Apple-2-HW/micro-sci-a2-controller
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mirror of https://codeberg.org/cryu/micro-sci-a2-controller synced 2025-02-16 11:30:32 +00:00
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  • 64c5171532 Add diagnostic disk. 74ls245 Your Name 2023-09-12 15:55:49 +09:00
  • 83f64eddc5 Use netclasses for uniformity. Christopher RYU 2023-08-26 18:09:45 +09:00
  • c155501112 Checkpoint. Christopher RYU 2023-08-26 16:50:52 +09:00
  • 5baeda46cd Start productionizing the README. Christopher RYU 2023-08-25 16:54:17 +09:00
  • 2b11369dad Checkpoint. Christopher RYU 2023-08-25 16:45:25 +09:00
  • b5cfad87bd Checkpoint. Christopher RYU 2023-08-25 13:50:41 +09:00
  • 360287e127 Nuke Micro-Sci timing option; the two are equivalent, and Franklin's scheme uses one less trace. Christopher RYU 2023-08-25 13:24:58 +09:00
  • 6b083c6769 Document the changes so far. Christopher RYU 2023-08-25 11:42:20 +09:00
  • e0999f8a64 Checkpoint -- we're done separating into logical components. Christopher RYU 2023-08-25 11:32:10 +09:00
  • 18d1a7b7c7 Checkpoint. Christopher RYU 2023-08-25 10:28:46 +09:00
  • 219f1d4bd4 Checkpoint. Christopher RYU 2023-08-25 07:47:45 +09:00
  • 802157185e Major rework, watch for falling orcs. Christopher RYU 2023-08-24 22:22:38 +09:00
  • 870c2c5e87 Checkpoint. Christopher RYU 2023-08-24 14:04:22 +09:00
  • b0007be8e8 First attempt at interposing a 74LS245, so that we can use a no-slot clock. Christopher RYU 2023-08-24 11:55:52 +09:00
  • 9cf7d60e07 Syntax and brevity main Christopher RYU 2023-08-22 18:34:14 +09:00
  • 322fd4077f Dick Huston wrote the Apple controller firmware. Christopher RYU 2023-08-22 18:33:00 +09:00
  • 6ada2b2cbe Re-render. Christopher RYU 2023-08-08 17:29:15 +09:00
  • ea7c90dfce Add pull-up resistors where appropriate. Christopher RYU 2023-07-30 19:53:06 +09:00
  • 67ce44a530 Revise DIP switch documentation. Christopher RYU 2023-07-30 05:38:22 +09:00
  • c473345ca5 Add CMOS construction notes. Christopher RYU 2023-07-29 17:47:11 +09:00
  • 819d7f47a0 Oops, flip transistor around. Christopher RYU 2023-07-29 17:37:44 +09:00
  • c458ee9cb5 Use CMOS parts where appropriate (verified!) Christopher RYU 2023-07-29 17:33:56 +09:00
  • b90fc42787 Nuke erroneously added files. NSC Christopher RYU 2023-07-29 06:35:24 +09:00
  • 16b28f852f Sync. Christopher RYU 2023-07-29 06:33:03 +09:00
  • 710d10a0af Rename two files. Christopher RYU 2023-07-29 06:32:37 +09:00
  • dafa697693 Rework labels. Christopher RYU 2023-07-29 06:16:00 +09:00
  • 61dc141610 Reformat for readability. Christopher RYU 2023-07-29 06:08:13 +09:00
  • def53563b0 Use our macro to keep this readable. Christopher RYU 2023-07-29 06:07:45 +09:00
  • 4f204c718f Add custom screencode macro. Christopher RYU 2023-07-29 06:07:10 +09:00
  • 8f415a7306 Reformat, add comments from S.Elliott@AppleFritter Christopher RYU 2023-07-28 10:09:51 +09:00
  • 49fa0c2180 Use screen code macro for readability. Christopher RYU 2023-07-28 08:26:15 +09:00
  • 8143c80334 Add minimal calibration procedure. Christopher RYU 2023-07-27 14:17:21 +09:00
  • eb26141a55 Add original user documentation. v0.2 Christopher RYU 2023-07-26 10:22:07 +09:00
  • a2890cb58e Update. Christopher RYU 2023-07-20 07:22:28 +09:00
  • 1dfc0eb9b6 Re-render. Christopher RYU 2023-07-20 07:08:23 +09:00
  • 3d57fce57a Checkpoint. Christopher RYU 2023-07-20 07:07:32 +09:00
  • 00e81100b7 Checkpoint. Christopher RYU 2023-07-20 07:07:15 +09:00
  • 525cd5491d Documentation cleanup. Christopher RYU 2023-07-19 12:02:28 +09:00
  • 19b4305c70 Re-render. Christopher RYU 2023-07-19 12:01:04 +09:00
  • ee1dc4359b Add jumper for single-connector FloppyEmu support. Christopher RYU 2023-07-19 11:59:51 +09:00
  • 56463e208f Ignore production/* Christopher RYU 2023-07-19 11:58:54 +09:00
  • 45965c9640 Re-render. Christopher RYU 2023-07-19 04:22:46 +09:00
  • 814b73442a Adjust resistor placement. Christopher RYU 2023-07-18 17:00:27 +09:00
  • 40e086a8a8 Align U7 with rest of row, add decoupling cap, add calibration information. Christopher RYU 2023-07-18 16:13:17 +09:00
  • 4e5cc8e495 Merge pull request 'Update jumper documentation.' (#2) from 2716 into main Christopher Ryu 2023-07-18 06:35:19 +00:00
  • 2ed74654e0 Update jumper documentation. Christopher RYU 2023-07-18 15:31:29 +09:00
  • b139c34060 Merge pull request '2716' (#1) from 2716 into main Christopher Ryu 2023-07-18 06:27:18 +00:00
  • 245af989b8 Align resistor and tighten tracks. Christopher RYU 2023-07-18 15:22:26 +09:00
  • 15f7b97611 Re-render. Christopher RYU 2023-07-18 15:22:17 +09:00
  • fcbd642f1f Shift top IC row down a bit to make room for flat transistor ... Christopher RYU 2023-07-18 14:44:27 +09:00
  • 469f413875 Document more changes for v0.2 Christopher RYU 2023-07-18 14:44:17 +09:00
  • af63708c05 Re-render. Christopher RYU 2023-07-18 09:47:52 +09:00
  • 95c12f20e5 Move capacitor in case we want to reposition the transistor. Christopher RYU 2023-07-18 09:46:53 +09:00
  • e53156d86b Switch to TO-220 for better clearance. Christopher RYU 2023-07-18 09:31:36 +09:00
  • 268c33ffeb Clean up schematic a bit. Christopher RYU 2023-07-18 09:24:27 +09:00
  • c3c98ea406 Add all missing bypass capacitors. Christopher RYU 2023-07-18 09:21:48 +09:00
  • 8deda74495 Replace jumpers with DIP switch. Christopher RYU 2023-07-18 08:44:13 +09:00
  • 99844496bf Reduce resistor footprint length. Christopher RYU 2023-07-18 08:35:39 +09:00
  • 1621afa43a Switch from axial to radial capacitors. Christopher RYU 2023-07-18 08:24:04 +09:00
  • 57e7a657a2 Normalize power rail trace widths. Christopher RYU 2023-07-18 08:19:58 +09:00
  • 5459bf5336 Add test points, reduce size of bypass caps and move to better location. Christopher RYU 2023-07-18 08:11:47 +09:00
  • 1f28446a46 Use ground pours. Christopher RYU 2023-07-18 07:30:29 +09:00
  • 0caadf74e9 Add additional ripple-filtering capacitor per Franklin schematic. Christopher RYU 2023-07-18 07:15:58 +09:00
  • 44d1fb3650 Most capacitors are non-polarized. Christopher RYU 2023-07-17 08:59:32 +09:00
  • 2c0104d331 Clean up and modularize schematic. Christopher RYU 2023-07-17 08:34:51 +09:00
  • b0e71dc415 Ignore another file. Christopher RYU 2023-07-17 08:33:56 +09:00
  • 88e7f1d19e Re-render. Christopher RYU 2023-07-16 17:30:21 +09:00
  • 22aa75f0b7 Add jumpers to select Micro-SCI / Franklin timing behavior. Christopher RYU 2023-07-16 13:34:42 +09:00
  • 62acaa93a0 Checkpoint. rework Christopher RYU 2023-07-16 12:22:36 +09:00
  • 151b864303 Clean up schematic. Christopher RYU 2023-07-16 12:21:38 +09:00
  • c1569ee8c9 Remove obsolete comment. Christopher RYU 2023-07-16 11:59:01 +09:00
  • 92d099a7b2 v0.2: use a 2716/2732 EPROM. Christopher RYU 2023-07-16 11:54:43 +09:00
  • 1b3356bba9 Switch to 2716/2732. Christopher RYU 2023-07-16 11:48:36 +09:00
  • d8e83b9452 Document need for 2708 and availability of 2716/2732 version. v0.1 Christopher RYU 2023-07-16 11:34:23 +09:00
  • 6efc07ffb5 Light documentation. Christopher RYU 2023-07-16 11:32:11 +09:00
  • 1f53d634b0 Add firmware builder. Christopher RYU 2023-07-16 11:28:35 +09:00
  • d7bbd06938 Add Franklin-sourced schematics (with timing calibration procedure) Christopher RYU 2023-07-16 11:26:59 +09:00
  • 49e16246c5 Fix URL. Christopher RYU 2023-07-16 11:23:02 +09:00
  • 4dc2dcec35 Board verified working (change C2/C3 values, note Franklin board difference) Christopher RYU 2023-07-16 11:19:59 +09:00
  • 550be02f23 Fix SW1 documentation. Christopher RYU 2023-07-11 14:16:58 +09:00
  • 4d0205ea08 Checkpoint. Christopher RYU 2023-07-11 14:14:20 +09:00
  • 6a6298c474 Add a few comments (from S. Elliott at AppleFritter) Christopher RYU 2023-07-11 12:54:14 +09:00
  • a75db34b1c Add MD5 hashes of each binfile for comparison. Christopher RYU 2023-07-11 11:31:31 +09:00
  • ebc4cc4e00 Convert everything to ca65 Christopher RYU 2023-07-11 10:27:56 +09:00
  • 1bb9a525c8 Final renaming. Christopher RYU 2023-07-11 10:09:23 +09:00
  • 93524c701e Refactor/cleanup. Christopher RYU 2023-07-11 10:05:23 +09:00
  • 18898340a9 General cleanup. Christopher RYU 2023-07-11 10:02:58 +09:00
  • 604aa8e834 Build more targets. Christopher RYU 2023-07-11 10:02:45 +09:00
  • fafb7e2dcd Convert to ca65 Christopher RYU 2023-07-11 10:02:24 +09:00
  • e6cc48b268 Add .gitignore. Christopher RYU 2023-07-11 09:56:20 +09:00
  • 8015bc2e42 Add unified 13/16-sector source and build it. Christopher RYU 2023-07-11 09:55:51 +09:00
  • ed08dd33dd Smaller resistor footprint, reroute more. Christopher RYU 2023-07-11 06:06:14 +09:00
  • 8453a1ee53 Capacitors, switches, things like that. Christopher RYU 2023-07-10 16:22:40 +09:00
  • 1ccc67d7c0 More rerouting. Christopher RYU 2023-07-10 09:47:39 +09:00
  • 78703ab8fe Re-render. Christopher RYU 2023-07-10 09:41:43 +09:00
  • cc11652c95 Replace 2708 with 2716/2732, add ground pour, reroute. Christopher RYU 2023-07-10 09:39:38 +09:00
  • b373a8715b Add 2716/2732 part. Christopher RYU 2023-07-10 09:39:22 +09:00
  • c73a7330b7 Document jumpers. Christopher RYU 2023-07-10 06:04:26 +09:00
  • 98fe9fcda7 Add firmware WIP. Christopher RYU 2023-07-10 05:59:05 +09:00
  • 42cef0320e Fix path. Christopher RYU 2023-07-10 05:44:04 +09:00