513 Commits

Author	SHA1	Message	Date
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
Thomas Harte	81dcfd9f85	Implements AND, OR and EOR. ... As well as introducing a little more nuance to the double-decoding test.	2019-04-18 16:34:48 -04:00
Thomas Harte	9334557fbf	Added important TODO.	2019-04-17 23:12:32 -04:00
Thomas Harte	b09de8efce	Attempts to fill in the rest of MOVE x, -(An).	2019-04-17 23:05:16 -04:00
Thomas Harte	5a50eb56dd	Marginally increases coverage of MOVE x, -(An).	2019-04-17 22:30:07 -04:00
Thomas Harte	e49b257e94	Takes a run at TRAP.	2019-04-17 22:21:56 -04:00
Thomas Harte	b8a0f4e831	Implements MOVE to/from USP.	2019-04-17 16:58:59 -04:00
Thomas Harte	29f8dcfb40	Fixes a bunch of (d16, An)-type MOVEs and implements MOVE (XXX).wl, (d16,An)/etc.	2019-04-17 16:13:35 -04:00
Thomas Harte	0c05983617	Shortens impact of MULU on the instruction stream to correct parsing. ... I need to look into this.	2019-04-17 15:15:48 -04:00
Thomas Harte	0bd653708c	Corrects MOVE.bw Dn, (An)[+].	2019-04-17 14:31:20 -04:00
Thomas Harte	41d800cb63	Fixes ADD/SUB Dn,x to use the proper destination value.	2019-04-17 10:23:47 -04:00
Thomas Harte	cadc0bd509	Mental delusion lifted: JSR doesn't look enough like BSR.	2019-04-17 10:02:14 -04:00
Thomas Harte	b64da2710a	Corrects a few MOVE #s.	2019-04-17 10:00:14 -04:00
Thomas Harte	82b08d0e3a	Corrects addressing behaviour of nRd[+-].	2019-04-17 08:53:34 -04:00
Thomas Harte	8f77d1831b	Implements MULU and MULS.	2019-04-16 22:16:43 -04:00
Thomas Harte	be722143e1	Completes addressing modes for ADDI/etc/etc.	2019-04-16 21:34:16 -04:00