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281 Commits

Author SHA1 Message Date
Adrian Conlon b22d7e47e5 Addressing mode simplifications 2024-03-14 14:54:52 +00:00
Adrian Conlon 42afeb342f Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2023-05-17 12:48:20 +01:00
Adrian Conlon fd36555585 Couple of small reference changes 2023-05-17 12:47:57 +01:00
Adrian Conlon 0ca0e1da36 Optimisation: the NOP is meaningless 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2022-07-13 07:44:47 +01:00
Adrian Conlon 8e0092ec9d Tidy up noexcept specification 2022-01-17 19:10:15 +00:00
Adrian Conlon 4efa66c44e Remind MSVC++ of its responsibilities as to properly define "__cplusplus" 2022-01-01 15:13:16 +00:00
Adrian Conlon 42e45ccdef Upgrade to boost 1.78, due to coroutine2 incompatibilities. 2022-01-01 13:30:41 +00:00
Adrian Conlon 6346ea9278 Switch to C++20 everywhere 2021-12-29 11:39:41 +00:00
Adrian Conlon 945fcefb36 Start adding comparison operations to EightBit classes 2021-12-27 14:24:38 +00:00
Adrian Conlon 72705e8dd0 Updated projects for VS2022 2021-12-08 19:42:34 +00:00
Adrian Conlon a37aaeba31 Unify the compilation options to what seems to be a sensible point. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2021-10-24 14:12:57 +01:00
Adrian Conlon b4e2e628d0 Update boost to v1.77 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2021-09-23 08:52:40 +01:00
Adrian Conlon 22506ea56c Extensive change warning: lots of "noexcept" and "constexpr" changes. Not sure if I'll keep all of them, but interesting... 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2021-07-18 14:28:40 +01:00
Adrian Conlon 2f76e901f9 More tidying of include files for VS2019 compatibility (plus more correct!) 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2021-05-29 12:18:13 +01:00
Adrian Conlon 2992a0e78a Event fire: use default arguments, where possible. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2021-04-07 21:36:53 +01:00
Adrian Conlon 4dd3106af0 Tidy up some C++ issues in GameBoy emulator 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2021-03-08 16:42:01 +00:00
Adrian Conlon d785b1eae7 Simplify LR35902 machine timing. 2020-11-13 17:28:35 +00:00
Adrian Conlon eb761bc62f LR35902: Whoops: correct broken timer (when it begins at zero!) 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-13 14:50:12 +00:00
Adrian Conlon fa7e1480d3 LR35902: Fix lots of timing issues by attaching to the "tick" event. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-13 10:14:06 +00:00
Adrian Conlon efed7dae23 LR35902 Simplify timing mechanism (corrects some timing issues as well!) 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-12 18:21:51 +00:00
Adrian Conlon b8a2db96f4 Include interrupt information in the disassembler output. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-12 16:22:44 +00:00
Adrian Conlon f7da03d46b Bring the LR35902 code to be more like the Z80 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-09 11:48:59 +00:00
Adrian Conlon 759b4a9fa8 GameBoy: Correct a few (very minor C++) niggles in the implementation. No functional changes. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-07 09:41:12 +00:00
Adrian Conlon 33dd479421 Updated GameBoy processor documentation. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-11-07 09:36:47 +00:00
Adrian Conlon 808251d0f6 (Dr Mario Fixes) Second tile selection bank is indexed in a signed manner. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-10-28 14:02:42 +00:00
Adrian Conlon 5631d2b367 (Dr. Mario Fixes) Correct out of range crash when palette selection is anything but zero. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-10-28 14:01:40 +00:00
Adrian Conlon 960d6ff181 Whoops: Missed compile module from the LR35902 makefile 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-07-25 09:28:33 +01:00
Adrian Conlon 44c6a8c3d1 Correct some EightBit project analysis warnings. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-04-06 23:11:21 +01:00
Adrian Conlon c8bdabf34f Reflect that the I/O for Intel style processors isn't part of the CPU, but attached to the Bus and access controlled by the CPU. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2020-02-09 11:51:58 +00:00
Adrian Conlon d9466082ec M-Cycle accurate Z80 modifications. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-12-29 01:18:54 +00:00
Adrian Conlon 3a49a9cc59 Use simpler LR35902 CPU/render sequence. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-18 00:54:52 +00:00
Adrian Conlon d9f71a5d05 Add some more gameboy documentation 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-10 11:15:30 +00:00
Adrian Conlon d0467421ff Improve compatibility with .net emulator code. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-09 18:58:23 +00:00
Adrian Conlon 62d71e44bf Upgrade to latest version of boost (1.71.0) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-10-13 00:13:35 +01:00
Adrian Conlon f48f1d559e Move all Intel derived processors over to the simpler "HALT" method. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-29 08:57:30 +01:00
Adrian Conlon 6940a54355 Update all EightBit projects to VS2019 (Latest SDK, C++17) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-17 11:04:29 +01:00
Adrian Conlon 326ebfd8ea Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2019-08-16 21:57:01 +01:00
Adrian Conlon 5e9014997a Upgraded to VS2019, default SDK. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-06 13:16:38 +01:00
Adrian Conlon 03975bd76b Remove unneeded "hex" method. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-06 13:15:39 +01:00
Adrian Conlon 58e074b17f Refactor the keyboard scan code a little more, to make it more comprehensible. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-03 17:44:16 +01:00
Adrian Conlon 45d1fe605f Mild refactoring of the keyboard IO to make the C++ and C# versions as close as possible. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-03 11:39:17 +01:00
Adrian Conlon 86d5ae4745 Correct LR35902 disassembler mistake. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-27 19:48:22 +01:00
Adrian Conlon 9f404d46a4 The LR35902 instruction set doesn't really need the "bit" instruction to return a value. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-21 11:25:56 +01:00
Adrian Conlon def1c58e9d Tidy project settings across the EightBit library to be more consistent. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-06 22:45:16 +01:00
Adrian Conlon 1a0d3ad77a Go through all projects for configuration consistency. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 10:25:44 +01:00
Adrian Conlon 934a1f7025 Use the virtual methods, busRead and busWrite for all processor bus actions. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-02 21:58:34 +00:00
Adrian Conlon f0376fa81e Use macros to define our device pins. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-14 23:17:54 +00:00
Adrian Conlon a44658ec94 Correct a coulple of newly introduced GB issues. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-14 02:23:48 +00:00
Adrian Conlon 92d23d82d6 Start big refactor of device/CPU pin usage (to allow pin events throughout). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-14 02:10:17 +00:00
Adrian Conlon 68030610d8 Move to an event driven clock tick event for all CPUs 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-01-09 23:24:33 +00:00