Re: A86: Graphic memory questions
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Re: A86: Graphic memory questions
Garcia wrote:
>
> So after the execution of my ASM program when it returns to the homescreen,
> it retrieves the text from before the program execution from the TEXT_MEM?
>
> Second question - what is the difference of _clrScrn and _clrLCD?
>
> > VIDEO_MEM equ $FC00
> > ;This holds the contents of the LCD (i.e. 1 byte=8 pixels)
> >
> > GRAPH_MEM equ $C9FA
> > ;Not sure of this one, but someone said that this was it earlier on the
> > list...
> >
> > TEXT_MEM equ $C0F9
> > ;This one usually holds the contents of the 21(?)x8 text screen, or
> whatever
> > is
> > ;printed there using _puts, etc., unless a certain flag is turned off (It
> > says that flag
> > ;name ALL over the place in the ti83 display docs) If you turn off that
> > flag, you can
> > ;use this as 21*8 (?) bytes of memory for data...
> >
> > ;TEXT_MEM2 - Not sure about this one - I think the 86 only has one text
> > mem, but ;not sure...
> >
> > ~Steve
i think clrscrn stores the screen's contents while clrlcd clears it and
clears the screen buffer
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