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Author	SHA1	Message	Date
Thomas Harte	a3b6d2d16e	Corrects test and resolves all instances of opcodes that are valid but shouldn't be. ... The converse case will require implementation of the remaining instructions.	2019-04-25 22:54:58 -04:00
Thomas Harte	3983f8303f	Introduces failing test of 68000 opcode coverage.	2019-04-25 22:06:05 -04:00
Thomas Harte	7cbd5e0ef6	Imports additional files used as test cases.	2019-04-25 21:43:47 -04:00
Thomas Harte	dab9bb6575	Implements EXT.	2019-04-25 18:22:19 -04:00
Thomas Harte	7df85ea695	Cleans up and formally introduces a comparative source for QL startup.	2019-04-25 15:42:41 -04:00
Thomas Harte	c132bda01c	Implements MOVE from SR.	2019-04-25 14:39:32 -04:00
Thomas Harte	4e25bcfcdc	Corrects decoding of AND/OR x, Dn.	2019-04-25 14:19:13 -04:00
Thomas Harte	ea463549c7	Corrects overflow flag for LSL and LSR.	2019-04-25 13:59:10 -04:00
Thomas Harte	723acb31b3	Corrects various flag issues with ADD, SUB and NEG.	2019-04-25 13:53:23 -04:00
Thomas Harte	5725db9234	Corrects calculated-address TAS.	2019-04-25 12:42:05 -04:00
Thomas Harte	8557e563bc	Takes a run at TAS, clarifying bus cycles.	2019-04-25 12:19:40 -04:00
Thomas Harte	d2491633ce	Ensures MOVEM to M .w correctly updates A7.	2019-04-24 23:21:15 -04:00
Thomas Harte	002796e5f5	Takes a run at BSET and BCHG.	2019-04-24 23:01:32 -04:00
Thomas Harte	fa0accf251	Attempts to correct flags for ASL, ASR, LSL, LSR.	2019-04-24 21:04:47 -04:00
Thomas Harte	dcb8176d90	Corrects potential failure properly to set stack pointer state.	2019-04-24 17:58:27 -04:00
Thomas Harte	be32b1a198	Fixes JSR (An) return address [again].	2019-04-24 17:50:38 -04:00
Thomas Harte	582e4acc11	Implements ANDI/ORI/EOR to SR/CCR.	2019-04-24 17:38:59 -04:00
Thomas Harte	10f75acf71	Causes EXG to function.	2019-04-24 16:32:16 -04:00
Thomas Harte	b9933f512f	Fixed: the word/long-word bit works the other way around.	2019-04-24 16:30:15 -04:00
Thomas Harte	75a7f7ab22	Inserts missing program fetch for CMPI.bw #, (d8/16...).	2019-04-24 14:45:24 -04:00
Thomas Harte	e214584c76	SWAP should clear overflow and carry.	2019-04-24 13:19:56 -04:00
Thomas Harte	0bb6b498ce	Simplifies and fixes post-inc MOVE behaviour.	2019-04-24 13:14:25 -04:00
Thomas Harte	958d44a20d	Causes SWAP actually to perform.	2019-04-24 13:06:12 -04:00
Thomas Harte	bb9424d944	Corrects byte increment/decrement actions for A7.	2019-04-24 13:01:08 -04:00
Thomas Harte	11bf706aa2	Attempts to fix LT and LTE conditions.	2019-04-24 10:07:17 -04:00
Thomas Harte	033b8e6b36	ADD/SUBQ #, An shouldn't set flags. ... Also, temporarily at least, adds a new means for observing CPU behaviour.	2019-04-24 09:59:54 -04:00
Thomas Harte	7c3ea7b2ea	Resolves additional byte accesses being signalled as word.	2019-04-23 21:23:20 -04:00
Thomas Harte	a08043ae88	Ensures that MOVE.b #, (xxx).l writes only a byte. ... Also rearranges some of the temporary logging functionality.	2019-04-23 19:01:58 -04:00
Thomas Harte	7c132a3ed5	Ensures 16-bit values of Xn for (d8, An, Xn) are sign extended.	2019-04-22 22:13:02 -04:00
Thomas Harte	20e774be1e	Corrects return address of JSR (An).	2019-04-22 21:11:49 -04:00
Thomas Harte	6d6046757d	Fixes predecrementing MOVEM to leave the proper address in the relevant register.	2019-04-22 15:41:09 -04:00
Thomas Harte	55073b0a52	Corrects a bunch of MOVEs to (d8/16, PC/An, [Xn]).	2019-04-21 22:55:23 -04:00
Thomas Harte	44eb4e51ed	Ensures DBcc properly signals program fetches.	2019-04-21 22:54:20 -04:00
Thomas Harte	3cb042a49d	Corrects the carry and extend flags for various long-word operations.	2019-04-21 22:08:18 -04:00
Thomas Harte	b78ea7d24c	Further simplifies CMPA.	2019-04-20 21:23:36 -04:00
Thomas Harte	c66728dce2	Corrects decoding of CMPA.	2019-04-20 21:21:33 -04:00
Thomas Harte	0be9a0cb88	Corrects Scc (and other conditionals) for complex addressing modes.	2019-04-20 18:35:19 -04:00
Thomas Harte	a90f12dab7	Corrects return address for TRAP.	2019-04-20 15:49:32 -04:00
Thomas Harte	ef33b004f9	Corrects word access order of MOVEM.l.	2019-04-20 15:13:12 -04:00
Thomas Harte	2cac4b0d74	Corrects EA usage for ADDA and SUBA.	2019-04-19 23:02:41 -04:00
Thomas Harte	a49f516265	Corrects direction of MOVE [to/from] USP.	2019-04-19 22:41:06 -04:00
Thomas Harte	2d97fc1f59	Beefs up documentation and developer support.	2019-04-19 13:29:35 -04:00
Thomas Harte	9ef7743205	Attempts to unify type decoding a little further.	2019-04-19 13:29:20 -04:00
Thomas Harte	ee7ae11e90	Implements EXG and SWAP.	2019-04-19 11:27:43 -04:00
Thomas Harte	f67d7f1db5	Adds the final (!) set of missing MOVEs.	2019-04-19 11:11:38 -04:00
Thomas Harte	99981751a2	Adds the official NOP. ... Which is a freebie.	2019-04-18 23:46:01 -04:00
Thomas Harte	ffdf02c5df	Adds MOVE XXX.lw, -(An)	2019-04-18 23:40:54 -04:00
Thomas Harte	27c7d00a05	Commutes final missing MOVEs to TODOs.	2019-04-18 23:35:32 -04:00
Thomas Harte	64c4137e5b	Begins a cleanup procedure on MOVE.	2019-04-18 23:25:19 -04:00
Thomas Harte	8c26d0c6e6	Makes an attempt at RTE and RTR.	2019-04-18 20:50:58 -04:00