Applewin Emulator Version Experimental Released

Tom Charlesworth, the curator and programmer of  the Applewin Apple IIe emulator, has released a new experimental version of the application.   Applewin has a number of changes and fixes included in it including:


  • [Bug #504] Full-screen: hide mouse pointer after 2 seconds of inactivity (and show again if mouse is moved)
  • [Bug #469] New -no-printscreen-key switch to prevent the PrintScreen key from being registered.
  • [Bug #488] New -fs-height=<best|nnnn> switch to select a better resolution for full-screen mode.
    • best: picks the highest resolution where the height is an integer multiple of (192*2)
    • nnnn: select a specific resolution with height=nnnn pixels
      NB. This switch changes the display resolution (and restores it on exit).
  • [Bug #477] Help doc: Document behaviour of full-speed mode
  • [Bug #428] Input option to use PC Joystick 1 Thumbstick 2 for emulated Joystick 2
  • Swapping disks while a drive is on now warns and prompts if you still wish to do this instead of silently failing with no feedback.
  • [Bug #323] Skip hard disk boot by holding down the Open-Apple key during an Apple II restart
  • [Bug #224] Added Config checkbox for ‘Full-Screen: Show drive/keyboard status’
  • [PR #441] Update zlib to latest version 1.2.11
  • [PR #275] Attenuate speaker (and 8-bit DAC) output sample after 0.25s of inactivity
  • [Bug #483] Debugger: Shift+Left mouse button to toggle 6502 Status flag bits
  • [Bug #479, #476, #473] Debugger: Various UI and other fixes
  • [Bug #462] Debugger: Changed Left mouse button (LMB) to Shift+LMB to toggle display items
  • [Bug #406] Debugger: Support LC and MMU status & updated Help doc


  • [Bug #516] Internal video-mode was having PAGE2 permanently cleared (instead of just masked) when 80STORE was set.
  • [Bug #514] Emulator restart (or reset) wasn’t clearing any pending Mousecard interrupt
  • [Bug #499] Flush current track (if dirty) before ‘Send to CiderPress’
  • [Bug #496] Support polling of Mockingboard’s & Phasor’s 6522 IFR.Timer1
  • [Bug #492] UI fixes for full-screen & 2x windowed-mode
  • [Bug #486] Peripheral card’s expansion ROM ($C800-CFFF, eg. SSC) wasn’t being correctly restored from a save-state
    • Resulting in regression: Mousecard crash to monitor (#495).
  • [Bug #484] Debugger: Some corrections to APPLE2E.SYM
  • [Bug #464] Fix for full-screen: bottom line missing when vertical resolution is 768
  • [Bug #460] Debugger: F2 whilst debugger active will immediately stop the drive spinning (allowing disk swap)
  • [Bug #456] Fix strange speaker clicks when changing configuration – DirectSound wasn’t being uninitialised on a restart
  • [Bug #452] Fix for unmounted HD now gives “NO DEVICE CONNECTED” (before gave “I/O ERROR”)
  • [Bug #450] Persist debugger state across an F2 (reset machine state)
  • [Bug #445] Debugger: BPM cmd: Support trigger on stack access for BRK,JSR,PLn,PHn,RTI,RTS
  • [Bug #437] AppleWin.chm blocked from opening – delete the AppleWin.chm:Zone.Identifier ADS
  • [Bug #423] Full support for INTC8ROM soft switch (fixes transient a2audit.dsk & Bejeweled failures)
  • [Bug #418] Fix for slot-3 ROM not returning floating bus when Uthernet card is enabled
  • [Bug #417] Typos in Uthernet documentation
  • [Bug #415] Fix for not being able to select Pravets 82
  • [Bug #413] Save-state: bug when saving >9 RAMWorks III 64K banks
  • [Bug #409] Fix for AppleWorks 5.1 flickering when booting (latent bug from 2006!)
  • [Bug #405] Screen flicker in full-speed mode
  • [Bug #403] PrintScreen from Color TV or B&W TV video modes is missing top line
  • [Bug #392] Fixes for a2audit.dsk
    • Resulting in regressions in LC support for Gemstone Warriors (#395), Quark Catalyst V3 and BeagleWrite (#400).
  • [Bug #389] Disk’s write-protect detection mis-reporting when motor off
  • [Bug #387] Support for 40-track .nib files
  • [Bug #386] SSC:
    • Experimental support for 6551’s DTR, DCD and DSR bits via -modem switch
      • ie. -modem is shorthand for passing -dtr -dcd -dsr
    • Experimental support for 6551’s control bit: DTR via -dtr switch
    • Experimental support for 6551’s status bits: DCD and DSR via -dcd and -dsr switches
  • [Bug #383] “Enhanced disk speed” is very slow when debugger is active
  • [Bug #320] Mockingboard/Phasor: support ‘inactive’ function like real hardware
  • [Bug #308] SSC ACIA Status register’s interrupt bit not set when IRQ enabled and using TCP Port 1977
  • [Bug #269] When stepping, ESC no longer exits back to debugger (use F7, Pause keys or Debugger button instead).
  • [Bug #250] Debugger: When MODE_STEPPING, fix issue with disk LEDs staying on
  • [Bug #217] Debugger G(o) command should use normal speed
  • Debugger: Added new gg command:
command run at normal speed run at full speed video quality sound quality
g yes only if disk active, etc precise precise
gg no always periodic muted
  • [Bug #213] Pause not setting volume to zero

You can download the latest version of Applewin from the releases website for the application at:

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About the Author

Bill Martens

A.P.P.L.E. Chairman of the Board and Club president -- Bill worked for the founder, Val J. Golding and A.P.P.L.E. from 1981 to 1982. In 1999, he began archiving the materials which were distributed and sold by A.P.P.L.E.. That project led to the group that remained of A.P.P.L.E. Bill was involved in the financial industry in Tokyo and has over 20 major office infrastructure projects to his name. In March 2001, he retired to write books and to spend more time pursuing personal interests. As the president of the users group, Bill is in charge of distribution of Call-A.P.P.L.E. magazine as well as the organization of this web site. Bill currently resides in Tokyo, Japan and Shelton, Wa splitting time between the places.