Adrian Conlon
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7cb5e137f4
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Some small simplifications of the 16-bit arithmetic operators.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-11 23:01:48 +01:00 |
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Adrian Conlon
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2d8c3d4b12
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Simplify AF usage. Keeps speed roughly as before
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-11 00:50:46 +01:00 |
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Adrian Conlon
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fbf098ae00
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Simplify memory event handlers and ROM recognition a little (bit of speed difference)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-10 22:00:52 +01:00 |
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Adrian Conlon
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3e854c7c49
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Const some more bus/processor usage, and ensure the data bus is a member, not a reference to memory.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-10 00:40:56 +01:00 |
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Adrian Conlon
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116f9961c4
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Add a higher/lower nibble mask
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-05-25 22:36:10 +01:00 |
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Adrian Conlon
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9de0f597f6
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Remove some "tricksy" code from the Z80 emulator chain.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-04-14 09:39:06 +01:00 |
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Adrian Conlon
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4b4f6b1a49
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Some *small* consistency changes. Perhaps some performance gains.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-04-11 23:53:26 +01:00 |
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Adrian Conlon
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d818095815
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MEMPTR is really only a concept of Intel style processors.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-03-18 22:40:23 +00:00 |
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Adrian Conlon
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97a121b8d4
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Unneeded UNREACHABLEs can cause gcc to produce problematic code. TBC
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-03-17 23:34:27 +00:00 |
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Adrian Conlon
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dac58b121a
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More small tidyups in the core emulator set.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-03-12 01:22:28 +00:00 |
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Adrian Conlon
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bebc68539b
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Correct sneaky reference passing in heavily used method. (~205Mhz emulated speed)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-03-10 10:53:11 +00:00 |
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Adrian Conlon
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45dc274167
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Get rid of wrappers for bus access: i.e. make it clearer where the bus is being read/written.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-03-10 01:53:57 +00:00 |
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Adrian Conlon
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c6eb68ba13
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Further return by value, rather than reference.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-02-26 19:47:35 +00:00 |
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Adrian Conlon
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adf506a41e
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Optimisation: Prefer return by value to return by reference. ~10% speed-up!
Just watch a video by Chandler Carruth from 2015, where he talked about C++ optimisers...
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-02-25 19:48:01 +00:00 |
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Adrian Conlon
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d34b161255
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Simplify some build options.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-02-19 23:18:21 +00:00 |
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Adrian Conlon
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29edc46966
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Simplify some MEMPTR usage in Intel processors.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-01-10 23:08:14 +00:00 |
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Adrian Conlon
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3bd01e211e
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Try to avoid so many virtual calls in the Z80 by hanging onto AF a little longer.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-01-09 23:30:51 +00:00 |
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Adrian Conlon
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1edabd79f3
|
More pinout oriented method of executing instructions (especially interrupts)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-10 21:41:48 +00:00 |
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Adrian Conlon
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3d88a8f6d1
|
Couple of small changes in LIKELY/UNLIKELY usage.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-05 21:40:23 +00:00 |
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Adrian Conlon
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6a47f710b9
|
More consistency updates between i8080 and Z80.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-04 23:41:49 +00:00 |
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Adrian Conlon
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f1b3fc1932
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Correct at least some of the problems with the Z80 interrupt rewrite
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-04 21:59:38 +00:00 |
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Adrian Conlon
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23f7a88480
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Further 8080/Z80 interrupt rewrite
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-03 00:57:47 +00:00 |
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Adrian Conlon
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55b989fe13
|
More likely/unlikely macro usages.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-02 14:53:35 +00:00 |
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Adrian Conlon
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9cbf76daf2
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Correct a couple of LIKELY/UNLIKELY usages.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-12-02 10:34:37 +00:00 |
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Adrian Conlon
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dc58969614
|
Whoops: missed Z80 test Makefile.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-30 15:02:58 +00:00 |
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Adrian Conlon
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033969bbe3
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Add profile guided optimisation to build configuration (profile/profiled)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-30 14:59:24 +00:00 |
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Adrian Conlon
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a0f7d584b6
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Correct a few warnings reported by "clang"
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-30 14:37:18 +00:00 |
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Adrian Conlon
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11062607e6
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Start sharing parts of the linux build system.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-26 22:10:17 +00:00 |
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Adrian Conlon
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c513f0cab1
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GSL was too problematic when used with GCC. Removed.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-20 19:17:49 +00:00 |
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Adrian Conlon
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67c27d4a3e
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GSL + CPP core guidelines changes.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-18 14:29:30 +00:00 |
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Adrian Conlon
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dea1847280
|
Unify more VS2017 build configurations
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-12 10:38:05 +00:00 |
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Adrian Conlon
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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 |
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Adrian Conlon
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b3114ed520
|
Correct some possible one definition rule issues.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-05 14:48:15 +00:00 |
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Adrian Conlon
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7a0ebb9198
|
Port to VS2015
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-05 14:47:38 +00:00 |
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Adrian Conlon
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c292fb552e
|
A whole bunch of consistency changes. No functional changes.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-11-03 22:05:01 +00:00 |
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Adrian Conlon
|
ff2f44bbd2
|
... and some more linux compatibility changes.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2017-10-29 20:15:49 +00:00 |
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Adrian Conlon
|
a134d935db
|
More linux compatibility
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-29 19:53:15 +00:00 |
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Adrian Conlon
|
e43801ae4b
|
More linux compatibility updates.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-29 19:48:47 +00:00 |
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Adrian Conlon
|
899b84baa2
|
Linux compatibility.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-29 18:47:23 +00:00 |
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Adrian Conlon
|
b232e6992c
|
Get the Z80 test suite up and running again.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
|
2017-10-28 13:06:10 +01:00 |
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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 |
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Adrian.Conlon
|
cae34d61d1
|
Ensure the Z80 unit tests run successfully to completion.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-09-07 01:04:09 +01:00 |
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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 |
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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 |
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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 |
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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 |
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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 |
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Adrian.Conlon
|
19c0b93262
|
Changes to the "const"ness of peek necessitate some changes.
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-24 11:06:23 +01:00 |
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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 |
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Adrian.Conlon
|
787d9dd799
|
Missed an easy "assume" entry
Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
|
2017-08-08 13:38:27 +01:00 |
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