Re: A82: ld hl,$FC00+13+(16*7) ---??what??

To: assembly-82@lists.ticalc.org
Subject: Re: A82: ld hl,$FC00+13+(16*7) ---??what??
From: "Patrick Davidson" <eeulplek@hotmail.com>
Date: Mon, 13 Oct 1997 15:32:55 PDT
Reply-To: assembly-82@lists.ticalc.org

>What are the screen coordinates of |  ld hl,$FC00+13+(16*7)  |
>At least I think that is what it is used for. It is from an 86 
>assembly program, used for displaying a small pic.

Row 7, column 104

The TI-86 screen is a 16 bytes wide bitmap, so the Y coordinate
given by the upper 6 bits of the address (7 in this case), and
the X coordinate is 8 times the value of the lower 4 bits (13).

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