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0b6ef3d4dd
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71 Commits

Author SHA1 Message Date
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
d010e3ca2f Start incorporating CPP core guidelines (as an experiment!) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-10 22:41:50 +00:00
Adrian Conlon
8143f8a506 Try to correct "one definition rule" problems: 
1) No forward declarations
2) No virtual methods defined inline.

Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-05 12:47:42 +00:00
Adrian Conlon
926ac48224 Move to VS2017 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-11-04 23:15:55 +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
a22e59546b Tidy the gameboy core a little. Mainly by moving the execution loops into the bus class. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-24 00:04:13 +01:00
Adrian Conlon
daa8eabb49 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-10-22 21:37:21 +01:00
Adrian Conlon
fa03e8dc55 Simplify I/O port event handling. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-22 21:31:20 +01:00
Adrian Conlon
90b0673259 Correct a couple of header file issues in the base EightBit library 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-22 21:24:28 +01:00
Adrian Conlon
10913bf1b8 Remove some unused signals. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-01 22:22:25 +01:00
Adrian.Conlon
b445457b37 Fire pre/post memory read/write events 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-14 15:00:57 +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
b0923bd472 (Coverity) Initialise Bus variables in constructor. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 13:45:16 +01:00
Adrian.Conlon
0665de5951 Make the base BUS architecture a little easier to work with. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 00:53:22 +01:00
Adrian.Conlon
64b7335a79 Attempted move to a "BUS" oriented memory architecture (TBC!) 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-06 13:22:23 +01:00
Adrian.Conlon
da806bddcb Tidy some more Windows/Linux compatibility issues. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-03 21:30:46 +01:00
Adrian.Conlon
640b2be670 Parts of the EightBit library become linux compatible (TBC!) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-03 12:11:14 +01:00
Adrian.Conlon
57cfd79c44 Tidy header file usage a little. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-01 16:41:50 +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
1eb127ed72 Add power support to processor base class. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-31 12:13:00 +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
ec15a2c90c Correct SP arithmetic methods: All Blargg CPU tests now pass. Hurrah! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-28 23:04:25 +01:00
Adrian.Conlon
91c8855183 Share i8080 and Z80 I/O implementations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-28 21:41:10 +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
9964070b85 Refactor to allow peek/poke/reference to share a common implementation as much as possible. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-24 11:28:01 +01:00
Adrian.Conlon
448ee2f09f Refactor the MBC implementation to allow a single point of definition. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-24 10:28:31 +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
8716035396 Second stage halt implementation: allow halt state to be exited by an interrupt. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-20 20:09:21 +01:00
Adrian.Conlon
7948962d70 Because of its boot room, the LR35902 needs a custom clear mechanism. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-10 20:30:37 +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
beca76d733 Share instruction decoding mechanism between Intel derived processors. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-21 13:33:17 +01:00
Adrian.Conlon
99e3454527 Memory locking is dependent on the GB hardware, not the size of the program, so allow lock ranges to be manually specified. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-18 21:40:29 +01:00
Adrian.Conlon
35def4184a Start adding enough infrastructure to support memory mapped IO on LR35902. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-18 00:13:41 +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
Adrian.Conlon
4f491f110e Make the 6502 a little more compatible with other processor implementations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-17 13:46:06 +01:00
Adrian.Conlon
8c81a27224 "Modernise" the 6502 emulator a little. Not complete, but does successfully complete Klaus Dormann tests. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-11 21:34:01 +01:00
Adrian.Conlon
3001a97128 Don't bother wiring up memory events that the 6502 doesn't need (I think!) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-08 09:41:07 +01:00
Adrian.Conlon
8256d97b60 Modified to work with my builds of the Klaus Dormann 6502 test suite. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-08 01:04:20 +01:00
Adrian.Conlon
3c0a1697fd Fetching bytes/words and stack access are more processor specific than I thought. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-07 09:27:06 +01:00
Adrian.Conlon
f970c45005 Get the loop exit conditions worked out. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-06 21:32:52 +01:00
Adrian.Conlon
d4b133e9ac Show cycles per second as MHz 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-05 19:15:58 +01:00
Adrian.Conlon
6db32ae7c5 Small consistency change in the 8-bit memory model. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-05 17:44:47 +01:00
Adrian.Conlon
0e7ad4dd01 Correct a couple of inconsistencies in the test harness. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-05 17:40:16 +01:00
Adrian.Conlon
983639d530 Correct a couple of header issues in the test harness. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-04 13:00:23 +01:00
Adrian.Conlon
88d3e4fd47 Initial stab at getting MOS6502 imported to the EightBit library. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-02 22:03:33 +01:00
Adrian.Conlon
6af1857cb0 A few minor consistency tweaks to the i8080 and z80 processors. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-02 17:38:19 +01:00
Adrian.Conlon
954887217f Performance mods: probably about 30% speedup: the best yet. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-29 00:50:34 +01:00