User contributions for Mahjongg

25 October 2016

• 22:0722:07, 25 October 2016 diff hist +53‎ N File:Layout PSG for ZX81+35.png ‎ finished routing for ZON-X compatible PSG for ZX81+35

28 September 2016

• 07:5707:57, 28 September 2016 diff hist +8‎ m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector

27 September 2016

• 21:2021:20, 27 September 2016 diff hist −1‎ m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎No edit summary
• 21:1921:19, 27 September 2016 diff hist −1‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎My own (ZX81+35) version
• 21:1921:19, 27 September 2016 diff hist −2‎ m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎first final version, without sd-card interface
• 21:1821:18, 27 September 2016 diff hist 0‎ m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎second final version, with sd-card interface
• 21:1721:17, 27 September 2016 diff hist +4‎ m Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎second final version, with sd-card interface
• 21:1621:16, 27 September 2016 diff hist −1‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.4 with level shifting resistor dividers
• 21:1521:15, 27 September 2016 diff hist −1‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.5 with multiple PSG board support
• 21:1421:14, 27 September 2016 diff hist −1‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader
• 21:1421:14, 27 September 2016 diff hist −1‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 21:1121:11, 27 September 2016 diff hist +19‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 21:0821:08, 27 September 2016 diff hist +380‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 21:0121:01, 27 September 2016 diff hist +47‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 20:5820:58, 27 September 2016 diff hist +25‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 20:5720:57, 27 September 2016 diff hist 0‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 20:5720:57, 27 September 2016 diff hist +45‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 2.0 corrected rotation of expansion connector
• 20:5320:53, 27 September 2016 diff hist +49‎ N File:PSG for ZX81+35 REV 2.0.png ‎ version with corrected expansion port orientation
• 20:4720:47, 27 September 2016 diff hist +202‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎september 2016
• 20:4420:44, 27 September 2016 diff hist +71‎ N File:PSG for ZX81+35 REV 2.0.pdf ‎ version with corrected orientation (rotation) of expansion connector(s)

20 September 2016

• 21:0921:09, 20 September 2016 diff hist +1‎ m ZX81PLUS35 ZX81 clone ‎ →‎20 September 2016 Revision 4.0 is ready
• 21:0821:08, 20 September 2016 diff hist +331‎ ZX81PLUS35 ZX81 clone ‎ →‎20 September 2016 Revision 4.0 is ready
• 21:0021:00, 20 September 2016 diff hist +169‎ ZX81PLUS35 ZX81 clone ‎ →‎13 September 2016 Reached 100% connectivity
• 20:5120:51, 20 September 2016 diff hist +57‎ N File:Layout ZX81+35 Rev4.0 20 September 2016.png ‎ Re-layed-out with corrected expansion connector rotation.

13 September 2016

• 21:5921:59, 13 September 2016 diff hist 0‎ ZX81PLUS35 ZX81 clone ‎ →‎13 September 2016 Reached 100% connectivity
• 21:5921:59, 13 September 2016 diff hist +46‎ ZX81PLUS35 ZX81 clone ‎ →‎13 September 2016 Reached 100% connectivity
• 21:5821:58, 13 September 2016 diff hist +302‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0

5 September 2016

• 21:2621:26, 5 September 2016 diff hist +68‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0
• 21:2421:24, 5 September 2016 diff hist +13‎ m ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0
• 21:2121:21, 5 September 2016 diff hist −5‎ Magnavox Odyssey ‎No edit summary current
• 21:2121:21, 5 September 2016 diff hist −2‎ Magnavox Odyssey ‎ →‎September 2016
• 21:2121:21, 5 September 2016 diff hist +78‎ Magnavox Odyssey ‎No edit summary
• 21:1921:19, 5 September 2016 diff hist +100‎ Galaksija ‎No edit summary
• 21:1221:12, 5 September 2016 diff hist 0‎ ZX81PLUS35 ZX81 clone ‎ →‎This is how I envision what a ZX81+35 expansion board could look like
• 21:1221:12, 5 September 2016 diff hist +246‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0
• 21:0821:08, 5 September 2016 diff hist +5‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0
• 21:0721:07, 5 September 2016 diff hist +572‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35 Updating to rev 4.0
• 21:0021:00, 5 September 2016 diff hist +116‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎september 2016
• 20:5920:59, 5 September 2016 diff hist +221‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎september 2016
• 20:5620:56, 5 September 2016 diff hist +2‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎september 2016
• 20:5620:56, 5 September 2016 diff hist +493‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader

21 August 2016

• 23:4623:46, 21 August 2016 diff hist +20‎ ZX81PLUS35 ZX81 clone ‎ →‎Found basic, but major error in ZX81+35
• 23:4623:46, 21 August 2016 diff hist +1,066‎ ZX81PLUS35 ZX81 clone ‎ →‎Started design of my own PSG board
• 23:2423:24, 21 August 2016 diff hist +394‎ N File:ZX81+35 REV 4.0.pdf ‎ New schematic which has the edge connector rotated 180 degrees, to correspond with the layout which has to get the same correction to correspond to the original ZX81 which has pin 1 on the left hand side (bottom side for the ZX81+35) also the edge conn...

9 August 2016

• 20:5220:52, 9 August 2016 diff hist +45‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader
• 20:5020:50, 9 August 2016 diff hist 0‎ N File:PSG for ZX81+35 REV 1.6.png ‎No edit summary
• 20:2920:29, 9 August 2016 diff hist +26‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader
• 20:2720:27, 9 August 2016 diff hist +33‎ N File:PSG for ZX81+35 REV 1.6.pdf ‎ version with DM3D-SF card reader.
• 20:2420:24, 9 August 2016 diff hist +332‎ Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card ‎ →‎Revision 1.5 with multiple PSG board support

27 July 2016

• 18:3118:31, 27 July 2016 diff hist 0‎ File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png ‎ Mahjongg uploaded a new version of File:PSG for ZX81+35 REV 1.3 3D PREVIEW.png