Zon ZX-81 Programmable Sound Generator expansion for ZX81PLUS35 with working SD-Card: Revision history

5 April 2022

• curprev 18:2218:22, 5 April 2022‎ Mahjongg talk contribs‎ 16,853 bytes −2‎ No edit summary
• curprev 13:3413:34, 5 April 2022‎ Mahjongg talk contribs‎ 16,855 bytes +241‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 13:2613:26, 5 April 2022‎ Mahjongg talk contribs‎ 16,614 bytes +695‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 13:1413:14, 5 April 2022‎ Mahjongg talk contribs‎ 15,919 bytes 0‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 13:1313:13, 5 April 2022‎ Mahjongg talk contribs‎ 15,919 bytes +1‎ No edit summary
• curprev 12:5412:54, 5 April 2022‎ Mahjongg talk contribs‎ m 15,918 bytes 0‎ 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...
• curprev 12:5312:53, 5 April 2022‎ Mahjongg talk contribs‎ 15,918 bytes +27‎ No edit summary

30 March 2022

• curprev 19:3019:30, 30 March 2022‎ Mahjongg talk contribs‎ 15,891 bytes +122‎ →‎Wednesday March 30 2022 BOM ready
• curprev 19:2619:26, 30 March 2022‎ Mahjongg talk contribs‎ 15,769 bytes −17‎ →‎Monday March 28 2022 Layout ready of rev 2.2

29 March 2022

• curprev 01:2301:23, 29 March 2022‎ Mahjongg talk contribs‎ m 15,786 bytes +57‎ →‎Monday March 28 2022 Layout ready of rev 2.2

28 March 2022

• curprev 18:3118:31, 28 March 2022‎ Mahjongg talk contribs‎ 15,729 bytes +107‎ →‎Monday March 28 2022 Layout ready of rev 2.2
• curprev 17:3217:32, 28 March 2022‎ Mahjongg talk contribs‎ 15,622 bytes +205‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 17:2917:29, 28 March 2022‎ Mahjongg talk contribs‎ 15,417 bytes +16‎ No edit summary
• curprev 05:5905:59, 28 March 2022‎ Mahjongg talk contribs‎ 15,401 bytes +50‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 05:5705:57, 28 March 2022‎ Mahjongg talk contribs‎ 15,351 bytes +11‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 05:5605:56, 28 March 2022‎ Mahjongg talk contribs‎ 15,340 bytes +426‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 05:4705:47, 28 March 2022‎ Mahjongg talk contribs‎ 14,914 bytes +487‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 05:3905:39, 28 March 2022‎ Mahjongg talk contribs‎ 14,427 bytes +33‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2

23 March 2022

• curprev 03:0203:02, 23 March 2022‎ Mahjongg talk contribs‎ 14,394 bytes +88‎ →‎March 23, 2022 added Thomas patches to rev2.1 created revision 2.2
• curprev 03:0003:00, 23 March 2022‎ Mahjongg talk contribs‎ 14,306 bytes +575‎ →‎March 16, 2022 have the details from Thomas

16 March 2022

• curprev 23:1823:18, 16 March 2022‎ Mahjongg talk contribs‎ 13,731 bytes +187‎ →‎March 16, 2022 have the details from Thomas
• curprev 22:1422:14, 16 March 2022‎ Mahjongg talk contribs‎ 13,544 bytes +1‎ →‎March 16, 2022 have the details from Thomas
• curprev 17:3317:33, 16 March 2022‎ Mahjongg talk contribs‎ 13,543 bytes +76‎ →‎March 16, 2022 have the details from Thomas
• curprev 17:3217:32, 16 March 2022‎ Mahjongg talk contribs‎ 13,467 bytes +1,340‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working

15 March 2022

• curprev 18:1018:10, 15 March 2022‎ Mahjongg talk contribs‎ 12,127 bytes +422‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working
• curprev 18:0218:02, 15 March 2022‎ Mahjongg talk contribs‎ 11,705 bytes +21‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working
• curprev 18:0118:01, 15 March 2022‎ Mahjongg talk contribs‎ 11,684 bytes +351‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working
• curprev 17:5617:56, 15 March 2022‎ Mahjongg talk contribs‎ 11,333 bytes +6‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working
• curprev 17:5517:55, 15 March 2022‎ Mahjongg talk contribs‎ 11,327 bytes +218‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working
• curprev 17:5217:52, 15 March 2022‎ Mahjongg talk contribs‎ 11,109 bytes +12‎ →‎15 march 2022, great news a PSG board builder has gotten the SD-card interface working
• curprev 17:5117:51, 15 March 2022‎ Mahjongg talk contribs‎ 11,097 bytes +501‎ →‎29 October 2019, PSG board rev 2.1 component overview

29 October 2019

• curprev 18:3518:35, 29 October 2019‎ Mahjongg talk contribs‎ 10,596 bytes +129‎ →‎25 October 2019, PSG board tested and works!

25 October 2019

• curprev 12:2312:23, 25 October 2019‎ Mahjongg talk contribs‎ m 10,467 bytes 0‎ 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
• curprev 12:2212:22, 25 October 2019‎ Mahjongg talk contribs‎ m 10,467 bytes +1‎ No edit summary
• curprev 12:2112:21, 25 October 2019‎ Mahjongg talk contribs‎ 10,466 bytes +99‎ →‎25 October 2019, PSG board tested and works!
• curprev 12:2012:20, 25 October 2019‎ Mahjongg talk contribs‎ 10,367 bytes +181‎ →‎23 October 2019, repaired definition 74LS02
• curprev 12:1712:17, 25 October 2019‎ Mahjongg talk contribs‎ m 10,186 bytes +1‎ →‎23 October 2019, repaired definition 74LS02

22 October 2019

• curprev 22:3122:31, 22 October 2019‎ Mahjongg talk contribs‎ 10,185 bytes +35‎ →‎23 October 2019, repaired definition 74LS02
• curprev 22:2122:21, 22 October 2019‎ Mahjongg talk contribs‎ 10,150 bytes +57‎ →‎23 October 2019, repaired definition 74LS02
• curprev 22:1522:15, 22 October 2019‎ Mahjongg talk contribs‎ 10,093 bytes +6‎ →‎23 October 2019, repaired definition 74LS02
• curprev 22:1422:14, 22 October 2019‎ Mahjongg talk contribs‎ 10,087 bytes +39‎ →‎23 October 2019, repaired definition 74LS02
• curprev 22:0922:09, 22 October 2019‎ Mahjongg talk contribs‎ 10,048 bytes +103‎ →‎20 October 2019, realized the 74LS02 NOR ports are defined wrong!

19 October 2019

• curprev 23:5723:57, 19 October 2019‎ Mahjongg talk contribs‎ 9,945 bytes +6‎ →‎20 October 2019, realized the 74LS02 NOR ports are defined wrong!
• curprev 23:5623:56, 19 October 2019‎ Mahjongg talk contribs‎ 9,939 bytes +346‎ →‎8 November 2016 Layout fully routed

8 November 2016

• curprev 21:5521:55, 8 November 2016‎ Mahjongg talk contribs‎ 9,593 bytes −11‎ →‎1 November 2016 Layout fully routed

2 November 2016

• curprev 23:0123:01, 2 November 2016‎ Mahjongg talk contribs‎ 9,604 bytes +3‎ →‎Revision 1.6, decided upon a DM3D Push-Pull micro-SD card reader
• curprev 23:0023:00, 2 November 2016‎ Mahjongg talk contribs‎ 9,601 bytes +3‎ →‎Revision 1.5 with multiple PSG board support
• curprev 23:0023:00, 2 November 2016‎ Mahjongg talk contribs‎ 9,598 bytes +3‎ →‎Revision 1.4 with level shifting resistor dividers
• curprev 23:0023:00, 2 November 2016‎ Mahjongg talk contribs‎ 9,595 bytes +3‎ →‎second final version, with sd-card interface
• curprev 22:5922:59, 2 November 2016‎ Mahjongg talk contribs‎ 9,592 bytes +3‎ →‎first final version, without sd-card interface