WinUAE 2.7.1 (Beta 11) - Toni Wilen releases a big update for this Amiga emulator!

Emulated Consoles/Systems : Amiga, Amiga CD32
Release News : Toni Wilen has just released the latest WinUAE beta build of 11, which is an Amiga emulator for your PC that enables you to play Amiga games. In this update there are a decent number of fixes and FPU improvements, just too many to list in this one paragraph. As I said before, always make a separate WinUAE.ini file for multiple installs. If Beta updates are not your thing then stick with the final 2.7.0. You may also be interested to note that another great Amiga Emulator using a brilliant GUI (FS-UAE) was also updated to a new final build, so check that out as well here. Read on for Beta 11 release notes!


Beta 11:

- Borderblank + bordersprite caused border glitches in some situations.
- CDTV front panel buttons' default state after reset should be enabled, not disabled.
- Added new double options to non-lace modes. Not really useful, maybe be moved somewhere else later..
- 68040 MOVE16 write access error stack frame is now correct.
- Editing non-existing new style real harddrive config entry opened hardfile properties dialog.
- Separate filter options for native and RTG modes. Currently only following settings are RTG compatible: Direct3D shader filters (no software filter support and never will be), masks, overlays, scanlines.
- New automatic resolution option was unreliable in some situations.
- Do not detect modes with VTOTAL=350 or less as scandoubled to fix Super72 halved height.
- tablet.library emulation, totally untested, do not enable.
- After long field to short field change last line still showed old background color(s) if line had any background color changes before field mode was changed.
- Master floppy write protection config option was not loaded from config. (wrong config entry name..)
- Disk emulation multirevolution support was unstable, disk revolution data stream change was not always bit perfect.
- Added Super Card Pro (scp) image file support. (Don't ask me if images don't work, I didn't implement it originally)
- Added support for raw dumps from Softpres Capture Tool and KryoFlux using new capslib v0.5.

Yes, above two changes in same beta is only a strange coincidence. Note that both are raw dumps which can't be confirmed easily, don't bother me if there are compatibility problems.

FPU improvements (Mostly low level stuff that only makes difference if unimplemented checkbox is not ticked, much more important for Previous emulator, NextStep OS requires FPU and uses it heavily):

- 6888x any FPU instruction (except FSAVE/FRESTORE) causes null state to idle state transition but 68040+ conditional FPU instructions won't affect null state.
- 68040 unimplemented FPU instruction emulation was broken, FSAVE exception frame was not emulated, 68040.library emulation code needs it for proper operation.
- 68040/060 FPU FMOVECR is now unimplemented instruction.
- 68040/060 unimplemented packed-decimal data type exception is now emulated.
- 68060 FMOVEM.X with dynamic list now causes unimplemented effective address exception.
- 68060 F<op>.X #imm,FPn and F<op>.P #imm,FPn now causes unimplemented effective address exception.
- 68060 FMOVEM.L #imm,<more than 1 control register> now causes unimplemented effective address exception.
- FMOVEM.X with dynamic list and -(An) and (An)+ effective address overrides static/dynamic post/pred state. (for example FMOVEM.X Dn,-(An) uses pre-decrement even if mode bits are set to dynamic post-increment)
- All FPU FPSR register (overflow, div by zero etc..) status bits emulated. (May not be fully reliable)
- 6888x Packed-Decimal Real k-factor support fully implemented. (May still have rounding bugs)

This should complete emulation all FPU features except arithmetic exceptions (that no one seems to use)

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