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mirror of https://github.com/TomHarte/CLK.git synced 2024-11-23 03:32:32 +00:00
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11,700 Commits 8 Branches 121 Tags 496 MiB
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Author SHA1 Message Date
Thomas Harte
1154ffd072 Add a 'drive in use' indicator LED. 2024-03-25 15:03:54 -04:00
Thomas Harte
8ba9708942 Hopefully resolve the mystery of the latch writes. 2024-03-25 14:54:30 -04:00
Thomas Harte
521fca6089 Expose full bus to IOC dependents; add notes. 2024-03-25 11:07:44 -04:00
Thomas Harte
ae684edbe1 Formally decode bank/offset/type. 2024-03-25 10:16:36 -04:00
Thomas Harte
fa0a9aa611 Eliminate 'has_moved_rom_'. 2024-03-24 22:36:11 -04:00
Thomas Harte
5da9e0486a Simplify control flow. 2024-03-24 22:30:26 -04:00
Thomas Harte
6980fd760c Add further heavily-manual debugging aids. 2024-03-24 22:18:30 -04:00
Thomas Harte
3549488b7a Add round-trip test for status flags. 2024-03-24 22:18:16 -04:00
Thomas Harte
c1602cc8fe The keyboard and interrupts are currently trusted. 2024-03-23 21:49:52 -04:00
Thomas Harte
189dd176de Reguess state machine, fixing startup display. 2024-03-23 21:38:35 -04:00
Thomas Harte
3cf262d1f7 Improve terminology, add more documentation. 2024-03-23 21:12:01 -04:00
Thomas Harte
ccfc389274 Quieten where now confident. 2024-03-23 21:03:06 -04:00
Thomas Harte
0e07f802ac Use BACK state; accept other ACKs at any time. 2024-03-23 21:02:35 -04:00
Thomas Harte
55f92e2411 Adjust data abort address. 2024-03-23 20:31:47 -04:00
Thomas Harte
c720f3910a Avoid implicit sign cast. 2024-03-23 20:13:25 -04:00
Thomas Harte
4215edd11b Reduce noise. 2024-03-23 20:12:56 -04:00
Thomas Harte
09a61cf1a7 Don't expect an ACK after identifying. 2024-03-23 20:12:38 -04:00
Thomas Harte
5967ad0865 Sketch out whole protocol, albeit faulty. 2024-03-23 17:08:03 -04:00
Thomas Harte
eb34c38332 Add very faulty key input. 2024-03-23 15:58:48 -04:00
Thomas Harte
5ccb18225a Provide key states to the keyboard. 2024-03-23 15:43:04 -04:00
Thomas Harte
58bbce1a15 Avoid display errors upon back-pressure. 2024-03-22 22:01:12 -04:00
Thomas Harte
9ea3e547ee Fix IRQ/FIQ return addresses. 2024-03-22 21:42:34 -04:00
Thomas Harte
fb5fdc9f10 Actually apply video divider. 2024-03-22 10:24:24 -04:00
Thomas Harte
de7b7818f4 Add 4bpp output. 2024-03-22 10:18:25 -04:00
Thomas Harte
c4e6b18294 Manage pixel buffers. 2024-03-22 10:10:13 -04:00
Thomas Harte
ae6cf69449 Move responsibility for clock division; reinstate vsync interrupt. 2024-03-22 10:01:34 -04:00
Thomas Harte
4a2dcff028 Endeavour to map colours properly. 2024-03-21 21:53:50 -04:00
Thomas Harte
aa6acec8fa Don't hoard cycles per line value. 2024-03-21 21:47:27 -04:00
Thomas Harte
4ac4da908c Reduce TODOs, do _something_ with border colour. 2024-03-21 21:40:11 -04:00
Thomas Harte
66e62857c4 Give ostensibly clean timing to the CRT. 2024-03-21 21:29:53 -04:00
Thomas Harte
bbc0d8b050 Count time in phase correctly. 2024-03-21 21:15:25 -04:00
Thomas Harte
0f8bc416d1 Make first, faulty step into displaying a field. 2024-03-21 21:10:55 -04:00
Thomas Harte
2ec235170e Finish the thought on magic constants. 2024-03-21 20:45:17 -04:00
Thomas Harte
2de1a2dd0d Install and properly clock a CRT. 2024-03-21 20:41:24 -04:00
Thomas Harte
1f49c3b113 Give sound and video somewhere to read from. 2024-03-21 20:22:20 -04:00
Thomas Harte
5c645fb3c2 Switch to a fixed output clock; retain addresses. 2024-03-21 11:51:29 -04:00
Thomas Harte
40b5227f0b Deliver all addresses to the video outputter. 2024-03-21 11:24:47 -04:00
Thomas Harte
847dba8f07 Divide input pixel rate. 2024-03-21 11:03:28 -04:00
Thomas Harte
417c6c4629 Announce changes. 2024-03-21 10:51:52 -04:00
Thomas Harte
2d6a4d490e Add dummy retrace interrupt. 2024-03-21 10:02:56 -04:00
Thomas Harte
a6ec870872 Capture more audio detail. 2024-03-21 09:47:53 -04:00
Thomas Harte
389541be6d Pipe further sound parameters; obey divider. 2024-03-20 14:43:47 -04:00
Thomas Harte
208f3e24de Audio ticks are now included. 2024-03-20 14:30:21 -04:00
Thomas Harte
f7e36a1e03 Merge branch 'Archimedes' of github.com:TomHarte/CLK into Archimedes 2024-03-20 14:27:32 -04:00
Thomas Harte
1341816791 Break apart, switching to delegates for interrupts. 2024-03-20 14:26:56 -04:00
Thomas Harte
b986add74a Break apart, switching to delegates for interrupts. 2024-03-20 14:25:20 -04:00
Thomas Harte
08673ff021 Switch to macro blocks of execution; flail around audio. 2024-03-20 11:42:37 -04:00
Thomas Harte
3a2d9c6082 Give user access to ROM; clean up a touch. 2024-03-19 20:26:17 -04:00
Thomas Harte
43a3959b8f Don't data abort on missing low ROM. 2024-03-19 15:06:01 -04:00
Thomas Harte
85a738acff Get rigorous on exception addresses. 2024-03-19 15:03:31 -04:00