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4,412 Commits 8 Branches 121 Tags 496 MiB
248a8efd2f
Commit Graph

641 Commits

Author SHA1 Message Date
Thomas Harte
248a8efd2f Corrects declared pixel clock GCD. 2019-01-06 16:32:13 -05:00
Thomas Harte
601961deeb Wires through set_display_type. 2018-11-29 20:44:21 -08:00
Thomas Harte
64465f97b6 Starts towards reintroducing the proper mechanisms for selecting a display type at runtime. 2018-11-28 17:53:33 -08:00
Thomas Harte
5618288459 Reduces visible area, producing a tighter crop. 2018-11-25 22:32:12 -05:00
Thomas Harte
ee89be6730 Removes many stray spaces. 2018-11-23 22:32:32 -05:00
Thomas Harte
770d7e90e9 Removes stale sampling functions. 2018-11-22 22:47:29 -05:00
Thomas Harte
b9aca39eb0 Reintroduces Vic-20 output. 
Resolving errors in shader generation while I'm here.
 2018-11-22 22:43:42 -05:00
Thomas Harte
c5d9bf2c12 Optimises slightly for black borders. 
Specifically to help to debug proper display of unused lines in the new scan target.
 2018-11-17 18:23:42 -05:00
Thomas Harte
15b1176841 Ensures no border output if space is not allocated. 2018-11-14 22:32:33 -05:00
Thomas Harte
9dff13cbbf Re-establishes output from the machines with 9918s and derivatives. 2018-11-14 22:25:19 -05:00
Thomas Harte
6d277fecd5 Makes ScanTarget a little more communicative and orthogonal. 2018-11-10 19:52:57 -05:00
Thomas Harte
f6562de325 Possibly adds enough for the Electron and ZX80 to start outputting dummy lines. 
Let's see!
 2018-11-03 23:40:39 -04:00
Thomas Harte
b40211d2c0 Starts to bend 'CRTMachine' to a world farther from owning the GPU relationship. 2018-11-03 21:54:25 -04:00
Thomas Harte
da4d883321 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.
 2018-11-03 19:58:44 -04:00
Thomas Harte
f65d80b7d1 Ensures offset and flags are initialised to 0. 
This prevents a potential crash at startup.
 2018-10-29 22:09:32 -04:00
Thomas Harte
8652d8b23d (Mostly) randomises the 9918 start position. 2018-10-26 21:02:56 -04:00
Thomas Harte
e02aa885d8 Testing against the ColecoVision suggests this is probably always 7. 2018-10-26 20:59:12 -04:00
Thomas Harte
bb09762029 Introduces extra delays to VRAM access. 2018-10-26 20:19:08 -04:00
Thomas Harte
05a5c7120e Shunts CRAM dots into their proper place. 2018-10-26 20:06:51 -04:00
Thomas Harte
521d603902 Adds a first attempt at CRAM dot output. With a TODO. 2018-10-26 19:26:46 -04:00
Thomas Harte
916710353a Makes it explicit that I want the reference. 2018-10-25 23:18:34 -04:00
Thomas Harte
53b00dea3f Adds missing include. 2018-10-25 23:12:41 -04:00
Thomas Harte
0587b9f257 Edges to within millimetres of CRAM dots. 
... but all the way up to bedtime.
 2018-10-25 23:12:03 -04:00
Thomas Harte
5accd8cf08 Fixes broken implementation of 9918 multicolour mode. 2018-10-24 22:40:38 -04:00
Thomas Harte
a8645f80bf 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.
 2018-10-24 21:59:30 -04:00
Thomas Harte
d61c3a9442 Fixes sprite list termination in 224- and 240-line modes. 2018-10-24 19:53:46 -04:00
Thomas Harte
2cdeaa2575 Moves misplaced bracket. 2018-10-23 22:37:19 -04:00
Thomas Harte
286783e880 Accepts GCC's suggestion of extra clarity brackets. 2018-10-23 22:36:23 -04:00
Thomas Harte
00e7958a97 Separates request for an SMS2 VDP from current graphics mode. 
Thereby fixes various minor segments of Codemasters games.
 2018-10-23 22:19:45 -04:00
Thomas Harte
2f995eb622 Adjusts vertical timing for display height. 2018-10-23 21:20:44 -04:00
Thomas Harte
90fbad0f1c Implements SMS2-style addressing if in a 224 or 240-line mode. 
This isn't quite accurate, but it'll do for development.
 2018-10-23 20:30:08 -04:00
Thomas Harte
2cbd28478d Allows the sprite terminator to be specified. 2018-10-23 20:01:47 -04:00
Thomas Harte
7855145ebd Slightly adjusts pixel output time. 
i.e. respective to reading; sprite collision times now seem correct.
 2018-10-22 19:58:33 -04:00
Thomas Harte
883680731a Uses explicit state to determine whether a pixel target has been requested. 2018-10-21 21:18:41 -04:00
Thomas Harte
c07f9fed99 Corrects test and implementation to pass the exhaustive VDP interrupt prediction test. 2018-10-21 18:42:49 -04:00
Thomas Harte
16f08eb654 Slightly tweaks Master System timing numbers. 2018-10-21 13:58:34 -04:00
Thomas Harte
30b99f0049 Fixes a couple of interrupt prediction errors. 2018-10-20 18:25:28 -04:00
Thomas Harte
b61de65b43 Restores proper phase with the CPU. 2018-10-19 23:18:16 -04:00
Thomas Harte
0822c96ce0 Implements the proper row counter values for > 192 row modes. 2018-10-19 22:37:56 -04:00
Thomas Harte
f9a6c00493 Makes first attempt to support PAL timings. 2018-10-19 21:36:13 -04:00
Thomas Harte
4cd65eab5c Seeks to avoid bad macro expansion. 2018-10-18 22:36:25 -04:00
Thomas Harte
9bc09046c0 Attempts to ensure that sprites can go off the top of the screen. 2018-10-18 21:48:57 -04:00
Thomas Harte
512f085891 Ensures proper left clipping of sprites. 2018-10-18 21:14:16 -04:00
Thomas Harte
da00c832f5 Corrects colour fetching for multicolour text mode. 2018-10-18 20:38:00 -04:00
Thomas Harte
8ff265c3a1 Corrects multicolour text mode. 2018-10-18 20:25:42 -04:00
Thomas Harte
1fc88c4eff Corrects off-by-one error in line fetching coroutines. 2018-10-16 21:36:31 -04:00
Thomas Harte
58ca74c68a Resolves right-side TMS sprite droppages. 2018-10-16 21:25:08 -04:00
Thomas Harte
b4f871a2ef Corrects first line sprite row selection. 2018-10-16 21:16:29 -04:00
Thomas Harte
0f7bf6d6c6 Resolves attempt to output graphics on the line one before the display. 2018-10-16 21:02:31 -04:00
Thomas Harte
5dfe7d8596 Corrects most of TMS sprite drawing. 2018-10-16 20:49:04 -04:00