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GR8RAM
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81 Commits

Author SHA1 Message Date
Zane Kaminski 831a56c98c Migrate to KiCAD 6 2022-02-05 21:08:34 -05:00
Zane Kaminski a745d62cba Merge branch 'dev' of https://github.com/garrettsworkshop/GR8RAM into dev 2021-09-14 03:57:22 -04:00
Zane Kaminski b4bdc6a9da Release candidate? 2021-09-14 03:57:20 -04:00
Zane Kaminski c82cf4d619 Documentation update 2021-09-04 23:58:27 -04:00
Zane Kaminski 675750ea54 Documentation update 2021-08-06 02:44:46 -04:00
Zane Kaminski d269856832 Documentation update 2021-07-02 00:42:33 -04:00
Zane Kaminski eb98ee74cf Update Initialization Sequence 2021-05-08 10:16:39 -04:00
Zane Kaminski 9931df0b70 Ignore Quartus stuff 2021-04-21 23:09:07 -04:00
Zane Kaminski fa08ca903a Register Apple address bus on PHI0 rising edge 2021-04-21 20:06:56 -04:00
Zane Kaminski 9243c68a12 Change IOROMEN logic back to synchronous reset 2021-04-21 09:21:35 -04:00
Zane Kaminski 7b4a492e6c Output read data on falling edge to get more hold time 2021-04-21 09:19:57 -04:00
Zane Kaminski a3517bf054 Revert "Updated slew rate/current strength assignments" 
This reverts commit 691c076b4d.
 2021-04-20 05:50:09 -04:00
Zane Kaminski 691c076b4d Updated slew rate/current strength assignments 2021-04-20 05:43:37 -04:00
Zane Kaminski fc376ce5d8 Latch config DIP switches at boot 
Also rearranged GR8RAM.v
 2021-04-20 04:23:57 -04:00
Zane Kaminski 0ca3f17cd5 Works better? 2021-04-20 04:10:26 -04:00
Zane Kaminski d88ccfb802 Documentation update 2021-04-20 01:49:44 -04:00
Zane Kaminski c0e7733ba1 Add "ZK, GF" to board 2021-04-20 01:47:09 -04:00
Zane Kaminski 72d2609e63 Fabbed 2021-04-19 05:43:21 -04:00
Zane Kaminski dc38e1f668 Sorta works 2021-04-19 02:57:51 -04:00
Zane Kaminski 6bcd3a0740 Added CKE back 2021-04-18 20:24:58 -04:00
Zane Kaminski b899bfc4ad Sorta works 2021-04-18 06:01:08 -04:00
Zane Kaminski 6eb7960003 Remove CKE 2021-04-18 03:59:56 -04:00
Zane Kaminski bc9fb27129 Make apple boot 
Apple boots but SDRAM not working. Register R/W/increment works
 2021-04-18 03:54:45 -04:00
Zane Kaminski 6e2e916561 Create FrontIsom.png 2021-04-12 04:27:58 -04:00
Zane Kaminski b46fe84724 Update RAM Map 2021-04-12 03:46:33 -04:00
Zane Kaminski c4844b9646 idk 2021-04-11 15:39:19 -04:00
Zane Kaminski b0b8b0dc6c Works? 2021-04-03 03:44:42 -04:00
Zane Kaminski 9eec9bf7b9 ugh 2021-03-19 16:38:48 -04:00
Zane Kaminski 116abb1a6f before remove UFM 2021-03-19 14:23:33 -04:00
Zane Kaminski 52b3716342 hmm 2021-03-19 06:59:22 -04:00
Zane Kaminski 9ac2ba97ae better 2021-03-19 06:45:31 -04:00
Zane Kaminski 3816ecd0a1 ugh 2021-03-19 02:56:20 -04:00
Zane Kaminski a444cc31aa idk 2021-03-15 13:40:59 -04:00
Zane Kaminski e5da11855d Remove old CPLD stuff 2021-03-15 13:40:41 -04:00
Zane Kaminski db594211fa Fabbed 2021-02-17 19:29:24 -05:00
Zane Kaminski 9f0867fe56 reset button detect 2020-10-25 05:22:14 -04:00
Zane Kaminski 7d6776e480 Board done? 2020-10-07 23:32:57 -04:00
Zane Kaminski 3091ea4d32 Sketch of verilog 2020-10-07 23:32:29 -04:00
Zane Kaminski 4beed0e635 Added label images 2020-05-30 04:50:23 -04:00
Zane Kaminski 817cbd25fd Update .gitignore 2020-05-15 22:51:14 -04:00
Zane Kaminski 9e108f656c Update .gitignore 2020-05-15 18:49:20 -04:00
Zane Kaminski 66c0973cdf Many changes 2020-03-10 18:54:44 -04:00
Zane Kaminski 7e41906335 Put FullIOEN back 2020-02-26 03:37:20 -05:00
Zane Kaminski 209afbc5c5 Added transfer counters 2020-02-26 03:34:33 -05:00
Zane Kaminski 6a33e1adb0 Added separate configuration section 2020-02-26 03:31:20 -05:00
Zane Kaminski 156aa66473 Cleanup 2020-02-26 03:15:36 -05:00
Zane Kaminski 593f5cb010 Removed inhibit output 2020-02-26 03:14:33 -05:00
Zane Kaminski 76bceb089d Moved REGEN and IOROMEN (no functional change) 2020-02-26 03:14:13 -05:00
Zane Kaminski 4575818d63 Removed SetWR and FullIOEN 2020-02-26 02:13:35 -05:00
Zane Kaminski d9e9038a4d Comments, no actual changes to CPLD verilog 2020-02-16 22:03:57 -05:00