 Adrian Conlon
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d67c03b18f
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Open up some of the Z80 flag manipulation. Who knows? It be handy in ZX Spectrum tape loading implementation?
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2026-06-12 21:52:46 +01:00 |
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Adrian Conlon
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41b4ba6d09
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Regionalise some flag manipulation in 6809
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2026-06-12 21:51:10 +01:00 |
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Adrian Conlon
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33d15e5e07
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Unimplemented == fail
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2026-06-11 22:34:02 +01:00 |
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Adrian Conlon
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b9b1b96c42
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Cycles count needs to be correct per clock tick
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2026-06-10 20:12:24 +01:00 |
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Adrian Conlon
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39561437e9
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More performance improvements
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2026-06-10 17:26:26 +01:00 |
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Adrian Conlon
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552de802fe
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Performance changes (mainly for Z80)
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2026-06-10 15:23:19 +01:00 |
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Adrian Conlon
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9c7fa295b2
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More unused methods removed from 6809 implementation
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2026-06-08 23:10:54 +01:00 |
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Adrian Conlon
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323dff84a4
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Tidy 6809 implementation. I don't think there's enough information available for me to implement a 6309
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2026-06-08 22:07:20 +01:00 |
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Adrian Conlon
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ff31ac05de
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Remove some analysis warnings from 6809 implementation
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2026-06-05 20:13:02 +01:00 |
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Adrian Conlon
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7d99e8162f
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Small usage simplification with bus mapper
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2026-06-01 11:10:31 +01:00 |
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Adrian Conlon
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2ecc139d63
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Couple of anomalies while working on C++ code
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2026-05-31 11:18:36 +01:00 |
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Adrian Conlon
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2d145ec023
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No need for bus read/write events with cycle accurate cpu read/write events
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2026-05-29 10:17:40 +01:00 |
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Adrian Conlon
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ee9917bb7f
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Remove unneeded comment
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2026-05-28 21:14:24 +01:00 |
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Adrian Conlon
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7c2c7a1973
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Closer to C++ clocked chip implementation
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2026-05-28 18:19:34 +01:00 |
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Adrian Conlon
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110c68a54e
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Some small consistency changes. Interesting!
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2026-05-28 18:01:33 +01:00 |
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Adrian Conlon
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c191639a24
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Simplify some exception throwing logic
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2026-05-26 21:00:47 +01:00 |
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Adrian Conlon
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959030f404
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Small consistency change in WDC65c02
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2026-05-25 13:15:58 +01:00 |
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Adrian Conlon
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56f9fecb5f
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Simplify ARR a little
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2026-05-25 13:15:30 +01:00 |
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Adrian Conlon
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c8e69424db
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8080 tests speedup
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2026-05-25 13:14:20 +01:00 |
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Adrian Conlon
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04f798fba9
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Bus readonly write tests/changes
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2026-05-25 13:13:52 +01:00 |
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Adrian Conlon
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932bcfd54e
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Some small consistency tidyups.
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2026-05-24 22:48:34 +01:00 |
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Adrian Conlon
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ec59b422b9
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Simplify PC increment/decrement a little
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2026-05-21 16:35:20 +01:00 |
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Adrian Conlon
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37fc258d47
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Some simplifications
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2026-05-21 11:57:52 +01:00 |
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Adrian Conlon
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291266e4fc
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Assert that which needs to be checked, but not thrown
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2026-05-21 10:00:57 +01:00 |
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Adrian Conlon
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2999db5c5a
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Simplify interrupt implementations
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2026-05-20 21:31:42 +01:00 |
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Adrian Conlon
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8041c04883
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Fix ARR: hurrah 2A03 fixed as well
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2026-05-20 20:56:40 +01:00 |
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Adrian Conlon
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9d8f2ceb81
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Add a Ricoh2A03 implmentation + tests. one test failing...
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2026-05-20 20:45:25 +01:00 |
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Adrian Conlon
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d5f2137f54
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Cover WDC65C02 tests as well
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2026-05-20 14:15:10 +01:00 |
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Adrian Conlon
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5c2095b872
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Gameboy single step tests converted to unit tests
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2026-05-19 20:23:38 +01:00 |
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Adrian Conlon
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d8181f5101
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6502 single step tests converted to unit tests
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2026-05-19 20:15:10 +01:00 |
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Adrian Conlon
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7beef7569b
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Move Z80 single step tests to be proper unit tests
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2026-05-19 19:37:52 +01:00 |
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Adrian Conlon
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67d96d82c9
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Simplify some calls
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2026-05-19 15:04:09 +01:00 |
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Adrian Conlon
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608fbb55fb
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Couple of small tidy ups
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2026-05-18 20:46:42 +01:00 |
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Adrian Conlon
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98169fd6b8
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Fix Z80 halt implementation
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2026-05-18 20:06:57 +01:00 |
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Adrian Conlon
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dfd4d1928f
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Make "Pop" more like "Read". i.e. don't return a result, just use the value placed on the "bus"
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2026-05-18 18:24:32 +01:00 |
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Adrian Conlon
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741feb4342
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Performance change: avoid dropping Bus.Data return values
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2026-05-18 17:28:41 +01:00 |
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Adrian Conlon
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bc39c230d1
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Add an extra Z80 interrupt test
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2026-05-17 21:31:01 +01:00 |
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Adrian Conlon
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e9603b0e08
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Add Z80 interrupt and pin tests
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2026-05-17 20:48:22 +01:00 |
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Adrian Conlon
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1876a0d1f0
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Fix IM2 again!
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2026-05-17 19:24:55 +01:00 |
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Adrian Conlon
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b8e95f52b3
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Inline clock ticking mechanism
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2026-05-17 10:27:34 +01:00 |
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Adrian Conlon
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072a8dd984
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Blargg tests run again. Corrected speed issue of MemoryMappings being created too often and bus data being trashed by a write to ROM.
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2026-05-17 09:50:12 +01:00 |
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Adrian Conlon
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9a011b3c57
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Start implementing HD6309. Introduction of 32-bit operations has forced me to rename some of "Word" methods to better indicate size
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2026-05-16 21:10:23 +01:00 |
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Adrian Conlon
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ab835297fd
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Couple of small tidy ups
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2026-05-16 13:50:14 +01:00 |
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Adrian Conlon
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e0fffdaa5e
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Some performance improvements. About 50Mhz for Z80 emulator. 275Mhz to 325Mhz. Interesting.
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2026-05-16 11:09:03 +01:00 |
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Adrian Conlon
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b5f646c641
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Better arrangement of decimal SBC/ADC implementations
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2026-05-15 22:50:11 +01:00 |
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Adrian Conlon
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6d4d2f22e2
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Needs tidying a little by full cycle accuracy for 6502 / 65c02
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2026-05-15 22:02:03 +01:00 |
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Adrian Conlon
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8f59e79959
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Add explicit NOPs to the MOS 6502 implementation
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2026-05-14 15:17:41 +01:00 |
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Adrian Conlon
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ac200d7f76
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Simplify ignored return value handling
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2026-05-12 22:21:13 +01:00 |
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Adrian Conlon
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a98b904207
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Whoops: missed one more test
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2026-05-12 22:19:11 +01:00 |
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Adrian Conlon
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f1fb442f08
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Add 6809 Schwotzer tests
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2026-05-12 22:18:51 +01:00 |
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