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retroKOffline
Post subject: Spectrum: gospeccy 0.7.0  PostPosted: May 23, 2011 - 04:14 PM
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Joined: Jul 04, 2004
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gospeccy ist ein Open Source ZX Spectrum 48k Emulator, der in der Sprache Go programmiert ist.



gospeccy is an open source ZX Spectrum 48k emulator written in Go.

Quote:
0.7.0 / 2011-05-21
==================
  • Use GOAM [http://github.com/0xe2-0x9a-0x9b/goam] to build and install GoSpeccy
  • Use Clingon [http://github.com/remogatto/clingon] as the command-line GUI, instead of a C readline wrapper. The readline support is gone.
  • Use [http://github.com/remogatto/prettytest], instead of an internal copy of the PrettyTest package
  • Improved audio resampling method which usually produces less noise
  • Added command-line options: "-hostcpu-profile", "-show-paint", "-audio", "-audio-freq", "-audio-hq"
  • New script functions: cmdLineArg() string, fullscreen(bool), showPaint(bool), audioFreq(uint), audioHQ(bool)
  • Renamed script functions: sound(bool) --> audio(bool)
  • Performance optimizations: store events events in an array (instead of storing them in a linked-list), do not try to use uninitialized Go variables, lower number of conversions between numeric types with different bit-lengths, do not allocate memory when computing the address of a pixel in a SDL surface, do not allocate memory when executing certain instructions (INC, DEC, POP, RET, and others), use Go arrays instead of ´container/vector/Vector´, read the ROM file only once instead of reading it on each reset, faster typing of [LOAD ""] when loading from tape
  • Better display refresh stability thanks to reduced memory allocation. That is: less reasons for the Go runtime to stop the program to perform memory garbage-collection.
  • Make the Z80 CPU conformance test complete much faster
  • Add initial support for Kempston joystick
  • Automatically detect when to pause/unpause the tape. This enables loading of multi-part TAP files, and of programs that expect the audio data to contain periods of silence.
  • Play 8063 pulses on all TAP headers
  • Limit the maximum speedup of accelerated loading to 20 - aep
  • Enable loading of the "VeraMono.ttf" font from "$HOME/.gospeccy" or from the installation directory
  • Do not initialize SDL if GoSpeccy is unable to detect the type of the program on the command-line
  • Changing the FPS should now result in fever sound buffer underflows
  • Do not set GOMAXPROCS if there is an environment variable named ´GOMAXPROCS´
  • Disable writes to ZX Spectrum ROM (to the first 0x4000 bytes of memory). As a side-effect it enables "RANDOMIZE USR 0" to work correctly.
  • Change the script help text so that it fits the width of the console when the scale is set to 2
  • Add Go-SDL TTF version check. Print video surface resolution if in verbose mode
  • Update to a newer version of Go-PerfEvents that allows GoSpeccy to potentially compile&run in a wider range of software environments
  • Fix a couple of real&potential bugs, deadlocks and race conditions
  • Minor updates to the README.md file


Related links:
[ Spectrum Emus ]

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