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2482a7b742
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70 Commits

Author SHA1 Message Date
Adrian Conlon
2482a7b742 Moved the 6502 test directory to something a little more standard. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-06 22:10:02 +00:00
Adrian Conlon
2311ea98c6 Add preliminary Linux support for 6502 builds. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-06 21:37:03 +00:00
Adrian Conlon
0d3fee5daf Strictly not required, but makes life easier: add the 6502 test binary. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-06 21:31:25 +00:00
Adrian Conlon
28f11b15bb Whoops: forgot that load data direct needs to be disabled when loading from binary. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-05 20:52:36 +00:00
Adrian Conlon
6ddb57fadb Updated to latest version of the Klaus Dormann 6502 tests. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-05 19:42:34 +00:00
Adrian Conlon
5c3568aebd Undocumented instruction: SLO added 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-04 22:46:44 +00:00
Adrian Conlon
cb89eb8c82 Add undocumented 6502 instruction: ISB 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-04 21:47:50 +00:00
Adrian Conlon
12565966de Remove some assertions from the 6502 implementation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-02 23:24:52 +00:00
Adrian Conlon
4d5afb67a3 Refactor the 6502 code a little. No functional changes and tests still seem to work. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-02 21:20:47 +00:00
Adrian Conlon
345ab2e2c6 Undocumented instruction: DCP added 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-01 21:05:42 +00:00
Adrian Conlon
5f54f61514 Undocumented variant of SBC added. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-01 12:55:47 +00:00
Adrian Conlon
1beee9782f Undocumented instruction: SAX added 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-01 12:46:21 +00:00
Adrian Conlon
75aece30e3 Undocumented instruction: LAX added. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-01 12:28:00 +00:00
Adrian Conlon
d4c08b2a25 Use portability macros in the 6502 disassembler. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2018-01-01 01:16:22 +00:00
Adrian Conlon
eb40c0865e Started added undocumented instructions: first the NOPS (single, double and triple byte variants, including cycle variations). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-31 14:41:00 +00:00
Adrian Conlon
82fe35891d Linux compatibility changes 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-30 15:22:27 +00:00
Adrian Conlon
2683999e2c Mild refactoring, no functional change... 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-30 14:33:48 +00:00
Adrian Conlon
8e4030a5aa Add some performance hints to conditionals. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-29 14:56:26 +00:00
Adrian Conlon
412a44fafd Correct some page crossing conditions affecting 6502 cycle counts. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-29 14:49:53 +00:00
Adrian Conlon
0604d5cf22 Actually, all 6502 getWord usage has an invariant high page indicator. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-29 11:50:24 +00:00
Adrian Conlon
7432e602f8 Correct a 6502 bug in absolute indirect addressing mode (unchanging page on address resolution). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-28 16:15:22 +00:00
Adrian Conlon
1946b7ef39 Correct a couple of flag anomalies in the 6502 processor highlighted by NESTEST 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-28 15:53:30 +00:00
Adrian Conlon
dcf99bf65d Zero page indirection should completely ignore the high byte of the address line. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-28 15:16:21 +00:00
Adrian Conlon
bfa1c07ea4 Change a couple of small formatting quirks in the disassembler to better match "nestest". 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-28 14:18:17 +00:00
Adrian Conlon
81ed53ce11 First stab at a Ricoh 2A03: A 6502 minus decimal mode support. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-25 23:34:56 +00:00
Adrian Conlon
1edabd79f3 More pinout oriented method of executing instructions (especially interrupts) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-10 21:41:48 +00:00
Adrian Conlon
23f7a88480 Further 8080/Z80 interrupt rewrite 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-12-03 00:57:47 +00:00
Adrian Conlon
c513f0cab1 GSL was too problematic when used with GCC. Removed. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-20 19:17:49 +00:00
Adrian Conlon
67c27d4a3e GSL + CPP core guidelines changes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-18 14:29:30 +00:00
Adrian Conlon
dea1847280 Unify more VS2017 build configurations 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-12 10:38:05 +00:00
Adrian Conlon
0b6ef3d4dd VS2017 and CPP core guidelines updates 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-11 15:13:26 +00:00
Adrian Conlon
d4f1614ffa Updated for VS2017 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-10 23:01:10 +00:00
Adrian Conlon
c292fb552e A whole bunch of consistency changes. No functional changes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-03 22:05:01 +00:00
Adrian Conlon
0d3776d3ec Get the 6502 tests running again. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-28 13:06:56 +01:00
Adrian.Conlon
a77e57e5fc Add pre/post read/write memory events. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-13 23:12:47 +01:00
Adrian.Conlon
2c92e4d389 Updated for appveyor library location compatibility. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-12 13:30:56 +01:00
Adrian.Conlon
c472d70c5c Ensure the MOS6502 unit tests run successfully to completion. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 00:58:56 +01:00
Adrian.Conlon
9b43b74c28 Rationalise some of the reset/initialise logic across pProcessor implementations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-01 16:01:40 +01:00
Adrian.Conlon
20c126adfc Correct a couple of cycle counting issues. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-31 01:19:51 +01:00
Adrian.Conlon
e70686c5de Some more rationalisation of processor execution/stepping strategies. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-30 23:17:34 +01:00
Adrian.Conlon
d710a28526 More consolidation of instruction implementations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-28 21:18:08 +01:00
Adrian.Conlon
329fd269ed Share some more code from the 6502 processor implementation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-28 18:52:48 +01:00
Adrian.Conlon
59e9adf57c Share more of push/pop implementation across processors. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-28 13:19:17 +01:00
Adrian.Conlon
2c7e32aa78 First stab at implementing MBC1 support for LR35902. Not complete, but all old tests still work. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-23 23:17:45 +01:00
Adrian.Conlon
12c9125e9b Correct warning in 6502 implementation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-23 22:30:58 +01:00
Adrian.Conlon
99c2e2a719 Tidy up the 10 addressing mode write set to make it clearer when memory writes occur. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-07 21:25:21 +01:00
Adrian.Conlon
aa720c4c12 Pass all Klaus Dormann tests again: correct AM_10 write algorithm. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-07 21:02:31 +01:00
Adrian.Conlon
016b3bca59 Switch to a memory read/write event driven model. All tests passing. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-06 17:06:48 +01:00
Adrian.Conlon
b6dd48ca63 Some more small clarifications of shared processor implementation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-25 18:56:43 +01:00
Adrian.Conlon
017b2a6442 Tidy up memory event handling to make it a bit easier to verify read/write events. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-17 21:00:05 +01:00