Thomas Harte
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afbd9fd41b
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Fixed declared line length.
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2017-03-14 21:33:38 -04:00 |
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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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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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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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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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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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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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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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Thomas Harte
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df8a5cbe6d
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Made attempts (i) to respect the delay flag; and (ii) to account for border-region sprite clocking.
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2017-02-12 17:35:09 -05:00 |
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Thomas Harte
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9ce68c38ae
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Made an effort to implement proper pixel output for sprites.
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2017-02-12 14:01:50 -05:00 |
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Thomas Harte
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40954d6a2a
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Attempted to factor out parts I expect to reuse for missiles and the ball.
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2017-02-12 11:31:17 -05:00 |
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Thomas Harte
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ac444a3f34
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Corrected both position increments and target time calculation.
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2017-02-11 21:24:14 -05:00 |
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Thomas Harte
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b8abeced6d
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Made an attempt to introduce the proper eventful loop for player output. With debugging yet to occur.
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2017-02-11 21:01:58 -05:00 |
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Thomas Harte
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aeff59addc
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Implemented motion 'correctly', for programs written to do all work outside of the pixel area.
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2017-02-11 20:25:49 -05:00 |
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Thomas Harte
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6381e4e1b0
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All that's happened to position is that numbers have been added to it. So it can't be negative, given that it wasn't before. So a regular modulo will do.
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2017-02-11 13:34:36 -05:00 |
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Thomas Harte
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905ed1f87b
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Switched to the more natural type, which is also signed, making my logic less prone to error.
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2017-02-11 13:16:53 -05:00 |
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Thomas Harte
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8de6caf6ff
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Started trying to get into a proper structure here. Chickened out.
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2017-02-11 12:59:13 -05:00 |
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Thomas Harte
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40d3f5f7f6
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Attempted properly to respect start.
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2017-02-11 08:26:09 -05:00 |
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Thomas Harte
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64d5712d1d
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Added an incorrectly-coded version of horizontal move, at least so that I can verify that information is going into the correct slots.
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2017-02-10 07:23:43 -05:00 |
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Thomas Harte
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3b20d862f0
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Made an initial attempt to mark sprite positions. But without hmove implemented, they're all over the place.
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2017-02-09 20:53:42 -05:00 |
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Thomas Harte
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2e9ef2b0ef
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Took a shot at reinstating the horizontal blank extend flag.
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2017-02-09 18:37:19 -05:00 |
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Thomas Harte
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dcb7584060
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Added the four-cycle playfield output latency and ensured you can't get smaller-than-usual pixels by rapid register value changing.
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2017-02-08 07:30:32 -05:00 |
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Thomas Harte
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a477499724
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Got a bit more explicit with range returned by get_cycles_until_horizontal_blank and hence attempted a more thorough (/correct) version of WSYNC.
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2017-02-07 22:14:45 -05:00 |
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