converted for the new scheme; not actually tested with a mult-monitor
setup yet but at least single-monitor display doesn't seem to be broken
(UAE banked addressing would definitely require some extensions to handle
multiple frame buffers)
- struct video_mode has an extra field that is free for use by platform-
specific code
that it can be vm_protect()'ed at will afterwards
- video_x.cpp: let driver_base free() the_buffer_copy and the_host_buffer,
if necessary
- video_vosf.h: reverted to use malloc() for mainBuffer.dirtyPages and
mainBuffer.pageInfo
- vm_alloc.cpp: small cleanups
- fixed typos
of the internal structures used for the VOSF system
- use vm_acquire()/vm_release() for VOSF buffers and hope the_buffer is
allocated above RAM address space (temporary workaround for 64-bit
addressing systems)
- don't free() screen buffers in driver_base dtor
- don't free() memory mapped buffers in driver_base dtor
implemented under Unix
- adb.cpp uses mutexes for thread-safe mouse handling
- video_x.cpp: pressing Ctrl-F5 in windowed mode switches to a "grabbed"
relative mouse mode, useful for some games
- video_x.cpp: fixed some bugs relating to the hotkeys (key releases are no
longer treated as hotkeys)
linked list
- color depth switching updates slot ROM
- video_x.cpp always supports 1-bit window modes
- timer_create()/clock_gettime() are pulled from librt if present
However, vm_init() and vm_exit() are called in main_unix.cpp to ensure proper
initialization of the internal zero_fd descriptor, if needed. i.e. no
anonymous mapping for mmap()-based memory allocation.
resolutions are 512x384, 640x480, 800x600, 1024x768 and 1280x1024 (the prefs
editor has to be updated to reflect this). The resolution selected in the
prefs editor is used as the default, but it can be changed in the Monitors
control panel. So far only tested with direct addressing.
- added uniform virtual memory allocation
(supports mmap(), vm_allocate(), or fallbacks to malloc()/free())
- cleaned up memory allocation in main_unix.cpp
- Cleaned up the process for determining the ranges of pages touched
that have to be blitted onto the screen (find_next_page_set() and
find_next_page_clear() functions)
Changes made to do_handle_screen_fault()
- An unhandled address is now dealt by the default SIGSEGV handler
- Print out the address of the instruction that caused the exception
but doesn't actually close the window to prevent Basilisk II from being
accidentally killed without a proper shutdown of MacOS
- replaced many #ifdef HAVE_PTHREADS constructs with LOCK/UNLOCK macros
- minor cleanups
- a little loop optimization when clearing the dirty pages
- changed unsigned longs with the uintptr type
- also used uintpr for the page alignment function
