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71 Commits

Author SHA1 Message Date
Thomas Harte
8a11a5832c Uses GI::AY38910::Utility far and wide. 2021-03-26 23:19:47 -04:00
Thomas Harte
2477752fa4 Adds further [[fallthrough]] attributes. 2020-06-19 23:36:51 -04:00
Thomas Harte
512a52e88d Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style. 2020-05-20 23:34:26 -04:00
Thomas Harte
25996ce180 Further doubles down on construction syntax for type conversions. 2020-05-09 23:00:39 -04:00
Thomas Harte
f417fa82a4 Splits 'CRTMachine' into three parts: ScanProducer, AudioProducer, TimedMachine. 
Simultaneously cleans up some of the naming conventions and tries to make things a bit more template-compatible.
 2020-04-01 23:19:34 -04:00
Thomas Harte
311458f41f Restores Macintosh 'runtime' options. 
Also cleans up some leftover parts elsewhere.
 2020-03-18 21:50:02 -04:00
Thomas Harte
a7e1920597 Restores ColecoVision runtime options. 2020-03-18 00:06:52 -04:00
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
50d356be2f Ensures all audio sources, including compound sources, announce whether they're stereo correctly. 2020-02-16 18:31:45 -05:00
Thomas Harte
e02d109864 Nudges the LowpassSpeaker towards supporting stereo generation. 2020-02-15 18:03:12 -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
6802318784 Removes audio_queue_.flush() calls; I don't think I really need to block. At least, not usually. 2020-01-23 20:13:16 -05:00
Thomas Harte
a86fb33789 Ensures that the ColecoVision, MSX and Master System fully flush. 2020-01-22 22:57:16 -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
274867579b Deploys constexpr as a stricter const. 2019-12-22 00:22:17 -05:00
Thomas Harte
d85ae21b2f Adds an explicit declaration of chip type to all AY users. 2019-12-18 19:28:41 -05:00
Thomas Harte
2c25135d8a Fixes const correctness for joystick machines; the ST is now one such. 2019-11-09 18:19:05 -05:00
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
f3dd4b028d Rolls out JustInTime acting to the MSX and ColecoVision. 2019-07-29 21:22:31 -04:00
Thomas Harte
a43ada82b2 Experiments with a JustInTimeActor in the Master System. 2019-07-29 15:38:41 -04:00
Thomas Harte
2432151bf8 Puts machine name into ROMMachine::ROM. 
Also switches to idiomatic exit codes.
 2019-07-22 21:14:21 -04:00
Thomas Harte
712cb473f7 Adds extended ROM information for the CPC and ColecoVision. 2019-07-20 17:07:59 -04:00
Thomas Harte
20670bab2f Expands information included in ROM load requests. 2019-07-19 22:35:22 -04:00
Thomas Harte
c11a1f9679 Introduces S-Video support for the ColecoVision. 2019-03-02 23:02:37 -05:00
Thomas Harte
0536697d8f Corrects scope of delay. 2019-02-28 18:46:28 -05:00
Thomas Harte
0dbd8a667d Corrects delay for SN access. 2019-02-27 22:58:43 -05:00
Thomas Harte
d2da55aa03 Adds a single-cycle M1 delay to the ColecoVision. 2019-02-27 22:01:30 -05:00
Thomas Harte
c7c21a7e2c Sorry, ColecoVision, it's composite only for you. 2019-02-24 22:37:24 -05:00
Thomas Harte
601961deeb Wires through set_display_type. 2018-11-29 20:44:21 -08:00
Thomas Harte
ee89be6730 Removes many stray spaces. 2018-11-23 22:32:32 -05:00
Thomas Harte
9dff13cbbf Re-establishes output from the machines with 9918s and derivatives. 2018-11-14 22:25:19 -05:00
Thomas Harte
8a699b6072 Kills setup_output definitively, saving some indirection. set_scan_target takes its place. 2018-11-14 21:52:57 -05:00
Thomas Harte
b40211d2c0 Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship. 2018-11-03 21:54:25 -04:00
Thomas Harte
da4d883321 Adds first, incomplete attempts to talk to a ScanTarget from the CRT. 
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
 2018-11-03 19:58:44 -04:00
Thomas Harte
c365cca38a Makes order of operations explicit. 2018-10-18 22:37:04 -04:00
Thomas Harte
6a2db52adb Ensures safe Megacart cartridge sizes too. 2018-10-18 21:09:05 -04:00
Thomas Harte
34e13d0d4d Clears top bit when reading the keypad and ensures no undefined behaviour reading the cartridge. 2018-10-18 21:05:58 -04:00
Thomas Harte
d9e65cd758 Ensures neither the ColecoVision nor the MSX processes mid-cycles. 2018-09-21 22:53:35 -04:00
Thomas Harte
e7f4babf41 Starts taking steps towards SMS/GG and V9938/9958 support. 
Specifically: routine namespace stuff, plus the intention to move to a table-based operation+cost version of timing. Reordering works fine for the TMS, and probably would also for the SMS/GG, but it'd be problematic with the command engine of the V9938/9958 and maintaining a consistent set of code is easier.
 2018-09-17 22:59:16 -04:00
Thomas Harte
0897210969 Neither cartridge machine should be a media target; their media can't be changed at runtime. 2018-07-10 21:40:13 -04:00
Thomas Harte
7e58a44771 Renames ConfigurationTarget to MediaTarget as per its newly-reduced interface. 2018-07-10 21:32:28 -04:00
Thomas Harte
3862fdb44c Simplifies initialisation procedure for all machines. 
With the side effect of allowing every machine to try to load only the ROMs that it needs.
 2018-07-10 20:00:46 -04:00
Thomas Harte
2954373115 Introduces an intermediary for digital <-> analogue conversion. 2018-06-11 21:35:03 -04:00
Thomas Harte
3ea2a4ccb8 Moves the joystick class towards accepting analogue inputs. 2018-06-10 20:45:52 -04:00
Thomas Harte
b3f4d0ed8c Imposes a three-cycle penalty for SN76489 access. 
This is my reading of (i) the SN76489 data sheet; plus (ii) the ColecoVision schematic.
 2018-05-16 19:06:03 -04:00
Thomas Harte
0b771ce61a Removes all instances of the copyright symbol. 2018-05-13 15:19:52 -04:00