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- 00:26, 4 April 2016 diff hist +22 m ZX81PLUS35 ZX81 clone →1/4/2016 ( = 4^0 / 4^1 / 4^2 ) Updated preview
- 00:25, 4 April 2016 diff hist +8 ZX81PLUS35 ZX81 clone →April 3, 2016 found, and solved, pulse splitting problem in cassette interface
- 00:21, 4 April 2016 diff hist +16 ZX81PLUS35 ZX81 clone →April 3, 2016 found, and solved, pulse splitting problem in cassette interface
- 00:19, 4 April 2016 diff hist 0 m ZX81PLUS35 ZX81 clone →April 3, 2016 found, and solved, pulse splitting problem in cassette interface
- 00:19, 4 April 2016 diff hist +424 ZX81PLUS35 ZX81 clone →April 3, 2016
- 02:15, 3 April 2016 diff hist +1,285 ZX81PLUS35 ZX81 clone a
- 01:59, 3 April 2016 diff hist 0 File:ZX81+35 REV 3.0.pdf Mahjongg uploaded a new version of File:ZX81+35 REV 3.0.pdf
- 21:43, 1 April 2016 diff hist +56 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 21:39, 1 April 2016 diff hist +180 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 21:24, 1 April 2016 diff hist +77 ZX81PLUS35 ZX81 clone →1/4/2016 ( = 4^0 / 4^1 / 4^2 ) Updated preview
- 21:22, 1 April 2016 diff hist +768 ZX81PLUS35 ZX81 clone →March 29 Cassette loading works fine!
- 20:23, 1 April 2016 diff hist 0 File:ZX81+35 revision 2.2 december 2015 front preview.png Mahjongg uploaded a new version of File:ZX81+35 revision 2.2 december 2015 front preview.png
- 01:07, 31 March 2016 diff hist +113 ZX81PLUS35 ZX81 clone →March 29 Cassette loading works fine!
- 00:54, 31 March 2016 diff hist +8 m ZX81PLUS35 ZX81 clone
- 00:53, 31 March 2016 diff hist -7 m ZX81PLUS35 ZX81 clone
- 13:32, 30 March 2016 diff hist +224 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 19:25, 28 March 2016 diff hist +29 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 19:23, 28 March 2016 diff hist 0 File:ZX81+35 REV 3.0.pdf Mahjongg uploaded a new version of File:ZX81+35 REV 3.0.pdf
- 19:18, 28 March 2016 diff hist +45 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 19:17, 28 March 2016 diff hist +440 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 19:09, 28 March 2016 diff hist +65 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 19:07, 28 March 2016 diff hist 0 N File:Average value after 0,15 sec with 4.7nF cap.png
- 19:05, 28 March 2016 diff hist +449 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 18:55, 28 March 2016 diff hist +367 ZX81PLUS35 ZX81 clone →March 28, 2016 improved the cassette interface
- 18:48, 28 March 2016 diff hist 0 N File:Average value after 0,15 sec with 10uF cap.png
- 18:47, 28 March 2016 diff hist +1,367 ZX81PLUS35 ZX81 clone →March 27 2016 designed a well working cassette input port
- 17:04, 27 March 2016 diff hist +78 ZX81PLUS35 ZX81 clone →March 27 2016 designed a well working cassette input port
- 17:01, 27 March 2016 diff hist 0 N File:Layout ZX81+35 Rev 3 27 May 2016.png
- 16:51, 27 March 2016 diff hist +68 ZX81PLUS35 ZX81 clone →March 27 2016 designed a well working cassette input port
- 16:49, 27 March 2016 diff hist 0 File:ZX81+35 REV 3.0.pdf Mahjongg uploaded a new version of File:ZX81+35 REV 3.0.pdf
- 14:07, 27 March 2016 diff hist +2,922 ZX81PLUS35 ZX81 clone →March 23 2016 first attempt to get cassette port working
- 13:51, 27 March 2016 diff hist 0 N File:Swing.png
- 17:31, 25 March 2016 diff hist +71 N File:Picture of spice Wave forms on cassette interface ZX81+35.png Picture of simulation wave forms of improved cassette interface ZX81+35
- 17:29, 25 March 2016 diff hist +38 N File:Picture of Spice model of cassette interface ZX81+35.png picture of improved cassette interface
- 17:28, 25 March 2016 diff hist +55 N File:Wave forms on cassette interface ZX81+35.pdf Simulation of wave forms on improved cassette interface
- 17:28, 25 March 2016 diff hist +27 N File:Spice model of cassette interface ZX81+35.pdf improved cassette interface
- 19:30, 23 March 2016 diff hist +277 ZX81PLUS35 ZX81 clone →March 23 2016 first attempt to get cassette port working
- 18:05, 23 March 2016 diff hist +514 ZX81PLUS35 ZX81 clone →March 23 2016 first attempt to get cassette port working
- 17:59, 23 March 2016 diff hist 0 m ZX81PLUS35 ZX81 clone →March 23 2016 first attempt to get cassette port working
- 02:39, 23 March 2016 diff hist +85 ZX81PLUS35 ZX81 clone →March 23 2016 first attempt to get cassette port working
- 02:38, 23 March 2016 diff hist +32 N File:Cassette interface march 23 2016.png first revised cassette interface
- 02:22, 23 March 2016 diff hist 0 File:ZX81+35 REV 3.0.pdf Mahjongg uploaded a new version of File:ZX81+35 REV 3.0.pdf
- 02:21, 23 March 2016 diff hist +1,257 ZX81PLUS35 ZX81 clone →March 20 2016 fixed joystick interface problem
- 04:24, 20 March 2016 diff hist +1,268 ZX81PLUS35 ZX81 clone →March 15, 2016 fixed the video problem
- 04:04, 20 March 2016 diff hist 0 File:ZX81+35 REV 3.0.pdf Mahjongg uploaded a new version of File:ZX81+35 REV 3.0.pdf
- 23:17, 19 March 2016 diff hist 0 File:ZX81+35 REV 3.0.pdf Mahjongg uploaded a new version of File:ZX81+35 REV 3.0.pdf
- 23:16, 19 March 2016 diff hist +47 ZX81PLUS35 ZX81 clone →March 15, 2016 fixed the video problem
- 01:58, 17 March 2016 diff hist 0 N File:Improved video quality.jpg
- 01:45, 17 March 2016 diff hist 0 File:ZX81+35 perfect checkerboard.jpg Mahjongg uploaded a new version of File:ZX81+35 perfect checkerboard.jpg
- 01:38, 17 March 2016 diff hist 0 N File:ZX81+35 perfect checkerboard.jpg