Zane Kaminski
4a9341dcc8
Added C14M buffering and header
2020-12-16 14:43:41 -05:00
Zane Kaminski
455f9e99f1
Actually fabbed 10/6/2020
2020-10-09 13:02:03 -04:00
Zane Kaminski
5af7a4b84d
Fabbed 9/29/2020
2020-09-29 14:59:55 -04:00
Zane Kaminski
a4fc5a2ebe
Update timing diagram in schematic
...
Now reflects longer MAX V propagation delays
2020-09-25 13:05:58 -04:00
Zane Kaminski
a4c86c60f8
Update GW4203BManual
2020-09-18 00:45:40 -04:00
Zane Kaminski
29a75c8028
Delete Picture.png
2020-09-18 00:45:19 -04:00
Zane Kaminski
7d88c5d625
Merge branch 'dev-GW4203B-1.2' of https://github.com/garrettsworkshop/RAM2E into dev-GW4203B-1.2
2020-09-17 23:32:03 -04:00
Zane Kaminski
383c2b5760
Merge branch 'dev-GW4203B-1.2' of https://github.com/garrettsworkshop/RAM2E into dev-GW4203B-1.2
2020-09-17 23:32:01 -04:00
Zane Kaminski
7ff514a26c
Fix snow on screen
...
Previous commit had "snow" in 80-col mode when updating display. Put back command timing to fix problem. Kept PHI0 read gating depending on EN80 and data output gating
2020-09-16 20:20:16 -04:00
Zane Kaminski
8eb7ead8ee
Improve power consumption
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Gated RAM access during PHI0, squeezed video access and MPU access together, gated data bus output buffer OE to only output at end of PHI0
2020-09-16 19:49:18 -04:00
Zane Kaminski
e8dee0f319
Updated schematic with 1V8 regulator and MAX V
2020-09-10 10:44:47 -04:00
Zane Kaminski
91544eb60d
Working on MAX V
2020-09-09 16:35:14 -04:00
Zane Kaminski
aa58ecc4d9
Documentation update
2020-08-20 22:27:49 -04:00
Zane Kaminski
05f8cbd610
August 2020 JLCPCB again
2020-08-08 03:52:57 -04:00
Zane Kaminski
a06c454ac2
Update .gitignore
2020-08-08 03:50:01 -04:00
Zane Kaminski
0e76c6dcb0
Merge branch 'dev-GW4203B' into dev-GW4203B-1.1
2020-08-05 19:52:28 -04:00
Zane Kaminski
f59696560f
Update GW4203BManual
2020-08-05 19:52:19 -04:00
Zane Kaminski
f9673fb736
Merge branch 'dev-GW4203B' into dev-GW4203B-1.1
2020-08-05 19:39:01 -04:00
Zane Kaminski
9ccc1ce6c7
Update GW4203BManual
2020-08-05 19:38:45 -04:00
Zane Kaminski
ab1f3d71b1
Added MS Word "~$" temporary file to gitignore
2020-08-05 19:38:18 -04:00
Zane Kaminski
3b3b201598
As submitted to JLCPCB August 2020
2020-08-04 22:13:53 -04:00
Zane Kaminski
9c47468516
Documentaton update
2020-08-03 02:45:59 -04:00
Zane Kaminski
ee9465ad31
Documentation update
2020-08-02 18:29:48 -04:00
Zane Kaminski
36879970c9
Fixed typo in manual
2020-07-31 17:11:59 -04:00
Zane Kaminski
58e3a76dc5
Documentation update
2020-07-31 17:10:23 -04:00
Zane Kaminski
0dbffb8b49
Add GW4203B files
2020-07-25 04:37:15 -04:00
Zane Kaminski
c8fc6df937
Create LICENSE
2020-07-25 04:30:58 -04:00
Zane Kaminski
bedbc072ec
Create .gitignore
2020-07-25 04:30:52 -04:00