OpenEuphoria

Re: SCREEN

• Posted by Ralf Nieuwenhuijsen <nieuwen at XS4ALL.NL> Aug 27, 1997
• 898 views

> 1x using peek in the video memory e.g.
> pos=(((row-1)*80)+col-1)*2
> s=peek({#B8000+pos,2})  Cfr Reference Manual
-
> 2x using dos_interrupt  rom bios service 08H
> See function screen from Jacques Deschenes (23 Aug 1997)

> 3x using save_text_image  (Cfr Reference Manual)
> screen_char=save_text_image({row,column},{row,column})
> Which one to prefer ? A matter of taste ?

        Certainly not!
        text_image is the most save method (i believe) and peek it from the
memory is the fastest method
        There is reason for using interrupts...
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~~~~>> Ralf Nieuwenhuijsen <<~~~~
 ~~~>> nieuwen at xs4all.nl <<~~~~