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EightBitNet
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210 Commits

Author SHA1 Message Date
Adrian Conlon 1eb5caed3c Add MUL tests to the MC6809 core. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-09 17:11:49 +01:00
Adrian Conlon c11143f22d Add more indexed addressing mode tests to the MC6809 core. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-09 10:37:46 +01:00
Adrian Conlon ef148528b1 Correct a couple of (probably benign) mistakes in the MC6809 core 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-09 10:36:41 +01:00
Adrian Conlon 75f5d17e72 Correct some disassembler addressing mode mistakes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-08 23:32:45 +01:00
Adrian Conlon 310415512f Add EOR and SEX unit tests 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-08 23:31:55 +01:00
Adrian Conlon 95b6657576 Remove extra step instruction in BleTests 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-08 23:31:03 +01:00
Adrian Conlon ddc1adc90e A bunch more MC6809 tests added. *Still* not found the issue with floating point numbers! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-03 00:55:01 +01:00
Adrian Conlon 8b3c0801ce Add tests for EXG, TFR and NEG. Also added some undocumented behaviour to EXG and TFR. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-02 19:04:27 +01:00
Adrian Conlon fa16dd1486 Merge branch 'master' of https://github.com/MoleskiCoder/EightBitNet 2019-05-27 10:53:55 +01:00
Adrian Conlon 133fc83e89 Tidy the MC6850 a little, mainly to show that the step method is only called via the clock tick. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-27 10:53:44 +01:00
Adrian Conlon ebe196d8ed
Update README.md 2019-05-26 11:07:53 +01:00
Adrian Conlon a78e6cb23c Poke methods shouldn't be returning values. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-15 22:48:34 +01:00
Adrian Conlon c4d52512b2 Add MC6809 profiler (mainly so I can pin down problem printing numbers) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-07 00:46:30 +01:00
Adrian Conlon d21afdc1c7 Correct a couple of issues in the disassembler: All disassembler pause, correct PshX PulX decode. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-06 22:26:38 +01:00
Adrian Conlon 72932cf462 Correct a few more style/correctness issues. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-06 11:02:20 +01:00
Adrian Conlon 3d0e4250a0 Update nuget packages. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-06 10:03:11 +01:00
Adrian Conlon efbd576624 Resurrect the concept of pin level matching. Allows for easier device wiring. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-06 09:58:50 +01:00
Adrian Conlon 0340142282 Correct a number of style issues across the EightBitNet solution. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-06 09:46:23 +01:00
Adrian Conlon a8849ccf43 MC6809: Change the test board wiring a little to allow the MC6850 to work correctly! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 13:34:31 +01:00
Adrian Conlon 0c69c5d8bb Whoops: missed additional MC6809 unit tests. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 10:14:29 +01:00
Adrian Conlon 3914a75102 MC6809: Caught out by references versus values again. Fixes JSR/RTS stack operations. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-05 10:14:03 +01:00
Adrian Conlon 34d10352b9 MC6809: Correct transfer and exchange instruction 8/16 bit specification error 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 17:35:58 +01:00
Adrian Conlon 430ecd8a7a MC6809: Correct a branching problem due to the use of reference PC object. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 17:17:54 +01:00
Adrian Conlon f8757b3014 MC6809: Correct a couple of disassembler byte dumps. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 17:16:56 +01:00
Adrian Conlon 93122aaf1d MC6850: Tie chip stepping to external clock. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 15:21:40 +01:00
Adrian Conlon 662c457dd5 Make the MC6809 disassembler hex output lower case, for compatibility with unmanaged code. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 15:20:52 +01:00
Adrian Conlon 99a4cfaa88 Correct small warning in the EightBit library. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 15:19:55 +01:00
Adrian Conlon 48c2ffa99f Correct the MC6809 test code to properly initialise the MC6850 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 15:19:18 +01:00
Adrian Conlon d2893e73ac MC6809: Fix flag updates during interrupt conditions 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 12:45:53 +01:00
Adrian Conlon fc9263fb3a M6502: Avoid allocating "Tuples" when processing crossed page boundary conditions. (~20% speedup) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-04 12:44:53 +01:00
Adrian Conlon 87be068e5a Whoops: The configuration debug flag must be able to be modified. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-01 22:50:06 +01:00
Adrian Conlon 956a4a1504 Whoops: Disassembler output condition was *exactly* reversed. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-01 22:49:28 +01:00
Adrian Conlon a81b5173d8 Whoops: correct state output problem when Register16 objects are used. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-01 22:48:47 +01:00
Adrian Conlon 81cfadfe32 Correct byte array load issue: Ensure maximum number of bytes to read is set correctly. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-01 22:47:40 +01:00
Adrian Conlon 835703080d Correct Intel hex file loader issue: Incorrect use of "List<>" 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-01 22:46:37 +01:00
Adrian Conlon 23ba6d457e Add emulation of Grant Searle MC6809 SBC as a test container (untested!) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-04-28 21:00:30 +01:00
Adrian Conlon 32731dc706 Add MC6809 disassembler (untested!) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-04-28 20:59:31 +01:00
Adrian Conlon ea93418289 Correct small bug in 16-bit register exchange. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-24 16:17:19 +01:00
Adrian Conlon bc06975796 Tidy up some enumeration names in MC6850 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-24 16:16:47 +01:00
Adrian Conlon 15551adb68 Correct a bunch of MC6809/MC6850 style issues. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-04-24 00:57:53 +01:00
Adrian Conlon 1d976e811d Introduce a little consistency with regards to pin naming and usage. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-23 00:58:33 +01:00
Adrian Conlon 77a3171037 Add an MC6850 ACIA implementation (not tested, direct port of the C++ code) 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-23 00:47:27 +01:00
Adrian Conlon 6e781ced44 Some minor MC6809 tidying up 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-21 19:54:26 +01:00
Adrian Conlon 2a4a067fe4 Add an (untested) implementation of an Intel hex file parser to the EightBit project. Ported directly from the C++ implementation. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-21 16:53:55 +01:00
Adrian Conlon 0d73b588c3 Whoops: Forgot to commit the addition of the MC6809 unit test project to the EightBitNet solution. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-21 16:52:48 +01:00
Adrian Conlon 53a203b4a1 Correct a layout issue in the MC6809 implementation. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-21 16:51:53 +01:00
Adrian Conlon 4977df7330 Correct a couple of missed "readonly" specifications in the MC6809 unit tests. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-21 16:51:08 +01:00
Adrian Conlon 0ab5da10ef add unit tests (not complete) for 6809 processor. Fix matters arising. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-21 04:47:36 +01:00
Adrian Conlon 294c71c228 Get the MC6809 processor compiling. Still untested. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-10 23:15:26 +01:00
Adrian Conlon 6b33d2b5a5 Add a initial port of the MC6809 processor to the .Net collection 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2019-04-10 19:51:39 +01:00