Thomas Harte
f5d3d6bcea
Splits the lowpass filter into push and pull variants.
2021-11-21 15:37:29 -05:00
Thomas Harte
dfcd1508c9
Establishes valid initial BRAM.
2021-09-10 19:56:20 -04:00
Thomas Harte
0ca4631279
Switch to zero-initialised state; be more careful about resetting data.
2021-09-09 23:08:13 -04:00
Thomas Harte
a6221ca322
Reload data only if an output is found.
2021-09-09 22:07:03 -04:00
Thomas Harte
c8699d9770
Correct Disk II sleeping test to allow for spin-down.
2021-07-16 17:12:57 -04:00
Thomas Harte
69c0734975
WD1770: switch motor on even if spin-up is disabled.
2021-06-21 23:26:55 -04:00
Thomas Harte
1d5144b912
Correct no-interrupt signal.
2021-06-04 22:38:07 -04:00
Thomas Harte
b7a62e0121
Adds SZX support.
...
Tweaking exposed Spectrum state object as relevant.
2021-04-26 20:47:28 -04:00
Thomas Harte
3348167c46
Ensures AY registers are conveyed.
2021-04-26 17:39:11 -04:00
Thomas Harte
73c8157197
Retain 6850 time tracking at all times.
2021-04-20 22:26:43 -04:00
Thomas Harte
af1dc2d3b2
Switches to correct non-value sentinel.
2021-04-20 21:56:58 -04:00
Thomas Harte
1266bbb224
Makes the TMS a sequence-point-generating JustInTimeActor.
2021-04-05 21:02:37 -04:00
Thomas Harte
8a11a5832c
Uses GI::AY38910::Utility far and wide.
2021-03-26 23:19:47 -04:00
Thomas Harte
f37f89a7d3
Merge branch 'master' into ZXSpectrum
2021-03-21 22:44:37 -04:00
Thomas Harte
58be770eaa
Factors out some boilerplate.
...
When I'm confident this is correct, I can fix up the other call sites.
2021-03-21 00:14:48 -04:00
Thomas Harte
650b9a139b
Tweak Master System blue scale.
2021-03-19 08:38:21 -04:00
Thomas Harte
6839e9e3b3
Ensures no double definition of NDEBUG.
2021-03-07 12:52:54 -05:00
Thomas Harte
86fd47545d
Silences.
2021-03-03 20:51:33 -05:00
Thomas Harte
71a107fe75
Silences the IWM again, for now.
2021-02-23 21:57:19 -05:00
Thomas Harte
a3e98907ca
Removes temporary printf.
2021-02-14 21:03:54 -05:00
Thomas Harte
ee5f45c979
Merge branch 'master' into AppleIIgs
2020-12-29 22:16:23 -05:00
Thomas Harte
dfe4e49110
Ensure proper in-memory ordering of the b72a2c70 ROM.
2020-12-29 22:08:48 -05:00
Thomas Harte
8ace258fbc
Tackles outstanding GCC warnings.
2020-11-22 21:43:56 -05:00
Thomas Harte
9b45c5a1cd
Resolves out-of-bounds reads.
2020-11-21 22:36:10 -05:00
Thomas Harte
4a42de4f18
Attempts to add 5.25" drive support to the IIgs.
...
I want to try some classic software.
2020-11-20 21:37:17 -05:00
Thomas Harte
98347cb1c3
Starts in the direction of audio support.
2020-11-18 18:39:11 -05:00
Thomas Harte
cddd72876f
Flips meaning of ejected bit, to please the IIgs.
2020-11-18 17:20:48 -05:00
Thomas Harte
37815a982a
Much logging later, corrects 7Mhz IWM windows.
...
Confirmed by mathematics — the new ones are seven-eighths the length of the established 8Mhz windows — and with reference to suitable Apple documentation.
2020-11-13 22:05:45 -05:00
Thomas Harte
b0fc2f6ecf
Amps up logging.
...
Current suspicion is that the IIgs isn't getting a clean byte stream, never mind whether my assumption of exactly-Mac-style GCR holds (which it probably doesn't).
2020-11-12 21:54:54 -05:00
Thomas Harte
81969bbea9
Improves logging, at least for now.
2020-11-12 21:17:14 -05:00
Thomas Harte
1f5908dc51
Corrects logging output.
2020-11-11 20:26:04 -05:00
Thomas Harte
72884c3ead
Does a better job of shifting output; takes a new guess at the no-receiver case.
...
ROM03 at least now reaches "check startup device!"
2020-11-11 20:19:35 -05:00
Thomas Harte
80358cf5bd
Shift output even if nobody is listening.
2020-11-11 20:04:48 -05:00
Thomas Harte
6d511f01a4
Ensures intended no-drive behaviour; no more risks with dangling pointers or nullptr.
2020-11-11 17:54:21 -05:00
Thomas Harte
6d3d7c6006
It seems like this fix is no longer needed.
2020-11-11 17:30:22 -05:00
Thomas Harte
03d1aff6c0
Fixes 8-bit read/write.
2020-10-30 22:17:55 -04:00
Thomas Harte
034056d0cd
Adds full 8-bit clock addressing; stubs clock into the IIgs.
2020-10-29 21:38:36 -04:00
Thomas Harte
1249fb598b
Factors Apple's RTC out of the Macintosh.
2020-10-29 21:03:02 -04:00
Thomas Harte
9447aa38be
Removes debugging printf.
2020-09-22 22:13:54 -04:00
Thomas Harte
022ec20e75
Tries to add semantic meaning to the various auxiliary control fields.
...
To consider: decoding at set?
2020-09-22 20:50:39 -04:00
Thomas Harte
41f69405d8
Don't decrement timer 1 from the system clock when in PB6 mode.
...
TODO: rest of PB6 mode.
2020-09-21 22:39:49 -04:00
Thomas Harte
8e242eea54
Ensures timer-linked PB7 output is actually output.
2020-09-20 15:03:26 -04:00
Thomas Harte
703065a0a5
Takes a run at timer-linked PB7 output behaviour.
...
Seemingly sufficiently to pass the VICE test (which I've transcribed), though with some guesswork.
2020-09-20 14:51:59 -04:00
Thomas Harte
e807a462a1
My new reading is that only a write to the counter should affect the interrupt flag.
2020-09-17 21:31:29 -04:00
Thomas Harte
18790a90ae
Ensures timer 2 doesn't use timed behaviour when in pulse mode.
2020-09-17 21:09:32 -04:00
Thomas Harte
21afc70261
Adds formal data-sheet names.
2020-09-17 19:00:46 -04:00
Thomas Harte
a17d0e428f
Protects against some further uninitialised values.
2020-09-16 18:15:57 -04:00
Thomas Harte
bb57f0bcc7
Ensures all 6560 properties have a valid default value.
2020-09-16 17:24:18 -04:00
Thomas Harte
fa95a17af5
Resolves receive_bit_count-unused warnings.
2020-07-24 21:59:27 -04:00
Thomas Harte
8aeebdbc99
Remove redundant comment.
2020-07-16 23:26:45 -04:00
