Adrian Conlon
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f38d326ca7
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Improve the flexibility of the BUS mapping/read/write architecture.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-12-29 19:17:36 +00:00 |
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Adrian Conlon
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d6ebf00ccc
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Merge branch 'master' of https://github.com/MoleskiCoder/EightBit
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2018-12-01 16:46:06 +00:00 |
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Adrian Conlon
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679275e930
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Correct Linux build errors.
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
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2018-12-01 16:41:39 +00:00 |
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Adrian Conlon
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dc477cd050
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Use explicit enumeration types (improves type safety) where appropriate.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-12-01 15:24:29 +00:00 |
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Adrian Conlon
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cf0828c595
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Tidy the Z80 BIT implementation for better code resuse. No functional change
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-12-01 13:01:33 +00:00 |
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Adrian Conlon
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e80a5bfcd4
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Whoops: the bit instruction *can* have its return value discarded...
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-29 00:14:44 +00:00 |
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Adrian Conlon
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9960ad6012
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Tidy return parameter usage a little within the EightBit library.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-29 00:09:40 +00:00 |
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Adrian Conlon
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deb9a6d43c
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Correct more analysis problems. No functional changes.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-28 21:27:14 +00:00 |
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Adrian Conlon
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a940a29283
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Unify build settings across all the EightBit libraries.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-28 21:24:51 +00:00 |
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Adrian Conlon
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a673a64c3f
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Lots of various changes suggested by the code analysis tools.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-27 22:36:54 +00:00 |
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Adrian Conlon
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555423d10a
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Tidy the Z80 test classes, based on code analysis.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-27 22:28:09 +00:00 |
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Adrian Conlon
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e156b1ff1a
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Correct some more compilation warnings (across the whole EightBit project).
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-25 19:02:11 +00:00 |
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Adrian Conlon
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85bc2aab12
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Reverse "UNLIKELY" conditions that also contain an else. Helps compilers that have no LIKELY/UNLIKELY macros.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-25 10:38:30 +00:00 |
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Adrian Conlon
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5ff883305e
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Modernise the signal handling and construction sequence of the Z80 test board.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-24 10:56:00 +00:00 |
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Adrian Conlon
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fdbb28828f
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Apply the concept of powered components to the "board"
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-11 16:48:44 +00:00 |
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Adrian Conlon
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e688411cb9
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Refactor memory related code a little to make the hierarchy of classes a little easier to understand.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-04 16:38:57 +00:00 |
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Adrian Conlon
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8ef5d97366
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Update boost from 1.65 -> 1.68
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-04 12:58:01 +00:00 |
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Adrian Conlon
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68a785ceec
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Add an address masking to the memory mapping structure.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-11-01 23:43:29 +00:00 |
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Adrian Conlon
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b1af0710ba
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Tidy the Z80 instruction scheduler a little
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-10-28 19:29:14 +00:00 |
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Adrian Conlon
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fc7b6e49ca
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Slightly nicer refactoring of the MEMPTR post increment saga
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-10-28 13:33:36 +00:00 |
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Adrian Conlon
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b3faae34ae
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Correct a couple of problematic changes picked up by fuse test
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-10-28 09:42:04 +00:00 |
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Adrian Conlon
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fac2da9ac4
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Start refactoring CPU cores to use C++17/14 features. (This commit covers the 6502 and Z80)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-10-27 18:41:55 +01:00 |
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Adrian Conlon
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8dbb3eafec
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Switch to C++17 standard in all EightBit projects.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-10-27 14:28:14 +01:00 |
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Adrian Conlon
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1b2ddd8843
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Don't expose the bus via the CPU any more: if a component needs the bus, it should be prepared to hold a reference to it.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-10-20 20:52:41 +01:00 |
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Adrian Conlon
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8d3551e681
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Refactor bit set/get routines from processor class to lower level chip class.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-09-29 14:08:44 +01:00 |
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Adrian Conlon
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7adefd380a
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Sort a bunch of missing argument const specifications.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-09-21 00:16:00 +01:00 |
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Adrian Conlon
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fe3794e011
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Simplify register16_t usage a little.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-09-16 12:00:29 +01:00 |
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Adrian Conlon
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7d840f1a42
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Modifying the manner in which memory is mapped, allows a fairly clean mechanism for loading Intel "hex" files.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-09-15 14:35:59 +01:00 |
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Adrian Conlon
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97272d650d
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Simplify processor bus access a little by further allowing register16_t address access.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-29 13:52:25 +01:00 |
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Adrian Conlon
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a8cc289149
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Whoops: The "Bus" class *really* isn't allowed to know the "endianness" of the attached processor!
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-27 11:27:33 +01:00 |
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Adrian Conlon
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3a4235f651
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Whoops: The NMI line needs to be powered on by individual processors now it's no longer part of the Processor base class.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-25 22:50:18 +01:00 |
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Adrian Conlon
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1212e8d4f0
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Tidy some processor virtual specifications.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-25 13:35:53 +01:00 |
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Adrian Conlon
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c105ee37bf
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Have a stab at sorting out processor pin handling.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-25 12:09:26 +01:00 |
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Adrian Conlon
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6d4223c368
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Start moving towards reset being just another style of interrupt.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-25 01:34:30 +01:00 |
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Adrian Conlon
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677b9a608e
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Default a couple of project configuration options.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-17 14:02:00 +01:00 |
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Adrian Conlon
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ed76038bfa
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More memptr adjustments
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-17 13:59:59 +01:00 |
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Adrian Conlon
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256e25e344
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Tidy up the test suite usage between the 8080 and Z80 processors.
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2018-08-12 16:30:32 +01:00 |
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Adrian Conlon
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228301573e
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Refactor Z80 block in/out routines.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-12 16:25:30 +01:00 |
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Adrian Conlon
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70c70af969
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Sort out some exception and member initialisation rules.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-08-11 21:19:19 +01:00 |
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Adrian Conlon
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e40240694f
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More removal of duplicated code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-24 22:33:02 +01:00 |
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Adrian Conlon
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cac871cf2b
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Remove duplicated code (from const definitions) the performance benefit isn't worth the amount of duplicated code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-24 20:58:20 +01:00 |
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Adrian Conlon
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757d8f3c32
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Reduce code density a little.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-16 10:09:28 +01:00 |
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Adrian Conlon
|
7d25962f3c
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Remove commented block.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-16 09:56:16 +01:00 |
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Adrian Conlon
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67487b5b6e
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Simplify the usage of the register16_t union.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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2018-06-16 00:55:32 +01:00 |
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Adrian Conlon
|
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
|
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
|
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>
|
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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