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MuFastZero will remap the zero page of the RAM, which usually contains
the autovectors for interrupts, from ChipMem to FastMem. It will *NOT* change
the
vector base register because this might result in certain incompatibilities.
It moreover replaces FastExec, which is really a bad hack, by providing a
method to relocate a chip memory based exec and expansion library to fastest
memory and hence speed up the system even more. For that, the "preparation"
tool "MuMove4K" must be run, which is contained in this archive. "MuMove4K"
replaces also the ShapeShifter "PrepareEmul" tool by something smarter.
Last but not least, MuFastZero can be told to remap the supervisor stack
to Fast memory as well.
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Changes in release 40.21.1:
MuFastZero remained unchanged, but MuMove4K was bumped to release 47.1.
This release of MuMove4K includes the following changes:
If all system resources are out of the low chip memory area, MuMove4K performs
now only minimal action to preapre the system for emulation, or exits
immediately. This may prevent a reboot on Os 3.1.4 or above as exec reserves
there sufficient memory anyhow. The 47.1 also fixes one defect when scanning
the devices system list.
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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/MuFastZero and MuTools/MuMove4K to C:
- If you want the FastExec feature, run "MuMove4K" in front
of "SetPatch". Add the "PREPAREEMUL" option if you want to
make use of the ShapeShifter. Add "NOREBOOT" if SetPatch V44
reboots the system on startup anyhow.
- Run MuFastZero in C: with the desired options.
- Read the MMU.Guide and MuFastZero.guide/MuMove4K.guide as soon
as you've some time.
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The THOR-Software Licence (v3, January 2nd 2021)
This License applies to the computer programs known as the "mmu.library",
"MuMove4K" and "MuFastZero". 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 2023)
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