 Adrian Conlon
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38a8d2d850
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Try and reduce the number of virtual calls in EightBit library
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2026-09-27 17:43:12 +01:00 |
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Adrian Conlon
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210a913c66
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Fix 6809 tests
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2026-09-18 07:51:36 +01:00 |
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Adrian Conlon
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5a670ba718
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A few miscellaneous changes
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2026-06-21 08:53:16 +01:00 |
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Adrian Conlon
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ef2d1b522a
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Add 6809 sudoku solver as test code
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2026-06-15 21:06:58 +01:00 |
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Adrian Conlon
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7845049ef8
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Configuration debug mode has changed
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2026-06-15 21:03:36 +01:00 |
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Adrian Conlon
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148fb97013
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Flexible profile enable for 6809
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2026-06-15 13:56:00 +01:00 |
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Adrian Conlon
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eab192a787
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Add better reporting to 6809 profiler (percentage of total cycles)
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2026-06-15 12:31:15 +01:00 |
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Adrian Conlon
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b64c997f89
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Modified so I can run my 6809 sudoku solver, similar to 6502 version.
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2026-06-13 15:04:15 +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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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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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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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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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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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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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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Adrian Conlon
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b228332e27
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Tidy up old debugging changes
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2026-05-12 20:23:42 +01:00 |
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Adrian Conlon
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96eaf1b22f
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Update interrupt timing
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2026-05-12 15:23:45 +01:00 |
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Adrian Conlon
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75a07ceea0
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Add a little more documentation
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2026-05-12 11:45:41 +01:00 |
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Adrian Conlon
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d7e3ea0ef3
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Use underscored private member variables
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2026-05-11 23:07:34 +01:00 |
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Adrian Conlon
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fc1ad39a8d
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Add half-carry tests
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2026-05-11 22:27:30 +01:00 |
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Adrian Conlon
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37ed8b4d11
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Increment shouldn't affect the half-carry flag
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2026-05-11 22:20:10 +01:00 |
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Adrian Conlon
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9f62175e06
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Enhance "TST" tests
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2026-05-11 22:04:39 +01:00 |
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Adrian Conlon
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f6ee25c5f9
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Fix "TST" implementation
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2026-05-11 21:59:13 +01:00 |
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Adrian Conlon
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e1470a13fa
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Simplify 6809 boolean flag handling
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2026-05-11 19:18:11 +01:00 |
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Adrian Conlon
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f01762b9de
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Fix a small effective address problem
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2026-05-11 17:30:38 +01:00 |
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Adrian Conlon
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f1c02dd012
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Simplify long/short branch
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2026-05-11 14:59:06 +01:00 |
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Adrian Conlon
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0e48e86edf
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Correct LBSR implementation
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2026-05-11 14:53:22 +01:00 |
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Adrian Conlon
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1dfa94daf2
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Small tidy ups
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2026-05-11 14:37:54 +01:00 |
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Adrian Conlon
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ad97013127
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Isolate effecitive address usage away from "intermediate" usage
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2026-05-11 13:59:46 +01:00 |
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Adrian Conlon
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71d7832e91
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Sort out inherent addressing to be a little more consistent
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2026-05-11 13:10:56 +01:00 |
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Adrian Conlon
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fa61bd4854
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Update documentation links, including some wayback machinem for unavailable
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2026-05-10 09:57:02 +01:00 |
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Adrian Conlon
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5026c27582
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Correct performance issue in "board" by fixing uncontrolled MemoryMapping allocations.
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2026-05-09 18:23:13 +01:00 |
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Adrian Conlon
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da7f362754
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Fix ASR implementation. Unify ANDCC / ORCC cycle waste
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2026-05-09 17:31:05 +01:00 |
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Adrian Conlon
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1c485bca22
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Correct all obvious timing inaccuracies
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2026-05-09 17:15:11 +01:00 |
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Adrian Conlon
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a9f2049c17
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Current cycle checks/updates
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2026-05-09 15:30:01 +01:00 |
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Adrian Conlon
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f093bf1e53
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Work in progress
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2026-05-09 14:11:07 +01:00 |
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Adrian Conlon
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b175086307
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Mild overloading refactor for 6809
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2026-05-07 20:43:30 +01:00 |
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Adrian Conlon
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224fe74e09
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Refactor 6809 processor for readability
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2026-05-07 17:11:42 +01:00 |
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Adrian Conlon
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95b801b72f
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Correct a couple of anomolies in 6809 core
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2026-05-05 21:29:10 +01:00 |
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Adrian Conlon
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d5b92b01c9
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Tidy up everything I can see in 6809 implementation to bring it into line.
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2026-05-05 19:19:13 +01:00 |
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Adrian Conlon
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de12029c13
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Speedup Z80 by encouraging runtime inlining of code
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2026-04-20 18:56:05 +01:00 |
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