not working as intended. Here is
> the macro definition:
>
> #define PANIC_PORT 0x400
> #define HALT(line) mov dx,PANIC_PORT; mov ax,line; out dx,ax; hlt
>
> This looks great to a C programmer because we assume that ";" is a command
> separator. However to as86, the first semicolon means that every else on
> the line is a comment. So you end up with only the mov dx,0x400!
Use the !!! operator. There's some other macros in rombios.c that
use this for reference. The tools86 program deals with this.
-Kevin
--
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Kevin Lawton [EMAIL PROTECTED]
MandrakeSoft, Inc. Plex86 developer
http://www.linux-mandrake.com/ http://www.plex86.org/
