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Commit Graph

4758 Commits

Author SHA1 Message Date
Thomas Harte
40f68b70c1 Adds quantification of reports.
Depressingly; 11,841 opcodes are still missing. Better get on with it!
2019-04-26 13:25:34 -04:00
Thomas Harte
40b2fe7339 Merge branch 'master' into 68000 2019-04-26 00:02:35 -04:00
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
757be2906e
Merge pull request #620 from rzumer/fix_typos
Correct typos in Z80.hpp
2019-04-24 13:25:06 -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
Raphaël Zumer
71ac26944d Correct typos in Z80.hpp 2019-04-19 17:44:52 -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