Thomas Harte
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7ad44f5152
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Flipped order of conditional so as negligibly to improve prediction.
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2016-10-31 22:17:18 -04:00 |
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Thomas Harte
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08e8118be3
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Merge pull request #67 from TomHarte/FixedOricAudio
Fixes Oric audio
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2016-10-31 22:06:04 -04:00 |
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Thomas Harte
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21604376e6
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Reintroduced clocking of the AY and boxed in the range of the master divider a little further.
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2016-10-30 22:51:08 -04:00 |
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Thomas Harte
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1333a42a78
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Merge pull request #66 from TomHarte/CheckOnlyWhenNeeded
Takes one more test out of the operation loop
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2016-10-30 20:31:34 -04:00 |
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Thomas Harte
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4b347b9993
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Made a trivial XCTAssert unit test substitution.
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2016-10-30 20:30:32 -04:00 |
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Thomas Harte
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2452a3104f
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Corrected test: hitting zero is sufficient. No need to cross it.
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2016-10-30 20:24:30 -04:00 |
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Thomas Harte
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8d87a61f63
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Merge branch 'master' into CheckOnlyWhenNeeded
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2016-10-30 20:17:57 -04:00 |
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Thomas Harte
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9f66f6abfe
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Merge pull request #65 from TomHarte/OricVideoImprovements
Rearranges Oric painting logic to reduce code path complexity
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2016-10-30 20:17:24 -04:00 |
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Thomas Harte
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b04ba41951
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Moved code out of header.
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2016-10-30 20:16:58 -04:00 |
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Thomas Harte
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3b52ab0d37
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Cut some dead state.
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2016-10-30 20:16:52 -04:00 |
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Thomas Harte
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42fe9f29ac
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Moved code out of header.
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2016-10-30 20:16:22 -04:00 |
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Thomas Harte
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95f54cb4b5
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Cut some dead state.
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2016-10-30 20:15:47 -04:00 |
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Thomas Harte
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9309be229c
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Moved cycle count test down to the only places where it may actually yield a different result.
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2016-10-30 20:13:44 -04:00 |
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Thomas Harte
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58f888c6ad
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Limited CRT calls.
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2016-10-30 16:21:20 -04:00 |
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Thomas Harte
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1ff9b474bf
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Made an attempt to make execution flow through this loop more straightforward for a branch predictor.
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2016-10-30 15:30:39 -04:00 |
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Thomas Harte
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7843a244b0
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Ensured emulation doesn't enter an infinite loop if the user attempts to read beyond the end of a tape.
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2016-10-28 22:23:25 -04:00 |
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Thomas Harte
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69f0cef747
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Merge pull request #64 from TomHarte/6502IRQ
Switches to storing the IRQ line in the inverse, to simplify its per-cycle logic
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2016-10-28 21:30:22 -04:00 |
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Thomas Harte
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a106018680
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Fixed initial state: interrupt flag is initially low.
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2016-10-28 21:22:03 -04:00 |
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Thomas Harte
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ad00304e8a
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Fixed 6522 countdown.
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2016-10-28 21:05:42 -04:00 |
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Thomas Harte
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613b5b3f98
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Switched to inverse storage of the interrupt flag so as to reduce logical burden when storing IRQ line history.
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2016-10-28 20:52:43 -04:00 |
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Thomas Harte
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b64ae904a5
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Merge pull request #63 from TomHarte/OricVideoOptimisation
Reduces 6522 emulation costs
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2016-10-27 21:16:21 -04:00 |
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Thomas Harte
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4fab794747
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Added a direct-to-two-cycles emulation path for 6522 owners.
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2016-10-27 21:13:25 -04:00 |
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Thomas Harte
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2eda0b3c86
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Attempted to simplify the logic behind the most common 6522 usage.
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2016-10-27 21:06:31 -04:00 |
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Thomas Harte
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e5fe37f089
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Fixed 'joystick' input.
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2016-10-27 19:44:48 -04:00 |
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Thomas Harte
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5c23acdbaf
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Switched window style back for the Atari HUD.
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2016-10-27 19:40:29 -04:00 |
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Thomas Harte
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dbc26e7288
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Merge pull request #62 from TomHarte/6502Branching
Simplifies the 6502's main processing loop
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2016-10-27 18:58:32 -04:00 |
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Thomas Harte
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4408c60ef7
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This too should continue, not break, since it doesn't schedule a memory access.
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2016-10-27 18:32:21 -04:00 |
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Thomas Harte
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534b3d085d
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Improved test reporting, attempted to resolve timing errors just introduced (i.e. to differentiate break/continue where a cycle may or may not be spent).
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2016-10-27 08:41:44 -04:00 |
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Thomas Harte
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f84b66a5f4
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Made an attempt to fix wake-from-WAIT.
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2016-10-25 19:06:46 -04:00 |
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Thomas Harte
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4b18c76b84
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Introduced a bifurcation between break and continue to signify whether a bus access takes place, necessitating a shift in the location of the bus access but allowing the conditional to be dropped. Need to test.
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2016-10-25 18:45:53 -04:00 |
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Thomas Harte
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c253a4258f
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Made minor restructuring changes, slightly to reduce number of conditionals per operation and to drop a big hint to the optimiser.
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2016-10-25 18:34:24 -04:00 |
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Thomas Harte
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cb1b81dbef
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Merge pull request #61 from TomHarte/TapImprovements
Makes an attempt to improve the handling of Oric TAPs
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2016-10-25 18:23:30 -04:00 |
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Thomas Harte
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013f0c5317
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Finally forced emulation window to front. Also removed min/max heights where they'd crept in and got explicit about the OpenGL view being first responder.
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2016-10-24 22:08:24 -04:00 |
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Thomas Harte
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d3634488e6
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Made an attempt better to deal with multiple-file TAPs; also started using a zero level for the header/data gap.
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2016-10-24 21:59:06 -04:00 |
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Thomas Harte
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30d4a7c662
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Fixed: blinking means ink vanishing and appearing. Nothing else.
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2016-10-24 21:58:15 -04:00 |
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Thomas Harte
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cf5685abf3
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Merge pull request #60 from TomHarte/SilentAudio
Introduces a reuse list for Mac audio buffers
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2016-10-23 21:27:13 -04:00 |
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Thomas Harte
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91831b6a95
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Introduced a reuse list for audio buffers, based on the observation that the audio queue seems to start quick rejecting them.
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2016-10-23 21:17:00 -04:00 |
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Thomas Harte
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33b93b7098
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Merge pull request #59 from TomHarte/AYFixes
Reduces AY processor load
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2016-10-23 20:44:48 -04:00 |
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Thomas Harte
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fd823dc222
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Settled on terminology.
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2016-10-23 20:42:49 -04:00 |
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Thomas Harte
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7c33c34b0c
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Have withdrawn attempt to be clever with client notification here, as it was having no effect in the current environment, making it hard to build up any confidence.
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2016-10-23 20:33:59 -04:00 |
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Thomas Harte
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b12f2f2796
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Switched to more straightforward version of two-step loop, dealing with my mistaken dealing of when _master_divider&15 == 0 upon entry without adding an extra sanity check. Am also temporarily on non-modulo logic for tone generation, for a profiling test.
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2016-10-23 20:32:48 -04:00 |
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Thomas Harte
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583db88299
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Added a dispatch queue-powered Apple implementation of the async task queue, removed any mention of skip_samples in the AY since it isn't implemented.
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2016-10-22 21:58:45 -04:00 |
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Thomas Harte
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33e628a096
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Made an attempt to eliminate what amounts to manual division.
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2016-10-21 22:16:44 -04:00 |
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Thomas Harte
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46a3c0922f
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Slightly simplified code, fixed divider.
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2016-10-21 22:12:44 -04:00 |
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Thomas Harte
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d7c0c49715
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Might as well be consistent with divider loads.
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2016-10-21 20:07:14 -04:00 |
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Thomas Harte
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782ef960e1
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Sought both to [start to] optimise the AY and correct divider reloads. It turns out that conditionals aren't that troubling. But I can probably eliminate the counters.
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2016-10-21 20:05:38 -04:00 |
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Thomas Harte
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09687a2e2f
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Removed errant newline.
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2016-10-20 21:30:12 -04:00 |
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Thomas Harte
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44910d90ba
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Adjusted aberrations in semicolons.
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2016-10-20 21:20:13 -04:00 |
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Thomas Harte
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460f518451
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Merge pull request #58 from TomHarte/CleanUp
Minor code improvements
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2016-10-20 21:17:42 -04:00 |
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Thomas Harte
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6292ac5b26
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Yet more .hpp clean(s)ing.
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2016-10-20 21:15:21 -04:00 |
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