Designing the RhoCoCo Retro Home COlor COmputer hardware: Revision history

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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

curprev 09:3209:32, 7 September 2018‎ Mahjongg talk contribs‎ m 49,600 bytes +1‎ →‎August 4, 2018 continued with layout
curprev 09:3109:31, 7 September 2018‎ Mahjongg talk contribs‎ m 49,599 bytes +1‎ →‎August 1, 2018 corrected some errors in the schematics and finished component placement

curprev 17:4617:46, 31 August 2018‎ Mahjongg talk contribs‎ m 46,759 bytes +143‎ No edit summary
curprev 17:2617:26, 31 August 2018‎ Mahjongg talk contribs‎ m 46,616 bytes +20‎ No edit summary

curprev 23:2223:22, 28 August 2018‎ Mahjongg talk contribs‎ 46,596 bytes +189‎ →‎August 29, finished layout, and copper fills
curprev 23:1723:17, 28 August 2018‎ Mahjongg talk contribs‎ 46,407 bytes +57‎ →‎August 29, finished layout, and copper fills
curprev 23:1023:10, 28 August 2018‎ Mahjongg talk contribs‎ 46,350 bytes +45‎ →‎August 29, finished layout, and copper fills
curprev 23:0423:04, 28 August 2018‎ Mahjongg talk contribs‎ 46,305 bytes +178‎ →‎August 22, 2018 continued with layout, almost finished now

curprev 17:1717:17, 23 August 2018‎ Mahjongg talk contribs‎ m 46,127 bytes −3‎ →‎August 22, 2018 continued with layout, almost finished now

curprev 23:2123:21, 21 August 2018‎ Mahjongg talk contribs‎ 46,130 bytes +22‎ →‎August 22, 2018 continued with layout, almost finished now
curprev 23:2023:20, 21 August 2018‎ Mahjongg talk contribs‎ 46,108 bytes +302‎ →‎August 22, 2018 continued with layout, almost finished now
curprev 22:5122:51, 21 August 2018‎ Mahjongg talk contribs‎ 45,806 bytes +299‎ →‎August 4, 2018 continued with layout

curprev 17:2517:25, 23 July 2018‎ Mahjongg talk contribs‎ 40,557 bytes +35‎ →‎Created a first (3D) preview of Rhococo
curprev 17:2017:20, 23 July 2018‎ Mahjongg talk contribs‎ 40,522 bytes +23‎ →‎Created a first (3D) preview of Rhococo
curprev 17:1617:16, 23 July 2018‎ Mahjongg talk contribs‎ 40,499 bytes +406‎ →‎About the expansion port pinout

curprev 23:5923:59, 17 July 2018‎ Mahjongg talk contribs‎ 36,256 bytes −39‎ →‎July 4, 2018 First three sheets (concept) schematic
curprev 23:5723:57, 17 July 2018‎ Mahjongg talk contribs‎ 36,295 bytes +478‎ →‎Corrections and hints (filling in the blanks) toward a first version
curprev 23:5223:52, 17 July 2018‎ Mahjongg talk contribs‎ 35,817 bytes +225‎ →‎July 4, 2018 First two sheets (concept) schematic
curprev 23:4323:43, 17 July 2018‎ Mahjongg talk contribs‎ 35,592 bytes +55‎ →‎July 4, 2018 First two sheets (concept) schematic

curprev 09:5709:57, 16 July 2018‎ Mahjongg talk contribs‎ 35,537 bytes +231‎ →‎Corrections and hints (filling in the blanks) toward a first version
curprev 09:5309:53, 16 July 2018‎ Mahjongg talk contribs‎ m 35,306 bytes +1‎ →‎June 14 to July 12 wired up my prototype board
curprev 09:4409:44, 16 July 2018‎ Mahjongg talk contribs‎ m 35,305 bytes +5‎ →‎April 23, 2017 Found some inspiration on what is possible with an ATMega328

curprev 17:3317:33, 13 July 2018‎ Mahjongg talk contribs‎ 32,412 bytes +27‎ →‎July 11, 2018 I have drawn new schematics with the insights from 9 July
curprev 17:3217:32, 13 July 2018‎ Mahjongg talk contribs‎ 32,385 bytes +56‎ →‎July 11, 2018 I have drawn new schematics with the insights from 9 July
curprev 17:3117:31, 13 July 2018‎ Mahjongg talk contribs‎ 32,329 bytes +105‎ →‎July 11, 2018 I have drawn new schematics with the insights from 9 July
curprev 17:2917:29, 13 July 2018‎ Mahjongg talk contribs‎ 32,224 bytes +1,116‎ →‎July 11, 2018 I have drawn new schematics with the insights from 9 July

curprev 23:2223:22, 10 July 2018‎ Mahjongg talk contribs‎ 31,345 bytes +6‎ →‎July 11, 2018 I have drawn new schematics with the insights from 9 July
curprev 23:1923:19, 10 July 2018‎ Mahjongg talk contribs‎ 31,339 bytes +155‎ →‎July 11, 2018 I have drawn new schematics with the insights from 9 July
curprev 23:1423:14, 10 July 2018‎ Mahjongg talk contribs‎ 31,184 bytes +706‎ →‎July 9, 2018 Had a new idea on how to read out RAM

curprev 15:1015:10, 2 July 2018‎ Mahjongg talk contribs‎ m 27,304 bytes +2‎ →‎Adding a keyboard

curprev 17:2517:25, 20 June 2018‎ Mahjongg talk contribs‎ 27,302 bytes +66‎ →‎19 June, 2018 Started working on a new schematic
curprev 17:2017:20, 20 June 2018‎ Mahjongg talk contribs‎ 27,236 bytes +829‎ →‎Adding sound

curprev 17:1717:17, 18 June 2018‎ Mahjongg talk contribs‎ 26,407 bytes −1‎ →‎May 9, 2017 Programmed the ATMega32A and started testing
curprev 17:1617:16, 18 June 2018‎ Mahjongg talk contribs‎ 26,408 bytes −3‎ →‎June 14 to July 12 wired up my prototype board
curprev 17:1617:16, 18 June 2018‎ Mahjongg talk contribs‎ 26,411 bytes −1‎ →‎June 6, 2017 drawn schematic of first version in KiCAD

curprev 11:0411:04, 31 May 2018‎ Mahjongg talk contribs‎ 25,346 bytes +240‎ →‎28 may, 2018 found boot method
curprev 10:5410:54, 31 May 2018‎ Mahjongg talk contribs‎ m 25,106 bytes +376‎ →‎28 may, 2018 found boot method
curprev 10:4310:43, 31 May 2018‎ Mahjongg talk contribs‎ 24,730 bytes +1,146‎ →‎28 may, 2018 found boot method

curprev 01:1601:16, 14 June 2017‎ Mahjongg talk contribs‎ 15,657 bytes +301‎ →‎June 6, 2017 drawn schematic of first version in KiCAD
curprev 01:1301:13, 14 June 2017‎ Mahjongg talk contribs‎ 15,356 bytes +125‎ →‎June 14, 2017 added some ground wiring and stickers
curprev 01:1101:11, 14 June 2017‎ Mahjongg talk contribs‎ 15,231 bytes +381‎ →‎June 6, 2017 drawn schematic of first version in KiCAD

curprev 22:1222:12, 6 June 2017‎ Mahjongg talk contribs‎ 14,850 bytes 0‎ →‎June 5, 2017 drawn schematic of first version in KiCAD

curprev 22:2422:24, 5 June 2017‎ Mahjongg talk contribs‎ 14,850 bytes +7‎ →‎June 5, 2017 drawn schematic of first version in KiCAD
curprev 22:2322:23, 5 June 2017‎ Mahjongg talk contribs‎ 14,843 bytes −7‎ →‎June 5, 2017 drawn schematic of first version in KiCAD
curprev 22:2222:22, 5 June 2017‎ Mahjongg talk contribs‎ 14,850 bytes +37‎ →‎June 5, 2017 drawn schematic of first version in KiCAD
curprev 22:1622:16, 5 June 2017‎ Mahjongg talk contribs‎ 14,813 bytes +201‎ →‎May 23, 2017 Started building perfboard version

curprev 23:5923:59, 31 May 2017‎ Mahjongg talk contribs‎ 14,612 bytes +180‎ →‎May 23, 2017 Started building perfboard version

curprev 00:2500:25, 25 May 2017‎ Mahjongg talk contribs‎ 14,432 bytes +617‎ →‎May 9, 2017 Programmed the ATMega32A and started testing

curprev 10:1710:17, 23 May 2017‎ Mahjongg talk contribs‎ 13,815 bytes +62‎ →‎May 9, 2017 Programmed the ATMega32A and started testing
curprev 10:1510:15, 23 May 2017‎ Mahjongg talk contribs‎ 13,753 bytes +609‎ →‎May 9, 2017 Programmed the ATMega32A and started testing

curprev 21:5021:50, 14 May 2017‎ Mahjongg talk contribs‎ 13,144 bytes +77‎ →‎May 9, 2017 Programmed the ATMega32A and started testing

curprev 20:1120:11, 13 May 2017‎ Mahjongg talk contribs‎ 13,067 bytes +210‎ →‎May 9, 2017 Programmed the ATMega32A and started testing

curprev 10:2010:20, 3 May 2017‎ Mahjongg talk contribs‎ m 11,627 bytes +6‎ →‎May 2, 2017 added SRAM finished wiring
curprev 10:1810:18, 3 May 2017‎ Mahjongg talk contribs‎ 11,621 bytes +1‎ →‎May 2, 2017 added SRAM finished wiring
curprev 10:1810:18, 3 May 2017‎ Mahjongg talk contribs‎ 11,620 bytes +350‎ →‎April 30, 2017 added most wiring, except for SRAM

curprev 14:5814:58, 30 April 2017‎ Mahjongg talk contribs‎ m 10,838 bytes +5‎ No edit summary

curprev 14:1114:11, 29 April 2017‎ Mahjongg talk contribs‎ 10,833 bytes +17‎ →‎Some thoughts

curprev 11:0811:08, 28 April 2017‎ Mahjongg talk contribs‎ 10,816 bytes +123‎ →‎Some thoughts
curprev 11:0511:05, 28 April 2017‎ Mahjongg talk contribs‎ 10,693 bytes +208‎ →‎April 25 Started building up the prototype
curprev 10:5910:59, 28 April 2017‎ Mahjongg talk contribs‎ 10,485 bytes +2,305‎ →‎April 25 Started building up the prototype

curprev 23:5823:58, 24 September 2015‎ Mahjongg talk contribs‎ 1,800 bytes +151‎ No edit summary

curprev 17:0117:01, 29 January 2015‎ Mahjongg talk contribs‎ 1,649 bytes −103‎ moved comment to talk (and answered)
curprev 13:4713:47, 29 January 2015‎ Glu talk contribs‎ 1,752 bytes +104‎ No edit summary

curprev 00:0700:07, 26 January 2015‎ Mahjongg talk contribs‎ 1,648 bytes +155‎ No edit summary

curprev 22:1522:15, 20 January 2015‎ Mahjongg talk contribs‎ 1,493 bytes +164‎ No edit summary
curprev 22:0322:03, 20 January 2015‎ Mahjongg talk contribs‎ 1,329 bytes +52‎ No edit summary
curprev 21:5721:57, 20 January 2015‎ Mahjongg talk contribs‎ 1,277 bytes +1,097‎ No edit summary

curprev 18:2018:20, 19 January 2015‎ Mahjongg talk contribs‎ 180 bytes 0‎ No edit summary
curprev 18:0118:01, 19 January 2015‎ Mahjongg talk contribs‎ 180 bytes +180‎ Created page with "'''Rhococo Retro Home COlor Computer''' Is a retro version of the sinclair spectrum, but not based on a Z80, but on an ARM, and with a 320x480 VGA full graphics full color dis..."

Designing the RhoCoCo Retro Home COlor COmputer hardware: Revision history

10 December 2018

9 December 2018

6 December 2018

5 December 2018

3 December 2018

2 December 2018

1 December 2018

29 November 2018

28 November 2018

27 November 2018

23 November 2018

22 November 2018

21 November 2018

20 November 2018

16 November 2018

15 November 2018

14 November 2018

13 November 2018

6 November 2018

5 November 2018

2 November 2018

31 October 2018

30 October 2018

25 October 2018

23 October 2018

17 October 2018

10 October 2018

9 October 2018

8 October 2018

4 October 2018

3 October 2018

2 October 2018

26 September 2018

25 September 2018

18 September 2018

14 September 2018

12 September 2018

11 September 2018

10 September 2018

7 September 2018

5 September 2018

4 September 2018

3 September 2018

31 August 2018

28 August 2018

23 August 2018

21 August 2018

4 August 2018

1 August 2018

27 July 2018

25 July 2018

24 July 2018

23 July 2018

20 July 2018

19 July 2018

18 July 2018

17 July 2018

16 July 2018

15 July 2018

13 July 2018

11 July 2018

10 July 2018

9 July 2018

3 July 2018

2 July 2018

20 June 2018

18 June 2018

11 June 2018

31 May 2018

28 May 2018

23 May 2018

22 May 2018

10 July 2017

8 July 2017

14 June 2017

6 June 2017

5 June 2017

31 May 2017

25 May 2017