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Code Issues Projects Releases Wiki Activity
10,765 Commits 8 Branches 121 Tags 496 MiB
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503 Commits

Author SHA1 Message Date
Thomas Harte
6abc317986 Avoid permitting writes in the Cx00 region after uninhibiting the language card. 2022-06-28 16:35:47 -04:00
Thomas Harte
94fcc90886 Use auxiliary switches to control language card area when card is inhibited. 2022-06-28 12:46:31 -04:00
Thomas Harte
7aeaa4a485 Tweak paging semantics, to allow simple multiple dependencies. 2022-06-27 21:38:45 -04:00
Thomas Harte
ef40a81be2 Remove temporary hack. 2022-06-27 08:00:29 -04:00
Thomas Harte
21842052cf Alternative zero page should affect bank 0's language card area when the card is disabled. 2022-06-27 07:56:45 -04:00
Thomas Harte
5495f30329 Microtweak: simplify Macintosh pixel serialisation. 2022-06-06 08:34:58 -04:00
Thomas Harte
403eda7024 Add missing flush. 2022-06-05 09:08:36 -04:00
Thomas Harte
a61f7e38b6 Very minor: avoid division and modulus when unnecessary. 2022-06-03 15:39:29 -04:00
Thomas Harte
3d059cb751 Make use of Microcycle helpers where relevant. 
None of these existed when the Macintosh was first added to this emulator.
 2022-06-03 15:33:31 -04:00
Thomas Harte
1365fca161 Avoid phoney write modifies. 2022-05-27 21:42:55 -04:00
Thomas Harte
a611a745e7 Switch the Macintosh to 68000 mk2. 2022-05-24 12:35:36 -04:00
Thomas Harte
b0518040b5 Plants the seek of a 68000 mark 2. 2022-05-16 11:44:16 -04:00
Thomas Harte
866b6c6129 Eliminate off_t. 2022-04-27 19:16:37 -04:00
Thomas Harte
efff91ea3d Undo bad guess at initial switch state. 2022-04-17 17:03:05 -04:00
Thomas Harte
f8e8f18be5 Switch to std::clamp. 2021-11-26 18:10:29 -05:00
Thomas Harte
0df8173536 Merge branch 'master' into Amiga 2021-11-24 08:58:03 -05:00
Thomas Harte
f5d3d6bcea Splits the lowpass filter into push and pull variants. 2021-11-21 15:37:29 -05:00
Thomas Harte
da286d5ae8 Switch spaces to tabs. 2021-10-04 05:27:25 -07:00
Thomas Harte
fa71ae3174 Add apology. 2021-09-14 20:23:36 -04:00
Thomas Harte
dfcd1508c9 Establishes valid initial BRAM. 2021-09-10 19:56:20 -04:00
Thomas Harte
7e5fc4444a Default to ROM01. 2021-09-09 22:09:09 -04:00
Thomas Harte
d8e42c4379 Tweak guess at initial state. 2021-09-09 22:06:36 -04:00
Thomas Harte
dd37fa49a0 Stabilises Apple IIgs display. 2021-09-09 20:08:15 -04:00
Adam Smith
fdb676da4e . 2021-08-01 00:26:14 -07:00
Thomas Harte
10bf6744aa Correct typo. 2021-06-27 16:26:55 -04:00
Thomas Harte
1ea4130035 Avoid OpenGL restretching bug. 2021-06-13 19:46:47 -04:00
Thomas Harte
d18a537509 Fiddles with the preprocessor to make kiosk mode match other OSes even on macOS. 2021-06-13 19:28:05 -04:00
Thomas Harte
778b9ef683 Ensures set_square_pixels is exposed, works around OpenGL aspect ratio bug. 2021-06-07 20:41:02 -04:00
Thomas Harte
96e7eb1bed Adds a use-square-pixels option for the Apple II. 2021-06-07 20:16:01 -04:00
Thomas Harte
b6b3d845a3 Correct Apple IIe and Enhanced IIe startup. 2021-06-04 22:48:08 -04:00
Thomas Harte
f4db4c3a73 Implements ROM::Request::validate. 
It now also validates ROM sizes, so can no longer take a const Map.
 2021-06-04 18:54:50 -04:00
Thomas Harte
d923fe72c0 Resolves various ROM selection warnings. 2021-06-03 22:46:47 -04:00
Thomas Harte
0aa8c3c40d For SDL at least, advances to failed linking. 
... and with error reporting currently AWOL.
 2021-06-03 22:22:56 -04:00
Thomas Harte
a30eeaab6a Starts to introduce a new grammar for ROM requests. 
They can be optional, and chained together in AND or OR combinations. A central catalogue knows the definitions of all ROMs.
 2021-06-03 21:55:59 -04:00
Thomas Harte
0cf1c9040a Add missing fallthrough declaration. 2021-05-03 22:17:06 -04:00
Thomas Harte
db52f13c32 Disambiguates reset_all_keys. 2021-04-19 21:49:06 -04:00
Thomas Harte
094d623485 Updates unit tests. 2021-04-05 21:33:04 -04:00
Thomas Harte
d77ddaf4fa Switches the Electron to JustInTimeActor video. 
Also reorders template parameters; I think that specifying a different time base is likely to be more common than using a divider.
 2021-04-04 17:33:49 -04:00
Thomas Harte
158122fbf4 Determine TargetTimeScale automatically. 2021-04-04 15:37:07 -04:00
Thomas Harte
03ef81b07c Attempts to reduce initial bounce. 2021-03-23 17:12:00 -04:00
Thomas Harte
0f9ab53ea0 Resolves GCC warnings from dangling Apple IIgs work. 2021-03-21 22:36:18 -04:00
Thomas Harte
67408521cd Makes absolutely sure not to try to use quickboot workaround for Mac 128kb/512kb. 
Albeit that it should be harmless; it's just seeding RAM.
 2021-03-06 22:34:35 -05:00
Thomas Harte
7b164de6fd Reenables interrupts. 2021-03-06 18:53:39 -05:00
Thomas Harte
24e68166c6 Minor clean-ups of my temporary cruft. 2021-03-06 17:11:06 -05:00
Thomas Harte
b72474f418 Reduces debugging shout outs a touch. 2021-03-03 20:53:05 -05:00
Thomas Harte
38046d49aa Increases debugging noise. 2021-03-03 20:52:14 -05:00
Thomas Harte
4601421aa6 This conditional is gone. 2021-03-03 20:52:01 -05:00
Thomas Harte
2f45e07d82 Further consolidates region map, now that shadowing is orthogonal. 2021-02-28 15:22:36 -05:00
Thomas Harte
496b6b5cfc Introduces a further 128 bits of storage to eliminate the conditional in IsShadowed. 2021-02-28 15:14:32 -05:00
Thomas Harte
8604b1786e Simplifies banks $02+ to a single region. 2021-02-27 23:34:51 -05:00
Thomas Harte
267e28e012 Adds various bits of debugging detritus. 2021-02-27 22:27:57 -05:00
Thomas Harte
631a8a7421 Adds bitset header. 2021-02-27 22:13:49 -05:00
Thomas Harte
7dcb0553e4 Switches to a target-centric view of shadowing. 2021-02-27 22:13:10 -05:00
Thomas Harte
2a7ea9f57c Merge branch 'master' into AppleIIgs 2021-02-26 21:31:18 -05:00
Thomas Harte
9781460c41 Thanks to a hint from the MAME guys: finally completes Macintosh 128kb and 512kb emulation (!) 2021-02-26 21:22:35 -05:00
Thomas Harte
55c9d152e9 Slightly smarter: this does branchless shadowing without additional storage. 2021-02-24 18:46:41 -05:00
Thomas Harte
6cf9099ce1 Don't clear the mouse data full flag until both registers have been read. 2021-02-23 21:57:02 -05:00
Thomas Harte
e6dc39f6f0 Makes an attempt at mouse event transmission. 2021-02-19 22:48:15 -05:00
Thomas Harte
28ce675c96 Takes a further stab at ::CommandDataIsValid. 2021-02-19 22:22:14 -05:00
Thomas Harte
3d91b0a31b Fixes keyboard data return. 
Input sort of works now! Except that key repeat is way out of control.
 2021-02-19 21:55:06 -05:00
Thomas Harte
5d1970d201 Adds a hacky different guess at how register access might work. 2021-02-19 21:46:18 -05:00
Thomas Harte
72d7901c88 Takes a shot at the keyboard data full flag. 
Just a guess. But likely?
 2021-02-19 20:06:12 -05:00
Thomas Harte
60cfec6a65 Amongst ever more cruft, adds a couple of extra asserts. 2021-02-18 22:49:48 -05:00
Thomas Harte
2e9065b34c Increases number of fixed initial values. 2021-02-18 22:48:53 -05:00
Thomas Harte
e42843cca0 This may temporarily exhaust my wit for asserts. 2021-02-16 22:47:46 -05:00
Thomas Harte
3336a123f8 Asserts even more overtly. 2021-02-16 22:33:28 -05:00
Thomas Harte
28bd620e7f Adds joystick support to the IIgs. 2021-02-16 19:39:22 -05:00
Thomas Harte
b117df3367 Factors out joystick logic. 2021-02-16 19:17:32 -05:00
Thomas Harte
fa8236741d Takes a shot at an ADB mouse. 2021-02-15 20:49:16 -05:00
Thomas Harte
e16d5f33d1 Adds service requests. The microcontroller now appears to consume keyboard events. 2021-02-15 20:33:10 -05:00
Thomas Harte
e773b331cd Implements register 2 listen. 2021-02-15 15:05:46 -05:00
Thomas Harte
99c21925f4 Makes attempt at keyboard mapping. 2021-02-15 15:00:12 -05:00
Thomas Harte
eccf5ca043 Makes first effort to wire up the ADB vertical blank input. 
However: looking at the disassembly, I'm not sure it really is wired to INTR. So work to do.
 2021-02-14 22:20:58 -05:00
Thomas Harte
24af62a3e5 Sets a default handler of 1. 2021-02-14 22:20:07 -05:00
Thomas Harte
52cf15c3e6 Attempts to route out modifier state. 2021-02-14 21:15:31 -05:00
Thomas Harte
a791680e6f Implements set_status as per advice. 2021-02-14 21:04:20 -05:00
Thomas Harte
6e53b4c507 Corrects centralised ADB decoder. 
I still think it's appropriate to do this in only a single place, given that using it is optional.
 2021-02-14 20:41:05 -05:00
Thomas Harte
52c38e72f6 Starts seeking to automate register 3 handling. 
Immediate pitfall: byte capture on the bus side isn't working correctly.
 2021-02-14 20:37:33 -05:00
Thomas Harte
a51d143c35 Corrects reactive-device transmission logic. 
Albeit that I'm still not properly responding to register 3 stuff, so the ADB bus needn't believe anything is out there. Also, without VSYNC being piped to the microcontroller it may well just not be polling anyway.
 2021-02-14 18:54:22 -05:00
Thomas Harte
17e9305282 Starts adding a keyboard. 2021-02-13 23:16:45 -05:00
Thomas Harte
c284b34003 Resolves inability of ADB microcontroller to read its own ROM (!) 2021-02-13 17:53:40 -05:00
Thomas Harte
2ab3bba695 Attempts GLU register latching, restoring expected startup sequence. 2021-02-13 17:38:42 -05:00
Thomas Harte
2c4dcf8843 Edges towards implementing an ADB device. 2021-02-12 21:50:24 -05:00
Thomas Harte
ea40b2c982 Takes a stab at implementing device response. 2021-02-12 18:56:43 -05:00
Thomas Harte
adfdfa205f Starts to establish the means by which I'll implement ADB devices. 2021-02-12 18:42:12 -05:00
Thomas Harte
33abdc95aa Adds a helper for decoding ADB commands. 
Still very noticeably to do: any sort of standard part for devices to respond to the bus.
 2021-02-10 21:39:33 -05:00
Thomas Harte
6ca8aa99fc Commit SDL and Qt project files; improve commenting. 2021-02-10 21:28:32 -05:00
Thomas Harte
17bac4c8cf Starts to formalise the ADB bus. 2021-02-10 21:24:31 -05:00
Thomas Harte
46bd20b5e0 Attempts to simplify ADB bit parsing. 
On-line output still looks reasonable, albeit that the microcontroller suddenly seems to be interested in devices F and 3 rather than 2 and 3.
 2021-02-08 22:08:49 -05:00
Thomas Harte
93a80a30d3 With correct divider appears to get reset requests posted. 2021-02-07 23:05:01 -05:00
Thomas Harte
77b1efd176 Sets sensible 'reset' values. 2021-02-07 21:53:57 -05:00
Thomas Harte
acfab1dfb3 Starts to make some effort at timers. 2021-02-06 21:02:44 -05:00
Thomas Harte
b8c6d4b153 Rips out my high-level ADB microcontroller protocol implementation. 
Adds just enough that the main computer validates the ADB controller as present and talking.
 2021-01-30 17:53:27 -05:00
Thomas Harte
f50e8b5106 If I'm going to maintain the max_address approach, & is 'correct'. 
% +1 would be 'more correct', but I think this approach is probably misguided.
 2021-01-27 18:31:11 -05:00
Thomas Harte
dcc2fe0990 Improves M50470 entry-point detection, adds test output. 2021-01-26 21:29:17 -05:00
Thomas Harte
56111c75ae Makes first efforts towards disassembly. 2021-01-26 19:52:30 -05:00
Thomas Harte
fc4bda0047 Experimentally flipping interpretation of the output bit gives something closer to coherent. 2021-01-25 22:02:39 -05:00
Thomas Harte
c8beb59172 Attempts properly to track ADB bus activity. 
Output is not yet a valid ADB stream. Work to do.
 2021-01-25 17:43:22 -05:00
Thomas Harte
8789ffda15 Corrects performer storage, RMW/W confusion, implicit casts, port readback. 2021-01-24 22:30:42 -05:00
Thomas Harte
e8e604dc3c Attempts to wire up M50470 and GLU. 
Resulting in an unexpected interest in R15. Bugs to find, I guess.
 2021-01-24 18:07:05 -05:00