comp.sys.sinclair FAQ

The ZX Spectrum is, by far, the most widely emulated of all Sinclair machines. However, a number of other models are also emulated. This is a (short) list of Science of Cambridge MK-14, ZX80, ZX81 / TS1000, Sinclair QL and Jupiter ACE emulators available that may be of interest to you. For a more complete list, try this section of the Google Web Directory.

Please note that the emulators listed below are for MS-DOS / Microsoft Windows platforms unless stated otherwise. Commented ROM listings for the ZX80 and ZX81 (plus others) are available from Geoff Wearmouth, author of the SEA Change ROM.

Science of Cambridge MK-14:
There is 1 MK-14 emulator available:

• MK14 v1.90
  
  Emulates: Standard MK-14, 8-Digit Video Display Unit with variable colours.
  Tape Formats: None.
  Requirements: MS-DOS, Microsoft Windows 9x, Windows NT4.0, Windows 2000 and Windows XP.
  Created by: Paul Robson.
  Last updated: June 11th, 1998.
  
  Comments: A small number of MK-14 programs, several manuals and guidebooks, and emulator source packages are available from the MK14 web page. The MK-14 FAQ is also available. Runs under MS-DOS emulation (DOS Box) on Windows systems. See the documentation section of this FAQ for links to the MK-14 circuit diagram.
  
  

ZX80:
There are 2 ZX80 emulators available:

• No$ZX81 v1.1
  
  Emulates: ZX80, ZX81.
  Tape Formats: Loads and Saves .80, .81 and .o files.
  Requirements: Any version of MS-DOS or Microsoft Windows.
  Created by: Martin Korth.
  Last updated: March 15th, 2002.
  
  Comments: Features ZX80 and ZX81 emulation with full debugging options. Very flexible configuration options and integrated help. Released as Shareware.
  
  
• XTender II Beta 11b
  
  Emulates: ZX80, ZX81, Aszmic, PC-8300 and others.
  Tape Formats: Loads and Saves .p and .o files. Direct audio Load and Save options.
  Requirements: MS-DOS or Microsoft Windows via MS-DOS emulation (DOS Box).
  Created by: Carlo Delhez.
  Last updated: May 2002.
  
  Comments: Multiple keyboard layout support, virtual tape interface allowing direct use of cassette tapes and features a 'TV emulator' for accurate video output. Claimed to run any hi-res, semi-hi-res, mixed resolution, and low resolution ZX81 program. Released as Shareware.
  
  

ZX81 / TS1000
There are 3 ZX81 / TS1000 emulators available:

• TS1000 v2.10
  
  Emulates: Timex TS1000 in SLOW and FAST modes.
  Tape Formats: Loads and Saves .p compatible cassette images.
  Requirements: MS-DOS, Microsoft Windows 9x, Windows NT4.0, Windows 2000 and Windows XP.
  Created by: Jeff Vavasour.
  Last updated: February 18th, 1999.
  
  Comments: Emulates a TS1000 with TS1016 Memory Expansion and TS2040 Thermal Printer attached. Instructions are included with the emulator on how to convert snapshot files into cassette images. Runs under MS-DOS emulation (DOS Box) on Windows systems.
  
  
• vb81 v1.30
  
  Emulates: ZX81 in SLOW and FAST modes.
  Tape Formats: Loads and Saves .p files.
  Requirements: Microsoft Windows 9x, Windows NT4.0, Windows 2000 and Windows XP.
  Created by: Chris Cowley.
  Last updated: September 8th, 2002.
  
  Comments: Written using Microsoft Visual Basic, and released under the GNU General Public License (GPL), vb81 includes standard and Memotech MemoCalc ROM files. Pseudo Hi-Res screen modes are emulated. Several different download options are available; the 'core' emulator files (existing VB6 Runtime required), a full installation (VB6 Runtime library and several games included) and a source package. Please see the vb81 web page for more information.
  
  
• Java TS1000 / ZX81 Emulator
  
  Emulates: ZX81 and Timex TS1000.
  Tape Formats: Loads and Saves programs through a text entry box provided.
  Requirements: Java enabled web browser.
  Created by: Jeff Vavasour.
  Last updated: February 14th, 2001.
  
  Comments: Features an on-screen keyboard helper and error message references. The online help system provided extends far beyond the emulator, and is a valuable reference in and of itself. A small software library is also available.
  
  

Sinclair QL:

• QPC II v3.03
  
  Emulates: Sinclair QL with SMSQ/E.
  Cartridge Formats: Unknown.
  Requirements: Microsoft Windows 9x, Me, NT4.0, 2000 and XP. QPC 1 is available for MS-DOS users.
  Created by: Marcel Kilgus.
  Last updated: August 22nd, 2002.
  
  Comments: QPC II is a commercial program. Specifications are provided on the QPC web site.
  
  

Jupiter ACE:
There are 2 Jupiter Ace emulators available:

• ACE 32 v1.4
  
  Emulates: 1K, 19K and 32K Jupiter Ace.
  Tape Formats: Loads .tap and .ace (snapshot) files. Saves .ace files.
  Requirements: MS-DOS only.
  Created by: Paul Robson.
  Last updated: November 3rd, 1997.
  
  Comments: Includes the original Jupiter ACE ROM, and features an integrated debugger. A small small software library is available from the ACE 32 web page, as is the Jupiter Ace FAQ. The same author also created the MK-14 emulator (see above).
  
  
• Amiga Ace
  
  Emulates: Jupiter Ace.
  Tape Formats: Unknown.
  Requirements: AmigaOS.
  Created by: Paul Hill.
  Last updated: Unknown.
  
  Comments: Based on XAce. Source code is available.