265 Commits

Author	SHA1	Message	Date
Thomas Harte	e4c6251ef5	Express the BSR/Bcc.l test properly.	2022-04-18 14:42:31 -04:00
Thomas Harte	7aa250eaf7	Advances to hitting the same absent/present mapping as the old decoder.	2022-04-18 14:41:26 -04:00
Thomas Harte	ff380b686a	Decode MOVEq.	2022-04-18 09:12:45 -04:00
Thomas Harte	d2452f4b68	Fix SUBQ ExtendedOperation mappings.	2022-04-18 09:08:49 -04:00
Thomas Harte	deb9c32a38	Add missing Sccs.	2022-04-18 09:04:17 -04:00
Thomas Harte	440f45b996	Attempt decoding and disambiguation of Scc, DBcc, Bcc and BSR.	2022-04-18 08:55:46 -04:00
Thomas Harte	7d64c4ec66	Add STOP.	2022-04-18 08:29:10 -04:00
Thomas Harte	7fe0d530c1	Add a decoder for TRAP.	2022-04-18 08:05:33 -04:00
Thomas Harte	c944767554	Better document decoding patterns, add LEA and CHK.	2022-04-18 08:00:43 -04:00
Thomas Harte	fde5a1c507	Ensure ADDI, SUBI, etc, provide an operation.	2022-04-18 07:42:30 -04:00
Thomas Harte	1991ed0804	Introduce failing [partial-]test of new 68000 decoder.	2022-04-18 07:23:25 -04:00
Thomas Harte	4eb752b000	Even out tabs.	2022-04-15 20:41:39 -04:00
Thomas Harte	bfb29a58f3	Take another crack at neatness; make LEA overt.	2022-04-15 20:33:59 -04:00
Thomas Harte	f86e455a87	Advance permissively through the 4xxx page to LEA.	2022-04-15 16:01:33 -04:00
Thomas Harte	faa35fe9fc	Decode MOVE and the fixed 0x4xxx set.	2022-04-15 15:40:31 -04:00
Thomas Harte	89b8b59658	Ostensibly completes the 0 line.	2022-04-15 15:33:54 -04:00
Thomas Harte	de55a1adc4	Require a model for decoding; shift a bunch of immediates into ExtendedOperation.	2022-04-15 09:40:37 -04:00
Thomas Harte	d1613025ee	For now, assume the .q actions can be handled inside Preinstruction.	2022-04-13 09:29:12 -04:00
Thomas Harte	cc4431c409	Expand decode to accept a wider array of operations, and then funnel them down.	2022-04-12 16:17:30 -04:00
Thomas Harte	3d5986c55d	Some minor style changes, plus I think I've talked myself into an expanded Operation-tracking enum. Probably.	2022-04-12 14:54:11 -04:00
Thomas Harte	9aeb6ee532	Formally prepare for one- and two-operand instructions.	2022-04-12 09:14:46 -04:00
Thomas Harte	e7f6cc598d	Make first attempt to complete broad phase of decoding.	2022-04-12 09:08:46 -04:00
Thomas Harte	cd465dd121	Decode page E.	2022-04-12 09:04:40 -04:00
Thomas Harte	174b48a14a	Populate lines 9 and D.	2022-04-12 08:57:40 -04:00
Thomas Harte	bca18e7aba	Fill in line decoders for 5, 6 and 7. ... This leaves 9, D and E to go.	2022-04-12 08:44:32 -04:00
Thomas Harte	17e761d6c6	Add enough code to pages 0–3 to shift problem to decode().	2022-04-12 08:36:44 -04:00
Thomas Harte	c50556dde4	Create empty line decoders.	2022-04-12 08:16:29 -04:00
Thomas Harte	dd5bdd67d7	Add B page and a large chunk of 4.	2022-04-12 07:49:08 -04:00
Thomas Harte	21ac9363e9	Add page 8.	2022-04-11 16:32:57 -04:00
Thomas Harte	8e3cccf4d6	Begins a formalised 68k decoder.	2022-04-11 15:00:55 -04:00
Thomas Harte	bb5cf570e5	Remove conditional, make generic enough for both 32- and 64-bit operation.	2022-04-10 15:18:23 -04:00
Thomas Harte	7002d6d306	Improve accuracy of comment.	2022-04-10 09:37:18 -04:00
Thomas Harte	1b8d8f3a04	Default to 32-bit versions.	2022-04-10 09:35:58 -04:00
Thomas Harte	284440336d	Correct rotate_mask().	2022-04-10 09:31:39 -04:00
Thomas Harte	140ae7a513	Clarify template parameters.	2022-04-10 08:57:09 -04:00
Thomas Harte	7de50b5e2e	Provide 64-bit me, mb and sh. Add direct getter for rotate masks.	2022-04-09 21:08:01 -04:00
Thomas Harte	4652a84b43	Add exposition.	2022-04-09 19:20:13 -04:00
Thomas Harte	9e0755bc86	Introduce overlooked: ld, ldu, rldclx, rldcrx, rldicx, rldiclx, rldicrx, rldimix.	2022-04-09 18:28:51 -04:00
Thomas Harte	da0f7d7907	Rearrange into alphabetical order.	2022-04-09 10:20:03 -04:00
Thomas Harte	88d72bf31d	Fill in more mnemonics.	2022-04-08 10:01:52 -04:00
Thomas Harte	aac2f7dd73	Add missing validations.	2022-04-08 09:47:04 -04:00
Thomas Harte	1f44ad1723	Completes test cases.	2022-04-06 21:09:58 -04:00
Thomas Harte	4ab1857a11	Complete MPC601 commentary.	2022-04-06 20:53:44 -04:00
Thomas Harte	d23c714ec7	Build in an optional post hoc validation. ... TODO: validate.	2022-04-05 11:23:54 -04:00
Thomas Harte	59a1fde2a1	Fix is_zero_mask.	2022-04-03 20:37:09 -04:00
Thomas Harte	31276de5c3	Complete 'misc instructions' tests.	2022-04-03 20:33:32 -04:00
Thomas Harte	c581aef11d	Test as far as mffs.	2022-04-03 18:29:40 -04:00
Thomas Harte	7f6a955a71	Complete the cmp set.	2022-04-03 15:50:03 -04:00
Thomas Harte	125d97cc41	Complete floating point tests.	2022-04-03 08:55:28 -04:00
Thomas Harte	de7d9ba471	Add further floating point tests.	2022-04-03 08:06:59 -04:00