Thomas Harte
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33bda2d40c
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Switched to image inspection for RAM guesses rather than disassembly. Which fixes the other Parker Bros titles.
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2017-03-11 13:04:23 -05:00 |
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Thomas Harte
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2b5e3a600e
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Made a first attempt at implementing the Parker Bros pager within the emulation.
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2017-03-11 12:43:12 -05:00 |
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Thomas Harte
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9c72ce5bd2
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Ensured a settling delay is permitted before an NTSC/PAL decision is made. To avoid false switches just due to startup.
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2017-03-06 19:37:35 -05:00 |
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Thomas Harte
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79784a8e57
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Followed tip: missiles are locked to the position after four output pixels, not four input pixels.
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2017-03-04 22:23:50 -05:00 |
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Thomas Harte
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4751615623
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Fixed NTSC colour cycle count, and hence the 2600's reported line lengths and phase offset.
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2017-03-04 17:31:39 -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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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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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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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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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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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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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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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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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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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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Thomas Harte
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2bf784535c
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Simplified calllng.
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2017-02-20 18:04:40 -05:00 |
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Thomas Harte
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57f434c199
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Reorganised state, with an eye towards unifying object motion and triggers.
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2017-02-20 17:58:28 -05:00 |
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Thomas Harte
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99a35266e1
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Attempted to bring frequency-switching logic into the cross-platform realm. Which for now creates an issue with the OpenGL context.
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2017-02-19 21:20:37 -05:00 |
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Thomas Harte
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51bcaea60c
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Disabled incorrect 'optimisations'.
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2017-02-19 12:00:04 -05:00 |
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Thomas Harte
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e00339ef0a
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Attempted to reintroduce the ball.
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2017-02-19 08:02:54 -05:00 |
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Thomas Harte
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53cd125712
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Added stub calls to draw the missiles and ball.
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2017-02-19 07:28:24 -05:00 |
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Thomas Harte
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04693b067c
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Fixed failure of the optimised route to pump the pixel clock; removed optimisation entirely for now.
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2017-02-18 21:36:48 -05:00 |
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Thomas Harte
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cd7876a746
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Reintroduced the extra clocking delay.
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2017-02-18 20:18:50 -05:00 |
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Thomas Harte
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ed5ff49ef5
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Fixed vertical delay, retreated from my previous thought about adding the one extra cycle of sprite delay, at least temporarily.
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2017-02-16 20:52:01 -05:00 |
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Thomas Harte
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8d502a0b03
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Decided not to run before I can walk and switched to storing the motion time and next step explicitly per object.
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2017-02-16 20:28:37 -05:00 |
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Thomas Harte
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5ea232310f
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Added a check against negative runs.
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2017-02-16 18:55:58 -05:00 |
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Thomas Harte
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09309aa74f
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Attempted to prevent extraneous moves.
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2017-02-16 18:52:39 -05:00 |
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Thomas Harte
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b5357860b9
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Made an attempt to split things apart so as to be able to introduce the proper sprite latency.
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2017-02-14 20:56:16 -05:00 |
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Thomas Harte
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cd90118a0f
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Added two, extraordinarily simple tests.
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2017-02-12 20:32:53 -05:00 |
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Thomas Harte
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25776de59d
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I think unit testing this thing is the only way forwards. Started adding appropriate hooks.
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2017-02-12 19:55:02 -05:00 |
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Thomas Harte
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600bdc9af7
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In C++, I think the implicit cast to bool negates the need for any manual collapsing?
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2017-02-12 18:18:35 -05:00 |
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Thomas Harte
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0c9be2b09e
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Shunted the collisions buffer onto a separate area of the heap for the time being, as a debugging aid. Also added a few more initial values.
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2017-02-12 18:16:50 -05:00 |
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