DOSBox-X 0.82.22 2019-09-30 20:03

0.82.22

• Added Normal2x render scalers so that 'force scaler'
  for 1x2 or 2x1 scalefactors works and you can scale
  up 320x200/640x200 VGA modes and 640x200 CGA modes
  by 2x.
• Main window titlebar now reflects whether or
  not the debugger interface is active.
• Debugger interface now flushes terminal input
  upon entering the debugger, so that keyboard
  input prior to entering the debugger is ignored.
• Debugger mapper shortcut and menu item are now
  a toggle. Selecting once will enter the debugger
  and selecting again will resume emulation.
• cycles=max now displays cycle percentage correctly
  instead of showing e.g. 100 cyc/ms
• (Allofich) Note and ignore INT 33, AX=53C1 call
  for the Logitech CyberMan.
• Fixed odd code addition that disabled (through
  the configuration) XMS, EMS, and UMB when
  booting a guest OS. This fixes a problem where
  those services are not available when rebooting
  back into the DOSBox-X shell from a guest OS.
• CGA 640x200 and MCGA 640x480 modes fixed to
  have proper refresh rate when machine=mcga,
  instead of 140Hz.
• MCGA horizontal active display register
  encodes N - 1, not N, according to real
  hardware register dumps.
• INT 10h modes 2 and 3 updated set MCGA CRTC
  write protect bit, to match real PS/2 hardware
  behavior, and to unlock CRTC registers during
  mode set.
• PC-98 VSYNC interrupt now fires at vertical
  retrace start (as documented) instead of at
  active display end behavior borrowed from
  DOSBox VGA emulation. This fixes "Tonight"
  by Swat.
• Fixed mistake that placed N88 ROM BASIC stub
  (something specific to PC-98) in memory even
  in IBM PC/XT/AT emulation mode.
• Fixed some callback slot leaks that can cause
  DOSBox-X to run out of callback slots if you
  reset the guest system too much.
• Fixed invalid callback and errant interrupt
  handling during BIOS reset delay that happens
  if you use the keyboard shortcut to trigger
  system reset.
• XMS emulation resets global enable and local
  enable state on XMS emulation startup to fix
  crashes related to inability to control A20 gate
  after system reset or DOS kernel restart.
• Debugger "SM" command now accepts segment:offset
  syntax for memory location to write.
• Fixed INT 21h AH=65h bug that returns DBCS table
  for AH=4h that should return filename uppercase
  table.
• Configuration GUI property settings are now
  shown in a single column wide list with scrolling.
• In the configuration GUI, help dialogs will now
  present the help text as a scrollable region if
  there is too much to fit on screen.
• dosbox.conf mixer rate will now accept any
  sample rate from 4KHz to 192KHz instead of only
  fixed specific sample rates.
• cascade interrupt ignore in service setting now
  accepts true, false, and auto. "auto" is now the
  default, and will choose true or false depending
  on machine type for correct emulation either way.
  It should no longer be necessary to add
  "cascade interrupt ignore in service=true" to
  your dosbox.conf every time you want to run a
  PC-98 game properly.
• PC-98 FM board emulation will now load SOUND.ROM
  into segment CC00h if available, if FM board
  emulation is enabled.
• PC-98 INT 18h AH=30h updated to return AH=05h
  AL=00h BH=00h if success, AH=00h AL=01h BH=01h
  if failure. This is needed to get Puyo Puyo 2
  to work, which for some reason fails if a call
  to set 15KHz mode works.
• PC-98 LIO and SOUND BIOS entry points, while
  still not implemented, have been updated to
  print the name of the call according to an
  online reference.
• DOS FCB rename now supports renaming the
  volume label as MS-DOS does.
• Fixed bug that prevented proper DOS FCB rename
  if the FCB used to rename is extended.
• FAT filesystem driver updated to also store
  updated volume label in the boot sector of the
  partition, as per MS-DOS FAT standards.
• FCB create can now be used to set a FAT
  filesystem label. MS-DOS LABEL.EXE works
  correctly now.
• FAT filesystem driver now allows LABEL command
  to change the FAT volume label of mounted disk
  images.
• DOS kernel updated to support basic FCB methods
  of deleting/setting the volume label, at least
  on local folder mounts.
• DOS kernel will now return the volume label of
  FAT filesystems mounted from disk images.
• LABEL setting code fixed not to treat label as
  if an 8.3 filename.
• LABEL is no longer a builtin shell command and
  appears on drive Z: as LABEL.COM
• LABEL reimplemented to imitate MS-DOS behavior
  with regard to how it handles the command line.
• File I/O checking and cleanup (Allofich)
• Integrated commits from mainline (Allofich)
  • Handle errant IRQs as a real BIOS does. Also
    remove r3263 workaround, as it's no longer
    needed.
  • Fix flag behavior of several shift/rotate
    instructions, cause exceptions and fix
    potential 'pop ss' problems
  • Add support for Print Screen key and
    interrupt. In-game screenshot feature
    of Descent and Descent 2 now works.