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EightBitNet
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70 Commits

Author SHA1 Message Date
Adrian Conlon e0235f396e IDE suggestions 2024-05-19 09:07:20 +01:00
Adrian Conlon 291a212504 Ugrade to .NET 8.0: First pass 2024-05-18 21:57:33 +01:00
Adrian Conlon 47ecdad3e8 Work towards accurate bus/memory/io timings. Especially Z80 m-cycle timing. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-07-05 00:09:51 +01:00
Adrian Conlon cd4af67177 Work my way through a bunch of the analysis suggestions. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-06-22 00:00:15 +01:00
Adrian Conlon db0e8c613f Update all analysis (and other!) nuget packages, ensure builds across all projects. 
Signed-off-by: Adrian Conlon <adrian.conlon@gmail.com>
 2020-06-21 18:35:10 +01:00
Adrian Conlon 2becf0e220 Apply any analysis suggestions. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-12-04 23:23:48 +00:00
Adrian Conlon 73d08fe7a7 Upgrade .net version and analysis packages en mass. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-12-04 01:03:17 +00:00
Adrian Conlon 3a40d0103a Update some framework and analysis versions. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-12-03 23:01:09 +00:00
Adrian Conlon c15ec96862 Make the Z80 implementation M-Cycle accurate. I think! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-30 14:06:38 +00:00
Adrian Conlon 56e1e67850 Better profiling configuration 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-10 12:21:41 +00:00
Adrian Conlon aca81384c3 Correct PC power on value issue. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-09-07 11:16:03 +01:00
Adrian Conlon f01e3e0430 Tighten up the sequence associated with changing pin levels + fix persistent HALT/PC bug 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-09-06 22:50:21 +01:00
Adrian Conlon bc491884b0 Synchronise HALT implementation for Intel style processors with the C++ version. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-29 09:05:31 +01:00
Adrian Conlon c06f556669 Simplify SignExtend a little. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 22:45:56 +01:00
Adrian Conlon 84284d62b5 Fuse fixes: Correct JR cc from unnecessary extra read of offset. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 14:30:12 +01:00
Adrian Conlon 2067d91614 Remove unnecessary "using" statement. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-09 17:12:28 +01:00
Adrian Conlon f54ef07057 Couple of small refactorings, based on repeated bit patterns 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-07 13:27:03 +01:00
Adrian Conlon dedc340bf5 Add a working implementation of FindFirstSet + tests. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-30 23:55:20 +01:00
Adrian Conlon 0ada703504 Remove unnecessary reference dependencies from the .Net EightBit projects. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-28 00:35:20 +01:00
Adrian Conlon 6cb3aa37df Correct ROM loading issue in LR35902, by correcting evaluation order in bus write code. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-28 00:07:00 +01:00
Adrian Conlon 8fba82063a Correcting FindFirstSet implementation corrects LR35902 interrupt issue (on blargg test) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-27 21:45:20 +01:00
Adrian Conlon bacdca6acb Correct LR35902 rom loading issues (to be checked on other cores.) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-24 23:46:06 +01:00
Adrian Conlon 6f79136706 Tidy the Intel Hex file parser a little. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-14 17:35:19 +01:00
Adrian Conlon b4c37ea006 Add a FindFirstSet implementation to the Chip class. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-14 17:34:23 +01:00
Adrian Conlon 853b6e2b08 Correct some straightforward analysis issues. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-07-01 00:15:25 +01:00
Adrian Conlon 21472154e0 Further refactoring of the hex loader class to be a little easier to read. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-29 11:50:27 +01:00
Adrian Conlon 7b5af28f5d Refactor the Intel hex file parser. The new parser is isolated and memory efficient. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-06-29 11:35:08 +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 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 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 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 32731dc706 Add MC6809 disassembler (untested!) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-04-28 20:59:31 +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 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 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 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
Adrian Conlon 4a0d466171 Merge branch 'master' of https://github.com/MoleskiCoder/EightBitNet 2019-03-10 11:34:40 +00:00
Adrian Conlon 00fe5eb0b2 Overloaded MemoryMapping constructor, to make life a little easier... 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-10 11:34:29 +00:00
Adrian Conlon e80963260d Try to avoid copying around Register16 references, if possible. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-07 01:21:00 +00:00
Adrian Conlon 3d2b861b56 Tidy the processor object a little. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-03 10:44:52 +00:00
Adrian Conlon 22cb8b142b Tidy the path to nuget packages, such that they can be used as git submodules. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-03 10:35:18 +00:00
Adrian Conlon 4799e097de Update stylecop (plus add stylecop packages to the Intel 8080 set). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-02 08:59:20 +00:00
Adrian Conlon 03caba99dc Follow most of the guideline suggestions from VS2019 preview. Pretty good suggestions! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-22 22:33:51 +00:00
Adrian Conlon 28b7a88f0f Use the correct virtual methods: BusRead and BusWrite to control bus access for Z80 a la M6502 implementation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-22 19:59:42 +00:00
Adrian Conlon 726c3fe4cc More work on minimising the effect of creating garbage collected objects. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 22:52:46 +00:00
Adrian Conlon 27e1c5c9f8 Make Register16 a class, rather than struct. Tricky, but a bit faster than before. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 19:58:49 +00:00
Adrian Conlon c400f37201 Improve the debugging visibility of the Register16 class. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-20 22:17:54 +00:00