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Depot Games: SimCoupe

Current Version: 1.0

Project Status: Completed

Highest Popularity: #20 during October 2009

Links: Web Site, Downloads

Category: Emulators

Developers: Simon Owen

Ports: DOS, Windows

Source Code: Available

Author's Description: SimCoupe emulates the SAM Coupé - a British Z80-based home computer released in 1989 by Miles Gordon Technology.


Name Comments Size Date DOS Binary 785,479 08/21/2006 4:22 AM
SimCoupe-1.0.tar.gz Source Code 728,039 08/21/2006 4:23 AM

What's New:

- 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-<digit> 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

SAM Boot Screen
SAM Boot Screen
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Simon Owen
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