Thomas Harte
485c2a866c
Without yet a struct for Spectrum states, at least checks general wiring.
2021-04-24 23:38:00 -04:00
Thomas Harte
5b419ca5bf
Add State folder to Scons and Qt projects.
2021-04-24 23:25:08 -04:00
Thomas Harte
14ae579fca
Add further note to future self.
2021-04-24 23:19:41 -04:00
Thomas Harte
1c2ea0d7fe
unique_ptr makes more sense here.
2021-04-24 23:19:30 -04:00
Thomas Harte
e7a9ae18a1
Introduce further default state.
2021-04-24 23:18:00 -04:00
Thomas Harte
d61f478a39
Basic sketch for state snapshots: an extra field on Target.
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I think it doesn't make sense for states to own a target as that complicates the concept of Media. Plus they're distinct because it makes sense to have only one per Target. Let's see how this pans out.
2021-04-24 23:17:47 -04:00
Thomas Harte
9cc747b3e2
Resolves potential source of errors: specifying incorrect table size.
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(Having made exactly this mistake with the ZX Spectrum)
2021-04-24 12:10:28 -04:00
Thomas Harte
17f11a3be3
Merge pull request #928 from TomHarte/ContentionTests
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Add timing tests, fix +3 discrepancy.
2021-04-23 22:54:34 -04:00
Thomas Harte
37dcf61130
Add timing tests, fix +3 discrepancy.
2021-04-23 22:29:57 -04:00
Thomas Harte
856ebfacca
Merge pull request #927 from TomHarte/SimplifiedTiming
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Moves horizontal sync on the 48kb.
2021-04-21 19:50:40 -04:00
Thomas Harte
9731fdd33b
Moves horizontal sync on the 48kb.
2021-04-21 19:46:44 -04:00
Thomas Harte
5ea605ccf7
Merge pull request #926 from TomHarte/SimplifiedTiming
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Attempts more cleanly to express ZX Spectrum timing.
2021-04-21 19:46:23 -04:00
Thomas Harte
d0c789ff9a
Locks declarative form of contention closer to regular expressions.
2021-04-21 19:37:36 -04:00
Thomas Harte
9baa861742
Simplifies timing calculation expression.
2021-04-21 19:18:07 -04:00
Thomas Harte
30a1a53c97
Merge pull request #925 from TomHarte/ZXROMSpeed
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Corrects timing error in Spectrum 48kb and 128kb ROM accesses.
2021-04-21 18:54:16 -04:00
Thomas Harte
bdb1b7e77c
Reinstate the +2 as the default Spectrum.
2021-04-21 18:49:39 -04:00
Thomas Harte
9293bcbc88
Exclude the ROM from contention on 48kb and 128kb models.
2021-04-21 18:49:18 -04:00
Thomas Harte
c481f475e7
Merge pull request #923 from TomHarte/STStartup
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Resolves failure of ST to startup
2021-04-20 22:43:55 -04:00
Thomas Harte
ef01471e17
Ensures the DMA controller remains clocked.
2021-04-20 22:34:13 -04:00
Thomas Harte
73c8157197
Retain 6850 time tracking at all times.
2021-04-20 22:26:43 -04:00
Thomas Harte
af1dc2d3b2
Switches to correct non-value sentinel.
2021-04-20 21:56:58 -04:00
Thomas Harte
8f6b3feee1
Merge pull request #921 from TomHarte/Plus2aDefault
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Switches default machine back to +2a.
2021-04-19 22:15:48 -04:00
Thomas Harte
a20f5528b7
Switches default machine back to +2a.
2021-04-19 22:04:49 -04:00
Thomas Harte
f48876d80e
Merge pull request #920 from TomHarte/AppleIIVirtual
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Disambiguates `reset_all_keys`.
2021-04-19 22:03:01 -04:00
Thomas Harte
db52f13c32
Disambiguates reset_all_keys.
2021-04-19 21:49:06 -04:00
Thomas Harte
2590769d3f
Merge pull request #919 from TomHarte/XcodeProjectTweaks
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Increases warnings, cleans up a touch.
2021-04-19 21:33:04 -04:00
Thomas Harte
5667dcac36
Increases warnings, cleans up a touch.
2021-04-19 21:28:12 -04:00
Thomas Harte
bec71ead39
Merge pull request #918 from TomHarte/macOS13
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Reintroduces macOS 10.13 support.
2021-04-19 21:12:57 -04:00
Thomas Harte
e4d9022d37
Returns deployment target to 10.13.
2021-04-19 20:57:56 -04:00
Thomas Harte
572be48f38
Attempts to add an early exit for non-Metal Macs.
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This will be necessary only prior to 10.14.
2021-04-19 20:55:25 -04:00
Thomas Harte
6f4ccebfa1
Merge pull request #917 from TomHarte/InterruptAddress
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Put the program counter on the bus during interrupt acknowledge.
2021-04-19 20:08:22 -04:00
Thomas Harte
77fcf52d27
Purely style: remove some redundant nullptrs.
2021-04-19 18:53:00 -04:00
Thomas Harte
79c2bc1fd7
Put the program counter on the bus during interrupt acknowledge.
2021-04-19 18:43:50 -04:00
Thomas Harte
76370d9418
Merge pull request #916 from TomHarte/OffByOne
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Corrects off-by-one timing errors in the ZX Spectrum.
2021-04-18 20:25:13 -04:00
Thomas Harte
7bac18bd65
Address bus load time is not + 1/2.
2021-04-18 18:41:24 -04:00
Thomas Harte
704737144a
Corrects all interrupt timing for sign and off-by-one errors.
2021-04-18 18:40:44 -04:00
Thomas Harte
2a9c73a1d3
Merge pull request #915 from TomHarte/SpectrumSDLOptions
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Adds display of Spectrum command-line options.
2021-04-18 12:08:02 -04:00
Thomas Harte
e87e851401
Add a redundant but idiomatic initial value.
2021-04-18 11:56:22 -04:00
Thomas Harte
80d4846a27
Respond with 0xff during an interrupt acknowledge.
2021-04-18 11:56:00 -04:00
Thomas Harte
9fd53c9c91
Adds the ZX Spectrum to ::AllMachines.
2021-04-17 23:06:37 -04:00
Thomas Harte
53eae873d8
Merge pull request #913 from TomHarte/LowerModelTiming
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Brings timings into line with WoS specs.
2021-04-16 22:45:54 -04:00
Thomas Harte
93422f4b1c
Brings timings into line with WoS specs.
2021-04-16 22:40:51 -04:00
Thomas Harte
06cedb2e50
Merge pull request #912 from TomHarte/128kDecoding
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Corrects Spectrum 128kb partial decoding.
2021-04-16 22:02:25 -04:00
Thomas Harte
7fdb1d848b
Corrects Spectrum 128kb partial decoding.
2021-04-16 21:54:52 -04:00
Thomas Harte
246fd9442f
Merge pull request #911 from TomHarte/48kbSpectrum
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Adds the 48kb and 128kb Spectrums.
2021-04-15 22:25:07 -04:00
Thomas Harte
eb99a64b29
Adds new Spectrum models to Qt UI.
2021-04-15 22:20:34 -04:00
Thomas Harte
d7954a4cb1
Tweaks timing a little.
2021-04-15 21:51:49 -04:00
Thomas Harte
ef636da866
Attempts 48/128kb floating bus behaviour.
2021-04-15 21:19:21 -04:00
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.
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Those machines have an actual latch for this stuff, the others don't.
2021-04-15 21:13:06 -04:00
