9fans archive / 2008 / 01 / 489 /    prev next

From: Pietro Gagliardi <pietro10@mac.com>
Subject: Re: [9fans] How to read/write pixels from Memimage
Date: Sun, 27 Jan 2008 18:44:29 -0500

Okay, I just found out that division by zero meant a black pixel  
would be placed, so I am going to add that and upload a new version.

On Jan 27, 2008, at 1:05 PM, Skip Tavakkolian wrote:

>> The code led me to confusion, so I just decided to use wordaddr. It
>> works properly now,  and my Pico is now up at /n/sources/contrib/
>> pietro/pico9.tgz (note the 9). Details are in README.Plan9, test
>> files are in /lib/face/.
>
> some book examples are failing:
>
> cpu% 8.out
> 1:	new[x,y] = x % y
> 8.out 181613: suicide: sys: trap: divide error pc=0x000023fd
>