162 Commits

Author	SHA1	Message	Date
Thomas Harte	bf7faa80c1	Add TODO.	2022-03-10 16:47:54 -05:00
Thomas Harte	a2ae3771eb	Add test for switch to Source::IndirectNoBase.	2022-03-10 15:45:56 -05:00
Thomas Harte	673ffc50da	Switch to intended compact version of Instruction.	2022-03-10 15:14:50 -05:00
Thomas Harte	6dc9973754	Incorporate length into Instruction.	2022-03-10 07:12:12 -05:00
Thomas Harte	cf6a910630	Handle no-base case directly in existing switch.	2022-03-09 20:20:32 -05:00
Thomas Harte	520baa6ec8	Formalise IndirectNoBase and permit a knowledgable caller to avoid conditionals.	2022-03-09 20:19:40 -05:00
Thomas Harte	bbf925a27e	Clarify, unify and correct decoding and encoding of [CALL/RET/JMP][near/far/relative/absolute].	2022-03-09 16:48:06 -05:00
Thomas Harte	381fd5dbe4	E8 is a relative call.	2022-03-09 16:37:07 -05:00
Thomas Harte	ead8b7437e	Remove done TODO.	2022-03-09 15:26:20 -05:00
Thomas Harte	acd9df6745	Fix segment/offset sizes for far calls.	2022-03-09 15:23:43 -05:00
Thomas Harte	f96c051932	Record PUSH immediate operation size.	2022-03-09 14:24:57 -05:00
Thomas Harte	67b2e40fae	Fixed: INs and OUTs remain single byte.	2022-03-09 10:51:16 -05:00
Thomas Harte	081a2acd61	Fix shift group operand size.	2022-03-09 09:33:25 -05:00
Thomas Harte	de79acc790	Fix RegAddr/AddrRegs and group 2 decoding.	2022-03-09 08:38:34 -05:00
Thomas Harte	21d4838322	Fix current implementation of data_segment. ... As far as it goes.	2022-03-08 17:08:21 -05:00
Thomas Harte	926a373591	Extend SIB test, correct decoder.	2022-03-08 15:03:37 -05:00
Thomas Harte	a954f23642	Attempt 32-bit modregrm + SIB parsing.	2022-03-08 14:39:49 -05:00
Thomas Harte	41a104cc10	Adds special test/control/debug MOVs. ... This'll do; it's not ideal but avoids bloating up the `Source` enum.	2022-03-07 17:04:05 -05:00
Thomas Harte	f0b4971c7b	Correct SHLD format.	2022-03-07 16:39:02 -05:00
Thomas Harte	8e669a32a3	Take a stab at group 8.	2022-03-07 16:34:56 -05:00
Thomas Harte	0e16e7935e	Correct double reference to Group 6.	2022-03-07 16:26:17 -05:00
Thomas Harte	7ea84d9a4e	Add MOVZX, MOVSX.	2022-03-07 16:25:44 -05:00
Thomas Harte	7313c89dec	Add BT, BTS, BTR, BTC, BSF, BSR.	2022-03-07 16:23:25 -05:00
Thomas Harte	35a66c03c2	Add the SETs.	2022-03-07 10:32:34 -05:00
Thomas Harte	bbb3168bae	Adds the missing shift group segues at c0 and c1.	2022-03-07 09:18:59 -05:00
Thomas Harte	1ea9d3faf8	Introduce additional forms of IMUL.	2022-03-07 09:05:22 -05:00
Thomas Harte	4479be4fd0	Add the two immediate PUSHes.	2022-03-06 14:28:41 -05:00
Thomas Harte	91a6bf671d	Also 'easy': LSS, LFS, LGS. ... Though perhaps I'm off on LES and LDS?	2022-03-06 09:28:43 -05:00
Thomas Harte	49b5889d9e	0x8c is available on the 8086.	2022-03-06 09:24:59 -05:00
Thomas Harte	ede61ae130	Flag up TODOs, for easier in-editor navigation.	2022-03-05 17:48:01 -05:00
Thomas Harte	7a79111767	Add the easiest 80386 extensions: PUSH/POP FS/GS and longer conditional jumps.	2022-03-05 17:32:21 -05:00
Thomas Harte	6432521b9d	Correct two references to JP that should be JL.	2022-03-05 17:16:32 -05:00
Thomas Harte	65f578fe61	Add notes on all missing opcodes.	2022-03-05 17:16:13 -05:00
Thomas Harte	3a8eb4a4f0	Add 80386 segment overrides.	2022-03-05 17:03:46 -05:00
Thomas Harte	eb180656bb	Fix $8e data size, add $8c.	2022-03-05 17:00:48 -05:00
Thomas Harte	1afcbba218	Clarify sign extension availability.	2022-03-05 16:44:26 -05:00
Thomas Harte	8a0902a83b	Adapts existing opcodes for 32-bit parsing.	2022-03-05 13:52:07 -05:00
Thomas Harte	dfb312fee6	Make column and row meanings overt.	2022-03-05 11:56:08 -05:00
Thomas Harte	11bb594fa2	Sets up [ignored] memory and data size prefixes.	2022-03-02 20:23:35 -05:00
Thomas Harte	8e3ae2c78f	Add opcode map as documentation.	2022-03-02 20:00:21 -05:00
Thomas Harte	4b4135e35a	Correct #undef.	2022-03-01 18:23:24 -05:00
Thomas Harte	d1148c4cab	Switch to constexpr function, for guaranteed semantics.	2022-03-01 17:30:41 -05:00
Thomas Harte	8ee62b4789	Simplify address size semantics. ... Since it'll no longer be a mode-dependant toggle, but a fully-retained value.	2022-03-01 17:29:26 -05:00
Thomas Harte	5e7a142ff1	Fix is_write errors, update comment, add additional source for asserts.	2022-03-01 16:51:54 -05:00
Thomas Harte	2c816db45e	Refactor: (i) to expose effective address calculation; and (ii) to include address size in Instruction.	2022-03-01 09:36:37 -05:00
Thomas Harte	b920507f34	Double down on AddressT, add an assert on memory_mask.	2022-02-28 10:03:58 -05:00
Thomas Harte	afbc57cc0c	Incorporate displacement, switch macro flag.	2022-02-28 09:53:23 -05:00
Thomas Harte	9f12c009d6	Correct data size when accessing address registers.	2022-02-27 19:45:03 -05:00
Thomas Harte	84ac68a58b	Fix indirect memory read/write	2022-02-27 18:43:00 -05:00
Thomas Harte	27d1df4699	Introduce enough of a DataPointerResolver test to build but fail.	2022-02-27 18:27:58 -05:00