A83: Re: Re: Can't get this routine to work

A83: Re: Re: Can't get this routine to work

• To: <assembly-83@lists.ticalc.org>
• Subject: A83: Re: Re: Can't get this routine to work
• From: "David Phillips" <david@acz.org>
• Date: Thu, 8 Jun 2000 18:49:07 -0600
• References: <002001bfd1ab$61d009e0$2f0a403f@rushing>
• Reply-To: assembly-83@lists.ticalc.org

LDI sets the parity odd flag (PO) when BC is 0:

 ldi
 jp po,bc_is_zero

> ld a,b
> or c
> jr nz,SwapApd2
> 
> Because ldi does this, in ASM-speak (cause some of these aren't real
> commands)
> 
> ld (de),(hl)
> inc hl
> inc de
> dec bc
> 
> So bc is already decremented for you.


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• Re: A83: Re: Re: Can't get this routine to work
• From: Scott Dial <wrath@calc.org>

• A83: Re: Can't get this routine to work
• From: "Stephen Compall" <rushing@sigecom.net>

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