313 Commits

Author	SHA1	Message	Date
Adrian Conlon	b812554cb6	add/sub simplifications	2024-03-22 15:57:51 +00:00
Adrian Conlon	fc30360165	Minor interrupt refactoring	2024-03-21 09:20:36 +00:00
Adrian Conlon	0a6ab11fbb	Simplify stack actions	2024-03-20 10:29:20 +00:00
Adrian Conlon	ad1ab61f74	Small 6502 consolidation	2024-03-18 21:38:51 +00:00
Adrian Conlon	c397b4c41b	Swap fixed/unfixed page usage	2024-03-18 21:04:50 +00:00
Adrian Conlon	8b6c4a205e	Lot's of small niggles corrected across the EightBit libraries	2024-03-18 13:03:41 +00:00
Adrian Conlon	739ce39360	Remove unused variable	2024-03-16 14:23:50 +00:00
Adrian Conlon	f19e67875e	More addressing / read tidying	2024-03-16 14:19:28 +00:00
Adrian Conlon	81aecef48b	Some performance updates for the M6502 test code.	2024-03-15 13:16:25 +00:00
Adrian Conlon	3ca8fc4d99	Undocumented code simplification	2024-03-15 12:34:31 +00:00
Adrian Conlon	bc71a4f3a6	read/modify/write tidy	2024-03-15 07:01:37 +00:00
Adrian Conlon	a81dec6c6e	More addressing clarifications	2024-03-15 00:36:57 +00:00
Adrian Conlon	2ef9437ded	intermediate step	2024-03-14 23:09:55 +00:00
Adrian Conlon	b22d7e47e5	Addressing mode simplifications	2024-03-14 14:54:52 +00:00
Adrian Conlon	a25528e11a	More M6502 code consolodation etc.	2024-03-10 14:55:05 +00:00
Adrian Conlon	c92c8d768c	string_view speed-ups in the JSON related code	2024-03-08 19:17:02 +00:00
Adrian Conlon	ef0f8a5654	Speedup by using string_view in memory read/write events	2024-03-08 17:51:15 +00:00
Adrian Conlon	e7c369cf80	Zero page simplification	2024-03-07 08:32:05 +00:00
Adrian Conlon	b582412231	RMW simplification	2024-03-07 08:31:28 +00:00
Adrian Conlon	9a0cf0cca8	Tidy extra space	2024-03-06 22:38:26 +00:00
Adrian Conlon	7bfadb05b4	More address mode simplifications	2024-03-06 21:30:27 +00:00
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