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9,815 Commits 7 Branches 121 Tags 500 MiB
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91 Commits

Author SHA1 Message Date
Thomas Harte
7a82b76911 Ensure visibility of memset. 2023-01-05 13:21:03 -05:00
Thomas Harte
27d37f71ec Generalise and better factor bit reversal and TMS drawing. 2023-01-05 13:18:10 -05:00
Thomas Harte
c4a5a9763e Minor indentation improvement. 2023-01-02 15:04:50 -05:00
Thomas Harte
a9f97ac871 Fix nothing-to-do test. 2023-01-02 15:04:08 -05:00
Thomas Harte
475440dc70 Update ClockConverter for potential alternative clocks. 2023-01-02 14:59:36 -05:00
Thomas Harte
dc3f8f5e42 These are the three fetchers to implement. 
They'll look fairly different from the TMS and SMS fetchers, I think, owing to the greater irregularity that comes with the smarter RAM accesses. I might need to play around for a while.
 2023-01-01 22:44:06 -05:00
Thomas Harte
459ef39b08 constexpr the TMS palette. 2023-01-01 22:34:07 -05:00
Thomas Harte
27812fd0e2 Separate fetchers into their own header. 2023-01-01 22:26:50 -05:00
Thomas Harte
38eb4d36de Better explain cumulative nature of @c to_internal. 2023-01-01 22:18:39 -05:00
Thomas Harte
2bd20a0cf8 Add further exposition. 2023-01-01 22:17:21 -05:00
Thomas Harte
da61909ec5 Explain the purpose here. 2023-01-01 21:20:30 -05:00
Thomas Harte
5729ece7bb Incompletely transitions towards more flexible clock ratios. 2023-01-01 14:20:45 -05:00
Thomas Harte
151f60958e Relocate the 9918 implementation file. 2023-01-01 14:01:19 -05:00
Thomas Harte
180045ada6 Convert vram_access_delay into a free-standing function. 2023-01-01 13:51:52 -05:00
Thomas Harte
11542e7a7f Improve const correctness, simplify inheritance. 2023-01-01 13:49:11 -05:00
Thomas Harte
ffb0b2ce0b Eliminate runtime duplication of personality. 2022-12-31 21:50:57 -05:00
Thomas Harte
b7c315058f Also template Base. 2022-12-31 21:47:05 -05:00
Thomas Harte
d79aac3081 Shuffle the personality enum into the 'public' header. 2022-12-31 15:01:11 -05:00
Thomas Harte
711f7b2d75 C++17 makes this a single step. 2022-12-27 22:50:12 -05:00
Thomas Harte
dca8c51384 Prefer to avoid a macro. 2022-12-27 22:36:27 -05:00
Thomas Harte
2ab4b351ca Extend enum. 2022-12-27 22:20:47 -05:00
Thomas Harte
650b9a139b Tweak Master System blue scale. 2021-03-19 08:38:21 -04:00
Thomas Harte
3cb1072c29 Adds an explicit [[fallthrough]] tag. 2020-06-19 23:10:25 -04:00
Thomas Harte
267006782f Starts to add Qt target; resolves many build warnings. 2020-05-30 00:37:06 -04:00
Thomas Harte
66c2eb0414 Further tightens const and constexpr usage. 2020-05-12 22:22:21 -04:00
Thomas Harte
25996ce180 Further doubles down on construction syntax for type conversions. 2020-05-09 23:00:39 -04:00
Thomas Harte
929475d31e Minor correction: round down, not up. 2019-09-28 23:49:32 -04:00
Thomas Harte
ee89be6730 Removes many stray spaces. 2018-11-23 22:32:32 -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
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
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
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
883680731a Uses explicit state to determine whether a pixel target has been requested. 2018-10-21 21:18:41 -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
4cd65eab5c Seeks to avoid bad macro expansion. 2018-10-18 22:36:25 -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
5dfe7d8596 Corrects most of TMS sprite drawing. 2018-10-16 20:49:04 -04:00