May 262017
 

Kevin Thacker released a new work in progress version of his Amstrad CPC emulator called Arnold. For this release he did a huge amount of testing, especially for the FDC routines, and wrote a lot of tests to ensure that the emulator behaves just like the real machine.

You can get a precompiled version here: http://www.cpctech.org.uk/setup.zip

And for the Linux and Mac users (and Windows users :-)) – you can get the source code here: http://www.cpctech.org.uk/arnoldsrc.zip

Here is the changelog for this version (be prepared… it is huuuuuuge):

Continue reading »

Mar 272017
 

OffseT released a new version of his emulator for the MorphOS operating system. It emulates the Amstrad CPC old generation and the Amstrad Plus, too. The emulator was written from scratch, so it isn’t just a port of an existing open source Amstrad CPC emulator. Due to its very precise audio and video renderings, ACE should be your first choice to watch demos – if you have a MorphOS system around.
If you are a MorphOS user and want to use your Amstrad CPC software under MorphOS, don’t hesitate and download it from the ACE homepage.

Changes:

  • Reworked layout of several windows.
  • Updated german catalog (Stefan ‘polluks’ Haubenthal).
  • Added new icons for GUI, drawers, plugins and filetypes (Mathieu ‘Hwikaa’ Delaruelle).
  • Re-optimized emulation speed that had deteriorated in version 1.13 (ACE is now 5% faster).
  • Greatly improved CRTC 0 emulation.
  • Fixed some minor issues in emulation of CRTC 1, 3 and 4.
  • Improved internals to ease portability on AmigaOS and AROS.
  • Added support for breakpoints on Maxam and WinAPE BRK opcodes.
  • Improved some AREXX commands.
  • Updated the cross-development examples to use vasmz80_oldstyle assembler instead of pasmo.
Jan 032017
 

A new version of Sugarbox, a Amstrad CPC emulator for Windows, was released. The main features of the new version are emulation optimizations, command line switches, sound emulation improvements and various other improvements.
Be sure to test the new version of the emulator and download the latest version from http://sugarbox.free.fr.

Changelog:

  • [Emulation]: Add some optimizations. MAX speed should be faster (about 100% gain from v0.26).
  • [Emulation]: Remove memory leaks in IPF writing process.
  • [Config files]: Fix the ‘-’ and ‘_’ for french keyboard: « From scratch » now autorun properly.
  • [Display]: Screenshots are fixed: No more unwanted black line at the top.
  • [Dump support]: Fix the code used to compute multi revolution dump, to be more reliable (when a revolution is wrecked, dont use it).
  • [FDC]: Lots of fix in the FDC: The ‘acid tests’ of arnoldEmu are almost all corrects now.
  • [FDC]: Fix some bugs when reconstructing the tracks (fix some dump of « Le Necreomancien », and various CTRaw files also).
  • [FDC]: The ‘Flip’ fonction (used to flip double sided dumps) is now working correctly. Double faces IPF are now working.
  • [FDC]: ’10′ bits used for bit synchronisation can be in a smaller number: 40 bits are enough to consider the PLL as correctly fixed between clock/data bits.
  • [General]: Fix a deadlock that occurs when a command is used during a dump disk is read.
  • [General]: Fix the autotype feature : the feature is more relevant. Also, the « | » character is correctly rtanslated to ‘ù’ on french keyboard.
  • [General]: Add a function to recording every frame into a screenshot.
  • [General]: Autorun feature is a bit more reliable (more rules added).
  • [General]: Added some command line switches: -sn xx (load xx as a Snapshot file), -drivea xx to set xx into drive A, -driveb (same for drive B), fullscreen to start in full screen mode, -config xx to load xx as config file, -command xx to run xx as basic command at start.
  • [GUI]: Fix the incorrect update of « Save as.. » menu when inserting a disk.
  • [Multiface II]: Add preliminary support for Multiface II (no config yet).
  • [PPI]: Rewrite most of the 8255 implementation. Now run the ‘acid test’ properly (when it have meanings).
  • [PSG]: Correct lots of bugs (sound is now a LOT better, and digitized sound works correctly). Fix Dick tracy, Antiriad, Crazy cars 2, and probably a lot more!
  • [PSG]: Also run the ‘acid test’ of PSG correctly.
  • [Z80]: Support for NMI added.
Aug 162016
 

OffseT released a new version of his emulator for the MorphOS operating system. It emulates the Amstrad CPC old generation and the Amstrad Plus, too. The emulator was written from scratch, so it isn’t just a port of an existing open source Amstrad CPC emulator. Due to its very precise audio and video renderings, ACE should be your first choice to watch demos.
If you are a MorphOS user and want to use your Amstrad CPC software under MorphOS, don’t hesitate and download it from the ACE homepage

Changes:

  • Migration from gcc 4 to gcc 5
  • Fixes in CRTCs emulation.
  • Added new APIs in the plugin interface.
  • Added new plugins for Kempston and AMX mice.
  • Added new plugin for joysticks (replaces internal emulation).
  • Fixed version string of the executable (it prevented Grunch from detecting ACE version).
  • Fixes in snapshots handling.
  • Fixes in tape to hard disc interface.
  • Automatic reconfiguration of the floppy disc drives depending on the inserted disc image.
  • Fixed a bug in ASIC SSCR mask.
Apr 062016
 

SugarboxA new version of Sugarbox, a relatively new Amstrad CPC emulator for Windows, was released. The main feature of the new version is the support for various CPC emulator disk image formats (e.g. HFE of the HxC floppy emulator or RAW from kyroflux), precise Z80 emulation (according to Kevin Thackers timing test bench) and some other features.
Be sure to test the new version of the emulator and download the latest version from http://sugarbox.free.fr.

Changelog:

  • [CT-RAW/IPF]: Native support of these two format. CAPSLib dll from SPS is no longer used. This will fix some non-working dump( due to bug in the lib).
  • [IPF]: Add a SAVE IPF option. You can save your current disk in IPF format, to generate a 3″ disk. You can even write dump with weak sectors.
  • [HFE]: Now it’s possible to save HFE file!
  • [edsk]: Added some tuning to handle sector of header size lower than real size.
  • [edsk]: Fixed some nasty memory overrun.
  • [edsk]: Fixed the way of handling overlapped disk: “Corsarios (UK) (1988) (CPM) [Original].dsk” disk now run correctly. In fact, all dsk should now retrieve their original size of 6k/track
  • [edsk]: Fixed support for ALLGAP dumps
  • [FDC]: New paradigm : Weak bits are now handled by bit. Multi-revolution dump are converted to single revolution with weak bits data.
  • [FDC]: Fix a bug with the SZ byte = 0 in read track command (this fixed “War In Middle Earth (UK) (1987) (CPM) [Original].dsk” dump)
  • [Tape]: Add a delay when motor is on/off. This fixed “Last Mission”
  • [Z80]: Interrupt mode 0 is partially fixed: It does nothing, but no longer corrupt the Z80 registers
  • [Z80]: Fix some wrong behaviour of undocumented opcodes
  • [Z80]: Add the undocumented ‘Q’ register used for Flags, and fix the SCF/CCF instructions regarding this register
  • [Z80]: All Z80 tests from Patrik Rak, adapted to the CPC by Kevin Thacker, are now correct.
  • [Display]: Fixed wrong behaviour for 100%speed with 100hz screen without black frame insertion: Speed was twice what was intendeed
  • [General]: Add Autorun disk on insertion which try to guess the best file to run.
  • [General]: Optimization: Everything is now running 60-80% faster than before
  • [General]: Add a support for auto-executing BIN file (with AMSDOS header), through drag’n’drop.
  • [General]: Fixed the Spanish configuration for 464, and added support for Danish keyboard.
  • [General]: Added -fullscreen command line to enable fullscreen by default
  • [General]: Fixed the “-command” option : In order to run a disc, just launch your command as Sugarbox -command run\”disc\” for example
  • [General]: Added sound for disk drive
  • [General]: Fix copy/paste for english/spanish/danish
  • [GUI]: Added a feedback when loading tape/disk/SNA/SNR
  • [GUI]: Added a preliminary debugger, with Register edition, breakpoints, flags
  • [Joystick support]: Fixed diagonals not supported with some joypads (now, games should be far more playable!)
  • [Memory]: Fixed the configuration : 64k computer no longer have improper PAL
  • [Settings]: Fixed some nasty bugs preventing the keyboard settings to work

 

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