Re: A85: BCD


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Re: A85: BCD




On Thu, 21 May 1998, Michael Pearce wrote:
> On Thu, 21 May 1998 09:06:57 -0700 (PDT), you wrote:
> >
> >Now that I'm on vacation I can finish the BCD routines I started about a
> >year ago; am I the world's laziest programmer or what?
> >
> >After that's done I'll feature the routines in my first game... I promise.
> >
> i think i have you beat on laziness... i've been working on Solomon's
> Key for over 2 years.  as for BCD, why don't you just use normal
> binary arithmetic with the "UNPACK_HL" instruction in the ROM to
> display the characters?  is there some specific reason to use BCD?
> 
Yeah, I want to use numbers greater than 16 bit.  My BCD can operate on
numbers with up to 256 places.  I won't be using any that big but most
will be greater than 5 places.

> -mike pearce
> 

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