Re: A83: _formreal
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Re: A83: _formreal
This isn't required if you use dispop1a??
--- Ted21@aol.com wrote:
>
> In a message dated 2/22/00 1:32:56 PM US Mountain
> Standard Time,
> tankrshr77@yahoo.com writes:
>
> > does anyone know what rom call- _formreal does?
>
> formreal is a great routine if you are writing math
> programs, or even just
> need to display a floating point number. It is
> similar to the str$( )
> command in VB or QB. Formreal takes the value in
> Op1 (the maximum display
> length of the string is loaded into the accumulator)
> and converts it into a
> standard zero terminated string that starts at Op3.
> Here is a brief example.
>
> ;************************
> ; There should be a number in op1 to display.
> ; This will display a number in large font, at
> cursor location 0,0
> call _homeup ;Set the cursor to 0,0
> ld a,16 ;Display no more than 16
> characters
> call _formreal ;Convert Op1 into a string
> ld hl,op3 ;have hl point to the string
> call _puts ;Display the string at
> current cursor location
> ;************************
>
> I hope that helps,
> Ted
>
>
=====
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