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New in release 47.1
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- This release of MuEVD adds support for a class of P96 video
drivers that use the mmu.library to provide a linear frame-
buffer to chipsets that only offer segmented memory access.
That is, MuEVD 47.1 and above are able to support frame
buffers that consist of indirect descriptors updated dynamically
by their video drivers.
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MuEVD is an external video driver for the ShapeShifter that makes use of the
mmu.library to speed up display generation. It supports all MMU types,
starting at the 68020/68851 up to the 68060, and all graphic boards, including
1,2, and 4 bit modes for ECS, and 8 bit and 15 bit "HAM8" emulation for AGA.
It supports all graphic modes from chunky to truecolor for P96 and CGfx, and
it supports an MMU controlled "waterproof" direct access mode for P96 and
Mac native pixel formats.
MuEVD replaces various other video drivers using MMU "hacks" to provide the
same features, all in one.
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This tool is part of the MMULib distribution. To find out more about the
mmu.library and its goals, download util/libs/MMULib.lha.
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Quick installation notes:
- Copy LIBS/mmu.library to LIBS:
- Copy "MuTools/MuEVD" to the "ShapeShifter/Video Drivers"
directory.
- Disable the "REMAP8K" tooltype of ShapeShifter.
- Make sure the "ROM write protection" of ShapeShifter is
turned off.
- Make sure you don't run the ppc.library, or MMU hacks.
- Don't use the "Largest Free Block" memory setting for the
ShapeShifter or no memory will be left for MuEVD.
- Study the "MuEVD.guide" to find out how it works.
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The THOR-Software Licence (v3, January 2nd 2021)
This License applies to the computer programs known as the "mmu.library"
and "MuEVD". The "Program", below, refers to such program. The "Archive"
refers to the package of distribution, as prepared by the author of the
Program, Thomas Richter. Each licensee is addressed as "you".
The Program and the data in the archive are freely distributable
under the restrictions stated below, but are also Copyright (c)
Thomas Richter.
Distribution of the Program, the Archive and the data in the Archive by a
commercial organization without written permission from the author to any
third party is prohibited if any payment is made in connection with such
distribution, whether directly (as in payment for a copy of the Program) or
indirectly (as in payment for some service related to the Program, or
payment for some product or service that includes a copy of the Program
"without charge"; these are only examples, and not an exhaustive
enumeration of prohibited activities).
However, the following methods of distribution involving payment shall not
in and of themselves be a violation of this restriction:
(i) Distributing the Program on a physical data carrier (e.g. CD-ROM,
DVD, USB-Stick, Disk...) provided that:
a) the Archive is reproduced entirely and verbatim on such data carrier,
including especially this licence agreement;
b) the data carrier is made available to the public for a nominal
fee only, i.e. for a fee that covers the costs of the data carrier,
and shipment of the data carrier;
c) a data carrier with the Program installed is made available to the
author for free except for shipment costs, and
d) provided further that all information on said data carrier is
redistributable for non-commercial purposes without charge.
Redistribution of a modified version of the Archive, the Program or the
contents of the Archive is prohibited in any way, by any organization,
regardless whether commercial or non-commercial. Everything must be kept
together, in original and unmodified form.
Limitations.
THE PROGRAM IS PROVIDED TO YOU "AS IS", WITHOUT WARRANTY. THERE IS NO
WARRANTY FOR THE PROGRAM, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. THE ENTIRE
RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD
THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY
SERVICING, REPAIR OR CORRECTION.
IF YOU DO NOT ACCEPT THIS LICENCE, YOU MUST DELETE THE PROGRAM, THE ARCHIVE
AND ALL DATA OF THIS ARCHIVE FROM YOUR STORAGE SYSTEM. YOU ACCEPT THIS
LICENCE BY USING OR REDISTRIBUTING THE PROGRAM.
Thomas Richter
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So long,
Thomas (March 2022)
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