Bijdragen van Mahjongg

2 sep 2019

• 16:182 sep 2019 16:18 wijz gesch +160 N Bestand: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.
• 16:162 sep 2019 16:16 wijz gesch +160 N Bestand: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. laatste wijziging
• 16:142 sep 2019 16:14 wijz gesch +86 ZX81PLUS35 ZX81 clone →August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
• 12:252 sep 2019 12:25 wijz gesch +1 Designing the RhoCoCo Retro Home COlor COmputer hardware →Keyboard connections are not wrong, only spectrum, not ZX-81 compatible
• 12:242 sep 2019 12:24 wijz gesch +387 Designing the RhoCoCo Retro Home COlor COmputer hardware →Keyboard connections error discovered?
• 11:342 sep 2019 11:34 wijz gesch −12 ZX81PLUS35 ZX81 clone →August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
• 08:572 sep 2019 08:57 wijz gesch +846 ZX81PLUS35 ZX81 clone →August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay

29 aug 2019

• 14:3129 aug 2019 14:31 wijz gesch −33 ZX81PLUS35 ZX81 clone →August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
• 00:5129 aug 2019 00:51 wijz gesch 0 Designing the RhoCoCo Retro Home COlor COmputer hardware →April 24, 2016 Redesigned PCB rev 2.0
• 00:5029 aug 2019 00:50 wijz gesch +422 Designing the RhoCoCo Retro Home COlor COmputer hardware →April 24, 2016 Redesigned PCB rev 2.0

27 aug 2019

• 23:2127 aug 2019 23:21 wijz gesch +548 ZX81PLUS35 ZX81 clone →August 22, 2019 Started on the Keyboard PCB, compatible with the keyboard overlay
• 23:0227 aug 2019 23:02 wijz gesch +72 N Bestand:ZX-81 Keyboard PCB.pdf Schematic of ZX81+35 keyboard PCB for ZX81+35 revision 4.0 laatste wijziging
• 21:3927 aug 2019 21:39 wijz gesch +2 ZX81PLUS35 ZX81 clone Geen bewerkingssamenvatting
• 17:1527 aug 2019 17:15 wijz gesch +214 ZX81PLUS35 ZX81 clone →I'm considering designing a simplified (to build) version, based on an ULA replicate
• 17:1327 aug 2019 17:13 wijz gesch +41 ZX81PLUS35 ZX81 clone →I'm considering designing a simplified (to build) version, based on an ULA replicate
• 17:1227 aug 2019 17:12 wijz gesch +58 ZX81PLUS35 ZX81 clone →I'm considering designing a simplified (to build) version, based on an ULA replicate
• 17:0227 aug 2019 17:02 wijz gesch −40 k ZX81PLUS35 ZX81 clone →I'm considering designing a simplified (to build) version, based on an ULA replicate
• 13:2427 aug 2019 13:24 wijz gesch +1 ZX81PLUS35 ZX81 clone →I'm considering building a simplified (to build) version, based on an ULA replicate
• 13:2327 aug 2019 13:23 wijz gesch +16 k ZX81PLUS35 ZX81 clone →Started on the Keyboard PCB, compatible with the keyboard overlay
• 13:2227 aug 2019 13:22 wijz gesch +1.239 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 13:0027 aug 2019 13:00 wijz gesch +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"
• 12:5727 aug 2019 12:57 wijz gesch +54 N Bestand:Rhococo Retro HOme COlor Computer design specs .odt My first ideas about rhococo (in Dutch). laatste wijziging
• 12:4827 aug 2019 12:48 wijz gesch +57 Designing the RhoCoCo Retro Home COlor COmputer hardware Geen bewerkingssamenvatting
• 12:4527 aug 2019 12:45 wijz gesch +89 N Bestand:My Home Computer intro.odt My original thoughts about designing a retro home computer written in 2010. laatste wijziging
• 12:2627 aug 2019 12:26 wijz gesch −2 ZX81PLUS35 ZX81 clone →Inspirational sources used for the design of the ZX81+35
• 12:2527 aug 2019 12:25 wijz gesch −1 k ZX81PLUS35 ZX81 clone →Inspirational sources used for the design of the ZX81+35
• 12:2527 aug 2019 12:25 wijz gesch +1.295 ZX81PLUS35 ZX81 clone →Introduction to the ZX81+35

5 aug 2019

• 00:435 aug 2019 00:43 wijz gesch +154 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 00:405 aug 2019 00:40 wijz gesch +119 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 00:365 aug 2019 00:36 wijz gesch +191 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 00:335 aug 2019 00:33 wijz gesch +648 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 00:265 aug 2019 00:26 wijz gesch +262 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 00:225 aug 2019 00:22 wijz gesch +450 ZX81PLUS35 ZX81 clone →Its 2019 and I have decided to release my ZX81+35
• 00:135 aug 2019 00:13 wijz gesch +209 ZX81PLUS35 ZX81 clone →Keyboard for ZX81+34/35

31 jul 2019

• 13:0331 jul 2019 13:03 wijz gesch +24 ZX81PLUS35 ZX81 clone Geen bewerkingssamenvatting
• 13:0031 jul 2019 13:00 wijz gesch −2 ZX81PLUS35 ZX81 clone Geen bewerkingssamenvatting
• 12:5631 jul 2019 12:56 wijz gesch +427 ZX81PLUS35 ZX81 clone →2017 has arrived

30 jul 2019

• 22:4030 jul 2019 22:40 wijz gesch +69 ZX81PLUS35 ZX81 clone →Found basic, but major error in ZX81+35 Updating to rev 4.0
• 22:3730 jul 2019 22:37 wijz gesch +8 k ZX81PLUS35 ZX81 clone →On april 12, 2016 I was diagnosed with Sleep Apnea, which means I cannot drive a car!
• 22:3530 jul 2019 22:35 wijz gesch +3 k ZX81PLUS35 ZX81 clone →1/4/2016 ( = 4^0 / 4^1 / 4^2 ) Updated preview
• 22:2930 jul 2019 22:29 wijz gesch +1 k ZX81PLUS35 ZX81 clone →March 27 2016 designed a reasonably well working cassette input port
• 22:2730 jul 2019 22:27 wijz gesch +1 k ZX81PLUS35 ZX81 clone →March 23 2016 first attempt to get cassette port working
• 22:2330 jul 2019 22:23 wijz gesch +84 k Zx81plus34 →what now?
• 22:1630 jul 2019 22:16 wijz gesch −13 k Zx81plus34 →what to do? creating the first home computer is what he did!
• 22:1530 jul 2019 22:15 wijz gesch −2 k Zx81plus34 →what to do? creating the first home computer is what he did!

22 jul 2019

• 14:0522 jul 2019 14:05 wijz gesch +1.167 Bringing up Rhococo (first boot, and firmware development) →June 11, 2019 solved sd-card insertion crashes laatste wijziging

21 jun 2019

• 11:3421 jun 2019 11:34 wijz gesch −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
• 11:3321 jun 2019 11:33 wijz gesch −1 k Bringing up Rhococo (first boot, and firmware development) Geen bewerkingssamenvatting
• 11:3021 jun 2019 11:30 wijz gesch +1 k Bringing up Rhococo (first boot, and firmware development) →May 28, 2019 VGA driver works!

11 jun 2019

• 21:1311 jun 2019 21:13 wijz gesch +17 Bringing up Rhococo (first boot, and firmware development) →June 11, 2019 solved sd-card insertion crashes