Thomas Harte
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929475d31e
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Minor correction: round down, not up.
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2019-09-28 23:49:32 -04:00 |
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Thomas Harte
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d97348dd38
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Eliminates dangling uses of printf.
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2019-03-02 18:07:05 -05:00 |
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Thomas Harte
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601961deeb
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Wires through set_display_type.
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2018-11-29 20:44:21 -08:00 |
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Thomas Harte
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64465f97b6
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Starts towards reintroducing the proper mechanisms for selecting a display type at runtime.
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2018-11-28 17:53:33 -08:00 |
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Thomas Harte
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5618288459
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Reduces visible area, producing a tighter crop.
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2018-11-25 22:32:12 -05:00 |
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Thomas Harte
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ee89be6730
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Removes many stray spaces.
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2018-11-23 22:32:32 -05:00 |
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Thomas Harte
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770d7e90e9
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Removes stale sampling functions.
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2018-11-22 22:47:29 -05:00 |
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Thomas Harte
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c5d9bf2c12
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Optimises slightly for black borders.
Specifically to help to debug proper display of unused lines in the new scan target.
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2018-11-17 18:23:42 -05:00 |
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Thomas Harte
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15b1176841
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Ensures no border output if space is not allocated.
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2018-11-14 22:32:33 -05:00 |
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Thomas Harte
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9dff13cbbf
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Re-establishes output from the machines with 9918s and derivatives.
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2018-11-14 22:25:19 -05:00 |
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Thomas Harte
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6d277fecd5
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Makes ScanTarget a little more communicative and orthogonal.
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2018-11-10 19:52:57 -05:00 |
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Thomas Harte
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f6562de325
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Possibly adds enough for the Electron and ZX80 to start outputting dummy lines.
Let's see!
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2018-11-03 23:40:39 -04:00 |
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Thomas Harte
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b40211d2c0
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Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship.
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2018-11-03 21:54:25 -04:00 |
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Thomas Harte
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da4d883321
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Adds first, incomplete attempts to talk to a ScanTarget from the CRT.
Does away with the hassle of `unsigned` while I'm here; that was a schoolboy error.
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2018-11-03 19:58:44 -04:00 |
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Thomas Harte
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f65d80b7d1
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Ensures offset and flags are initialised to 0.
This prevents a potential crash at startup.
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2018-10-29 22:09:32 -04:00 |
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Thomas Harte
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8652d8b23d
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(Mostly) randomises the 9918 start position.
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2018-10-26 21:02:56 -04:00 |
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Thomas Harte
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e02aa885d8
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Testing against the ColecoVision suggests this is probably always 7.
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2018-10-26 20:59:12 -04:00 |
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Thomas Harte
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bb09762029
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Introduces extra delays to VRAM access.
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2018-10-26 20:19:08 -04:00 |
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Thomas Harte
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05a5c7120e
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Shunts CRAM dots into their proper place.
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2018-10-26 20:06:51 -04:00 |
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Thomas Harte
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521d603902
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Adds a first attempt at CRAM dot output. With a TODO.
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2018-10-26 19:26:46 -04:00 |
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Thomas Harte
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916710353a
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Makes it explicit that I want the reference.
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2018-10-25 23:18:34 -04:00 |
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Thomas Harte
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53b00dea3f
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Adds missing include.
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2018-10-25 23:12:41 -04:00 |
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Thomas Harte
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0587b9f257
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Edges to within millimetres of CRAM dots.
... but all the way up to bedtime.
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2018-10-25 23:12:03 -04:00 |
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Thomas Harte
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5accd8cf08
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Fixes broken implementation of 9918 multicolour mode.
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2018-10-24 22:40:38 -04:00 |
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Thomas Harte
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a8645f80bf
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Introduces 'non-exclusive' emulator-space keyboards.
i.e. sets of keys that don't amount to an entire keyboard in the modern sense. Experimentally used by the Master System for its reset key.
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2018-10-24 21:59:30 -04:00 |
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Thomas Harte
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d61c3a9442
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Fixes sprite list termination in 224- and 240-line modes.
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2018-10-24 19:53:46 -04:00 |
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Thomas Harte
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2cdeaa2575
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Moves misplaced bracket.
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2018-10-23 22:37:19 -04:00 |
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Thomas Harte
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286783e880
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Accepts GCC's suggestion of extra clarity brackets.
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2018-10-23 22:36:23 -04:00 |
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Thomas Harte
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00e7958a97
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Separates request for an SMS2 VDP from current graphics mode.
Thereby fixes various minor segments of Codemasters games.
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2018-10-23 22:19:45 -04:00 |
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Thomas Harte
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2f995eb622
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Adjusts vertical timing for display height.
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2018-10-23 21:20:44 -04:00 |
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Thomas Harte
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90fbad0f1c
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Implements SMS2-style addressing if in a 224 or 240-line mode.
This isn't quite accurate, but it'll do for development.
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2018-10-23 20:30:08 -04:00 |
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Thomas Harte
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2cbd28478d
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Allows the sprite terminator to be specified.
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2018-10-23 20:01:47 -04:00 |
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Thomas Harte
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7855145ebd
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Slightly adjusts pixel output time.
i.e. respective to reading; sprite collision times now seem correct.
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2018-10-22 19:58:33 -04:00 |
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Thomas Harte
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883680731a
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Uses explicit state to determine whether a pixel target has been requested.
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2018-10-21 21:18:41 -04:00 |
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Thomas Harte
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c07f9fed99
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Corrects test and implementation to pass the exhaustive VDP interrupt prediction test.
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2018-10-21 18:42:49 -04:00 |
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Thomas Harte
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16f08eb654
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Slightly tweaks Master System timing numbers.
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2018-10-21 13:58:34 -04:00 |
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Thomas Harte
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30b99f0049
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Fixes a couple of interrupt prediction errors.
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2018-10-20 18:25:28 -04:00 |
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Thomas Harte
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b61de65b43
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Restores proper phase with the CPU.
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2018-10-19 23:18:16 -04:00 |
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Thomas Harte
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0822c96ce0
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Implements the proper row counter values for > 192 row modes.
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2018-10-19 22:37:56 -04:00 |
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Thomas Harte
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f9a6c00493
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Makes first attempt to support PAL timings.
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2018-10-19 21:36:13 -04:00 |
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Thomas Harte
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4cd65eab5c
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Seeks to avoid bad macro expansion.
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2018-10-18 22:36:25 -04:00 |
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Thomas Harte
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9bc09046c0
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Attempts to ensure that sprites can go off the top of the screen.
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2018-10-18 21:48:57 -04:00 |
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Thomas Harte
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512f085891
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Ensures proper left clipping of sprites.
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2018-10-18 21:14:16 -04:00 |
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Thomas Harte
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da00c832f5
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Corrects colour fetching for multicolour text mode.
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2018-10-18 20:38:00 -04:00 |
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Thomas Harte
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8ff265c3a1
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Corrects multicolour text mode.
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2018-10-18 20:25:42 -04:00 |
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Thomas Harte
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1fc88c4eff
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Corrects off-by-one error in line fetching coroutines.
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2018-10-16 21:36:31 -04:00 |
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Thomas Harte
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58ca74c68a
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Resolves right-side TMS sprite droppages.
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2018-10-16 21:25:08 -04:00 |
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Thomas Harte
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b4f871a2ef
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Corrects first line sprite row selection.
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2018-10-16 21:16:29 -04:00 |
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Thomas Harte
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0f7bf6d6c6
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Resolves attempt to output graphics on the line one before the display.
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2018-10-16 21:02:31 -04:00 |
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Thomas Harte
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5dfe7d8596
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Corrects most of TMS sprite drawing.
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2018-10-16 20:49:04 -04:00 |
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