Développé par Mike Wynne, il s’agit d’un émulateur Sinclair ZX81, Sinclair ZX80, Sinclair ZX Spectrum 16k/48k, Sinclair ZX Spectrum 128k, Amstrad/Sinclair Spectrum +2, Amstrad/Sinclair Spectrum +2a, Amstrad/Sinclair Spectrum +3, Timex TS1000, Timex TS1500, Timex TS2068, Timex TC2048, Lambda 8300, Ringo R470, MicroDigital TK85 et Jupiter ACE.

 
* Bug fixes:
– The Flash Load mechanism would not load certain programs, e.g. Software Farm’s Bouncing Bert.
– The ZXpand “read only file” problem where the ROM shadow is disabled after loading.
– The vertical scrollbar shown in the History window was too far over and so was only partially
visible.
– Changed how the ZXpand ROM overlay works, which fixing a few problems with demos.
– Locks the positions of the “Previous/Next Change” buttons within the status bar of the
Memory window when resizing the window using the grip control.
– Now correctly displays the address in the Memory window when in ‘Word’ view mode.
– The tape block to wav file conversion did not always occur correctly.
– Changed the number of T-states assumed per frame for the ZX81 and ZX80.
– File default extension was sometimes .P instead of .O when saving in ZX80 mode.
– Greys out the I/O area and Display Generation T-States count within the Debug window while
free running.
– The ZX Interface 1 RS232 baud rate is now calculated based on machine clock rate rather than
hard-coded to 3.5MHz.
– Fixed the alignment of Spectrum characters shown in the Memory window when in ‘Traditional’
view mode.
 
* Enhancements:
– ZXpand banner text changed to « ZXPAND EO x.y » to avoid user confusion with the real hardware
version number.
– T81 format enhanced to tolerate new block types, specifically the block introduced by the
81-libretro emulator.
– Inclusion of edition 1 ZX81 ROM.
– Included support for the ZX81 edition 1 ROM floating point hardware fix.
– The disassembler now handles instructions above $8000 on a ZX80/81 where bit 6 of the opcode
is set.
– Improved the performance of the History capture feature under the Debug window.
– Increased history storage to 3000 instructions (was 2000).
– The History window is now refreshed when it gets resized by the user.
– Added Clear and Reload options to the History window.
– Memory edits are no longer allowed while the debugger is in free running mode.
– The Memory window now refreshes after an edit is made.
– The Memory window now displays offset numbers as column headings.
– The Memory window now displays the address in the status bar when hovering the mouse cursor
over the Sinclair characters when in ‘Traditional’ view mode.
– The Memory and Symbol buttons in the Debug window now toggle the visibility of their
respective windows.
– The scrolling mechanism of the Memory window has been enhanced to provide more logical
behaviour.
– The Tape Manager used to insert a description block with text “Created with EightyOneTZX”.
This has been changed to “Created using the EightyOne emulator”.
– Added a feature to the Debug window to allow the user to specify the number of T-states that
are expected to have elapsed between consecutive hits of a specified address, useful for
verifying timing of flicker-free ZX80 programs.
– Warn users when file/memory/snap load/save fails.
– Default position of all windows set to be within typical monitor bounds.
– Added ‘Gather Windows’ option to View menu to reposition all dialogs to ensure they appear
within the monitor bounds.
– Added ‘Enable Splash Screen’ option to the View menu.
– SoundOutput visible status now saved in configuration file.

 

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