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XELON

A Real Beginner Problem

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I wanna start to make an easy game as said in "for beginners" link.I will do it by using C on DOS Screen. but as I said I''m a beginner. I dont how to show my bmp file on the screen by using C. Is there any function or code to show bmp file. And I wanna learn how you move the object(or bmp file) on the screen.Do you erase all the screen and you redraw it again when the object move? or do you erase the object which will be move and redraw the object? or is there any other method? Thanks a lot for your help.

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Well - the answer is simple: You can''t do ANY graphics (except ascii-art) on the console (DOS screen).

Oxyd.

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In order to get started with graphics you will need to learn an API (application programming interface) such as DirectDraw, SDL or Allegro.

DirectDraw is very suited to those just started out programming as it requires some knowledge of the Win32 AI which you don''t necesarily want to be dealing with when you want to get started programming graphics.

I would recommend either SDL or Allegro as these are very easy to get started with and allow you to get right stuck with graphics with the minimum of fuss.

There is another library you might want to check out which is GLUT which provides an easy way to get started with OpenGL, I''ve never used it so I can''t comment on it but here are the links for the above libraries:

SDL
Allegro
GLUT
DirectDraw

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quote:
Original post by Oxyd
Well - the answer is simple: You can''t do ANY graphics (except ascii-art) on the console (DOS screen).

Oxyd.


How did programmers make games before windows?

Spudder : Do I have to use an API? And SDL or others work on DOS or WINDOWS?

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If you mean, how did they get the graphics onto the DOS screen in REAL ms-dos, then they directly accessed the video memory. However, windows does not allow you to directly access the video memory, so you must use some of theese api''s.

To answer the other question (well - it''s not addressed to me, but well... ): Except DirectDraw, I think, that all of them works under windows and linux (and maybe others), but not under the old and ancient dos. (Read this and this. They do not contain any useful informations, however it''s quite funny and about the anciency of the DOS ).

Oxyd

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- Unreadable code is code written on a piece of paper, but not the one, in which the programmer is using a space in the place you don''t.

- Real programmers aren''t afraid of goto

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If you can''t have graphic in dos when you have a new OS like windows xp, how come i can play old DOS games?

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I believe theres some dos emulation going on or something, when you program for "dos" its really called the console.... which isnt all that dos is\was if im not mistaken... this is mostly speculation... but yeah...
-Dan

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>>Well - the answer is simple: You can''t do ANY graphics
>>(except ascii-art) on the console (DOS screen).
well - effectively - this is wrong, sorry; there are enough opportunities, to get direct framebuffer DOS-mode-13h-style-like, even in your windows console; but...yes, you have to use additional tools/libs.


DJSnow
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this post is manually created and therefore legally valid without a signature

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The console is not DOS. It is just a funny screen in windows that looks like the command prompt ( not real DOS either )

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i think this guy is just confused...

if your programming basic "hello world" stuff in c++, this is NOT DOS. this is the windows console, big difference. DOS is an operating system.

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