Commit Graph

103 Commits

Author SHA1 Message Date
Andrew Makousky 7ef514a1eb
Merge pull request #2 from quorten/bugfix/glu-jed
Rename to proper glu.jed.
2021-04-04 11:23:50 -05:00
Andrew Makousky f60cd7e9ad Rename to proper glu.jed. 2021-04-04 11:21:42 -05:00
Andrew Makousky 02dcdadf15 Correction: Macintosh does not invert video signal. 2021-04-03 17:29:37 -05:00
Andrew Makousky 2cae046d13 Add a few more helpful links. 2021-04-03 16:57:55 -05:00
Andrew Makousky 20c56b0eda Revisited PAL logic equations, now looking really great! 2021-04-03 16:44:32 -05:00
Andrew Makousky f039437b21 Fix notes section after physical board testing. 2021-03-31 17:53:08 -05:00
Andrew Makousky 0dbba89a23 Add link to Macintosh 512k schematics. 2021-01-01 15:01:02 -06:00
Andrew Makousky 4b6025439a Add useful datasheets and info when working with BBU. 2020-12-31 10:06:37 -06:00
Andrew Makousky 7669cfec2e Add CAS PAL. 2020-12-31 09:23:08 -06:00
Andrew Makousky cd0f4a244e Documentation updates. 2020-12-31 08:27:53 -06:00
Andrew Makousky df2eb72c7a More links to related FPGA projects. 2020-12-30 18:49:18 -06:00
Andrew Makousky 58ff6bd97f Commit links to ROM projects. 2020-12-30 18:46:24 -06:00
Andrew Makousky f6d5493880 Commit a copy of Kai's GLU and MLB BOM. 2020-12-30 17:54:15 -06:00
Andrew Makousky 6a8659a693 Also note shipping boxes in top-level. 2020-12-30 17:23:26 -06:00
Andrew Makousky 1414816b4d Update top-level README.md. 2020-12-30 17:10:43 -06:00
Andrew Makousky 198bf1fac1 ASG on mac128pal.v, documentation links. 2020-12-30 17:02:42 -06:00
Andrew Makousky 7be998a7e5 mac128k PAL equations looking pretty good now. 2020-12-27 22:25:03 -06:00
Andrew Makousky bf64640d5a Fix some of the mac128pal problems. 2020-12-27 18:43:37 -06:00
Andrew Makousky 92edcf0931 Transition to continuous assign, revealed equation problems.
But otherwise with problems fixed, simulation should be a lot faster.
2020-12-27 15:52:23 -06:00
Andrew Makousky 56dd957402 Mac 128k PAL signals mostly working, hooray!
Also start working on BBU video timing signals, and documentation
improvements.
2020-12-27 09:19:35 -06:00
Andrew Makousky 306024838b Finally figured out S5 is a pull-up resistor. 2020-12-24 11:23:08 -06:00
Andrew Makousky b957f0cb84 Commit work-in-progress.
Some improvements made on accuracy of circuit descriptions.
2020-12-22 18:05:27 -06:00
Andrew Makousky 6a74bb5a13 Markdown file extension. 2020-12-20 09:53:31 -06:00
Andrew Makousky a72a279d0f Add documentation on Macintosh case screws. 2020-12-20 09:48:11 -06:00
Andrew Makousky 6618602b1a BBU: Fix standard logic sim errors, naming improvement. 2020-11-30 13:50:57 -06:00
Andrew Makousky fe87fea02c Fixes to mac128k PAL simulation issues, more documentation. 2020-11-28 16:36:09 -06:00
Andrew Makousky c490406c81 BBU: More analysis and insight. 2020-11-25 17:18:41 -06:00
Andrew Makousky 602a9b564d BBU: Add DRAM sim, almost done with mac128k. 2020-11-25 06:04:07 -06:00
Andrew Makousky 600f120c85 RTC: Use open-drain signaling on 1SEC too. 2020-11-25 01:08:03 -06:00
Andrew Makousky 6678c4b2ab Commit BBU work-in-progress.
For comparative simulation, I'm also assembling the logic of the earlier
Macintosh 128K, and possibly also Macintosh Plus, in Verilog, and
planning on doing MLB board-level simulations too.
2020-11-25 01:05:48 -06:00
Andrew Makousky 4fa9303844 BBU: Commit work-in-progress, lots of corrections to be made. 2020-11-20 20:19:52 -06:00
Andrew Makousky 62d2e920e7 Commit work-in-progress.
Much better BBU pinout chart, lots of notes learned from Guide to the
Macintosh family hardware.
2020-11-18 10:21:05 -06:00
Andrew Makousky 12eb917c24 Fix macro use bugs found with new iverilog. 2020-11-15 22:29:54 -06:00
Andrew Makousky 757acda304 Better BBU README documentation. 2020-11-15 22:03:08 -06:00
Andrew Makousky 58759b51b8 BBU work-in-progress, fix a few documentation issues. 2020-11-15 20:36:44 -06:00
Andrew Makousky f9200e43ac Commit work-in-progress of BBU FPGA in Verilog. 2020-10-25 09:00:40 -05:00
Andrew Makousky bb049216e4 More schematic retrace corrections. 2020-10-25 08:59:42 -05:00
Andrew Makousky b762f521e4 Fix retrace errors, RDO should be RDQ. 2020-10-20 00:35:20 -05:00
Andrew Makousky 389122f2aa Fix some Mac SE schematic redraw errors, more detailed BBU notes. 2020-10-18 14:47:39 -05:00
Andrew Makousky ff5125bfb1 Add missing line above *IWM. 2020-10-18 12:16:08 -05:00
Andrew Makousky 56c2d2a139 Improve color matching on mac128k box art. 2020-10-18 12:15:45 -05:00
Andrew Makousky cbf688bd19 Better info on BBU functions. 2020-10-18 12:15:14 -05:00
Andrew Makousky 5c5c078ae4 Packaging: Add Macintosh 128k design. 2020-10-16 12:43:53 -05:00
Andrew Makousky 1d08b176de Add packaging foam retrace work files. 2020-10-10 10:55:32 -05:00
Andrew Makousky 6f71120bbb Note source photo URL. 2020-10-09 19:22:47 -05:00
Andrew Makousky 3c97c4af43 Add script for getting Macintosh SE/30 halftone. 2020-10-09 19:13:21 -05:00
Andrew Makousky 9042d685ee RTC firmware: Fix handling of sysfs GPIO. 2020-10-03 17:56:50 -05:00
Andrew Makousky bde06c2193 Merge branch 'master' of https://github.com/quorten/macsehw 2020-10-03 17:54:04 -05:00
Andrew Makousky 8b253a827a Macintosh SE box layout update, add SE/30 box layout. 2020-10-03 17:46:05 -05:00
Andrew Makousky b8666e8f7c packaging: Use correct box background color. 2020-09-22 13:38:02 -05:00