User contributions for Mahjongg
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29 August 2019
- 00:5000:50, 29 August 2019 diff hist +422 Designing the RhoCoCo Retro Home COlor COmputer hardware →April 24, 2016 Redesigned PCB rev 2.0
27 August 2019
- 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
5 August 2019
- 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
31 July 2019
- 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
30 July 2019
- 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!
22 July 2019
- 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
21 June 2019
- 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!
11 June 2019
- 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