SimCoupe 1.0

SimCoupe project is a SAM Coupé emulator.

SimCoupe emulates the SAM Coupé, a British Z80-based home computer released in 1989 by Miles Gordon Technology.

What's New in This Release:

· Added SDL port (OpenGL and regular) for Linux, BeOS, QNX, etc.
· Added Pocket PC port for ARM, MIPS and SH3 devices
· Added Allegro port for an updated DOS version
· Added built-in GUI for all platforms without native GUI support
· Added full async real disk support for 2000/XP and Linux
· Added read-write EDSK support for copy-protected disks
· Added formatting support within limits of disk image capabilities
· Added read-only support for TD0 (TeleDisk) and SBT disk images
· Added support for 9-sector Pro-DOS disk images
· Added correct WD1772 CRCs to read address and read track data
· Added support for deleted data address marks in track reads/formats
· Added auto-boot option for disks inserted at the start-up screen
· Added delay to disk image accesses, to avoid Pro-DOS bug
· Added turbo-load support, for accelerated speed during disk accesses
· Added preliminary debugger support, with lots of future potential
· Added partial scanline support for a more natural looking display
· Added support for border pixel artefacts, as used by Fred65 menu
· Added support for incomplete frame drawing, needed by the debugger
· Added support for using real HDD devices under Win32, Linux and OS X
· Added optional automagic DOS booting of non-bootable disks
· Added internal SAMDOS 2.2 image, used by automagical DOS booting
· Added internal SAM ROM v3.0 image, used as the default
· Added support for ZX82 and gzipped external ROM images
· Added built-in support for Edwin Blink's ATOM ROM booting patches
· Added support for unresponsive ASIC during first ~49ms after power-on
· Added support for SDIDE and YAMOD.ATBUS hard disk interfaces
· Added print-to-file support for SAM printers
· Added support for swapping mouse buttons 2 and 3
· Added Alt as modifier option to function key bindings
· Added missing SAM pipe symbol to keyboard map
· Added option to swap function keys and numeric keypad operation
· Added full HPEN and LPEN support, used by Defender and BSD demo
· Added mouse-wheel support to generate cursor up/down
· Added basic Vista beta 2 support by working around OS bugs
· Added manifest for XP themed common controls [Win32]
· Fixed ADC HL,rr incorrectly setting N flag
· Fixed ADD IX/IY,rr failing to set carry for overflow, or H flag
· Fixed disassembly of IN C,(C) and display of DDCB/FDCB index offsets
· Fixed DAA to support all undocumented flags
· Fixed ROM memory accesses to be uncontended [Dave Laundon]
· Fixed contention across page boundaries [Dave Laundon]
· Fixed Atom support to work correctly with latest BDOS versions
· Fixed SAD support for sector sizes other than 512 bytes
· Fixed index pulse to be based on disk speed rather than status reads
· Fixed WD1772 sector searching so the head value is no longer compared
· Fixed formatting to preserve embedded data, for Pro-DOS [thanks Steve P-T]
· Fixed re-insert of same disk image losing old image changes
· Fixed formatting crash when no disk present [thanks Josef Prokes]
· Fixed auto-frameskip to avoid wasting time (old 25fps problem)
· Fixed key-bounce issues by deferring input until mid-frame
· Fixed digit input on Czech keyboards, which require a shift modifier
· Fixed AltGr being seen as Ctrl-Alt on some Win9x setups
· Fixed Ctrl- access to symbols [thanks Edwin Blink]
· Fixed incorrect SAM palette spread, which made dark colours too bright
· Fixed the PNG screenshot palette being too dark
· Fixed pixel format colour issues by calculating them from bit masks
· Fixed broken import/export which could crash with sizes over 16K
· Fixed MIC writes not reflected back to EAR [thanks Edwin Blink]
· Fixed reads from ports 0 to 15, which were always returning zero
· Fixed mouse read timeout (now 50us) and timer reset on each byte read
· Fixed accumulation of small mouse movements, for Legend of Eshan
· Fixed external memory ports to be write-only [thanks Jiri Veleba]
· Fixed autoboot to hold rather than tap F9, to avoid a 2nd boot attempt
· Fixed building for 64-bit platforms [thanks Stuart Brady and Terry Froy]
· Fixed disk image saving on Windows shutdown/restart [Win32]
· Fixed display of mode 3 pixels in 24-bit mode [Win32]
· Improved efficiency of contention table lookups [Dave Laundon]
· Improved fast-boot to no longer require temporary ROM patching
· Improved menu layout, adding icons and a MRU file list
· Improved some overly complicated dialogs and options screens
· Improved sensitivity and scaling of SAM mouse movements
· Improved RAM, paging, CLUT and CPU register power-on states
· Improved DAC interpolation for less harsh playback in MOD Player
· Improved altforcntrl use by disabling Windows key when active [Win32]
· Improved PNG screenshots to include 5:4 aspect, scanlines and greyscale
· Changed to use a combined 32K ROM image instead of separate 16K files
· Changed unconnected ports to return 0xff rather than 0x00
· Changed to dynamically bind to DirectX, for better error reporting
· Removed dynamic Atom HDD generated from floppy images



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