User contributions for Mahjongg

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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

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

00:0100:01, 30 October 2019 diff hist +64‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 30, 2016 First component placement =

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

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

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
22:2122:21, 22 October 2019 diff hist +57‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎23 October 2019, repaired definition 74LS02
22:2022:20, 22 October 2019 diff hist 0‎ N File:Layout sound expansion rev2.1.PNG ‎No edit summary current
22:1522:15, 22 October 2019 diff hist +6‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎23 October 2019, repaired definition 74LS02
22:1422:14, 22 October 2019 diff hist +39‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎23 October 2019, repaired definition 74LS02
22:1322:13, 22 October 2019 diff hist +29‎ N File:Sound expansion rev 2.1-1.png ‎ Repaired 74LS02 current
22:0922:09, 22 October 2019 diff hist +103‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎20 October 2019, realized the 74LS02 NOR ports are defined wrong!
22:0722:07, 22 October 2019 diff hist +65‎ N File:Sound expansion rev 2.1.pdf ‎ Rev 2.1 23 Oktober 2019; definition 74LS02 repaired current

16:3016:30, 21 October 2019 diff hist 0‎ File:ZX81plus35 silkscreen overview rev4.png ‎ Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png
16:2616:26, 21 October 2019 diff hist 0‎ File:ZX81plus35 silkscreen overview rev4.png ‎ Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png
09:2509:25, 21 October 2019 diff hist −20‎ m ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
09:2509:25, 21 October 2019 diff hist +24‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
09:2409:24, 21 October 2019 diff hist +5‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
01:0901:09, 21 October 2019 diff hist +183‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
01:0401:04, 21 October 2019 diff hist +108‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working

23:2223:22, 20 October 2019 diff hist +411‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:1223:12, 20 October 2019 diff hist 0‎ N File:Printing all 256 characters.JPG ‎No edit summary current
23:0923:09, 20 October 2019 diff hist +6‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:0823:08, 20 October 2019 diff hist −14‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:0723:07, 20 October 2019 diff hist 0‎ N File:ZX81+35 revision 4.0 with keyboard.JPG ‎No edit summary current
23:0523:05, 20 October 2019 diff hist +2‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:0423:04, 20 October 2019 diff hist −90‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:0323:03, 20 October 2019 diff hist +44‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:0223:02, 20 October 2019 diff hist +47‎ ZX81PLUS35 ZX81 clone ‎ →‎October 21, 2016 Received a free built ZX81+35 and its working
23:0023:00, 20 October 2019 diff hist +282‎ ZX81PLUS35 ZX81 clone ‎ →‎If you have build a ZX81+35 and have a problem, you can reach me here

23:5723:57, 19 October 2019 diff hist +6‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎20 October 2019, realized the 74LS02 NOR ports are defined wrong!
23:5623:56, 19 October 2019 diff hist +346‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎8 November 2016 Layout fully routed
23:4823:48, 19 October 2019 diff hist 0‎ File:ZX81plus35 silkscreen overview rev4.png ‎ Mahjongg uploaded a new version of File:ZX81plus35 silkscreen overview rev4.png
23:4623:46, 19 October 2019 diff hist +66‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 20, 2016 rev 1.3 supports 16K ROM's
23:4423:44, 19 October 2019 diff hist 0‎ File:ZX81plus38 rev1.3.pdf ‎ Mahjongg uploaded a new version of File:ZX81plus38 rev1.3.pdf current
23:4323:43, 19 October 2019 diff hist +300‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
23:3423:34, 19 October 2019 diff hist +45‎ N File:ZX81plus38 rev1.3.pdf ‎ revision 1.3 supports 16K ROM's

12:3312:33, 16 October 2019 diff hist 0‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
12:3212:32, 16 October 2019 diff hist +47‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
12:2912:29, 16 October 2019 diff hist +12‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
12:2912:29, 16 October 2019 diff hist −5‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
12:2812:28, 16 October 2019 diff hist −4‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
12:2712:27, 16 October 2019 diff hist +23‎ N File:ZX81plus38 rev1.2 cropped.png ‎ finalized current

22:4022:40, 15 October 2019 diff hist +55‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
22:3822:38, 15 October 2019 diff hist 0‎ File:ZX81plus38 rev1.2.pdf ‎ Mahjongg uploaded a new version of File:ZX81plus38 rev1.2.pdf current
22:3822:38, 15 October 2019 diff hist −3‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
22:3122:31, 15 October 2019 diff hist +118‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
22:2222:22, 15 October 2019 diff hist +61‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
22:1622:16, 15 October 2019 diff hist +31‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
22:1522:15, 15 October 2019 diff hist +61‎ N File:ZX81plus38 rev1.2.pdf ‎ Functionally complete with loading bar support.
22:1422:14, 15 October 2019 diff hist +67‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 15, 2019, finished schematic rev1.2 (functionally complete)
22:0622:06, 15 October 2019 diff hist −351‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)

23:5523:55, 12 October 2019 diff hist +41‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 13, 2019, schematic rev1.1 (some errors fixed, added ZX81 ROM support)
23:4723:47, 12 October 2019 diff hist +40‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 13, 2019, schematic rev1.1 (errors repaired, ZX81 ROM support)
23:4523:45, 12 October 2019 diff hist 0‎ N File:ZX81plus38 rev 1.1.pdf ‎No edit summary current
23:4423:44, 12 October 2019 diff hist +1,297‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 9, schematic rev1.0 finished

13:1013:10, 9 October 2019 diff hist +4‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
13:0913:09, 9 October 2019 diff hist +66‎ N File:ZX81plus38 rev 1.0 further cropped.png ‎ Cropped to 2339 by 1655 pixels, while still readable current
13:0413:04, 9 October 2019 diff hist 0‎ File:Preliminary ZX81plus38 resized.png ‎ Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png current

22:4722:47, 8 October 2019 diff hist +111‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 9, schematic rev1.0 finished
22:4622:46, 8 October 2019 diff hist +112‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 9, schematic rev1.0 finished
22:4422:44, 8 October 2019 diff hist +81‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 9, schematic rev1.0 finished
22:4122:41, 8 October 2019 diff hist 0‎ File:Preliminary ZX81plus38 resized.png ‎ Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png
22:2922:29, 8 October 2019 diff hist 0‎ File:Preliminary ZX81plus38 resized.png ‎ Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png
22:2522:25, 8 October 2019 diff hist 0‎ File:Preliminary ZX81plus38 resized.png ‎ Mahjongg uploaded a new version of File:Preliminary ZX81plus38 resized.png
22:2022:20, 8 October 2019 diff hist 0‎ File:ZX81plus38.pdf ‎ Mahjongg uploaded a new version of File:ZX81plus38.pdf current
22:2022:20, 8 October 2019 diff hist +102‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 6, schematic mostly finished

11:2211:22, 7 October 2019 diff hist +69‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 6, schematic mostly finished
11:2111:21, 7 October 2019 diff hist +4‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
11:2011:20, 7 October 2019 diff hist +175‎ N File:Preliminary ZX81plus38 resized.png ‎ preliminary (unfinished) ZX81+38 schematic, about 95% finished, but not started with layout yet (except initial placement of essential parts and mounting holes).
11:1711:17, 7 October 2019 diff hist +175‎ N File:Preliminary ZX81plus38.png ‎ preliminary (unfinished) ZX81+38 schematic, about 95% finished, but not started with layout yet (except initial placement of essential parts and mounting holes). current

19:1919:19, 6 October 2019 diff hist 0‎ File:ZX81plus38.pdf ‎ Mahjongg uploaded a new version of File:ZX81plus38.pdf
19:1819:18, 6 October 2019 diff hist +196‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎October 1, 2019 continued
19:1619:16, 6 October 2019 diff hist −68‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 29, 2019 continued with component selection and routing of the schematic
13:1413:14, 6 October 2019 diff hist +4‎ m ZX81plus38 simple to build ZX-81 clone ‎ →‎October 1, 2019 continued

16:0316:03, 5 October 2019 diff hist −13‎ ZX81PLUS35 ZX81 clone ‎No edit summary
16:0216:02, 5 October 2019 diff hist +99‎ ZX81PLUS35 ZX81 clone ‎No edit summary
16:0016:00, 5 October 2019 diff hist +440‎ ZX81PLUS35 ZX81 clone ‎No edit summary
15:5015:50, 5 October 2019 diff hist −1‎ Weekend van de Wetenschap (2019) ‎ →‎Ja ik help mee!

23:2023:20, 4 October 2019 diff hist +82‎ Weekend van de Wetenschap (2019) ‎ →‎Ja ik help mee!

15:3115:31, 29 September 2019 diff hist 0‎ m Zx81plus34 ‎ →‎what now? current
15:3015:30, 29 September 2019 diff hist +53‎ Zx81plus34 ‎ →‎what to do? creating the first home computer is what he did!
15:2215:22, 29 September 2019 diff hist +1‎ ZX81PLUS35 ZX81 clone ‎ →‎If you have build a ZX81+35 and have a problem, you can reach me here
15:2015:20, 29 September 2019 diff hist +27‎ ZX81PLUS35 ZX81 clone ‎ →‎If you have build a ZX81+35 and have a problem, you can reach me here
15:1915:19, 29 September 2019 diff hist +597‎ ZX81PLUS35 ZX81 clone ‎ →‎I'm considering designing a simplified (to build) version, based on an ULA replicate
00:5300:53, 29 September 2019 diff hist +4‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 29, 2019 continued with component selection and routing of the schematic
00:5200:52, 29 September 2019 diff hist +626‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 29, 2019 continued with component selection and routing of the schematic
00:4300:43, 29 September 2019 diff hist +17‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 29, 2019 continued with component selection and routing
00:4100:41, 29 September 2019 diff hist +645‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 24, 2019 I placed most of the components in the schematic
00:2700:27, 29 September 2019 diff hist +46‎ N File:ZX81plus38.pdf ‎ First setup with most components

00:0300:03, 25 September 2019 diff hist +1,703‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started the design

23:1523:15, 24 September 2019 diff hist −9‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
23:1523:15, 24 September 2019 diff hist +76‎ N File:Estimate placement ZX81+38.png ‎ First estimate of all the logic will fit on a ZX-81 size board current

11:1211:12, 18 September 2019 diff hist +31‎ m ZX81plus38 simple to build ZX-81 clone ‎No edit summary
11:1011:10, 18 September 2019 diff hist +196‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started the design
11:0511:05, 18 September 2019 diff hist +61‎ m ZX81plus38 simple to build ZX-81 clone ‎No edit summary
00:2900:29, 18 September 2019 diff hist +1‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started the design
00:2900:29, 18 September 2019 diff hist +1‎ m ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started the design
00:2800:28, 18 September 2019 diff hist +1‎ m ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started the design
00:2800:28, 18 September 2019 diff hist +2‎ m ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started the design
00:2700:27, 18 September 2019 diff hist +100‎ ZX81plus38 simple to build ZX-81 clone ‎ →‎September 18, 2019 I started
00:2300:23, 18 September 2019 diff hist +799‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
00:1200:12, 18 September 2019 diff hist +27‎ ZX81plus38 simple to build ZX-81 clone ‎No edit summary
00:1100:11, 18 September 2019 diff hist +348‎ N ZX81plus38 simple to build ZX-81 clone ‎ Created page with "{{Project |Name=ZX81plus38 |Picture=plaatje dat je geupload hebt op de wiki |Omschrijving=Most people I showed my ZX-81 clone (ZX81+35) said they liked it, but with such a..."

21:2321:23, 13 September 2019 diff hist +34‎ Moar chicken shirt ‎ →‎Intekenlijst

09:2709:27, 12 September 2019 diff hist +120‎ ZX81PLUS35 ZX81 clone ‎ →‎September 11, 2019 Keyboard ZX81+35 PCB finished

21:0021:00, 11 September 2019 diff hist +14‎ ZX81PLUS35 ZX81 clone ‎ →‎September 11, 2019 Keyboard ZX81+35 PCB finished
20:5820:58, 11 September 2019 diff hist +95‎ ZX81PLUS35 ZX81 clone ‎ →‎September 11, 2019 Keyboard ZX81+35 PCB finished
20:5720:57, 11 September 2019 diff hist +42‎ N File:ZX81+35 keyboard bottom.png ‎ solder side with solder mask current
20:5620:56, 11 September 2019 diff hist +191‎ ZX81PLUS35 ZX81 clone ‎ →‎September 11, 2019 Keyboard ZX81+35 PCB finished
20:5120:51, 11 September 2019 diff hist +71‎ N File:ZX81+35 keyboard top.png ‎ componentenzijde met tekstopdruk, maar geen soldeermasker current
01:5101:51, 11 September 2019 diff hist +1‎ ZX81PLUS35 ZX81 clone ‎ →‎September 11, 2019 Keyboard ZX81+35 PCB finished

23:4523:45, 10 September 2019 diff hist +46‎ ZX81PLUS35 ZX81 clone ‎ →‎September 11, 2019 Keyboard ZX81+35 PCB finished
23:4323:43, 10 September 2019 diff hist +149‎ ZX81PLUS35 ZX81 clone ‎ →‎I'm considering designing a simplified (to build) version, based on an ULA replicate
23:4123:41, 10 September 2019 diff hist 0‎ N File:Keyboard PCB ZX81plus35.png ‎No edit summary current
20:3220:32, 10 September 2019 diff hist +375‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay

17:4417:44, 5 September 2019 diff hist +18‎ ZX81PLUS35 ZX81 clone ‎No edit summary
17:3517:35, 5 September 2019 diff hist +336‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
17:2117:21, 5 September 2019 diff hist +6‎ m ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:5112:51, 5 September 2019 diff hist +148‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:4412:44, 5 September 2019 diff hist −68‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:4312:43, 5 September 2019 diff hist +159‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:3812:38, 5 September 2019 diff hist 0‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:3812:38, 5 September 2019 diff hist +130‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:3612:36, 5 September 2019 diff hist +850‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay

23:4523:45, 4 September 2019 diff hist +160‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
23:4323:43, 4 September 2019 diff hist −20‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
23:3623:36, 4 September 2019 diff hist +37‎ N File:ZX-81 Keyboard-F.SilkS.pdf ‎ preview of keyboard PCB current
20:1620:16, 4 September 2019 diff hist −1‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
20:1220:12, 4 September 2019 diff hist +7‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
20:1120:11, 4 September 2019 diff hist +83‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
20:0920:09, 4 September 2019 diff hist +39‎ N File:ZX-81plus35 Keyboard PCB schematic.png ‎ Correct schematic rev 1.1 current
20:0520:05, 4 September 2019 diff hist +105‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
20:0320:03, 4 September 2019 diff hist +43‎ N File:ZX-81 Keyboard.pdf ‎ Mahjongg moved page File:ZX-81 Keyboard.pdf to File:ZX-81plus35 Keyboard.pdf: corrected name current Tag: New redirect
20:0320:03, 4 September 2019 diff hist 0‎ m File:ZX-81plus35 Keyboard.pdf ‎ Mahjongg moved page File:ZX-81 Keyboard.pdf to File:ZX-81plus35 Keyboard.pdf: corrected name current
20:0120:01, 4 September 2019 diff hist +51‎ N File:ZX-81plus35 Keyboard.pdf ‎ Rev 1.1 with corrected D4 .. D0 order
00:0800:08, 4 September 2019 diff hist +223‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay

22:2422:24, 2 September 2019 diff hist +313‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
22:2022:20, 2 September 2019 diff hist −280‎ ZX81PLUS35 ZX81 clone ‎ →‎September 2, 2019 Made a new component overview (assembly drawing) for rev 4.0
22:1622:16, 2 September 2019 diff hist +280‎ ZX81PLUS35 ZX81 clone ‎ →‎September 2, 2019 Made a new component overview (assembly drawing) for rev 4.0
16:2316:23, 2 September 2019 diff hist +34‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
16:2116:21, 2 September 2019 diff hist −24‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
16:2016:20, 2 September 2019 diff hist +49‎ ZX81PLUS35 ZX81 clone ‎ →‎September 2, 2019 Made a new component overview (assembly drawing) for rev 4.0
16:1816:18, 2 September 2019 diff hist +160‎ N File:ZX81plus35 silkscreen overview rev4.png ‎ Annotated all the changes that were made in Rev 4.0 in this new assembly drawing, showing which components go where on a Rev 4.0 ZX81plus35 board.
16:1616:16, 2 September 2019 diff hist +160‎ N File:ZX81+35 silkscreen overview rev4.png ‎ Annotated all the changes that were made in Rev 4.0 in this new assembly drawing, showing which components go where on a Rev 4.0 ZX81plus35 board. current
16:1416:14, 2 September 2019 diff hist +86‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
12:2512:25, 2 September 2019 diff hist +1‎ Designing the RhoCoCo Retro Home COlor COmputer hardware ‎ →‎Keyboard connections are not wrong, only spectrum, not ZX-81 compatible
12:2412:24, 2 September 2019 diff hist +387‎ Designing the RhoCoCo Retro Home COlor COmputer hardware ‎ →‎Keyboard connections error discovered?
11:3411:34, 2 September 2019 diff hist −12‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
08:5708:57, 2 September 2019 diff hist +846‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay

23:2123:21, 27 August 2019 diff hist +548‎ ZX81PLUS35 ZX81 clone ‎ →‎August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
23:0223:02, 27 August 2019 diff hist +72‎ N File:ZX-81 Keyboard PCB.pdf ‎ Schematic of ZX81+35 keyboard PCB for ZX81+35 revision 4.0 current
21:3921:39, 27 August 2019 diff hist +2‎ ZX81PLUS35 ZX81 clone ‎No edit summary
17:1517:15, 27 August 2019 diff hist +214‎ ZX81PLUS35 ZX81 clone ‎ →‎I'm considering designing a simplified (to build) version, based on an ULA replicate
17:1317:13, 27 August 2019 diff hist +41‎ ZX81PLUS35 ZX81 clone ‎ →‎I'm considering designing a simplified (to build) version, based on an ULA replicate
17:1217:12, 27 August 2019 diff hist +58‎ ZX81PLUS35 ZX81 clone ‎ →‎I'm considering designing a simplified (to build) version, based on an ULA replicate
17:0217:02, 27 August 2019 diff hist −40‎ m ZX81PLUS35 ZX81 clone ‎ →‎I'm considering designing a simplified (to build) version, based on an ULA replicate
13:2413:24, 27 August 2019 diff hist +1‎ ZX81PLUS35 ZX81 clone ‎ →‎I'm considering building a simplified (to build) version, based on an ULA replicate
13:2313:23, 27 August 2019 diff hist +16‎ m ZX81PLUS35 ZX81 clone ‎ →‎Started on the Keyboard PCB, compatible with the keyboard overlay
13:2213:22, 27 August 2019 diff hist +1,239‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
13:0013:00, 27 August 2019 diff hist +175‎ Designing the RhoCoCo Retro Home COlor COmputer hardware ‎ →‎April 18, 2017 Changed my mind, will try to build a Z80 based more "home computer like design"
12:5712:57, 27 August 2019 diff hist +54‎ N File:Rhococo Retro HOme COlor Computer design specs .odt ‎ My first ideas about rhococo (in Dutch). current
12:4812:48, 27 August 2019 diff hist +57‎ Designing the RhoCoCo Retro Home COlor COmputer hardware ‎No edit summary
12:4512:45, 27 August 2019 diff hist +89‎ N File:My Home Computer intro.odt ‎ My original thoughts about designing a retro home computer written in 2010. current
12:2612:26, 27 August 2019 diff hist −2‎ ZX81PLUS35 ZX81 clone ‎ →‎Inspirational sources used for the design of the ZX81+35
12:2512:25, 27 August 2019 diff hist −1‎ m ZX81PLUS35 ZX81 clone ‎ →‎Inspirational sources used for the design of the ZX81+35
12:2512:25, 27 August 2019 diff hist +1,295‎ ZX81PLUS35 ZX81 clone ‎ →‎Introduction to the ZX81+35

00:4300:43, 5 August 2019 diff hist +154‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
00:4000:40, 5 August 2019 diff hist +119‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
00:3600:36, 5 August 2019 diff hist +191‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
00:3300:33, 5 August 2019 diff hist +648‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
00:2600:26, 5 August 2019 diff hist +262‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
00:2200:22, 5 August 2019 diff hist +450‎ ZX81PLUS35 ZX81 clone ‎ →‎Its 2019 and I have decided to release my ZX81+35
00:1300:13, 5 August 2019 diff hist +209‎ ZX81PLUS35 ZX81 clone ‎ →‎Keyboard for ZX81+34/35

13:0313:03, 31 July 2019 diff hist +24‎ ZX81PLUS35 ZX81 clone ‎No edit summary
13:0013:00, 31 July 2019 diff hist −2‎ ZX81PLUS35 ZX81 clone ‎No edit summary
12:5612:56, 31 July 2019 diff hist +427‎ ZX81PLUS35 ZX81 clone ‎ →‎2017 has arrived

22:4022:40, 30 July 2019 diff hist +69‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0
22:3722:37, 30 July 2019 diff hist +8‎ m ZX81PLUS35 ZX81 clone ‎ →‎On april 12, 2016 I was diagnosed with Sleep Apnea, which means I cannot drive a car!
22:3522:35, 30 July 2019 diff hist +3‎ m ZX81PLUS35 ZX81 clone ‎ →‎1/4/2016 ( = 4^0 / 4^1 / 4^2 ) Updated preview
22:2922:29, 30 July 2019 diff hist +1‎ m ZX81PLUS35 ZX81 clone ‎ →‎March 27 2016 designed a reasonably well working cassette input port
22:2722:27, 30 July 2019 diff hist +1‎ m ZX81PLUS35 ZX81 clone ‎ →‎March 23 2016 first attempt to get cassette port working
22:2322:23, 30 July 2019 diff hist +84‎ m Zx81plus34 ‎ →‎what now?
22:1622:16, 30 July 2019 diff hist −13‎ m Zx81plus34 ‎ →‎what to do? creating the first home computer is what he did!
22:1522:15, 30 July 2019 diff hist −2‎ m Zx81plus34 ‎ →‎what to do? creating the first home computer is what he did!

14:0514:05, 22 July 2019 diff hist +1,167‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 solved sd-card insertion crashes current

11:3411:34, 21 June 2019 diff hist −28‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎May 22, 2019 trying to get a standard VGA driver (32 x 16 text driver) to work
11:3311:33, 21 June 2019 diff hist −1‎ m Bringing up Rhococo (first boot, and firmware development) ‎No edit summary
11:3011:30, 21 June 2019 diff hist +1‎ m Bringing up Rhococo (first boot, and firmware development) ‎ →‎May 28, 2019 VGA driver works!

21:1321:13, 11 June 2019 diff hist +17‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 solved sd-card insertion crashes
21:0321:03, 11 June 2019 diff hist +28‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 solved sd-card insertion crashes
21:0321:03, 11 June 2019 diff hist +105‎ N File:RHOCOCO rev2.1.pdf ‎ changed 100nF cap C13 to 470uF 6V3 to solve inrush current crashes when inserting SD-cards. current
20:4820:48, 11 June 2019 diff hist −1‎ m Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 solved sd-card insertion crashes
20:4720:47, 11 June 2019 diff hist +16‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 solved sd-card insertion crashes
20:4620:46, 11 June 2019 diff hist +429‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 IO-Expander (for SD-Card IO) working
16:5316:53, 11 June 2019 diff hist 0‎ m Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 IO expander (for SD-Card IO) working
16:5116:51, 11 June 2019 diff hist +600‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 11, 2019 IO expander (for SD-Card IO) working
16:4216:42, 11 June 2019 diff hist +94‎ N File:IOExpander working cropped.JPG ‎ I/O expander reading the SD-card interface with a write protected card inserted. current
16:3916:39, 11 June 2019 diff hist +1,157‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎June 5, 2019 Thinking about video modes

11:3711:37, 22 May 2019 diff hist +34‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎May 22, 2019 trying to get a standard VGA driver (32 x 16 text driver) to work
11:3611:36, 22 May 2019 diff hist 0‎ N File:VGA TEXT DEMO.jpg ‎No edit summary current

23:1923:19, 21 May 2019 diff hist +334‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎May 22, 2019 trying to get a standard VGA driver (32 x 16 text driver) to work
23:1523:15, 21 May 2019 diff hist +116‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎May 22, 2019 trying to get a standard VGA driver (32 x 16 text driver) to work
23:1223:12, 21 May 2019 diff hist +630‎ Bringing up Rhococo (first boot, and firmware development) ‎ →‎May 4, 2019 programming the propeller works ITS ALIVE!
23:0423:04, 21 May 2019 diff hist 0‎ N File:Vga spin.pdf ‎No edit summary current

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