51079f4598
Retrieve Mac 128K reference photos from Git branch.
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The old Google Drive method of retrieving these images has been
abandoned due to the need to move from one Google account to
another, so I decided to keep things slim in this repository for
simplicity.
2024-05-27 19:26:17 -05:00
3a43735fc2
Generate Mac halftone images from sources.
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An ImageMagick convert command-line is used to achieve the desired
results in a more compact manner to store.
2024-05-27 19:16:37 -05:00
5fc5d3489d
Work-in-progress improvements to BBU.
2021-04-23 20:30:16 -05:00
7ef514a1eb
Merge pull request #2 from quorten/bugfix/glu-jed
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Rename to proper glu.jed.
2021-04-04 11:23:50 -05:00
f60cd7e9ad
Rename to proper glu.jed.
2021-04-04 11:21:42 -05:00
02dcdadf15
Correction: Macintosh does not invert video signal.
2021-04-03 17:29:37 -05:00
2cae046d13
Add a few more helpful links.
2021-04-03 16:57:55 -05:00
20c56b0eda
Revisited PAL logic equations, now looking really great!
2021-04-03 16:44:32 -05:00
f039437b21
Fix notes section after physical board testing.
2021-03-31 17:53:08 -05:00
0dbba89a23
Add link to Macintosh 512k schematics.
2021-01-01 15:01:02 -06:00
4b6025439a
Add useful datasheets and info when working with BBU.
2020-12-31 10:06:37 -06:00
7669cfec2e
Add CAS PAL.
2020-12-31 09:23:08 -06:00
cd0f4a244e
Documentation updates.
2020-12-31 08:27:53 -06:00
df2eb72c7a
More links to related FPGA projects.
2020-12-30 18:49:18 -06:00
58ff6bd97f
Commit links to ROM projects.
2020-12-30 18:46:24 -06:00
f6d5493880
Commit a copy of Kai's GLU and MLB BOM.
2020-12-30 17:54:15 -06:00
6a8659a693
Also note shipping boxes in top-level.
2020-12-30 17:23:26 -06:00
1414816b4d
Update top-level README.md.
2020-12-30 17:10:43 -06:00
198bf1fac1
ASG on mac128pal.v, documentation links.
2020-12-30 17:02:42 -06:00
7be998a7e5
mac128k PAL equations looking pretty good now.
2020-12-27 22:25:03 -06:00
bf64640d5a
Fix some of the mac128pal problems.
2020-12-27 18:43:37 -06:00
92edcf0931
Transition to continuous assign, revealed equation problems.
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But otherwise with problems fixed, simulation should be a lot faster.
2020-12-27 15:52:23 -06:00
56dd957402
Mac 128k PAL signals mostly working, hooray!
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Also start working on BBU video timing signals, and documentation
improvements.
2020-12-27 09:19:35 -06:00
306024838b
Finally figured out S5 is a pull-up resistor.
2020-12-24 11:23:08 -06:00
b957f0cb84
Commit work-in-progress.
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Some improvements made on accuracy of circuit descriptions.
2020-12-22 18:05:27 -06:00
6a74bb5a13
Markdown file extension.
2020-12-20 09:53:31 -06:00
a72a279d0f
Add documentation on Macintosh case screws.
2020-12-20 09:48:11 -06:00
6618602b1a
BBU: Fix standard logic sim errors, naming improvement.
2020-11-30 13:50:57 -06:00
fe87fea02c
Fixes to mac128k PAL simulation issues, more documentation.
2020-11-28 16:36:09 -06:00
c490406c81
BBU: More analysis and insight.
2020-11-25 17:18:41 -06:00
602a9b564d
BBU: Add DRAM sim, almost done with mac128k.
2020-11-25 06:04:07 -06:00
600f120c85
RTC: Use open-drain signaling on 1SEC too.
2020-11-25 01:08:03 -06:00
6678c4b2ab
Commit BBU work-in-progress.
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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
4fa9303844
BBU: Commit work-in-progress, lots of corrections to be made.
2020-11-20 20:19:52 -06:00
62d2e920e7
Commit work-in-progress.
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Much better BBU pinout chart, lots of notes learned from Guide to the
Macintosh family hardware.
2020-11-18 10:21:05 -06:00
12eb917c24
Fix macro use bugs found with new iverilog.
2020-11-15 22:29:54 -06:00
757acda304
Better BBU README documentation.
2020-11-15 22:03:08 -06:00
58759b51b8
BBU work-in-progress, fix a few documentation issues.
2020-11-15 20:36:44 -06:00
f9200e43ac
Commit work-in-progress of BBU FPGA in Verilog.
2020-10-25 09:00:40 -05:00
bb049216e4
More schematic retrace corrections.
2020-10-25 08:59:42 -05:00
b762f521e4
Fix retrace errors, RDO should be RDQ.
2020-10-20 00:35:20 -05:00
389122f2aa
Fix some Mac SE schematic redraw errors, more detailed BBU notes.
2020-10-18 14:47:39 -05:00
ff5125bfb1
Add missing line above *IWM.
2020-10-18 12:16:08 -05:00
56c2d2a139
Improve color matching on mac128k box art.
2020-10-18 12:15:45 -05:00
cbf688bd19
Better info on BBU functions.
2020-10-18 12:15:14 -05:00
5c5c078ae4
Packaging: Add Macintosh 128k design.
2020-10-16 12:43:53 -05:00
1d08b176de
Add packaging foam retrace work files.
2020-10-10 10:55:32 -05:00
6f71120bbb
Note source photo URL.
2020-10-09 19:22:47 -05:00
3c97c4af43
Add script for getting Macintosh SE/30 halftone.
2020-10-09 19:13:21 -05:00
9042d685ee
RTC firmware: Fix handling of sysfs GPIO.
2020-10-03 17:56:50 -05:00
Andrew Makousky