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228 Commits

Author SHA1 Message Date
Adrian Conlon
e8715b941b Explicit use of OAM and VRAM 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 18:00:53 +01:00
Adrian Conlon
9796f9d600 First stab at associating the "Display" class more closely with the Bus. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 15:37:11 +01:00
Adrian Conlon
2b5324cb43 More scanline changes. Try to render only what we need to see. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 01:28:33 +01:00
Adrian Conlon
d5a724fdb4 Whoops: missed variable name change. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 00:34:11 +01:00
Adrian Conlon
e2ea6d1445 Some scan line render corrections. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-04 00:30:59 +01:00
Adrian Conlon
c92b0642a1 First stab at scan line rendering. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-03 23:54:39 +01:00
Adrian Conlon
27acba97ff Correct linux warning (signed/unsigned) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-03 15:42:39 +01:00
Adrian Conlon
1993cbe656 Whoops: missing Makefile source entry. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-03 15:29:48 +01:00
Adrian Conlon
c21d66eba4 Correct both a linux warning, and some timing anomalies. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 20:54:38 +01:00
Adrian Conlon
18d74b6f13 More linux changes 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 20:29:16 +01:00
Adrian Conlon
d2c3efac83 More linux fixes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 17:30:46 +01:00
Adrian Conlon
44ff68d6f3 First part of gb linux port. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 16:47:05 +01:00
Adrian Conlon
c06c0d2cf9 Small tidy ups + optimisations. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 15:28:41 +01:00
Adrian Conlon
8b1da2097b More scan line rendering changes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-02 10:12:25 +01:00
Adrian Conlon
63f7216341 More preparation for scan line rendering. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-10-01 11:32:41 +01:00
Adrian Conlon
13fed631d4 Correct some cycle counting assertion failures. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 16:46:53 +01:00
Adrian Conlon
66b870bb78 First stage refactoring CPU instruction execution (to hopefully allow display interrupt interleave) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2017-09-30 15:28:25 +01:00
Adrian Conlon
da438ffb85 Try to get better cycle count/adjustments. 2017-09-30 00:03:42 +01:00
Adrian.Conlon
794d0fa361 First stab at GB -> linux 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-26 22:59:21 +01:00
Adrian.Conlon
04b6835cf4 Whoops: dangling assert from old audio code. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 23:40:26 +01:00
Adrian.Conlon
dbe5f7f8e5 Prepare the LR35902 to allow use of the Blargg gb sound library. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 22:56:11 +01:00
Adrian.Conlon
053d649124 Whoops: correct or/and muddle in the volume envelope. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 11:19:01 +01:00
Adrian.Conlon
210286514e Calculate voice step length adjustments. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 00:26:06 +01:00
Adrian.Conlon
5084d85e49 Wire envelope amplitude shaping. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-23 00:07:30 +01:00
Adrian.Conlon
09f7fe5dfe Couple of small "documentation" changes. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-22 22:09:57 +01:00
Adrian.Conlon
78b6e7b339 Remove dump logging, it was never overly useful anyway. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-22 19:17:34 +01:00
Adrian.Conlon
1a1d5ea807 Start the process of audio frame generation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-22 09:30:27 +01:00
Adrian.Conlon
a4cdc2bcb5 Correct int/bool cast warning 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-22 09:29:05 +01:00
Adrian.Conlon
531d5d6d6b Refactor the Audio header into declaration/definition files. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 23:43:33 +01:00
Adrian.Conlon
877618f973 Wire audio frame counter (tbc) 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 21:26:52 +01:00
Adrian.Conlon
cd63636895 Move some constants from static methods to enumerations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 20:08:37 +01:00
Adrian.Conlon
7830c29f6a Update audio custom wave pattern data. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-21 10:36:52 +01:00
Adrian.Conlon
acf0c53e1a Move the audio data (hopefully) correctly between the registers and the audio device. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-20 20:53:04 +01:00
Adrian.Conlon
ca0b768ac5 More Noise Register to Audo structure conversions. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-09-20 00:38:35 +01:00
Adrian.Conlon
e06a092b2a First stab at audio initialisation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-19 23:11:50 +01:00
Adrian.Conlon
685a645674 1) Correct frequency hi/lo storage 
2) Calculate resultant frequency in Hz.
3) Add extra logging for audio device register writes.

Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-18 19:17:38 +01:00
Adrian.Conlon
61ae382a98 A different approach to audio handling. Just holding data at the moment. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 22:19:07 +01:00
Adrian.Conlon
462b82add6 Add some new events for sound updates (TBC) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 09:50:20 +01:00
Adrian.Conlon
ea3f154989 Preliminary support for 16 row high sprites. Don't think it's working! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-17 09:46:28 +01:00
Adrian.Conlon
07d44966ac Another stab at keyboard scanning. Better, but not perfect... 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 21:25:08 +01:00
Adrian.Conlon
9190b29b4b Remove some unused memory event handlers. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 18:56:05 +01:00
Adrian.Conlon
26e99f6934 Whoops: broke sprite transparency and flipping! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 18:29:47 +01:00
Adrian.Conlon
f4c8496882 Generalise tile rendering code for background and sprites. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 18:23:02 +01:00
Adrian.Conlon
e40ee1d7a6 X/Y sprite flip implemented. Easy! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 17:48:06 +01:00
Adrian.Conlon
94fe1a7494 Add support for sprite transparencies. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 17:37:57 +01:00
Adrian.Conlon
f6181400c4 First stab at sprites. Lots of bugs! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 17:25:55 +01:00
Adrian.Conlon
2060989ac7 Add keyboard interrupt handling (TBC) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 12:35:16 +01:00
Adrian.Conlon
e1b838355e Add P1 (i.e. keyboard) support. Interestingly, gets Tetris *much* further. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-15 00:53:56 +01:00
Adrian.Conlon
32d1085ecb Start properly implementing IO status register read/write. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-14 23:48:49 +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
c5c842a70b Correct some rom initialisation/loading issues. 2017-09-07 12:23:06 +01:00
Adrian.Conlon
129286f1a7 Ensure LR35902 fuse tests run successfully to completion. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-07 01:15:28 +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
ef3203d943 Tidy raster line execution a little. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-01 13:24:41 +01:00
Adrian.Conlon
e42484d35c Better DIV implementation. Incremented as a word and exposed as the high part in the DIV register. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-09-01 13:17:20 +01:00
Adrian.Conlon
a2784ae02d Timers can (of course) expire during CPU instruction execution. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-31 17:21:44 +01:00
Adrian.Conlon
711d4f4384 Add some GB IO register information in the disassembler. Nothing fancy! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-31 17:18:38 +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
ea033d3984 Move a fair amount of code from the GameBoy implementation into the EightBit library for the LR35902 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-29 22:23:32 +01:00
Adrian.Conlon
9da58a5af7 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-08-29 17:28:24 +01:00
Adrian.Conlon
8033948aef Very small argument tidy. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-29 17:26:41 +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
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
73a34f4fae Start a more careful documentation of the I/O registers. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-26 09:46:53 +01:00
Adrian.Conlon
4cbab14750 Remove unused StatusFlags.h header. Not sure why that was still there! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-25 22:37:10 +01:00
Adrian.Conlon
c6df5ba775 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-08-25 10:33:31 +01:00
Adrian.Conlon
246e6431ab Small correction to GB SP instructions passes a little more of the Blargg tests. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-25 10:33:22 +01:00
Adrian.Conlon
01317796c0 Effective address calculation isn't required for Gameboy MBC1 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-24 23:47:28 +01:00
Adrian.Conlon
ae4106ce5a Preliminary MBC1 support. Enough to run cpu_instrs.gb to completion. Hurrah! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-24 23:23:40 +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
da96454185 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-08-23 23:18:52 +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
a087750d9c Interrupt handling doesn't use the current running cycles. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-21 09:34:17 +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
57e48e389f First stage "halt" reimplementation: allow the clock to run during halt, but nothing else. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-20 19:44:57 +01:00
Adrian.Conlon
42b0fdc23d Implement DIV timer (TBC) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-20 09:52:26 +01:00
Adrian.Conlon
75b17e47a8 Better method of enabling/disabling boot ROM. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-19 17:33:28 +01:00
Adrian.Conlon
86a4e22ae1 First stab at implementing GB timer control. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-18 19:00:10 +01:00
Adrian.Conlon
0457dffba4 Rewrite GB interrupt handling to properly document the trigger sequence. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-18 09:49:06 +01:00
Adrian.Conlon
039545bd08 Rearrange some of the shift/rotate code a little to make it easier to read. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-16 22:51:15 +01:00
Adrian.Conlon
87e97eea8c Fixes rotates and shifts zero flag use (i.e. 09 - op r,r,s now runs successfully) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-15 23:27:46 +01:00
Adrian.Conlon
2bbb021176 Correct case error in LR35902 disassembler 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-14 22:57:46 +01:00
Adrian.Conlon
6506b33436 Add comment noting GB: unique instruction. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-14 18:41:51 +01:00
Adrian.Conlon
fb13d9fdce Correct GB: SWAP r operation. The demoted high nibble was being effectively zeroed each time. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-13 21:34:19 +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
9fcb349e1f Brought the LR35902 a little closer to the Z80 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-08 13:32:51 +01:00
Adrian.Conlon
88d773708c Correct some outstanding LR35902 problems arising. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-08-06 22:04:13 +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
261433bd6e Remove unneeded 16-bit operations. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-27 21:44:24 +01:00
Adrian.Conlon
569e1925ce Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-07-25 21:23:27 +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
99c1e8e2f1 Correct 8-bit signed integer display problem in disassembler. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-22 14:07:26 +01:00
Adrian.Conlon
9a264c7c06 Bring the LR35902 and i8080 increment/decrement implementations in line with the Z80. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-22 10:23:13 +01:00
Adrian.Conlon
0a02c32695 Some things (namely shift.rotate instructions) don't need to be quite so close to the Z80 implementation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-21 19:23:36 +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
7c3fc469a8 Bring LR35902 a little closer to the Z80 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-20 12:37:54 +01:00
Adrian.Conlon
1ee9a010b5 Finally: a working daa 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-20 10:42:18 +01:00
Adrian.Conlon
9c240b7ea8 Correct for CF not being the first bit of the flags register (why!!!!) 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-19 23:16:17 +01:00
Adrian.Conlon
36fbee35fb Bring the various IntelProcessor derived processors a little closer together. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-07-19 13:59:28 +01:00
Adrian.Conlon
758574007d Ensure GB register accesses pass through bus notification code. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-18 21:41:10 +01:00
Adrian.Conlon
974c3353cc Simplify LR35902 memory read/write a little. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-07-18 11:28:06 +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
627d30e896 Merge branch 'master' of https://github.com/MoleskiCoder/EightBit 2017-07-17 21:39:13 +01:00
Adrian.Conlon
2b29c3fe64 Correct a couple of LR35902 issues. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-17 21:38:58 +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
4cd2dc68e1 Correct some (but not all!) project configuration anomalies. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-07-05 19:36:25 +01:00
Adrian.Conlon
67174d74af Correct some memory access issues in LR35902 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-23 21:23:20 +01:00
Adrian.Conlon
af375ab10f Some more shared code. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-22 19:00:53 +01:00
Adrian.Conlon
052df61250 Remove get/getWord and set/setWord from memory class. Just use address and data lines on the memory. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-06-20 14:09:44 +01:00
Adrian.Conlon
c7e65f5447 Consistency changes to the projects. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-06-19 13:53:37 +01:00
Adrian.Conlon
c9bf24d1fa Tidy up register and static method access. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-06-19 13:53:00 +01:00
Adrian.Conlon
23108a8536 Bring performance back to par by: inlining and static flag register access, where possible. 
Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
 2017-06-18 18:14:39 +01:00
Adrian.Conlon
71e6902aeb Simplify and remove a bunch of code. Getting there! 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-15 22:21:26 +01:00
Adrian.Conlon
66d3a5ae29 Couple of small simplifications. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-13 23:43:21 +01:00
Adrian.Conlon
8f3aef1c3e Make LR35902 a little more like the Z80 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-11 23:56:11 +01:00
Adrian.Conlon
eb8a93726d Correct a few small LR35902 issues. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-11 22:07:48 +01:00
Adrian.Conlon
0291970427 Further work on uniting the 8080 family processor family. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-11 21:08:40 +01:00
Adrian.Conlon
627e41bf35 Introduce an IntelProcessor base class to allow known good implementation to be shared. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-11 09:45:34 +01:00
Adrian.Conlon
49d7a4c169 Whoops: missed a couple of flag adjustments. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-09 16:19:35 +01:00
Adrian.Conlon
838580cc3d More changes to bring LR35902 in line with the Z80 implementation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-09 16:01:12 +01:00
Adrian.Conlon
93bac42547 Bring LR35902 a little more in line with the Z80 implementation. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-09 11:42:32 +01:00
Adrian.Conlon
1c8d842bde Tidy header usage a little. 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-09 10:29:28 +01:00
Adrian.Conlon
f3fe475d44 Implement enough changes to build LR35902 2017-06-09 10:23:51 +01:00
Adrian.Conlon
105032f08a Dump of all my C++ emulators, only Intel8080 integrated so far... 
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
 2017-06-04 21:38:34 +01:00