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Commit Graph

875 Commits

Author SHA1 Message Date
Thomas Harte
a0d14f4030 Starts trying to make sense of the various fields at play. 2020-04-08 23:15:44 -04:00
Thomas Harte
dd6769bfbc Splits OPLL and OPL2 classes.
Logic is: they have different mixers (additive in the OPL2, time-division multiplexing in the OPLL) as well as different register sets. So I'll put operator and channel logic directly into those structs.
2020-04-07 23:15:26 -04:00
Thomas Harte
db4b71fc9a Adds correct LSFR, something of OPLL -> OPL2 logic. 2020-04-05 22:57:53 -04:00
Thomas Harte
0ed7d257e1 Add some extra notes, implement correct mapping to only 18 operators. Not 22. 2020-04-05 14:32:55 -04:00
Thomas Harte
335a68396f Attempts to complete OPL2 register decoding. 2020-04-04 23:39:09 -04:00
Thomas Harte
84cdf6130f Starts at least trying to decode OPL2 register writes. 2020-04-04 23:29:25 -04:00
Thomas Harte
b0abc4f7bb Implements enough wiring that the Master System will instantiate and talk to an OPLL. 2020-04-03 20:05:36 -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
545a6177bb Makes CompoundSource mono/stereo-aware. 2020-02-16 18:45:36 -05:00
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
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
337cb4fb86 Resolves implicit type conversion warnings. 2020-02-16 14:05:23 -05:00
Thomas Harte
f760a68173 Corrects stereo audio generation. 2020-02-16 00:19:49 -05:00
Thomas Harte
89d6b85b83 Adds optional stereo output for the AY.
The real chip provides the three tone channels as separate outputs, so a variety of different mixings can exist.
2020-02-15 18:09:17 -05:00
Thomas Harte
e02d109864 Nudges the LowpassSpeaker towards supporting stereo generation. 2020-02-15 18:03:12 -05:00
Thomas Harte
dde672701f
Merge pull request #755 from TomHarte/ExpliticLambdas
Tries to be less lazy with lambda captures.
2020-02-15 12:38:12 -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
763159a6f6 More neatly ties volume level 0 to silence. 2020-02-14 23:16:10 -05:00
Thomas Harte
6810a6ee58 Adjusts the AY volume scale.
Hopefully more accurately to model the real thing.
2020-02-14 22:51:20 -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
9d97a294a7 Corrects the TMS' get_scaled_scan_status.
I think all platforms are now returning credible numbers.
2020-01-22 19:34:10 -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
c755411636 Slightly improves comments. 2020-01-19 20:05:22 -05:00
Thomas Harte
d674fd0e67 The WD uses only the low two bits for sector size. 2020-01-18 13:40:50 -05:00
Thomas Harte
aac3d27c10 Adds activity indicators for the BD-500 and Jasmin.
Also slightly cleans up DiskController a little further.
2020-01-15 23:39:15 -05:00
Thomas Harte
2d233b6358 Makes a more concrete attempt at track/sector combination. 2020-01-12 22:18:31 -05:00
Thomas Harte
6a44936a7c Ensures programmatic volume level 0 is completely off. 2020-01-05 22:44:52 -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
153f60735d Banishes redefined macro warning. 2020-01-01 12:38:30 -05:00
Thomas Harte
e59de71d79 Disables status logging, at least until next needed. 2019-12-24 21:44:50 -05:00
Thomas Harte
4205e95883 Switches to capture of the track 0 flag during a type 1 operation. 2019-12-24 21:43:20 -05:00
Thomas Harte
dfa6b11737 Adds responsibility for an ongoing index pulse to the drive. 2019-12-24 20:53:37 -05:00
Thomas Harte
42926e72cc Adjusted: Flag::WriteProtect works in real time for a type-1 status. 2019-12-24 19:57:12 -05:00
Thomas Harte
80cb06eb33 It provisionally seems as though spin_up should be reset by a force interrupt? 2019-12-24 19:37:37 -05:00
Thomas Harte
0dae608da5 Embraces std::make_[unique/shared] in place of .reset(new . 2019-12-23 21:31:46 -05:00
Thomas Harte
ac604b30f3 Eliminates dangling static_casts in favour of construction. 2019-12-22 20:59:20 -05:00
Thomas Harte
b035b92f33 Corrects accidental use of sector contents as addresses in multi-sector reads and writes.
As a secondary defect, this was also causing erroneous CRC error reports.
2019-12-22 19:58:02 -05:00
Thomas Harte
d25b48878c Cleans up READ_ID macro, inter alia. 2019-12-22 17:58:33 -05:00
Thomas Harte
274867579b Deploys constexpr as a stricter const. 2019-12-22 00:22:17 -05:00
Thomas Harte
a847654ef2 Corrects various old-fashioned bits of indentation, plus the odd const. 2019-12-22 00:00:23 -05:00
Thomas Harte
57ce10418f Switches prescale logic, the better to deal with changes in prescaler.
According to my assumptions about the behaviour, anyway.
2019-12-20 23:33:14 -05:00
Thomas Harte
2a1520c04e Removes mostly-uninformative piece of logging. 2019-12-19 22:58:28 -05:00
Thomas Harte
206ab380c7 Introduces double-resolution envelopes for the Atari ST. 2019-12-18 22:03:02 -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
c2646a415f Switch to faster timer implementation; it seems to work. 2019-12-09 19:23:08 -05:00
Thomas Harte
7cd11ecb7f Adds necessary #include for assert. 2019-12-08 22:43:39 -05:00
Thomas Harte
acfe2c63b8 Adds an assert to verify the interrupt line is clear after a full reset. 2019-12-08 22:34:19 -05:00
Thomas Harte
b192381928 Implements a fuller reset, takes a run at the overran flag. 2019-12-08 21:20:06 -05:00