Designing the RhoCoCo Retro Home COlor COmputer hardware: Revision history

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curprev 16:2816:28, 29 July 2020‎ Mahjongg talk contribs‎ 85,040 bytes −110‎ →‎Keyboard connections are not wrong, only the spectrum, is not ZX-81, compatible
curprev 16:2716:27, 29 July 2020‎ Mahjongg talk contribs‎ 85,150 bytes +7‎ →‎Keyboard connections are not wrong, only spectrum, not ZX-81, compatible

curprev 17:5517:55, 21 July 2020‎ Mahjongg talk contribs‎ 85,143 bytes +458‎ →‎I think I found a solution for the generation of an SPI signal for the SD-card reader

curprev 10:4810:48, 11 November 2019‎ Mahjongg talk contribs‎ m 84,685 bytes +4‎ →‎I think I found a solution for the generation of an SPI signal for the SD-card reader
curprev 10:4710:47, 11 November 2019‎ Mahjongg talk contribs‎ 84,681 bytes +6‎ →‎I think I found a solution for the generation of an SPI signal for the SD-card reader
curprev 10:4310:43, 11 November 2019‎ Mahjongg talk contribs‎ 84,675 bytes +642‎ →‎Keyboard connections are not wrong, only spectrum, not ZX-81, compatible

curprev 12:2512:25, 2 September 2019‎ Mahjongg talk contribs‎ 84,033 bytes +1‎ →‎Keyboard connections are not wrong, only spectrum, not ZX-81 compatible
curprev 12:2412:24, 2 September 2019‎ Mahjongg talk contribs‎ 84,032 bytes +387‎ →‎Keyboard connections error discovered?

curprev 00:5100:51, 29 August 2019‎ Mahjongg talk contribs‎ 83,645 bytes 0‎ →‎April 24, 2016 Redesigned PCB rev 2.0
curprev 00:5000:50, 29 August 2019‎ Mahjongg talk contribs‎ 83,645 bytes +422‎ →‎April 24, 2016 Redesigned PCB rev 2.0

curprev 13:0013:00, 27 August 2019‎ Mahjongg talk contribs‎ 83,223 bytes +175‎ →‎April 18, 2017 Changed my mind, will try to build a Z80 based more "home computer like design"
curprev 12:4812:48, 27 August 2019‎ Mahjongg talk contribs‎ 83,048 bytes +57‎ No edit summary

curprev 18:0518:05, 7 May 2019‎ Mahjongg talk contribs‎ 82,991 bytes +89‎ →‎April 24, 2016 Redesigned PCB rev 2.0
curprev 18:0218:02, 7 May 2019‎ Mahjongg talk contribs‎ 82,902 bytes −6‎ →‎April 24, 2016 Redesigned PCB rev 2.0
curprev 18:0018:00, 7 May 2019‎ Mahjongg talk contribs‎ 82,908 bytes −1‎ →‎April 24, 2016 Redesigned PCB rev 2.0
curprev 17:5917:59, 7 May 2019‎ Mahjongg talk contribs‎ 82,909 bytes +266‎ →‎April 24, 2016 Redesigned PCB rev 1,9

curprev 09:3809:38, 24 April 2019‎ Mahjongg talk contribs‎ 82,643 bytes +110‎ →‎April 24, 2016 Redesigned PCB rev 1,9
curprev 09:2309:23, 24 April 2019‎ Mahjongg talk contribs‎ 82,533 bytes +110‎ →‎April 24, 2016 Redesigned PCB rev 1,9
curprev 09:1809:18, 24 April 2019‎ Mahjongg talk contribs‎ 82,423 bytes +82‎ →‎April 24, 2016 Redesigned PCB rev 1,9
curprev 09:1509:15, 24 April 2019‎ Mahjongg talk contribs‎ 82,341 bytes +891‎ →‎April 24, 2016 Redesigned PCB rev 1,9

curprev 12:2512:25, 10 April 2019‎ Mahjongg talk contribs‎ m 80,782 bytes −5‎ →‎April 3, 2019 Prototype is finished

curprev 21:1121:11, 6 April 2019‎ Mahjongg talk contribs‎ 80,327 bytes +2‎ →‎April 3, 2019 Prototype is finished

curprev 12:0712:07, 3 April 2019‎ Mahjongg talk contribs‎ 80,325 bytes +1‎ →‎April 3, 2019 Prototype is finished
curprev 12:0612:06, 3 April 2019‎ Mahjongg talk contribs‎ 80,324 bytes +127‎ →‎March 28, 2019 Parts are in!

curprev 23:0723:07, 2 April 2019‎ Mahjongg talk contribs‎ m 80,197 bytes 0‎ No edit summary

curprev 14:4114:41, 28 March 2019‎ Mahjongg talk contribs‎ 80,197 bytes +6‎ →‎March 28, 2019 Parts are in!
curprev 14:3914:39, 28 March 2019‎ Mahjongg talk contribs‎ 80,191 bytes +246‎ →‎March 27, 2019 Ordered all components

curprev 12:2812:28, 27 March 2019‎ Mahjongg talk contribs‎ 79,945 bytes +547‎ →‎March 20, 2019 Finished Bill of materials

curprev 13:5013:50, 20 March 2019‎ Mahjongg talk contribs‎ 79,398 bytes +81‎ →‎March 20, 2019 Finished Bill of materials
curprev 13:4813:48, 20 March 2019‎ Mahjongg talk contribs‎ 79,317 bytes +326‎ →‎March 20, 2019 Finished Bill of materials
curprev 13:4413:44, 20 March 2019‎ Mahjongg talk contribs‎ 78,991 bytes +77‎ →‎March 20, 2019 Finished Bill of materials
curprev 00:2900:29, 20 March 2019‎ Mahjongg talk contribs‎ 78,914 bytes +507‎ →‎March 7, 2019 PCB's are in

curprev 22:0822:08, 7 March 2019‎ Mahjongg talk contribs‎ 78,407 bytes −1‎ →‎March 7, 2019 PCB's are in
curprev 22:0722:07, 7 March 2019‎ Mahjongg talk contribs‎ 78,408 bytes +40‎ →‎January 29, 2019 Ordering the PCB's
curprev 22:0522:05, 7 March 2019‎ Mahjongg talk contribs‎ 78,368 bytes +98‎ →‎January 29, 2019 Ordering the PCB's

curprev 21:0621:06, 29 January 2019‎ Mahjongg talk contribs‎ 78,270 bytes +147‎ →‎December 18, 2018 modified keyboard PCB

curprev 10:2610:26, 9 January 2019‎ Mahjongg talk contribs‎ 78,123 bytes +27‎ →‎catching I/O requests
curprev 10:2510:25, 9 January 2019‎ Mahjongg talk contribs‎ 78,096 bytes +1,193‎ →‎reading out Z80 video framebuffer memory, to display it

curprev 22:3122:31, 18 December 2018‎ Mahjongg talk contribs‎ 76,903 bytes +13‎ →‎December 18, 2018 modified keyboard PCB
curprev 22:3022:30, 18 December 2018‎ Mahjongg talk contribs‎ 76,890 bytes +60‎ →‎December 18, 2018 modified keyboard PCB
curprev 21:5621:56, 18 December 2018‎ Mahjongg talk contribs‎ 76,830 bytes +645‎ →‎December 10, 2018 made preview of the Rhococo in an enclosure

curprev 13:4113:41, 13 December 2018‎ Mahjongg talk contribs‎ 76,185 bytes +23‎ No edit summary

curprev 11:4411:44, 6 December 2018‎ Mahjongg talk contribs‎ 73,769 bytes +255‎ →‎December 5, 2018 Finished 100% routing
curprev 11:3711:37, 6 December 2018‎ Mahjongg talk contribs‎ 73,514 bytes +141‎ →‎December 5, 2018 Finished 100% routing
curprev 11:3511:35, 6 December 2018‎ Mahjongg talk contribs‎ 73,373 bytes +462‎ →‎December 5, 2018 Finished 100% routing

curprev 11:3011:30, 3 December 2018‎ Mahjongg talk contribs‎ m 71,710 bytes +36‎ →‎December 2 Various layout jobs

curprev 18:1418:14, 2 December 2018‎ Mahjongg talk contribs‎ 71,674 bytes +298‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper

curprev 22:2922:29, 1 December 2018‎ Mahjongg talk contribs‎ m 71,376 bytes +103‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper

curprev 11:2911:29, 29 November 2018‎ Mahjongg talk contribs‎ m 71,273 bytes +51‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper
curprev 11:2711:27, 29 November 2018‎ Mahjongg talk contribs‎ 71,222 bytes +150‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper
curprev 11:2511:25, 29 November 2018‎ Mahjongg talk contribs‎ 71,072 bytes +197‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper

curprev 12:0712:07, 28 November 2018‎ Mahjongg talk contribs‎ 70,875 bytes +234‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper
curprev 12:0212:02, 28 November 2018‎ Mahjongg talk contribs‎ m 70,641 bytes 0‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper

curprev 23:1723:17, 27 November 2018‎ Mahjongg talk contribs‎ 70,641 bytes +104‎ →‎November 28, 2018 Started with new rev 1,7 schematic, and layout, with 74LS670 memory mapper
curprev 23:1023:10, 27 November 2018‎ Mahjongg talk contribs‎ 70,537 bytes +383‎ →‎November 20, 2018 Considering adding bank switch support with 74LS670 IC

curprev 10:3210:32, 23 November 2018‎ Mahjongg talk contribs‎ 70,154 bytes +71‎ →‎November 20, 2018 Considering adding bank switch support with 74LS670 IC
curprev 10:3010:30, 23 November 2018‎ Mahjongg talk contribs‎ 70,083 bytes +164‎ →‎November 20, 2018 Considering adding bank switch support with 74LS670 IC

curprev 12:0412:04, 22 November 2018‎ Mahjongg talk contribs‎ m 69,919 bytes +13‎ →‎November 20, 2018 Considering adding bank switch support with 74LS670 IC
curprev 12:0012:00, 22 November 2018‎ Mahjongg talk contribs‎ m 69,906 bytes +15‎ →‎November 20, 2018 Considering adding bank switch support with 74LS670 IC
curprev 11:2911:29, 22 November 2018‎ Mahjongg talk contribs‎ 69,891 bytes +456‎ →‎November 20, 2018 Considering adding bank switch support with 74LS670 IC

curprev 11:1711:17, 15 November 2018‎ Mahjongg talk contribs‎ m 65,012 bytes −1‎ →‎October 31, 2018, created production files of rev 1.6, and got VGA video out of my Hydra

curprev 10:3610:36, 5 November 2018‎ Mahjongg talk contribs‎ m 59,035 bytes +1‎ No edit summary

curprev 11:2011:20, 31 October 2018‎ Mahjongg talk contribs‎ 58,518 bytes −69‎ →‎October 31, 2018, created production files of rev 1.6, and got VGA video out of my Hydra
curprev 10:3910:39, 31 October 2018‎ Mahjongg talk contribs‎ 58,587 bytes 0‎ →‎October 31, 2018, created production files of rev 1.6, and got VGA video out of my Hydra
curprev 10:3910:39, 31 October 2018‎ Mahjongg talk contribs‎ 58,587 bytes +6‎ →‎October 31, 2018, created production files of rev 1.6, and got VGA video out of my Hydra
curprev 10:3810:38, 31 October 2018‎ Mahjongg talk contribs‎ 58,581 bytes +92‎ →‎October 31, 2018, created production files of rev 1.6, and got VGA video out of my Hydra

curprev 09:3809:38, 25 October 2018‎ Mahjongg talk contribs‎ m 57,050 bytes +1‎ →‎October 23, 2018 added power and debug LED's

curprev 09:3309:33, 17 October 2018‎ Mahjongg talk contribs‎ 56,069 bytes +947‎ →‎October 3, 2018 added some keys to "deluxe" keyboard

curprev 10:5110:51, 10 October 2018‎ Mahjongg talk contribs‎ 55,122 bytes +373‎ →‎October 3, 2018 added some keys to "deluxe" keyboard
curprev 10:1210:12, 10 October 2018‎ Mahjongg talk contribs‎ 54,749 bytes +198‎ →‎October 3, 2018 added some keys to "deluxe" keyboard
curprev 10:0810:08, 10 October 2018‎ Mahjongg talk contribs‎ 54,551 bytes +174‎ →‎October 3, 2018 added some keys to "deluxe" keyboard
curprev 10:0410:04, 10 October 2018‎ Mahjongg talk contribs‎ m 54,377 bytes 0‎ →‎October 3, 2018 added some keys to "deluxe" keyboard

curprev 14:3014:30, 8 October 2018‎ Mahjongg talk contribs‎ 53,548 bytes +86‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development
curprev 14:2814:28, 8 October 2018‎ Mahjongg talk contribs‎ 53,462 bytes −27‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development
curprev 14:2514:25, 8 October 2018‎ Mahjongg talk contribs‎ m 53,489 bytes +111‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development
curprev 14:2214:22, 8 October 2018‎ Mahjongg talk contribs‎ m 53,378 bytes +33‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development

curprev 15:1315:13, 3 October 2018‎ Mahjongg talk contribs‎ 53,304 bytes +32‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development
curprev 15:1215:12, 3 October 2018‎ Mahjongg talk contribs‎ 53,272 bytes +67‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development
curprev 15:1015:10, 3 October 2018‎ Mahjongg talk contribs‎ 53,205 bytes +271‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development

curprev 23:2223:22, 2 October 2018‎ Mahjongg talk contribs‎ 52,934 bytes +16‎ →‎October 3, 2018 PCB's not yet ordered, but started with propeller software development
curprev 23:2123:21, 2 October 2018‎ Mahjongg talk contribs‎ 52,918 bytes +16‎ →‎PCB's not yet ordered, but started with propeller software development
curprev 23:2023:20, 2 October 2018‎ Mahjongg talk contribs‎ 52,902 bytes +798‎ →‎September 25, 2018 keyboard layout repaired, and optimized

curprev 09:4009:40, 26 September 2018‎ Mahjongg talk contribs‎ m 52,104 bytes 0‎ No edit summary
curprev 09:3809:38, 26 September 2018‎ Mahjongg talk contribs‎ m 52,104 bytes +1‎ →‎August 29, finished layout, and copper fills
curprev 09:3509:35, 26 September 2018‎ Mahjongg talk contribs‎ 52,103 bytes +109‎ →‎September 25, 2018 keyboard layout repaired, and optimized
curprev 09:3209:32, 26 September 2018‎ Mahjongg talk contribs‎ 51,994 bytes +137‎ →‎September 25, 2018 keyboard layout repaired, and optimized

curprev 22:0422:04, 25 September 2018‎ Mahjongg talk contribs‎ 51,857 bytes +255‎ →‎September 19, 2018 keyboard PCB layed out

curprev 23:4423:44, 18 September 2018‎ Mahjongg talk contribs‎ 51,602 bytes +81‎ →‎September 19, 2018 keyboard PCB layed out
curprev 23:4223:42, 18 September 2018‎ Mahjongg talk contribs‎ 51,521 bytes +288‎ →‎September 14, 2018 PCB manufacturer preview RhoCoCo rev 1.5

curprev 10:3810:38, 14 September 2018‎ Mahjongg talk contribs‎ m 51,233 bytes −3‎ →‎September 14, 2018 PCB manufacturer preview RhoCoCo rev 1.5
curprev 10:2710:27, 14 September 2018‎ Mahjongg talk contribs‎ 51,236 bytes +174‎ →‎September 14, 2018 PCB manufacturer preview RhoCoCo rev 1.5
curprev 10:2310:23, 14 September 2018‎ Mahjongg talk contribs‎ 51,062 bytes +2‎ →‎September 14, 2018 PCB manufacturer preview RhoCoCo rev 1.5
curprev 10:2310:23, 14 September 2018‎ Mahjongg talk contribs‎ 51,060 bytes +351‎ →‎September 11, 2018 Corrected sd-card footpad

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