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From:	eplmst AT lu DOT erisoft DOT se (Martin Stromberg)
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Allegro Timers
Date:	15 Feb 2002 08:16:28 GMT
Organization:	Ericsson Erisoft AB, Sweden
Lines:	49
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To:	djgpp AT delorie DOT com
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Brent Ritchie (Juicer_X AT hotmail DOT com) wrote:
: Hello,

:     Sorry for all the posts, but this one is a real nuisance. I can't get my
: FPS function to work right. I installed the timer function but keep getting
: error messages. Here's my code, please tell me what is the matter.

: //code starts
: volatile int last_fps;
: volatile int frame_counter;

: void fps(...)
: {
:  last_fps = frame_counter;
:  frame_counter = 0;
: }
: END_OF_FUNCTION (fps);

: void init()
: {
:  allegro_init();
:  install_keyboard();
:  set_gfx_mode(GFX_AUTODETECT,800,600,0,0);
:  install_timer();
:  buffer = create_bitmap(800, 600);
:  clear_bitmap(buffer); // zero the memory bitmap
:  vsync();
:  datafile = load_datafile("head.dat");
:  a = (BITMAP*)datafile[0].dat;
:  b = (BITMAP*)datafile[1].dat;
:  LOCK_FUNCTION (fps);
:  LOCK_VARIABLE (last_fps);
:  LOCK_VARIABLE (frame_counter);
:  install_int (fps,1000);
: }

: Error messages I get:
: test.h:29: cannot convert `void (*)(...)' to `void*' for argument `1' to
: `int_go32_dpmi_lock_code(void*, long unsigned int)'
: test.h:32: cannot convert `void (*)(...)' to `void (*)()' for argument `1'
: to `int install_int(void (*)(), long int)'

Try using C instead of C++. Allegro is C, not C++, unless it has
changed.


Right,

						MartinS

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