Short: MuLib ZeroP. remapper, replaces FastExe Author: thomas.richter@alumni.tu-berlin.de (Thomas Richter) Uploader: thomas richter alumni tu-berlin de (Thomas Richter) Type: util/boot Version: 40.21.1 Requires: a 68020/68851, 68030, 68040 or 68060 with a working MMU Architecture: m68k-amigaos >= 2.0.4 ----------------------------------------------------------------------------- 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. ----------------------------------------------------------------------------- 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. ----------------------------------------------------------------------------- This tool is part of the MMULib distribution. To find out more about the mmu.library and its goals, download util/libs/MMULib.lha. ------------------------------------------------------------------------------ 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. ------------------------------------------------------------------------------ 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). 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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 ----------------------------------------------------------------------------- So long, Thomas (March 2023)