Subject: Re: installing 1.0
To: None <>
From: David Jones <>
List: amiga-dev
Date: 08/11/1994 20:43:34
>   black bar down the middle of the screen at times.  I thought this
> was already fixed.

No.  This is a simple problem: when you turn off sprite DMA, you must also
zero out the data register.  In the meantime:

#include <unistd.h>
#include <fcntl.h>

char zero[4] = { 0,0,0,0 };

int fd;

	fd = open("/dev/mem", O_RDWR);
	lseek(fd, 0xDFF144, 0);
	write(fd, zero, 4);

This must be compiled setuid root (or otherwise to have access to

This problem was present from day one, was fixed (by me) and then crept
in again when chopps cut over to views.

David Jones, M.A.Sc student, Electronics Group (VLSI), University of Toronto
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