| From: | Curt Esser |
| Date: | 7 Sep 99 at 02:58:56 |
| Subject: | Re: BLITZ mode? |
Hi Sandy
On 06-Sep-99, Sandy Brownlee wrote:
> Hello,
>
> As I set about trying to actually write my new Railroad Tycoon type game,
> I am left to wonder if I should use blitzmode or not. I know, I know, for
> games, there is no need for multitasking etc.,
Why not? Why can't I play a game while my printer is printing out some
stuff?
> and the speed increase is
> useful,
I don't think Blitz mode is really any faster - just set your program to a
high priority...
It may have been faster in the days of 68000's with no fast ram - but that
was a long time ago.
> but there is future compatibility to think of- the more I use OS
> screens instead of slices etc, the more likely the game will work on
> future OSs, and even MCC. What is everyone's opinion on the usage of
> BLITZ? Is it still wise to use it, or would I be better to use amigamode
> all the time?
Well, if you use Blitz mode, your game will be immediately unusable on many
current systems (with GFX cards or many modern monitors), and probably on
all future systems.
If you are not using sprites, dual-playfield, or "copper rainbows", there
isn't much point in using Blitz mode that I can see.
The last attempt at a game I did used an OS window, but it
> was well slow.
Don't try to run it in a window on a standard system. Just cover your
screen with an "invisible" backdrop window for getting mouse positions and
input, and use "ShowBitmap" for the double-buffered display.
For GFX card output, send the display direct to the window (it will be
plenty fast enough with a GFX card)
Later...
Yours electronically,
Curt Esser
camge@ix.netcom.com
http://members.xoom.com/Curt_Esser/
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