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53 Commits

Author SHA1 Message Date
Adrian Conlon
c7c9963db3 Actually, the refresh register is incremented halfway through M1, as the M1 pin is raised. i.e. just before the refresh phase of the M1 cycle. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-16 22:29:42 +00:00
Adrian Conlon
3c87907471 Choose a different mechanism for ignoring (at the moment) bus test events. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-16 21:00:26 +00:00
Adrian Conlon
ac56257558 Whoops: Z80: missed raising the INT pin, after it been acknowledged. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-16 20:58:52 +00:00
Adrian Conlon
5575fec896 Add Z80 support for the RFRSH pin, triggered by M1 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-16 20:56:08 +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
0398d20ba4 Merge branch 'master' of https://github.com/MoleskiCoder/EightBitNet 2019-11-10 11:18:15 +00:00
Adrian Conlon
a5598942a7 Sync with C++ z80 implementation 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-10 11:17:47 +00:00
Adrian Conlon
1c472fcb17 Make the Z80 disassembler a little more compatible with the C++ version. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-11-02 17:28:09 +00:00
Adrian Conlon
0f2a69509b Sync (as far as possible) with unmanaged C++ emulators. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-10-31 23:01:47 +00:00
Adrian Conlon
8ce71f8ab8 Sync with latest C++ version. Fixes a couple of Z80 issues. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-09-08 16:41:04 +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
364d79fde9 Correct Z80 halt interrupt bug. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-28 23:28:01 +01:00
Adrian Conlon
0dd6f1025f Simplify 8080/Z80 XHTL implementation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-28 23:18:08 +01:00
Adrian Conlon
9ca85428e0 Correct: Fuse error count + expected versus actual register checking. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 17:24:26 +01:00
Adrian Conlon
6c20f49c05 Fuse fixes: Missed one of the indexed indirect memory register updates: Whoops! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 17:23:34 +01:00
Adrian Conlon
f07f184ce9 Fuse fixes: Correct address high part of output port block writes. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 16:21:35 +01:00
Adrian Conlon
8db6c6fde9 Fuse fixes: Don't write garbage after displaced index arithmetic operation. Damn! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 15:50:28 +01:00
Adrian Conlon
e35dabd130 Fuse fixes: Correct bus read/write order of XHTL 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 14:31:23 +01:00
Adrian Conlon
accdf19805 Hmm, now I look more closely at the Fuse event tests: I've got all sorts of obscure failures! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-15 10:38:34 +01:00
Adrian Conlon
d15d1e0d08 Start incorporating "event" support into the Fuse tests. Only supported by the Z80 fuse tests at present. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-14 22:38:47 +01:00
Adrian Conlon
315bef7229 Correct missing high bit in the refresh register (corrects failing fuse test: ed5f) 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-14 08:31:19 +01:00
Adrian Conlon
f432f1be20 Correct AF output in Z80 Fuse test runner. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-14 08:02:57 +01:00
Adrian Conlon
a2b62bb189 Catch some bad arrangements of expected versus actual for the Z80 fuse tests. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-13 22:30:27 +01:00
Adrian Conlon
9550ed57be Add a .net Fuse test suite for the Z80 core (one "unexpected" result). 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-08-13 22:24:04 +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
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
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
3d0e4250a0 Update nuget packages. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-05-06 10:03:11 +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
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
5b9a92c76c Correct a couple of small style issues. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-07 01:21:23 +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
56f46a8236 Speed up Z80 block operations by using values rather than reference objects, if possible. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-03-07 00:28:39 +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
12969dbef6 Use intermediate values for HL2, if possible. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-23 10:38:29 +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
968b1c6545 Correct Z80 disassembler format issue. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 22:51:42 +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
b7fbb80018 Add an extra couple of blank lines to separate the information messages in the test harness. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 01:11:07 +00:00
Adrian Conlon
c0aa7c5ff5 Correct a few small mistakes in the Z80 emulation. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 01:10:17 +00:00
Adrian Conlon
c7feb58815 Correct a Z80 compare mistake: the result of the implied subtraction shouldn't be applied to the flags register! 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 00:02:31 +00:00
Adrian Conlon
900ac02869 Tidy up a stylecop suggestion. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-21 00:01:36 +00:00
Adrian Conlon
42d7095dab Make the Z80 disassembly more compatible with the unmanaged disassembler. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-20 23:52:59 +00:00
Adrian Conlon
53cdc614a2 Mask the Z80 refresh register correctly 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-20 23:51:50 +00:00
Adrian Conlon
f0d5751949 Fix Z80 LDIR 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-20 22:35:22 +00:00
Adrian Conlon
46a12a2b7a Make the Z80 test harness mostly functional. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-20 22:23:58 +00:00
Adrian Conlon
1292163837 Improve the Z80 disassembler: now does mostly good disassemblies. 
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
 2019-02-20 22:23:29 +00:00