User contributions for Mahjongg
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31 August 2022
- 00:4600:46, 31 August 2022 diff hist +66 ZX81plus38 simple to build ZX-81 clone →Tuesday August 31, 2022 keyboard works!
- 00:4200:42, 31 August 2022 diff hist 0 N File:Cabling.JPG No edit summary current
- 00:0000:00, 31 August 2022 diff hist +7 ZX81plus38 simple to build ZX-81 clone →Tuesday August 31, 2022 keyboard works!
- 00:0000:00, 31 August 2022 diff hist +23 ZX81plus38 simple to build ZX-81 clone →Tuesday August 31, 2022 keyboard works!
30 August 2022
- 23:5823:58, 30 August 2022 diff hist +471 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 23:4523:45, 30 August 2022 diff hist 0 N File:Success!.JPG No edit summary current
- 16:3116:31, 30 August 2022 diff hist +48 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 16:3016:30, 30 August 2022 diff hist −48 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 16:2416:24, 30 August 2022 diff hist 0 File:ZX81+38 keyboard PCB preview.png Mahjongg uploaded a new version of File:ZX81+38 keyboard PCB preview.png
- 16:0716:07, 30 August 2022 diff hist +39 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 16:0616:06, 30 August 2022 diff hist −39 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 16:0416:04, 30 August 2022 diff hist 0 File:ZX-81Keyboard color.png Mahjongg uploaded a new version of File:ZX-81Keyboard color.png
- 15:5715:57, 30 August 2022 diff hist 0 File:ZX-81Keyboard color.pdf Mahjongg uploaded a new version of File:ZX-81Keyboard color.pdf
- 00:4500:45, 30 August 2022 diff hist +253 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:4200:42, 30 August 2022 diff hist +547 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:2300:23, 30 August 2022 diff hist +7 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:2300:23, 30 August 2022 diff hist +74 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 00:2100:21, 30 August 2022 diff hist +130 N File:ZX81+38 keyboard PCB preview.png Keyboard PCB for ZX81+38 Single sided PCB with only copper on top side. PCB will fit in the rectangular indentation
28 August 2022
- 18:4718:47, 28 August 2022 diff hist −1 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4718:47, 28 August 2022 diff hist 0 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4618:46, 28 August 2022 diff hist +41 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4518:45, 28 August 2022 diff hist 0 N File:ZX-81Keyboard color.png No edit summary
- 18:4118:41, 28 August 2022 diff hist +2 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4118:41, 28 August 2022 diff hist +32 ZX81plus38 simple to build ZX-81 clone →Sunday August 28, 2022 Started designing the ZX81+38 Keyboard PCB
- 18:4018:40, 28 August 2022 diff hist +26 N File:ZX-81Keyboard color.pdf revision 1.0
- 18:3818:38, 28 August 2022 diff hist +105 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
23 August 2022
- 23:4923:49, 23 August 2022 diff hist +187 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 23:4623:46, 23 August 2022 diff hist +264 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 23:4223:42, 23 August 2022 diff hist 0 N File:Keyboard with rainbow coloured cablels.JPG No edit summary current
- 21:4221:42, 23 August 2022 diff hist +86 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 21:4021:40, 23 August 2022 diff hist 0 N File:The back of the in height reduced keyboard PCB with matrix wiring.JPG No edit summary current
- 21:3621:36, 23 August 2022 diff hist +165 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 21:2621:26, 23 August 2022 diff hist +128 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 21:2421:24, 23 August 2022 diff hist 0 N File:Cut one row more is needed.JPG No edit summary current
- 20:2220:22, 23 August 2022 diff hist 0 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 20:2120:21, 23 August 2022 diff hist −56 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Modify prototype keyboard to fit on top of ZX-81
- 20:2020:20, 23 August 2022 diff hist +177 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Repaired joystick logic in revision 1.9
- 20:1620:16, 23 August 2022 diff hist 0 N File:ZXkeyboard on top of ZX-81.JPG No edit summary current
- 20:1120:11, 23 August 2022 diff hist +383 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Repaired joystick logic in revision 1.9
- 15:4015:40, 23 August 2022 diff hist +68 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 15:3415:34, 23 August 2022 diff hist +84 ZX81plus38 simple to build ZX-81 clone →August 23, 2022 Repaired joystick logic in revision 1.9
- 15:3215:32, 23 August 2022 diff hist −5 ZX81plus38 simple to build ZX-81 clone No edit summary
- 15:3115:31, 23 August 2022 diff hist +5 ZX81plus38 simple to build ZX-81 clone No edit summary
- 15:3015:30, 23 August 2022 diff hist +31 N File:PCB Preview ZX81+38 rev 1,9 top.png Lates PCB preview current
- 14:4314:43, 23 August 2022 diff hist +476 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally re-started building my own copy
- 14:3314:33, 23 August 2022 diff hist +166 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 14:3014:30, 23 August 2022 diff hist +48 N File:ZX81+38 rev 1.9 component placement.png added RN3 resistor network 5 x 10K
- 13:5413:54, 23 August 2022 diff hist +38 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 13:5113:51, 23 August 2022 diff hist 0 File:ZX81plus38rev1,9.png Mahjongg uploaded a new version of File:ZX81plus38rev1,9.png
- 13:4413:44, 23 August 2022 diff hist +100 N File:ZX81plus38rev1,9.png picture version (.PNG medium quality) of revision 1.9 with improved joystick circuitry
- 13:3113:31, 23 August 2022 diff hist +80 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 13:3013:30, 23 August 2022 diff hist +115 N File:ZX81plus38rev1,9.pdf revision 1.9 has revised joystick circuitry, with R23 = 1K and 10K pulldowns on bases of transistors.
22 August 2022
- 16:0316:03, 22 August 2022 diff hist −103 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 15:5915:59, 22 August 2022 diff hist +70 ZX81plus38 simple to build ZX-81 clone →August 22, 2022 Tests reveal joystick logic not working
- 15:5115:51, 22 August 2022 diff hist +1,686 ZX81plus38 simple to build ZX-81 clone →August 10, 2022 its working, but have yet to connect the keyboard
9 August 2022
- 23:5323:53, 9 August 2022 diff hist +289 ZX81plus38 simple to build ZX-81 clone →August 10, 2022 its working, but have yet to connect the keyboard
- 23:4123:41, 9 August 2022 diff hist +629 ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, I'm missing one HC IC
2 August 2022
- 22:5722:57, 2 August 2022 diff hist −1 m ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, I'm missing one HC IC
- 22:5622:56, 2 August 2022 diff hist +79 ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, Iḿ missing one IC
- 22:5222:52, 2 August 2022 diff hist +426 ZX81plus38 simple to build ZX-81 clone →August 3, 2022 bad luck, Iḿ missing one IC
- 22:4222:42, 2 August 2022 diff hist +859 ZX81plus38 simple to build ZX-81 clone →July 26, 2022 Updated all revision 1.8 files on GitHub
26 July 2022
- 18:1318:13, 26 July 2022 diff hist +123 ZX81plus38 simple to build ZX-81 clone →July 26, 2022 Updated all revision 1.8 files on GitHub
- 14:0014:00, 26 July 2022 diff hist +143 ZX81plus38 simple to build ZX-81 clone →July 26, 2022 Updated all revision 1.8 files on GitHub
- 13:5613:56, 26 July 2022 diff hist +358 ZX81plus38 simple to build ZX-81 clone →July 23 2022 JP1 has become unchangeable in rev 1.7
24 July 2022
- 20:2020:20, 24 July 2022 diff hist +3,593 User:Mahjongg No edit summary current
23 July 2022
- 20:1420:14, 23 July 2022 diff hist +412 ZX81plus38 simple to build ZX-81 clone →July 19, That wasn't it
21 July 2022
- 14:3714:37, 21 July 2022 diff hist +20 m ZX81plus38 simple to build ZX-81 clone →July 10, 2022 updated rev 1.7 schematic, Gerber/drill and placement drawing
- 14:3614:36, 21 July 2022 diff hist +1,019 ZX81plus38 simple to build ZX-81 clone →July 15, I have an idea why the first test didn't work
15 July 2022
- 12:4712:47, 15 July 2022 diff hist +4 m ZX81plus38 simple to build ZX-81 clone →July 15, I have an idea why the first test didn't work
- 12:4712:47, 15 July 2022 diff hist +2 m ZX81plus38 simple to build ZX-81 clone →July 15, Have an idea why the first test didn't work
- 12:4612:46, 15 July 2022 diff hist +543 ZX81plus38 simple to build ZX-81 clone →July 14, 2022 Updated the layout with correction of NPTH holes and USB connector positions
14 July 2022
- 00:0700:07, 14 July 2022 diff hist +15 m ZX81plus38 simple to build ZX-81 clone →July 14, 2022 Updated the layout with correction of NPTH holes and USB connector positions
- 00:0600:06, 14 July 2022 diff hist +2,294 ZX81plus38 simple to build ZX-81 clone →July 10, 2022 updated rev 1.7 schematic, Gerber/drill and placement drawing
10 July 2022
- 15:3215:32, 10 July 2022 diff hist +74 ZX81plus38 simple to build ZX-81 clone →July 10, 2022 updated rev 1.7 schematic, Gerber/drill and placement drawing
- 15:3015:30, 10 July 2022 diff hist 0 N File:ZX81+38 rev 1.8component placement.png No edit summary current
- 15:2715:27, 10 July 2022 diff hist +53 ZX81plus38 simple to build ZX-81 clone →July 10, 2022 updated rev 1.7 schematic, Gerber/drill and placement drawing
- 15:2515:25, 10 July 2022 diff hist 0 File:ZX81plus38Rev1,8.png Mahjongg uploaded a new version of File:ZX81plus38Rev1,8.png current
- 15:1915:19, 10 July 2022 diff hist 0 N File:ZX81plus38Rev1,8.png No edit summary
- 15:1815:18, 10 July 2022 diff hist +150 ZX81plus38 simple to build ZX-81 clone →July 6, 2022 I made an observation while building up my copy of the ZX81+38 that shook me
- 15:1415:14, 10 July 2022 diff hist +82 N File:ZX81plus38Rev1,8.pdf changed all logic to HC, add clock inverter using unused half of U18 current
6 July 2022
- 18:3418:34, 6 July 2022 diff hist +36 m ZX81plus38 simple to build ZX-81 clone →July 6, 2022 I made an observation while building up my copy of the ZX81+38 that shook me
- 17:4217:42, 6 July 2022 diff hist +103 ZX81plus38 simple to build ZX-81 clone →July 6, 2022 I made an observation while building up my copy of the ZX81+38 that shook me
- 17:2717:27, 6 July 2022 diff hist +3,466 ZX81plus38 simple to build ZX-81 clone →June 29, 2022 The crystal oscillator is working!
29 June 2022
- 00:4800:48, 29 June 2022 diff hist 0 ZX81plus38 simple to build ZX-81 clone →June 29, 2022 The crystal oscillator is working!
28 June 2022
- 23:2923:29, 28 June 2022 diff hist +174 ZX81plus38 simple to build ZX-81 clone →June 29, 2022 The crystal oscillator is working!
- 23:2723:27, 28 June 2022 diff hist +14 ZX81plus38 simple to build ZX-81 clone →The crystal oscillator is working!
- 23:2623:26, 28 June 2022 diff hist +63 ZX81plus38 simple to build ZX-81 clone →The crystal oscillator is working!
- 23:0923:09, 28 June 2022 diff hist 0 ZX81plus38 simple to build ZX-81 clone →The crystal oscillator is working!
- 23:0823:08, 28 June 2022 diff hist +47 N File:P1030120.JPG Better picture plus using PCBites current
- 22:5922:59, 28 June 2022 diff hist 0 File:P1030119.JPG Mahjongg uploaded a new version of File:P1030119.JPG current
- 22:5822:58, 28 June 2022 diff hist −48 ZX81plus38 simple to build ZX-81 clone →The crystal oscillator is working!
- 22:5722:57, 28 June 2022 diff hist +66 N File:P1030119.JPG A picture showing measuring the 13MHz crystal signal
- 22:5422:54, 28 June 2022 diff hist +7 ZX81plus38 simple to build ZX-81 clone →The crystal oscillator is working!
- 22:5222:52, 28 June 2022 diff hist −2 ZX81plus38 simple to build ZX-81 clone →The crystal oscillator is working!
- 22:5222:52, 28 June 2022 diff hist +108 ZX81plus38 simple to build ZX-81 clone →It happened I uploaded all ZX81+38 revision 1.7 files to GitHub
23 June 2022
- 17:0617:06, 23 June 2022 diff hist +638 ZX81plus38 simple to build ZX-81 clone →juni 22 2022, got a free Xtal and 74HCU04, Finished Revision 1.7
22 June 2022
- 21:3521:35, 22 June 2022 diff hist 0 m ZX81plus38 simple to build ZX-81 clone →juni 22 2022, got a free Xtal and 74HCU04, Finished Revision 1.7
- 21:3021:30, 22 June 2022 diff hist +78 ZX81plus38 simple to build ZX-81 clone →juni 22 2022, got a free Xtal and 74HCU04, Finished Revision 1.7
- 21:2921:29, 22 June 2022 diff hist +74 N File:ZX81+38 rev 1.7 component placement.png Updated version with U21 = 74HC04 ,rotated J3 and R21 = 330R current
- 20:2720:27, 22 June 2022 diff hist +41 ZX81plus38 simple to build ZX-81 clone →juni 22 2022, got a free Xtal and 74HCU04, Finished Revision 1.7
- 20:2620:26, 22 June 2022 diff hist 0 N File:ZX81plus38 Rev 1,7-resized.png No edit summary current
- 20:0320:03, 22 June 2022 diff hist +1 m ZX81plus38 simple to build ZX-81 clone →juni 22 2022, got a free Xtal and 74HCU04, Finished Revision 1.7
- 19:3519:35, 22 June 2022 diff hist +36 N File:ZX81plus38 Rev 1,7-1.png rev 1.7 as PNG picture current
- 19:2919:29, 22 June 2022 diff hist +59 ZX81plus38 simple to build ZX-81 clone →juni 22 2022, got a free Xtal and 74HCU04, Finished Revision 1.7
- 19:2719:27, 22 June 2022 diff hist +94 N File:ZX81plus38 Rev 1,7.pdf schematic revision 1.7 with various updates, see bottom right block of schematic current
- 19:2519:25, 22 June 2022 diff hist +2,237 ZX81plus38 simple to build ZX-81 clone →juni 7 2022, still have crystal oscilator problems for my own copy
8 June 2022
- 15:2815:28, 8 June 2022 diff hist −1 m ZX81plus38 simple to build ZX-81 clone →May 24, 2020 slowly making progress
- 15:2715:27, 8 June 2022 diff hist +568 ZX81plus38 simple to build ZX-81 clone →juni 1 2022, crystal oscilator is working!
1 June 2022
- 18:5518:55, 1 June 2022 diff hist +74 ZX81plus38 simple to build ZX-81 clone →juni 1 2022, crystal oscilator is working!
- 18:5318:53, 1 June 2022 diff hist +1 m ZX81plus38 simple to build ZX-81 clone →juni 1 2022, crystal oscilator is working!
- 18:5218:52, 1 June 2022 diff hist +458 ZX81plus38 simple to build ZX-81 clone →juni 1 2022, crystal oscilator is working!
- 17:2417:24, 1 June 2022 diff hist +222 m ZX81plus38 simple to build ZX-81 clone →juni 1 2022, crystal oscilator is working!
- 17:2017:20, 1 June 2022 diff hist +766 ZX81plus38 simple to build ZX-81 clone →junu 1 2022, crystal oscilator is working!
- 17:0917:09, 1 June 2022 diff hist +6 m ZX81plus38 simple to build ZX-81 clone No edit summary
- 13:1013:10, 1 June 2022 diff hist +96 ZX81plus38 simple to build ZX-81 clone →May 24, 2020 slowly making progress
25 May 2022
- 02:5402:54, 25 May 2022 diff hist +4 m ZX81plus38 simple to build ZX-81 clone →May 24, 2020 slowly making progress
- 01:4401:44, 25 May 2022 diff hist +186 m ZX81plus38 simple to build ZX-81 clone →May 24, 2020 slowly making progress
- 01:4201:42, 25 May 2022 diff hist +14 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 01:4101:41, 25 May 2022 diff hist +54 ZX81plus38 simple to build ZX-81 clone →May 24, 2020 slowly making progress
- 01:4001:40, 25 May 2022 diff hist +3,214 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
4 May 2022
- 13:3513:35, 4 May 2022 diff hist +2 ZX81plus38 simple to build ZX-81 clone →April 17, 2022 I Produced a component placement diagram for rev 1.6
- 13:3513:35, 4 May 2022 diff hist +3 m ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 13:3413:34, 4 May 2022 diff hist +8 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 13:3313:33, 4 May 2022 diff hist +296 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 13:2913:29, 4 May 2022 diff hist +986 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 13:1813:18, 4 May 2022 diff hist +442 N File:Rom pinouts for ZX81+38 resized.png drawing explaining three kinds of ROM's that can be fit into the ZX81+38 ROM socket, the three options are: Original ZX-81 ROM a 27C256 OTP (default choice) a 28C256 if you expect you will need to change to contents of the ROM regularly reference the... current
3 May 2022
- 19:4819:48, 3 May 2022 diff hist −1 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 19:4719:47, 3 May 2022 diff hist +310 ZX81plus38 simple to build ZX-81 clone →May 3, 2022 After more than two year of covid related delay I finally built my own copy
- 19:3319:33, 3 May 2022 diff hist +36 N File:Opgebouwd.JPG Zonder geplaatste IC's current
- 19:2719:27, 3 May 2022 diff hist +340 ZX81plus38 simple to build ZX-81 clone →April 17, 2022 I Produced a component placement diagram for rev 1.6
18 April 2022
- 17:2217:22, 18 April 2022 diff hist +1 m ZX81plus38 simple to build ZX-81 clone →April 17, 2022 I Produced a component placement diagram for rev 1.6
- 17:1617:16, 18 April 2022 diff hist +41 ZX81plus38 simple to build ZX-81 clone →April 17, 2022 I Produced a component placement diagram for rev 1.6
- 17:1317:13, 18 April 2022 diff hist +4 m ZX81plus38 simple to build ZX-81 clone →April 17, 2022 Produced component placement diagram for rev 1.6
17 April 2022
- 21:5421:54, 17 April 2022 diff hist +2 m ZX81plus38 simple to build ZX-81 clone →April 17, 2022 Produced component placement diagram for rev 1.6
- 21:5121:51, 17 April 2022 diff hist +58 N File:ZX81+38 rev .6 component placement.png Mahjongg moved page File:ZX81+38 rev .6 component placement.png to File:ZX81+38 rev 1.6 component placement.png: renaming to rev 1.6 instead of .6 current Tag: New redirect
- 21:5121:51, 17 April 2022 diff hist 0 m File:ZX81+38 rev 1.6 component placement.png Mahjongg moved page File:ZX81+38 rev .6 component placement.png to File:ZX81+38 rev 1.6 component placement.png: renaming to rev 1.6 instead of .6 current
- 21:4921:49, 17 April 2022 diff hist +743 ZX81plus38 simple to build ZX-81 clone →April 17, 2022 Produced component placement diagram for rev 1.6
- 21:4121:41, 17 April 2022 diff hist +71 ZX81plus38 simple to build ZX-81 clone →26 november 2020, I found a suitable soldering iron at home
- 21:3621:36, 17 April 2022 diff hist +61 N File:ZX81+38 rev 1.6 component placement.png component placement drawing for ZX81+38 rev 1.6
12 April 2022
- 16:5616:56, 12 April 2022 diff hist 0 Mahjongg arrrgh
- 16:5516:55, 12 April 2022 diff hist +1 Mahjongg No edit summary
- 16:5416:54, 12 April 2022 diff hist +73 N ZONX81plus4 PSG Board with sd-card interface for the ZX-81 Mahjongg moved page ZONX81plus4 PSG Board with sd-card interface for the ZX-81 to ZONX81plus41 PSG Board with sd-card interface for the ZX-81: plus 41 not plus 4 current Tag: New redirect
- 16:5416:54, 12 April 2022 diff hist 0 m ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub Mahjongg moved page ZONX81plus4 PSG Board with sd-card interface for the ZX-81 to ZONX81plus41 PSG Board with sd-card interface for the ZX-81: plus 41 not plus 4
- 16:5316:53, 12 April 2022 diff hist +8 Mahjongg No edit summary
- 16:5116:51, 12 April 2022 diff hist +72 N ZONX81plus4 PSG Board with sd-card interface Mahjongg moved page ZONX81plus4 PSG Board with sd-card interface to ZONX81plus4 PSG Board with sd-card interface for the ZX-81: explained it is for a real ZX-81 (or my zx81+38 clone) current Tag: New redirect
- 16:5116:51, 12 April 2022 diff hist 0 m ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub Mahjongg moved page ZONX81plus4 PSG Board with sd-card interface to ZONX81plus4 PSG Board with sd-card interface for the ZX-81: explained it is for a real ZX-81 (or my zx81+38 clone)
- 16:4716:47, 12 April 2022 diff hist −45 Mahjongg No edit summary
- 16:4416:44, 12 April 2022 diff hist −58 S Blanked the page current Tag: Blanking
- 16:4316:43, 12 April 2022 diff hist +58 N S Mahjongg moved page S to ZONX81plus4 PSG Board with sd-card interface: renaming of product Tag: New redirect
- 16:4316:43, 12 April 2022 diff hist 0 m ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub Mahjongg moved page S to ZONX81plus4 PSG Board with sd-card interface: renaming of product
- 16:4116:41, 12 April 2022 diff hist +25 N Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones Mahjongg moved page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones to ZONX81plus4 current Tag: New redirect
- 16:4116:41, 12 April 2022 diff hist 0 m ZONX81plus4 Mahjongg moved page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones to ZONX81plus4 current
- 16:4116:41, 12 April 2022 diff hist +15 N ZONX81plus4 Mahjongg moved page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones to S Tag: New redirect
- 16:4116:41, 12 April 2022 diff hist 0 m ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub Mahjongg moved page Zon ZX-81 compatible PSG + 32K RAM and SD-Card interface expansion for ZX-81 and clones to S
- 16:3916:39, 12 April 2022 diff hist −5 Mahjongg No edit summary
- 16:3816:38, 12 April 2022 diff hist +1 Mahjongg No edit summary
- 16:3616:36, 12 April 2022 diff hist +2 Mahjongg No edit summary
- 16:3416:34, 12 April 2022 diff hist +1,662 Mahjongg No edit summary
- 16:0416:04, 12 April 2022 diff hist −3 m Repair PET2001 AKA CMB 3032 No edit summary current
- 16:0416:04, 12 April 2022 diff hist +1 Repair PET2001 AKA CMB 3032 status = completed
5 April 2022
- 18:5318:53, 5 April 2022 diff hist +82 ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub No edit summary
- 18:2218:22, 5 April 2022 diff hist −2 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card No edit summary current
- 18:1818:18, 5 April 2022 diff hist 0 m ZX81PLUS35 ZX81 clone No edit summary current
- 18:1818:18, 5 April 2022 diff hist −3 ZX81PLUS35 ZX81 clone No edit summary
- 18:1418:14, 5 April 2022 diff hist +7 m Galaksija →March 9, schematic revision 1.0 finished, plus placement of components current
- 18:1318:13, 5 April 2022 diff hist +1 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 18:1118:11, 5 April 2022 diff hist −4 Galaksija No edit summary
- 18:0818:08, 5 April 2022 diff hist +414 ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub →April 5, 20222 Decided on a name for this product
- 17:1817:18, 5 April 2022 diff hist +224 ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub No edit summary
- 13:3413:34, 5 April 2022 diff hist +241 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 13:2613:26, 5 April 2022 diff hist +695 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 13:1413:14, 5 April 2022 diff hist 0 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 13:1313:13, 5 April 2022 diff hist +1 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card No edit summary
- 12:5412:54, 5 April 2022 diff hist +98 N Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 Mahjongg moved page Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 to Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card: Managed to get the SD-card interface working, and with menu driven firm... current Tag: New redirect
- 12:5412:54, 5 April 2022 diff hist 0 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card Mahjongg moved page Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 to Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card: Managed to get the SD-card interface working, and with menu driven firm...
- 12:5312:53, 5 April 2022 diff hist +27 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card No edit summary
30 March 2022
- 19:3019:30, 30 March 2022 diff hist +122 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Wednesday March 30 2022 BOM ready
- 19:2719:27, 30 March 2022 diff hist 0 N File:PSG sound expansion BOM.pdf No edit summary current
- 19:2619:26, 30 March 2022 diff hist −17 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Monday March 28 2022 Layout ready of rev 2.2
29 March 2022
- 01:2301:23, 29 March 2022 diff hist +57 m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Monday March 28 2022 Layout ready of rev 2.2
28 March 2022
- 18:3118:31, 28 March 2022 diff hist +107 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →Monday March 28 2022 Layout ready of rev 2.2
- 18:2918:29, 28 March 2022 diff hist +40 N File:Layout sound expansion rev2.2 component overview.png updated component overview current
- 17:3217:32, 28 March 2022 diff hist +205 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 17:2917:29, 28 March 2022 diff hist +16 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card No edit summary
- 17:2817:28, 28 March 2022 diff hist 0 N File:ZON compatiible PSG with SD-Card interface rev 2.2.PNG No edit summary current
- 05:5905:59, 28 March 2022 diff hist +50 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 05:5705:57, 28 March 2022 diff hist +11 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 05:5605:56, 28 March 2022 diff hist +426 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 05:4705:47, 28 March 2022 diff hist +487 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 05:3905:39, 28 March 2022 diff hist +33 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 05:3705:37, 28 March 2022 diff hist +28 N File:PSG with sd-card interface for ZX81plus35 REV 2.2.png as png picture current
23 March 2022
- 03:0203:02, 23 March 2022 diff hist +88 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
- 03:0003:00, 23 March 2022 diff hist +575 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 16, 2022 have the details from Thomas
- 02:5002:50, 23 March 2022 diff hist +121 N File:PSG with sd-card interface for ZX81plus35 REV 2.2.pdf New version with corrected 74HCT02 but also with the changes to the SD-CARD interface that makes it working current
21 March 2022
- 23:0123:01, 21 March 2022 diff hist +48 m ZX81PLUS35 ZX81 clone bridge too far
- 22:5822:58, 21 March 2022 diff hist +26 ZX81PLUS35 ZX81 clone →May 21, 2022 revision 4.2 supports 16K ROM space
- 22:5622:56, 21 March 2022 diff hist +1 m ZX81PLUS35 ZX81 clone →May 17, 2022 revision 4.2 supports 16K ROM space
- 17:3917:39, 21 March 2022 diff hist +4 ZX81PLUS35 ZX81 clone →May 17, 2022 revision 4.2 supports 16K ROM space
- 17:3817:38, 21 March 2022 diff hist +98 ZX81PLUS35 ZX81 clone →May 17, 2022 revision 4.2 supports 16K ROM space
- 17:3617:36, 21 March 2022 diff hist +70 ZX81PLUS35 ZX81 clone →May 17, 2022 revision 4.2 supports 16K ROM space
- 17:3417:34, 21 March 2022 diff hist +37 ZX81PLUS35 ZX81 clone →May 17, 2022 revision 4.2 supports 16K ROM space
- 17:3217:32, 21 March 2022 diff hist +66 N File:ZX81+35 REV 4.2 layout preview.PDF Top layer plus silk screen preview of ZX81+35 Rev4.2 current
- 17:3017:30, 21 March 2022 diff hist +1,279 ZX81PLUS35 ZX81 clone →May 16, 2022 Yes after the two year long corona crisis has happened I'm back
- 17:0717:07, 21 March 2022 diff hist +215 N File:ZX81+35 REV 4.2. schematic color.pdf Version suitable for PSG with SD-Card interface, with 16K ROM support (default) and with A13 & A14 corrected, swapped, on expansion port, also now with 0 (CPU) clock instead of 3.5MHz on expansion port current
16 March 2022
- 23:1823:18, 16 March 2022 diff hist +187 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 16, 2022 have the details from Thomas
- 23:0923:09, 16 March 2022 diff hist +254 ZX81PLUS35 ZX81 clone →May 16, 2022 Yes after the two year long corona crisis has happened I'm back
- 23:0623:06, 16 March 2022 diff hist +138 ZX81PLUS35 ZX81 clone →May 16, 2022 Yes after the corona crisis has happened I'm back
- 23:0123:01, 16 March 2022 diff hist +314 ZX81PLUS35 ZX81 clone →May 16, 2022 Yes after the corona crisis has happened I'm back
- 22:5422:54, 16 March 2022 diff hist +1,289 ZX81PLUS35 ZX81 clone →June 2020 I received news about errors in the latest gerber files
- 22:3822:38, 16 March 2022 diff hist +272 ZX81PLUS35 ZX81 clone →I'm considering designing a simplified (to build) version, based on an ULA replicate
- 22:2822:28, 16 March 2022 diff hist +40 N Talk:ZX81PLUS34 ZX81 clone Mahjongg moved page Talk:ZX81PLUS34 ZX81 clone to Talk:ZX81PLUS35 ZX81 clone: update to plus35 (year later version) current Tag: New redirect
- 22:2822:28, 16 March 2022 diff hist 0 m Talk:ZX81PLUS35 ZX81 clone Mahjongg moved page Talk:ZX81PLUS34 ZX81 clone to Talk:ZX81PLUS35 ZX81 clone: update to plus35 (year later version) current
- 22:2822:28, 16 March 2022 diff hist +35 N ZX81PLUS34 ZX81 clone Mahjongg moved page ZX81PLUS34 ZX81 clone to ZX81PLUS35 ZX81 clone: update to plus35 (year later version) current Tag: New redirect
- 22:2822:28, 16 March 2022 diff hist 0 m ZX81PLUS35 ZX81 clone Mahjongg moved page ZX81PLUS34 ZX81 clone to ZX81PLUS35 ZX81 clone: update to plus35 (year later version)
- 22:1422:14, 16 March 2022 diff hist +1 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 16, 2022 have the details from Thomas
- 17:3317:33, 16 March 2022 diff hist +76 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →March 16, 2022 have the details from Thomas
- 17:3217:32, 16 March 2022 diff hist +1,340 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
15 March 2022
- 20:5220:52, 15 March 2022 diff hist +13 ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub No edit summary
- 20:4920:49, 15 March 2022 diff hist 0 m ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub No edit summary
- 20:4920:49, 15 March 2022 diff hist +5 m ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub No edit summary
- 20:4820:48, 15 March 2022 diff hist +200 ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub No edit summary
- 20:4520:45, 15 March 2022 diff hist +770 N ZONX81plus41 PSG Board with sd-card interface for the ZX-81 now with rev 1.2 firmware on GitHub started with ZX-81 PSG expansion board
- 18:3218:32, 15 March 2022 diff hist +351 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 18:1018:10, 15 March 2022 diff hist +422 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
- 18:0218:02, 15 March 2022 diff hist +21 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
- 18:0118:01, 15 March 2022 diff hist +351 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
- 17:5617:56, 15 March 2022 diff hist +6 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
- 17:5517:55, 15 March 2022 diff hist +218 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
- 17:5217:52, 15 March 2022 diff hist +12 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →15 march 2022, great news a PSG board builder has gotten the SD-card interface working
- 17:5117:51, 15 March 2022 diff hist +501 Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card →29 October 2019, PSG board rev 2.1 component overview
- 17:4317:43, 15 March 2022 diff hist +154 N File:The hardware thomas used, not the various patches on the PSG board.jpg Thomas worked on my PSG board for the ZX-81+35 and used some patches, and his firmware in (expanded) ROM to get a SD-card interface working. current
- 17:4117:41, 15 March 2022 diff hist +115 N File:The OS menu, showing files you can download using the SD-card interface.jpeg A list of files (.ROM files) you can choose using the firmware with thomas sd-card interface software current
- 17:3817:38, 15 March 2022 diff hist +65 N File:Game loaded on zx-81+35 using the sd-card interface.jpeg thomas used his PSG clone board to load a game file current
- 01:3801:38, 15 March 2022 diff hist +77 Mahjongg No edit summary
9 March 2022
- 02:5002:50, 9 March 2022 diff hist +39 Galaksija →Resume working on it in February 2022
- 02:4502:45, 9 March 2022 diff hist +195 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 02:4202:42, 9 March 2022 diff hist +80 N File:PanGalaksija component placing rev1.0 Preliminary.png picture of preliminary component placement of PanGalaksija rev 1.0 current
- 02:3602:36, 9 March 2022 diff hist +250 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 02:3202:32, 9 March 2022 diff hist +61 N File:PanGalaksija-component placement rev 1.0.pdf component placement (quiet picture, so no pads) current
- 02:1802:18, 9 March 2022 diff hist +2 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 02:1802:18, 9 March 2022 diff hist +102 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 02:1702:17, 9 March 2022 diff hist +71 N File:PanGalaksija schematic Keys rev1.0.png This is the keyboard section of PanGalaksija revision 1.0 current
- 02:1502:15, 9 March 2022 diff hist +112 Galaksija →March 9, schematic revision 1.0 finished, plus placement of components
- 02:1302:13, 9 March 2022 diff hist +105 N File:PanGalaksija schematic main rev1.0.png first full schematic of PanGalaksija main-section revision 1.0. picture version of the .PDF current
- 02:0902:09, 9 March 2022 diff hist +419 Galaksija →February 28, slowly filling in parts in the schematic
- 02:0402:04, 9 March 2022 diff hist +40 File:PanGalaksija schematic rev1.0.pdf →Summary current
- 02:0302:03, 9 March 2022 diff hist +50 N File:PanGalaksija schematic rev1.0.pdf first full schematic main & keyboard
28 February 2022
- 02:3802:38, 28 February 2022 diff hist +1,431 Galaksija →February 17, laid out the keyboard section
- 02:2402:24, 28 February 2022 diff hist +139 m Galaksija →February 17, laid out the keyboard section
19 February 2022
- 12:1112:11, 19 February 2022 diff hist +172 Mahjongg started with my pangalksija