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7,655 Commits 7 Branches 121 Tags 500 MiB
fa18b06dbf
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2269 Commits

Author SHA1 Message Date
Thomas Harte
fa18b06dbf Correct get_floating_value to be consistent in out-of-bounds behaviour. 2021-04-15 21:13:36 -04:00
Thomas Harte
349b9ce502 Don't post contended accesses other than on the +2a/+3. 
Those machines have an actual latch for this stuff, the others don't.
 2021-04-15 21:13:06 -04:00
Thomas Harte
71cf63bd35 Corrects internal cycle contention. 2021-04-15 19:17:11 -04:00
Thomas Harte
d1bb3aada4 Attempts to complete the in-machine application of contention. 2021-04-15 18:57:34 -04:00
Thomas Harte
b4214c6e08 Blocks off the AY from inputs in 48kb mode. 2021-04-15 18:04:16 -04:00
Thomas Harte
f5c7746493 Extends fast loading support to the just-introduced models. 2021-04-15 17:31:42 -04:00
Thomas Harte
f10ec80153 Gets started on different video timings. 2021-04-14 22:23:27 -04:00
Thomas Harte
0af405aa46 Starts working in the 48kb and 128kb Spectrums. 2021-04-14 21:37:10 -04:00
Thomas Harte
60e8273de2 Tweaks video timing, again. 2021-04-06 21:04:54 -04:00
Thomas Harte
dd28246f9f Better indicate interrupt timing. 2021-04-06 12:06:13 -04:00
Thomas Harte
094d623485 Updates unit tests. 2021-04-05 21:33:04 -04:00
Thomas Harte
1266bbb224 Makes the TMS a sequence-point-generating JustInTimeActor. 2021-04-05 21:02:37 -04:00
Thomas Harte
fd88071c0a Remove further detritus. 2021-04-05 17:21:26 -04:00
Thomas Harte
16bfe1a55c Resolves use-after-return memory error. 2021-04-04 22:45:56 -04:00
Thomas Harte
90c3d6a1e8 Attempts a later interception of tape loading. 2021-04-04 22:39:30 -04:00
Thomas Harte
57b32d9537 Avoid adding additional threading constraints. 2021-04-04 20:48:15 -04:00
Thomas Harte
837b9499d5 Translates Oric video and Disk II into JustInTimeActors. 2021-04-04 20:43:16 -04:00
Thomas Harte
f26bf4b9e4 Splitting here isn't achieving anything. 2021-04-04 19:52:38 -04:00
Thomas Harte
1da51bee6c 14368 and six seem to be the proper numbers, per my comprehension of Patrick Rak. 2021-04-04 19:52:19 -04:00
Thomas Harte
5a66956221 Merge branch 'master' into SpeccyTiming 2021-04-04 19:12:37 -04:00
Thomas Harte
fa79589db8 Minor style improvements. 2021-04-04 18:59:46 -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
afb4e6d37d Merge branch 'master' into JITSleeper 2021-04-04 15:37:19 -04:00
Thomas Harte
158122fbf4 Determine TargetTimeScale automatically. 2021-04-04 15:37:07 -04:00
Thomas Harte
14663bd06b I think 3 is what I'm aiming for here. 
But this probably isn't correct for IO cycles.
 2021-04-02 07:36:57 -04:00
Thomas Harte
044ac949ba Rearrange fields. 2021-04-01 12:44:00 -04:00
Thomas Harte
87317f5673 Improve documentation, pin down read/write times. 2021-04-01 12:38:58 -04:00
Thomas Harte
687c05365e Flushes before set_last_contended_area_access. 2021-03-31 22:52:41 -04:00
Thomas Harte
4f80523828 Tweaks contended timing. 2021-03-31 22:51:20 -04:00
Thomas Harte
acdbd88b9e
Merge pull request #896 from TomHarte/FastLoadUponInsert 
Ensure CPC and Spectrum update fast-tape flag upon media insertion.
 2021-03-28 11:44:01 -04:00
Thomas Harte
729edeac6c Ensure CPC and Spectrum update fast-tape flag upon media insertion. 2021-03-27 18:08:46 -04:00
Thomas Harte
faaa4961ed Attempts to rely on JustInTimeActor's built-in ClockingHint::Observer. 2021-03-26 23:54:08 -04:00
Thomas Harte
8a11a5832c Uses GI::AY38910::Utility far and wide. 2021-03-26 23:19:47 -04:00
Thomas Harte
465ecc4a78 Attempts to implement proper floating bus behaviour. 
As per http://sky.relative-path.com/zx/floating_bus.html
 2021-03-24 20:23:33 -04:00
Thomas Harte
03ef81b07c Attempts to reduce initial bounce. 2021-03-23 17:12:00 -04:00
Thomas Harte
0ac11fc39e Add floating bus. 2021-03-23 17:09:42 -04:00
Thomas Harte
3d0503a35e Adds a genuine Spectrum mapping, tweaks timing. 2021-03-23 16:59:43 -04:00
Thomas Harte
ad8cb52f11 Improves const correctness. 2021-03-23 16:59:26 -04:00
Thomas Harte
496a294c71 Adds clocking observers for the tape and FDC. 2021-03-23 16:38:04 -04:00
Thomas Harte
465c74ab86 Adds the Spectrum side of typing. 
The character mapper itself needs some Spectrum logic.
 2021-03-23 10:44:43 -04:00
Thomas Harte
4e8f82a39c Adds ZX Spectrum activity indicators. 2021-03-23 10:32:22 -04:00
Thomas Harte
d0776b58cf Tweaks timing empirically. 2021-03-22 23:20:49 -04:00
Thomas Harte
6da099d7e1 Ensures the enter key is cleared before fast-loading tapes have loaded. 2021-03-22 22:42:10 -04:00
Thomas Harte
60e77785e8 Makes an attempt to provide the necessary hook for floating bus behaviour. 2021-03-22 22:34:28 -04:00
Thomas Harte
19cd6a55d3 Rejigs the way video is counted to orient it around fetch times. 2021-03-22 22:18:38 -04:00
Thomas Harte
08432dd94b Adds automatic media starts. 2021-03-22 20:12:03 -04:00
Thomas Harte
3c1131a84b Attempts to implement the +3. 2021-03-22 19:36:05 -04:00
Thomas Harte
c0abdf1b86 Factors out the CPC's simple FDC adaptor. 2021-03-22 19:12:10 -04:00
Thomas Harte
3ef2715eee Implements the ROM version of fast loading. 2021-03-22 19:04:38 -04:00
Thomas Harte
4a12d7086d Makes another guess at total colour phase. 2021-03-22 17:24:38 -04:00