Thomas Harte
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cccdc558e7
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Merge pull request #102 from TomHarte/6532Accuracy
Improves 6532 counting accuracy
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2017-03-04 17:04:43 -05:00 |
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Thomas Harte
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d3257c345a
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Tested against public ROMs and corrected. Also moved the deferred adjustment into a more canonical place.
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2017-03-04 17:00:28 -05:00 |
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Thomas Harte
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e09b76bf32
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Fixed 'same value, then immediate increment, then proper counting increments' behaviour and ensured it takes one cycle to commit a value. Adjusted tests to match.
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2017-03-04 15:57:54 -05:00 |
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Thomas Harte
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837cccdf83
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Switched to deferred updates for the 6532.
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2017-03-04 14:58:28 -05:00 |
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Thomas Harte
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a3fcd15980
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Loosened sync charge level requirement.
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2017-03-01 22:16:56 -05:00 |
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Thomas Harte
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93d1573481
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Added a fix for certain homebrews.
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2017-03-01 07:59:25 -05:00 |
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Thomas Harte
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893a5dd007
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Added an artificial low pass filter, attempting to capture post-digital effects.
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2017-02-28 21:29:55 -05:00 |
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Thomas Harte
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026b418b4a
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Ensured filtered 1:1 audio resampling is applied.
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2017-02-28 21:27:38 -05:00 |
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Thomas Harte
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06dd98b23c
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Pulled the reset time for horizontal blank extend up to position 224.
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2017-02-28 20:28:54 -05:00 |
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Thomas Harte
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2a81ae1dec
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Now required: at least four stores for RAM to be detected.
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2017-02-28 20:28:14 -05:00 |
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Thomas Harte
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1625b9c7f9
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Merge pull request #101 from TomHarte/CommaVid
Adds detection and emulation of the CommaVid paging scheme
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2017-02-27 20:53:19 -05:00 |
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Thomas Harte
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184c8ae707
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Extended to emulate the CommaVid.
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2017-02-27 20:50:59 -05:00 |
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Thomas Harte
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8f8b103224
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Slightly tidier. Also in the interim: confirmed no remaining false positives or negatives from the existing published set.
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2017-02-27 08:42:43 -05:00 |
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Thomas Harte
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1af415a88e
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Okay, this is a bit desperate, but worth investigation.
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2017-02-27 08:39:53 -05:00 |
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Thomas Harte
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fe07cd0248
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Made another attempt to distinguish.
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2017-02-27 08:06:57 -05:00 |
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Thomas Harte
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a3d339092e
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Corrected callers of the 6502 disassembler.
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2017-02-27 07:56:59 -05:00 |
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Thomas Harte
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837216ee9a
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Adjusted semantics to allow for more complicated mappings, e.g. whereby supplied data repeats itself within a range.
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2017-02-27 07:49:33 -05:00 |
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Thomas Harte
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dcd0c90283
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Switched time of best-effort updater delegate setting, to avoid a callback before setupClockRate has happened, and therefore before it's clear what should be going on with audio.
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2017-02-26 21:58:59 -05:00 |
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Thomas Harte
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b24cd00a39
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Switched time of best-effort updater delegate setting, to avoid a callback before setupClockRate has happened, and therefore before it's clear what should be going on with audio.
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2017-02-26 21:58:43 -05:00 |
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Thomas Harte
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0273860018
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Sought to weed out further false positives on CommaVid, partly by introducing a record of internal calls, to pair with the now confusingly named outward_calls.
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2017-02-26 21:58:09 -05:00 |
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Thomas Harte
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82c089cde4
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Factored out paging type detection and, from that, took out 2k cartridge detection. Added an attempt at a CommaVid detector, which does not currently work.
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2017-02-26 21:24:54 -05:00 |
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Thomas Harte
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997707a45b
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Merge pull request #100 from TomHarte/SuperChipDetection
Adds detection and emulation of the Super Chip
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2017-02-26 18:04:50 -05:00 |
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Thomas Harte
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9d7985c1e1
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Added Super Chip emulation.
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2017-02-26 17:47:29 -05:00 |
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Thomas Harte
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8b1ec827e0
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Made an initial, very naive attempt to recognise two types of expanded cartridge: those with a superchip and those with a CBS RAM+, in both cases by looking for instructions that appear to write into cartridge space.
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2017-02-26 17:11:57 -05:00 |
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Thomas Harte
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153525f23d
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Extended quality of known address read/write/modify mapping, and started recording internal accesses in addition to external.
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2017-02-26 17:10:33 -05:00 |
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Thomas Harte
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3101dc94a7
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Merge pull request #98 from TomHarte/TIAImprovements
Reimplements the Atari TIA, as a discrete component
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2017-02-26 15:14:59 -05:00 |
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Thomas Harte
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e6a84fd26b
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Attempted a hardware-correct implementation of missile-to-player latching. This completes the last of the **knowing** inaccuracies. The rest are as-of-yet unwitting.
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2017-02-26 15:12:31 -05:00 |
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Thomas Harte
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440467ea3e
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Started communicating which copy is being requested.
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2017-02-26 13:39:25 -05:00 |
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Thomas Harte
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98376de9ad
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Started returning 'no effect' for pot ports, rather than doing nothing. Still very much TODO though.
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2017-02-25 22:58:58 -05:00 |
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Thomas Harte
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e61e355251
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Moved to the maximum possibly required queue length of 4. Though the emulated 2600 should never need more than 2 slots as per the current calling pattern, it's not a contractual guarantee.
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2017-02-25 17:25:10 -05:00 |
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Thomas Harte
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c898c8a99e
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Ensured the missiles and ball don't attempt to enqueue. Because I don't think they're supposed to.
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2017-02-25 17:13:22 -05:00 |
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Thomas Harte
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8c9062857c
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Added a single-slot queue for player objects to defer drawing, thereby deferring pixel lookup. Which I think is correct. Though more slots might be needed.
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2017-02-25 17:10:24 -05:00 |
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Thomas Harte
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77ed4ddc05
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Slightly simplified ready line release logic.
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2017-02-23 21:08:32 -05:00 |
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Thomas Harte
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82f392fada
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This should be the other way around. I want whichever is later.
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2017-02-22 21:54:49 -05:00 |
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Thomas Harte
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2f0c923c29
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Switched away from @synchronized as it appears possibly to be the lock used during -dealloc, creating deadlock with the CSAudioQueueDeallocLock.
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2017-02-22 21:42:10 -05:00 |
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Thomas Harte
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8291a63d5f
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Fixed loss of audio when switching to PAL.
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2017-02-22 21:15:37 -05:00 |
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Thomas Harte
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4c947ad553
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Attempted to resolve risk of an audio callback being in progress when -dealloc is received.
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2017-02-22 21:12:59 -05:00 |
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Thomas Harte
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6120dae61a
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While I'm using the hacky approach to player/missile synchronisation, I need to seed adder.
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2017-02-22 07:39:11 -05:00 |
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Thomas Harte
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1d03793f22
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Fixed potential race condition: ensure the queue is disposed of synchronously because otherwise there'll be a potential dangling reference to self.
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2017-02-22 07:35:09 -05:00 |
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Thomas Harte
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4f5f191cd6
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Fixed: will no longer attempt to output pixels from before the pixel part of a line on which sync was disabled abruptly.
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2017-02-22 07:33:36 -05:00 |
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Thomas Harte
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21abf4e9fc
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Enshrined a terminology switch, albeit without any flow change behind it.
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2017-02-22 07:29:48 -05:00 |
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Thomas Harte
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144d6b70d9
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Minor cleaning.
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2017-02-22 07:14:30 -05:00 |
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Thomas Harte
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b769f22ca0
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Switched back to the collision_buffer_ being part of the TIA object, added one more assert.
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2017-02-21 22:26:20 -05:00 |
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Thomas Harte
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7019d396d0
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Threw in some asserts, discovering a bug in missile positioning.
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2017-02-21 22:04:27 -05:00 |
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Thomas Harte
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f4447fd9cd
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Attempted to fix failure of sprites properly to wrap when performing motion.
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2017-02-21 21:53:09 -05:00 |
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Thomas Harte
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36396b3d62
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Made a slightly better, albeit still inaccurate, version of missile-player lock.Enough for Combat to do reasonable things.
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2017-02-21 20:45:20 -05:00 |
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Thomas Harte
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d1dbf8c21f
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Missile to player lock is supposed to be a toggle; also factored out the commonalities of missile and ball drawing.
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2017-02-21 07:58:37 -05:00 |
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Thomas Harte
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1bde0fed6f
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Simplified relationship between Objects and the usage-specific components through inheritance.
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2017-02-21 07:37:20 -05:00 |
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Thomas Harte
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7ab2358bba
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Made an attempt to reintroduce missiles.
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2017-02-20 22:22:39 -05:00 |
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Thomas Harte
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99547181f1
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Attempted to template this thing. Without yet a plan in place for pixel lookup timing.
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2017-02-20 21:42:59 -05:00 |
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