[A83] Re: Checking how long a key is pressed


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[A83] Re: Checking how long a key is pressed




That would time how long it takes before a user presses a key.


> Really, I don't see why this is so hard:
> 
>  ld hl,0
> loop:
>  inc hl
>  call _getky
>  or a
>  jr z,loop

> > Alright, I am writing a program that increases a number, based on how
> > long a key is pressed.  I have a loop that starts with increasing the
> > number,(as long as its below a certain value) then checking if the key
> > is pressed. If the key is pressed, then it jumps back to the loop, if
> > it is not pressed, (using nz) then it jumps to the label that analyzes
> > the increased number. This is not working for me! How do I check how
> > long a key is pressed, or if it is not pressed at all?





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