34 Commits

Author	SHA1	Message	Date
Thomas Harte	2bac276870	Populate type_of.	2025-10-24 23:42:40 -04:00
Thomas Harte	213f9850e7	Add WDC65C02 decoder.	2025-10-24 23:41:55 -04:00
Thomas Harte	378bffbf84	Implement BBR/BBS.	2025-10-24 23:37:18 -04:00
Thomas Harte	c291d5313d	Fix PLX.	2025-10-24 22:22:05 -04:00
Thomas Harte	e81233c586	Implement JMP (abs,x).	2025-10-24 22:16:36 -04:00
Thomas Harte	0d72c75e15	Give modify stalls to fast NOPs.	2025-10-24 16:51:07 -04:00
Thomas Harte	2e0e89c494	Implement fast modify path; fix more NOPs.	2025-10-24 16:43:57 -04:00
Thomas Harte	7d6b7a5874	Adjust 0x?b NOPs.	2025-10-24 15:57:54 -04:00
Thomas Harte	9aae07b737	Implement zero indirect addressing mode.	2025-10-24 15:53:55 -04:00
Thomas Harte	cb81156835	65c02: distinguish 'fast' NOPs from regular.	2025-10-24 13:52:32 -04:00
Thomas Harte	1fd8d94e2e	Import further NOPs.	2025-10-24 13:33:10 -04:00
Thomas Harte	e4fe127444	Fix 65c02 modify cycles: read/read/write, not read/write/write.	2025-10-24 13:30:10 -04:00
Thomas Harte	aeabd5f113	Patch in TSB and TRB.	2025-10-24 12:33:13 -04:00
Thomas Harte	58f7d4065c	65c02: support single-cycle NOP.	2025-10-24 12:29:53 -04:00
Thomas Harte	60f25a3ba4	Add some of the easier overrides.	2025-10-24 12:21:53 -04:00
Thomas Harte	d267571dc6	Add spot to fill in Synertek mappings.	2025-10-24 12:13:10 -04:00
Thomas Harte	e9c8c61dcf	Reformulate to be slightly more conditional, but substantially deduplicate code.	2025-10-23 21:52:31 -04:00
Thomas Harte	7cd20f5d12	Add all absolute-indexed oddities.	2025-10-23 13:39:03 -04:00
Thomas Harte	5396d751e1	Support SHX and a SHA.	2025-10-23 13:27:55 -04:00
Thomas Harte	d23e715650	Decision: these five have weird addressing, so that counts as weird addressing modes.	2025-10-23 13:13:01 -04:00
Thomas Harte	0791bce338	Fix everything other than the oddball SHA/SHX/SHY/SHS.	2025-10-22 22:12:32 -04:00
Thomas Harte	2bcb74072a	Add trqnsfers, correct a STA.	2025-10-22 21:20:11 -04:00
Thomas Harte	c5f2f17f33	Further populate perform. ... First failing test is now 0x8a.	2025-10-22 21:13:57 -04:00
Thomas Harte	ebda18b44e	Implement the two JMPs.	2025-10-22 17:52:55 -04:00
Thomas Harte	02e74ca1f4	Add absolute-indexed addressing.	2025-10-22 17:18:54 -04:00
Thomas Harte	2f210ebe3b	Fix IndexedIndirect/IndirectIndexed confusion, proceed to test 0x14.	2025-10-22 13:29:45 -04:00
Thomas Harte	693b53baa2	Proceed through absolute addressing to test 0x10.	2025-10-22 13:05:46 -04:00
Thomas Harte	77554879a5	Add missing 0x?e group.	2025-10-22 13:00:36 -04:00
Thomas Harte	45363922b5	Adds rolls and shifts, and zero-page addressing.	2025-10-22 12:56:07 -04:00
Thomas Harte	b35a55a658	Implement jamming.	2025-10-21 23:16:59 -04:00
Thomas Harte	ff08c03bc5	Coral into building.	2025-10-21 13:31:48 -04:00
Thomas Harte	2d6a0b3ed0	Add a branch to nowhere.	2025-10-20 23:08:04 -04:00
Thomas Harte	80f0ce78e0	Eliminate unused enum.	2025-10-20 22:51:12 -04:00
Thomas Harte	fde0e2434e	Attempt to transcribe base 6502 instruction set.	2025-10-20 22:50:14 -04:00