Re: A83: inc (HL) on the TI83

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Re: A83: inc (HL) on the TI83

To: <assembly-83@lists.ticalc.org>
Subject: Re: A83: inc (HL) on the TI83
From: "David Phillips" <david@acz.org>
Date: Tue, 8 Aug 2000 23:39:53 -0600
References: <Pine.SOL.4.21.0008090108460.2723-100000@acmex.gatech.edu>
Reply-To: assembly-83@lists.ticalc.org


Nah.  You want to load the address into HL.  You save some space:

; 11 bytes
down:
 ld a,(yPos)
 cp 56
 ret z
 inc a
 ld (yPos),a
 ret

; 9 bytes
down:
 ld hl,yPos
 ld a,(hl)
 cp 56
 ret z
 inc (hl)
 ret

> of course the larger one that uses the accumulator (reg A) is preferred.

References:

Re: A83: inc (HL) on the TI83

From: Richard Harper Maddox <gte172i@prism.gatech.edu>