User contributions for Mahjongg
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20 November 2019
- 02:0002:00, 20 November 2019 diff hist +1 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 01:1701:17, 20 November 2019 diff hist +283 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 01:0901:09, 20 November 2019 diff hist +64 N File:Placement and ratnest 2019-11-20 02-05-42.png optimized placement, plus some GND and +5V routing current
19 November 2019
- 17:1417:14, 19 November 2019 diff hist +140 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 17:1217:12, 19 November 2019 diff hist +53 N File:ZX81plus38rev 1.4 16 colour.png after optimizing placement 16 color PNG current
- 17:1017:10, 19 November 2019 diff hist 0 File:ZX81plus38rev 1.4.png Mahjongg uploaded a new version of File:ZX81plus38rev 1.4.png current
- 16:5816:58, 19 November 2019 diff hist +40 N File:ZX81plus38rev 1.4.png after optimizing placement
13 November 2019
- 00:2200:22, 13 November 2019 diff hist +42 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 00:2100:21, 13 November 2019 diff hist +6 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimization
- 00:2000:20, 13 November 2019 diff hist +95 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimisation
- 00:1800:18, 13 November 2019 diff hist +31 ZX81plus38 simple to build ZX-81 clone →November 13, 2019 Did a lot of placement optimisation
- 00:1700:17, 13 November 2019 diff hist +64 N File:ZX81plus38rev 1.4.pdf revision 1.4 after component placing optimization. current
- 00:1500:15, 13 November 2019 diff hist +95 ZX81plus38 simple to build ZX-81 clone →November 6, 2016 re-shaped the DIP pads to accommodate routing two wires between pads
- 00:1300:13, 13 November 2019 diff hist −47 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
11 November 2019
- 15:1115:11, 11 November 2019 diff hist +1 ZX81plus38 simple to build ZX-81 clone →October 20, 2016 rev 1.3 supports 16K ROM's
- 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 =