User contributions for Mahjongg
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11 November 2019
- 15:1015:10, 11 November 2019 diff hist −1 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 15:0915:09, 11 November 2019 diff hist +47 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 15:0915:09, 11 November 2019 diff hist −47 ZX81plus38 simple to build ZX-81 clone →October 15, 2019, finished schematic rev1.2 (functionally complete)
- 15:0815:08, 11 November 2019 diff hist +29 N File:ZX81plus38 rev1.3 picture.png Picture version current
- 10:4810:48, 11 November 2019 diff hist +4 m Designing the RhoCoCo Retro Home COlor COmputer hardware →I think I found a solution for the generation of an SPI signal for the SD-card reader
- 10:4710:47, 11 November 2019 diff hist +6 Designing the RhoCoCo Retro Home COlor COmputer hardware →I think I found a solution for the generation of an SPI signal for the SD-card reader
- 10:4310:43, 11 November 2019 diff hist +642 Designing the RhoCoCo Retro Home COlor COmputer hardware →Keyboard connections are not wrong, only spectrum, not ZX-81, compatible
- 10:3410:34, 11 November 2019 diff hist 0 Space invaders repair →11/11/2019 Done a course on CRT repair, and now know how to fix the CRT current
- 10:3310:33, 11 November 2019 diff hist +460 Space invaders repair →Drawn the schematic of the pseudo noise generator
- 10:1410:14, 11 November 2019 diff hist −3 Arcade repair course No edit summary current
5 November 2019
- 23:4123:41, 5 November 2019 diff hist +78 ZX81plus38 simple to build ZX-81 clone →November 6, 2016 re-shaped the DIP pads to accommodate routing two wires between pads
- 23:3923:39, 5 November 2019 diff hist +662 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:2723:27, 5 November 2019 diff hist +190 N File:Ratsnest ZX81+38.png rats-nest and modified pads before part and port optimizations to show that 2 wires in-between pas is necessary, and how the pads are re-shaped to accommodate two 0.2mm traces. current
3 November 2019
- 00:3300:33, 3 November 2019 diff hist +648 Space invaders repair →Drawn the schematic of the pseudo noise generator
- 00:2200:22, 3 November 2019 diff hist +3 m Space invaders repair No edit summary
- 00:0900:09, 3 November 2019 diff hist 0 Space invaders repair No edit summary
- 00:0400:04, 3 November 2019 diff hist 0 Space invaders repair No edit summary
1 November 2019
- 13:2713:27, 1 November 2019 diff hist +59 Arcade repair course No edit summary
- 11:0411:04, 1 November 2019 diff hist −2 Arcade repair course No edit summary
- 11:0111:01, 1 November 2019 diff hist +1 Space invaders repair →23 september 2017 replaced the last LM3900
- 10:5510:55, 1 November 2019 diff hist +262 Arcade repair course No edit summary
- 10:4510:45, 1 November 2019 diff hist 0 Arcade repair course No edit summary
- 10:4510:45, 1 November 2019 diff hist +47 Arcade repair course No edit summary
- 10:4310:43, 1 November 2019 diff hist +2 Arcade repair course No edit summary
- 10:4210:42, 1 November 2019 diff hist +6 Arcade repair course No edit summary
- 10:4110:41, 1 November 2019 diff hist 0 File:Nationaal video game museum.jpg Mahjongg uploaded a new version of File:Nationaal video game museum.jpg current
- 10:4010:40, 1 November 2019 diff hist +141 Arcade repair course No edit summary
- 10:3810:38, 1 November 2019 diff hist 0 N File:Nationaal video game museum.jpg No edit summary
- 10:3410:34, 1 November 2019 diff hist −17 Arcade repair course No edit summary
- 10:3310:33, 1 November 2019 diff hist 0 N File:Randy Fromm 400x400.png No edit summary current
- 10:3110:31, 1 November 2019 diff hist +349 Arcade repair course starter
- 10:2610:26, 1 November 2019 diff hist +342 N Arcade repair course starter
30 October 2019
- 00:0100:01, 30 October 2019 diff hist +64 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
29 October 2019
- 23:5923:59, 29 October 2019 diff hist +2 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:5923:59, 29 October 2019 diff hist +55 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:5823:58, 29 October 2019 diff hist +31 ZX81plus38 simple to build ZX-81 clone →October 30, 2016 First component placement =
- 23:5323:53, 29 October 2019 diff hist +199 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 23:4923:49, 29 October 2019 diff hist +10 ZX81plus38 simple to build ZX-81 clone No edit summary
- 23:4823:48, 29 October 2019 diff hist +23 N File:ZX81+38 component overview proposal.png First try current
- 18:3518:35, 29 October 2019 diff hist +129 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →25 October 2019, PSG board tested and works!
- 18:3318:33, 29 October 2019 diff hist +32 N File:Layout sound expansion rev2.1 component overview.png component overview current
25 October 2019
- 12:2312:23, 25 October 2019 diff hist +77 N Zon X-81 Programmable Sound Generator expansion for ZX81PLUS35 Mahjongg moved page Zon X-81 Programmable Sound Generator expansion for ZX81PLUS35 to Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35: forgot the 'Z' in ZX-81 current Tag: New redirect
- 12:2312:23, 25 October 2019 diff hist 0 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card Mahjongg moved page Zon X-81 Programmable Sound Generator expansion for ZX81PLUS35 to Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35: forgot the 'Z' in ZX-81
- 12:2212:22, 25 October 2019 diff hist +1 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card No edit summary
- 12:2112:21, 25 October 2019 diff hist +99 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →25 October 2019, PSG board tested and works!
- 12:2012:20, 25 October 2019 diff hist +181 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
- 12:1712:17, 25 October 2019 diff hist +1 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02
22 October 2019
- 23:2123:21, 22 October 2019 diff hist +305 ZX81PLUS35 ZX81 clone →October 21, 2016 Received a free built ZX81+35 and its working
- 23:0123:01, 22 October 2019 diff hist 0 File:ZX81plus35 silkscreen overview rev4.png Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png current
- 22:3122:31, 22 October 2019 diff hist +35 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →23 October 2019, repaired definition 74LS02