292 Commits

Author	SHA1	Message	Date
Adrian Conlon	ee9d2bd02b	More address mode clarification/simplification	2024-03-06 18:36:09 +00:00
Adrian Conlon	5cf821acb6	More address simplifications	2024-03-05 10:29:01 +00:00
Adrian Conlon	ff01ed5f6f	A few small simplifications	2024-03-05 08:56:15 +00:00
Adrian Conlon	8369e0d976	Address calculations are a little easier, if they're always 16-bit	2024-03-04 17:07:22 +00:00
Adrian Conlon	92d677f9d0	Refactor M6502 address mode related code.	2024-03-04 16:58:25 +00:00
Adrian Conlon	2e29233b3b	Tidy up of the M6502 page fixup code	2024-03-01 23:18:24 +00:00
Adrian Conlon	63e958e069	Make disassembly available from the checking code.	2024-01-11 09:17:59 +00:00
Adrian Conlon	81f5efb49a	Tidy JSON parsing in HarteTests	2024-01-10 14:41:37 +00:00
Adrian Conlon	0a9a1e5d4c	Complete all the undocumente M6502 features. Hurrah!	2024-01-07 16:20:58 +00:00
Adrian Conlon	72be3238f2	Undocumented M6502 instruction implemented	2024-01-07 15:52:16 +00:00
Adrian Conlon	86ef340650	Tidy arithmetic overflow handling in M6502 core	2024-01-07 14:35:12 +00:00
Adrian Conlon	4f4bc5355d	Simplification of M6502 flag set/reset code	2024-01-07 14:04:41 +00:00
Adrian Conlon	7eca073a6e	Make explicit swallow operations.	2024-01-07 12:15:11 +00:00
Adrian Conlon	22f337569d	Looks like the stray tick in the 6502 step method wasn't stray after all!	2024-01-07 11:37:28 +00:00
Adrian Conlon	70c316fd4f	Add support for the M6502 undocumented instruction *ANE	2024-01-06 23:10:53 +00:00
Adrian Conlon	3ebc321c59	Add an implementation of the *JAM instruction that passes HarteTest	2024-01-06 22:44:59 +00:00
Adrian Conlon	69a845e2f4	How did that "secret" tick in the M6502 implementation get there???	2024-01-06 20:53:50 +00:00
Adrian Conlon	9334f6ee93	Fix the ATX implementation in the M6502 core	2024-01-06 13:10:51 +00:00
Adrian Conlon	bd289ed8fb	Add a working M6502 ARR implementation	2024-01-06 12:19:02 +00:00
Adrian Conlon	bc37fd4e30	Better information in the event of failing tests	2024-01-06 12:17:45 +00:00
Adrian Conlon	48369f0e98	Remove warning about temporary values being used	2024-01-06 12:17:15 +00:00
Adrian Conlon	349bada9cc	Add undocumented instructions SYA and SXA to M6502 implementation	2024-01-06 09:52:17 +00:00
Adrian Conlon	c15f7f836e	Start testing undocumented instructions	2024-01-05 12:58:32 +00:00
Adrian Conlon	5d24a136a2	Correct loads of undocumented M6502 instructions	2024-01-05 12:52:27 +00:00
Adrian Conlon	72e548ae13	Use simpler simdjson access methods	2024-01-01 23:25:32 +00:00
Adrian Conlon	d0f445b9f9	Update simdjson for M6502 tests	2024-01-01 22:35:38 +00:00
Adrian Conlon	93088b355c	M6502: Unify accumulator write page boundary fixup code	2023-12-31 14:58:15 +00:00
Adrian Conlon	e4fbeebfa7	Correct problem in page boundary condition for M6502.	2023-12-31 14:32:16 +00:00
Adrian Conlon	84a2d0f952	Whoops: failed to check cycle problems in M6502 tests	2023-12-31 14:21:17 +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	14af272d75	Update simdjson	2023-04-01 07:52:02 +01:00
Adrian Conlon	9e2c3e32b1	Fully switch to C++20	2022-07-01 09:30:38 +01:00
Adrian Conlon	4c65c22a85	Use latest SIMDJson library	2022-07-01 09:26:46 +01:00
Adrian Conlon	1a5df4c8a7	More "noexcept" specifiers added to M6502 class	2022-01-24 23:00:25 +00:00
Adrian Conlon	1796d62517	std::string_view rather than std::string reads a bit better for this use.	2022-01-21 22:49:22 +00:00
Adrian Conlon	8e0092ec9d	Tidy up noexcept specification	2022-01-17 19:10:15 +00:00
Adrian Conlon	83b7efdd03	Use iterator, rather than index access for JSON data, if possible. Bit of a speed up!	2022-01-06 09:50:58 +00:00
Adrian Conlon	53ef92dbc4	So I can compare implementations, add a non-coroutine variant of the HarteTest suite.	2022-01-03 00:50:41 +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	bb75f98d5d	Experimentation with C++17 compatibilty. Mainly an exercise in rewrting coroutine code in boost::coroutine2. Interesting!	2022-01-01 13:20:34 +00:00
Adrian Conlon	6b6ce71140	Remove unused includes	2022-01-01 11:13:28 +00:00
Adrian Conlon	d570be3f0e	Prefer accessor methods, if available.	2022-01-01 11:12:51 +00:00
Adrian Conlon	6346ea9278	Switch to C++20 everywhere	2021-12-29 11:39:41 +00:00
Adrian Conlon	fa9c4ea3b3	Catch some missing [[nodiscard]] attributes.	2021-12-17 21:08:10 +00:00
Adrian Conlon	7af8a19e2f	Coroutine generator becomes a part of the core EightBit library.	2021-12-17 09:19:16 +00:00
Adrian Conlon	3d5d4d889c	Lots of C++20 and stability changes in 6502 HarteTest	2021-12-08 19:54:53 +00:00
Adrian Conlon	5522fde9a7	Make the flag manipulations in the 6502 implementatin a little more comprehensible	2021-12-08 19:47:35 +00:00
Adrian Conlon	61b7359505	cycles_t is better served as an array_t typedef	2021-12-08 19:43:40 +00:00