This is not an exhaustive list of all updates but is instead a condensed version showing the last major change to each topic or item on my website. Minor changes, such as paragraph re-wording or code optimisation, are not listed here since they do not invalidate the previous version.
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10/03/2025 - Release of
Rocket Man for the ZX80. 18/11/2024 - Bug fix to the RS232 save routine in the ZX81 RS232 ROM Cartridge for the Chroma 81 interface. 22/10/2024 - Rock-Crush 80 for the ZX80 now available for download. 20/06/2024 - Added ZX80 Action Games - Invaders / Shell-Game by Timedata Ltd for the 4K ROM ZX80. 17/05/2024 - Added programs from Games Pack 2 and Games Pack 3 by Linsac for the 4K ROM ZX80. 06/03/2024 - Update to the ZX81 Emulator ROM Cartridge for the Spectrum 128 to increase ZX81 program support. 13/02/2024 - Bug fix to the ZX File Converter utility. 16/12/2023 - Release of the flicker-free pseudo hi-res game Rock-Crush 80 for the ZX80. 16/12/2023 - Release of the Chroma 80 SCART interface for the ZX80. 29/09/2023 - Added details of the Dual ROM Load technique for the ZX80. 05/05/2023 - Update to the ZX80 Emulator and ZX81 Emulator ROM cartridges. 01/04/2023 - Bug fix to Mazogs for the ZX80. 21/03/2023 - Update to the ZX ROM Cartridge Creator utility. 20/03/2023 - Added additional details about the Chroma 80 SCART interface. 13/01/2023 - Added details about the Chroma 80 SCART interface. 12/01/2023 - Added additional information about the SLOW mode board for the ZX80 by CompShop Ltd. 05/01/2023 - Update to the ZX Tape Player utility. 31/12/2022 - Updates (including UDG support for the ZX80) added to the ZX ROM Cartridge Creator utility. 05/04/2022 - The ZX80 Companion added to the ZX80 4K ROM Book Program Archive. 30/03/2022 - Added colour support to the pseudo hi-res demonstration program Celebration (V1.01). 30/03/2022 - Release of an enhanced version of the pseudo hi-res Lightning Display Driver (V1.02). 27/03/2022 - Release of V1.02 of Against The Elements for the 16K ZX81, which adds support for control keys Q, A, O, P and M, integrated ZXpand joystick support, improved picture alignment, smoother screen transitions, additional use of colour when used with the Chroma 81 interface, and a slight performance improvement. 02/11/2021 - Update to the Spectrum RS232 ROM cartridge to increase game compatibility. 02/09/2021 - Learning BASIC with your Sinclair ZX80 added to the ZX80 4K ROM Book Program Archive. 23/05/2021 - Added the ZX80 4K ROM Book Program Archive. 23/05/2021 - Updated with the versions of ZX80 Kong and ZX80 Pacman that were released on cassette by Cronosoft. 14/05/2021 - Update to the ZX Sprite Designer utility. 25/01/2021 - Update to the Chroma Program Enhancement Creator utility to support Chroma 80. 31/10/2020 - Bug fix to the ZX ROM Cartridge Creator utility. 31/10/2020 - Addition of a range of Cassette Conversions ROM cartridges. 31/10/2020 - Addition of a range of ROM cartridges developed using the z88dk C cross compiler - Wall, Microman, Snakes, Clock and Globe. 26/07/2020 - Release of Native Colour 3D Monster Maze for the ZX81 Chroma interface. 04/04/2020 - Update to the Chroma Program Enhancement Creator utility to run on Windows 10. 02/02/2020 - Updates to the Pacman and Kong colourisation files for the Chroma 81 interface. 01/01/2020 - Added the ZX80 4K ROM Software Archive. 07/06/2019 - Update to the Chroma Program Enhancement Creator utility. 17/04/2019 - Replaced reconstruction with the real version of the flicker-free ZX80 game '1K Space Intruders' by Macronics. 18/10/2018 - Update to the ZX Tape Player utility to improve reliability of the RS232 communications. 29/09/2018 - Update to Mazogs for the ZX80. 12/08/2018 - Update to the ZX80 Emulator ROM Cartridge for the Chroma 81 interface. 12/08/2018 - Update to the dk'tronics Graphics ROM emulator ROM Cartridge for the Chroma 81 interface. 12/08/2018 - Update to the Kayde Graphics ROM emulator ROM Cartridge for the Chroma 81 interface. 15/06/2018 - Update to the ZX81 Software Archive. 26/05/2018 - Release of a conversion of Forty Niner for the 48K Spectrum. 23/05/2018 - Release of Colour Forty Niner for the Chroma interface. 16/05/2018 - Release of a conversion of Forty Niner for the SPECTRA interface. 15/04/2018 - Release of a conversion of Rocket Man for the SPECTRA interface. 22/07/2017 - Release of Colour Rocket Man for the Chroma interface. 15/07/2017 - Release of commented disassembly of the classic ZX81 game Rocket Man. 15/07/2017 - Release of a conversion of Rocket Man for the 48K Spectrum. 03/06/2017 - Release of Colour Mazogs for the Chroma interface. 03/06/2017 - Bug fix to flicker-free Mazogs for the ZX80. 29/05/2017 - Revision to commented disassembly of the classic ZX81 game Mazogs. 13/05/2017 - Update to the ZX File Converter utility. 25/02/2016 - Release of V1.01 of Against The Elements for the 16K ZX81. 23/01/2017 - New bug description added to the Spectrum 128 ROM 0, Spectrum +2 ROM 0, Spanish 128 ROM 0 and Spectrum +2A/+3 ROM 1 disassemblies. 18/12/2016 - Release of the SPECTRA+128 supplement manual, along with information about the SPECTRA+3 Adapter that allows the SPECTRA+128 interface to be used with the Spectrum+2A/+3. 29/11/2016 - Revision to commented disassembly of the classic ZX81 game 3D Monster Maze. 27/11/2016 - Release of a conversion of 3D Monster Maze for the 48K Spectrum. 23/11/2016 - Release of a conversion of Mazogs for the 48K Spectrum. 17/03/2016 - Added a description of how Celebration for the 16K ZX81 works. 30/11/2015 - Release of the ZX File Converter utility. 08/08/2015 - Announcement of the SPECTRA+128 upgrade to allow SPECTRA to work with the Spectrum 128 and +2. 08/08/2015 - New version of the Spectrum ZXC3 Flash Programmer utility supporting 57600 baud transfer speed. 20/10/2014 - Release of the Chroma SCART interface for the ZX81. 27/07/2014 - Release of the ZXC4 ROM cartridge. 27/07/2014 - New version of the Microdrive Emulator ROM cartridge, including the enhanced version for exclusive use with the SPECTRA SCART interface. 27/07/2014 - New version of the Spectrum and Interface 1 ROM cartridge, with specific versions for the ZXC3 and ZXC4. 10/06/2014 - New version of the 128 RAM Tester ROM cartridge. 06/03/2014 - Added details of the SPECTRA Game Designer, and Blitz written for SPECTRA using the ZX BASIC Compiler. 31/05/2013 - Release of the fourth edition manual for the SPECTRA SCART interface for the 16K/48K Spectrum. 22/06/2012 - Release of the SPECTRA SCART interface for the 16K/48K Spectrum. 05/01/2012 - New version of the ZX80 Emulator ROM cartridge. 04/09/2011 - Added details about the flicker-free ZX80 game 'Double Breakout' by Beam Software. 04/09/2011 - Added details about the flicker-free ZX80 game 'Super Invasion' by Beam Software. 15/05/2011 - Added details about the 8K BASIC ROM upgrade for the ZX80. 08/05/2011 - Added details about the Volume Tester Utility for the ZX80. 07/05/2011 - Added details about the reconstruction of the flicker-free ZX80 game 'QS Defender' by Quicksilva. 12/03/2011 - Added details about the flicker-free ZX80 game '1K Breakout' by Macronics. 20/12/2010 - Add the Currah uSource Emulator ROM cartridge. 20/12/2010 - New version of the Spanish 128 Emulator ROM cartridge. 20/12/2010 - New version of the Spectrum 128 Emulator ROM cartridge. 07/07/2010 - Added details about improving the ZX80 video signal. 09/05/2010 - New version of the ROM Tester ROM cartridge to detect the Scandanavian Spectrum. 07/05/2010 - Added details about the Spectrum +2 Test Program PCB. 06/05/2010 - Added SE BASIC ROM cartridge (3rd party program). 06/05/2010 - Added Gosh Wonderful BASIC ROM cartridge (3rd party program). 03/05/2010 - Added pages describing the mechanism allowing flicker-free ZX80 programs, including a disassembly of the flicker-free 3K Space Invaders game by Macronics. 18/11/2009 - Release of the ZXC3 ROM Cartridge. 14/10/2009 - Added Test Program disassemblies. 14/10/2009 - Added System Test ROM cartridge instruction scans. 29/08/2009 - Added Spectrum Test Program. 19/08/2009 - Added Death Star game ROM cartridge (3rd party program). 05/04/2009 - Added details on a method for Extending Spectrum 128 BASIC. 03/04/2009 - Bug fix to Spectrum 128 Emulator ROM cartridge. |
