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Author SHA1 Message Date
Thomas Harte
131ab00304
Merge pull request #1410 from TomHarte/CPCLatency 
Further improve the CPC side of the CPC:CRTC relationship.
 2024-10-15 21:30:39 -04:00
Thomas Harte
26d7d58a5f Add TODO. 2024-10-15 21:16:07 -04:00
Thomas Harte
02f92a7818 Handle runs that don't cross a pixel boundary. 
`
 2024-10-15 21:15:30 -04:00
Thomas Harte
b6fff521e4 Allow new interrupts to override the end of previous. 2024-10-15 12:27:30 -04:00
Thomas Harte
23f1308231 Experiment with reads/writes earlier in the transaction. 2024-10-15 12:10:36 -04:00
Thomas Harte
947e890c59 Adjust mode latch time, timer hsync signalling. 2024-10-15 11:53:00 -04:00
Thomas Harte
0f1714de7c
Merge pull request #1409 from TomHarte/68000Constness 
68000: `Const` as many arguments as possible.
 2024-10-13 21:58:02 -04:00
Thomas Harte
a7d2b0f63b Const as many arguments as possible. 2024-10-13 21:40:39 -04:00
Thomas Harte
9c550a8154
Merge pull request #1408 from TomHarte/M50740ExecutorStyle 
Eliminate majority of M50740 macros
 2024-10-10 13:46:34 -04:00
Thomas Harte
49012a21c8 Convert index macro. 2024-10-09 21:50:03 -04:00
Thomas Harte
f136151064 Transcribe op_X macros. 2024-10-09 21:46:30 -04:00
Thomas Harte
4838728521 Eliminate nibble macros. 2024-10-09 21:04:32 -04:00
Thomas Harte
95fac5dc13 Begin macro elimination. 2024-10-09 14:27:35 -04:00
Thomas Harte
ac1f7884b5
Merge pull request #1407 from TomHarte/OptionalCPMData 
Reduce costs of CPC disk analysis by not loading unused contents.
 2024-10-09 14:16:53 -04:00
Thomas Harte
ab411512d4
Merge pull request #1405 from TomHarte/CRTCFixes 
Redraft CRTC closer to raw logic.
 2024-10-09 14:14:43 -04:00
Thomas Harte
704495ff42 Made reading of data optional. 2024-10-09 12:27:51 -04:00
Thomas Harte
9acc80260f Eliminate phases due to lack of evidence. 2024-10-09 11:59:27 -04:00
Thomas Harte
7759fb7e68 Add TODO. 2024-10-09 11:48:08 -04:00
Thomas Harte
0d71724598 Eliminate extra-scanline flag. 2024-10-09 11:45:32 -04:00
Thomas Harte
ae436f7a51 Fix conflicting usages of EOF. 2024-10-09 11:16:12 -04:00
Thomas Harte
43ac20cbd2 Fix non-interlaced frame length. 2024-10-07 21:50:56 -04:00
Thomas Harte
2d90868f5c Reinstitute cursor. 2024-10-07 21:13:44 -04:00
Thomas Harte
60987ae4a7 Round out interlaced output. 2024-10-07 20:53:41 -04:00
Thomas Harte
65c1d99120 Add, disable some logging. 2024-10-05 22:30:53 -04:00
Thomas Harte
35acf88847 Take a swing at adding an adjustment period. 2024-10-03 22:07:46 -04:00
Thomas Harte
45549b5fcd Switch CRTC type. 2024-10-03 22:07:12 -04:00
Thomas Harte
2eb9fb6a08 Add faulty attempt at adjustment period. 2024-09-30 23:47:27 -04:00
Thomas Harte
0d0e1083e6 Fix potential out-of-bounds access. 2024-09-30 13:37:44 -04:00
Thomas Harte
e650f3772a Limit vertical visibility. 2024-09-30 13:35:28 -04:00
Thomas Harte
e5ff4c65b7 Fix accidental skew, off-by-one end of line. 2024-09-30 13:20:18 -04:00
Thomas Harte
276809f76a Stabilise image, albeit incorrectly. 2024-09-30 13:16:03 -04:00
Thomas Harte
5e3840c5f1 Attempt to skirt with coherence. 2024-09-29 23:08:39 -04:00
Thomas Harte
6eace2a3ef Improve address counting. 2024-09-27 21:27:56 -04:00
Thomas Harte
7817b23857 Take a swing at vertical sync. 2024-09-27 21:14:57 -04:00
Thomas Harte
432854aeb5 Restore some form of visuals. 2024-09-26 22:08:22 -04:00
Thomas Harte
433c8f9c3c Make negligible progress. 2024-09-25 19:30:08 -04:00
Thomas Harte
ea25dbfd1e Begin CRTC rejig. 2024-09-23 21:11:54 -04:00
Thomas Harte
10f8318e79
Merge pull request #1404 from TomHarte/65816SquareD 
65816: correct emulation-mode `[d], y`, `PEI` and `PLB`.
 2024-09-21 21:46:00 -04:00
Thomas Harte
17ff0c4f65 Fix PLD/PLB sizes. 2024-09-21 21:28:38 -04:00
Thomas Harte
9abd653fb9 Avoid impossible clamps. 2024-09-21 21:25:49 -04:00
Thomas Harte
ff6753fcdf PEI: don't page wrap. 2024-09-21 21:12:04 -04:00
Thomas Harte
a65551f652 Give PLB the same stack behaviour as PLD. 2024-09-21 21:08:02 -04:00
Thomas Harte
f0d807a0fe Fix [d], y page-wrapping behaviour. 2024-09-21 20:49:59 -04:00
Thomas Harte
dfcdbe5b6a
Merge pull request #1402 from TomHarte/CPCInterruptTiming 
Pull CPC interrupt to start of hsync.
 2024-09-12 21:12:02 -04:00
Thomas Harte
53e73238fd
Merge pull request #1403 from TomHarte/OricVSync 
Extend Oric vsync to four lines.
 2024-09-12 21:08:51 -04:00
Thomas Harte
581454db69 Tweak mode latch time too. 2024-09-12 20:47:27 -04:00
Thomas Harte
63d501b629 Pull interrupt to start of hsync. 2024-09-12 20:45:28 -04:00
Thomas Harte
60bd877ed9
Merge pull request #1401 from TomHarte/OricVSync 
Add the Oric's v-sync hardware hack.
 2024-09-10 21:18:03 -04:00
Thomas Harte
44574465c5 Extend vsync to four lines. 2024-09-10 21:06:49 -04:00
Thomas Harte
2b7382a014 Loop in vsync as a potential tape input. 2024-09-10 20:59:05 -04:00