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147 Commits

Author SHA1 Message Date
Thomas Harte
394ee61c78 Starts a switch to reflectable-style runtime options. 
The Amstrad CPC and ZX80/81 have made the jump so far, subject to caveats. The macOS build is unlikely currently to work properly.
 2020-03-16 23:25:05 -04:00
Thomas Harte
8e3bf0dbca Starts moving towards a Deflectable-based system of runtime options. 2020-03-15 23:48:53 -04:00
Thomas Harte
1a2872c815 Starts to build an easy set interface. 2020-03-13 22:42:37 -04:00
Thomas Harte
0502e6be67 Starts working towards a registration-based model of reflective enums. 2020-03-10 22:32:55 -04:00
Thomas Harte
9835e800ec Fixed: individual audio generators now either are or are not stereo. The speaker acts accordingly. 2020-02-16 18:28:03 -05:00
Thomas Harte
e02d109864 Nudges the LowpassSpeaker towards supporting stereo generation. 2020-02-15 18:03:12 -05:00
Thomas Harte
9ca2d8f9f2 Tried to be less lazy with lambda captures. 
This is primarily defensive.
 2020-02-14 23:39:08 -05:00
Thomas Harte
3df99788ff Removes TODOs, as I think they're probably inappropriate. 2020-02-13 21:19:23 -05:00
Thomas Harte
3600d2d193 Starts switching towards a byte-oriented bus. 2020-02-13 21:14:13 -05:00
Thomas Harte
ff39f71ca0 Eliminates meaningless constants from the Macintosh video's CRT setup. 2020-01-30 23:29:04 -05:00
Thomas Harte
7316a3aa88 Merge branch 'master' into FinalOverride 2020-01-26 23:42:25 -05:00
Thomas Harte
79bb0f8222 Updates comment. 2020-01-26 11:36:06 -05:00
Thomas Harte
294e09f275 All these 'override's can be 'final's. 
At least for the purpose of being communicative. I doubt there's much to gain in terms of compiler output — the DiskImageHolder can avoid some virtual lookups but nothing else leaps out.
 2020-01-23 22:57:51 -05:00
Thomas Harte
a71c5946f0 Ensures proper manipulation of scan_statuses, leading to the correct result out of a CRTMachine. 
Possibly with the exception of the TMS, as I appear to have uncovered an unrelated issue there.
 2020-01-21 22:28:25 -05:00
Thomas Harte
d97a073d1b Adds the necessary routine for all machines to be able to respond to get_scan_status. 
They all just as the CRT, as all are currently based on the CRT. Which doesn't currently know the total clock rate it would need to in order properly to scale the answer to the question. Further thought coming.
 2020-01-20 21:45:10 -05:00
Thomas Harte
c1bae49a92 Standardises on read and write for bus accesses. 
Logic being: name these things for the bus action they model, not the effect they have.
 2020-01-05 13:40:02 -05:00
Thomas Harte
5456a4a39d Eliminates static where constexpra aren't class members; adds some if constexprs for clarity. 2019-12-22 13:42:24 -05:00
Thomas Harte
274867579b Deploys constexpr as a stricter const. 2019-12-22 00:22:17 -05:00
Thomas Harte
860837d894 Corrects: KeyPad -> Keypad. Also fleshes out Atari ST keyboard mapping. 2019-11-09 18:02:14 -05:00
Thomas Harte
1c154131f9 Expands size of storage in Cycles/HalfCycles; adjusts widely to compensate. 2019-10-29 22:36:29 -04:00
Thomas Harte
1d790ec2a9 Adds the option for a clock conversion to JustInTimeActor and slows the MFP's clock rate. 2019-10-28 21:35:10 -04:00
Thomas Harte
c4ef33b23f JustInTimeActors can now specify a clock divider. 2019-10-20 20:38:55 -04:00
Thomas Harte
fbf95ec2b8 Removes the now empty local namespace. 2019-09-24 22:48:47 -04:00
Thomas Harte
077c7d767f Shifts essential modifiers up to the Keyboard class. 
I had forgotten that mappers are not exposed.
 2019-09-22 13:48:50 -04:00
Thomas Harte
a416bc0058 Adds an interface allowing keyboard mappers to declare modifiers that are 'essential'. 
i.e. ones that, if not delivered reliably, will cause the related machine to behave unexpectedly.
 2019-09-22 13:14:09 -04:00
Thomas Harte
5f16fa8c08 Removes dead reference to video from VIAPortHandler. 2019-09-21 17:39:45 -04:00
Thomas Harte
e7bf0799b6 Implements every-other-cycle-during-pixels RAM timing. 2019-09-21 17:25:20 -04:00
Thomas Harte
2e24da4614 Implements quick booting, and edges towards exposing it on the Mac. 
It should already work in kiosk mode.
 2019-09-19 22:32:12 -04:00
Thomas Harte
e46601872b Establishes that the Macintosh offers the quick-boot option. 2019-09-19 21:50:39 -04:00
Thomas Harte
776b819a5a Adds the SCSI bus as an Activity::Source. 2019-09-19 19:31:22 -04:00
Thomas Harte
962275c22a Removes clock for NCR 5380. 
It doesn't have one in real life, and now can live off the time counting that occurs on the SCSI bus.
 2019-09-18 20:17:47 -04:00
Thomas Harte
243e40cd79 Adds signalling of DACK. 2019-09-14 13:48:33 -04:00
Thomas Harte
1c7e0f3c9d Fixes control line modification by the 5380 and SCSI target command chaining. 
So now I'm back to trying to guess how a SCSI command terminates re: the relative meanings of a message phase and a status phase.
 2019-09-02 23:14:37 -04:00
Thomas Harte
318cdb41ea Adds SCSI bus clocking to the Macintosh, and fixes its internal counting. 2019-09-02 16:03:33 -04:00
Thomas Harte
2f8e31bc8b Takes a first bash at implementing the new SCSI::Bus timing infrastructure. 2019-09-02 13:00:01 -04:00
Thomas Harte
1a60ced61b Starts trying to deal with creating a whole volume from merely a partition. 2019-08-25 23:03:54 -04:00
Thomas Harte
ca08716c52 Introduces real hard disk images to the nascent world of SCSI. 2019-08-25 17:03:41 -04:00
Thomas Harte
90cf99b626 Takes a wild swings at speeding up startup. 
With no success.
 2019-08-18 22:40:16 -04:00
Thomas Harte
f668e4a54c Makes an attempt at getting the 5380 past arbitration. 
Not entirely successful. Also gets a bit smarter with `final` on ClockingHint::Sources.
 2019-08-15 23:14:40 -04:00
Thomas Harte
0f67e490e8 Adjusts NCR address decoding to produce a more plausible initial interaction. 2019-08-11 22:43:25 -04:00
Thomas Harte
895c315fa5 Increases the Mac Plus too 4mb. 2019-08-11 21:41:12 -04:00
Thomas Harte
a90a74a512 Stubs in just enough of the 5380 to get a Mac Plus too boot. 2019-08-11 20:55:20 -04:00
Thomas Harte
bbd4e4d3dc Enhances memory map fidelity to allow for ROM holes on the Mac Plus. 
This is how the ROM detects the difference between the Plus and the 512ke, it seems.
 2019-08-10 23:53:34 -04:00
Thomas Harte
bac0461f7f Switches the drive-speed accumulator to the delegate pattern. 
This allows the Macintosh to ensure that the IWM is kept up just-in-time with drive speed changes.
 2019-08-07 21:39:23 -04:00
Thomas Harte
f26a200d78 Switches to a JustInTimeActor to wrap the IWM. 
Also simplifies potential future usage of the IWM template.
 2019-08-07 21:28:02 -04:00
Thomas Harte
0e293e4983 Relocates RAM delay test in order to scrape out a minor performance win. 2019-08-03 21:46:45 -04:00
Thomas Harte
478f2533b5 Corrects 68000 address bus during interrupt acknowledge. 
All unused bits should be 1, not 0.
 2019-08-03 15:38:36 -04:00
Thomas Harte
a07488cf1b Introduces the Mac Plus memory map. 
Albeit with no SCSI support yet.
 2019-08-02 22:26:40 -04:00
Thomas Harte
d67c5145c0 Introduces RAM access delays. 2019-08-02 22:12:34 -04:00
Thomas Harte
5e76d593af Switches to table-based address decoding. 2019-08-02 21:30:04 -04:00