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Author SHA1 Message Date
Thomas Harte
a318a49c72 Merge branch '68000Mk2' into InMacintosh 2022-05-28 15:01:58 -04:00
Thomas Harte
35e73b77f4 Fix interrupt stack frame. 2022-05-27 21:55:17 -04:00
Thomas Harte
698d1a7111 Fix interrupt stack frame. 2022-05-27 21:54:23 -04:00
Thomas Harte
1365fca161 Avoid phoney write modifies. 2022-05-27 21:42:55 -04:00
Thomas Harte
d17d77714f Remove outdated TODO. 2022-05-27 15:40:06 -04:00
Thomas Harte
e8dd8215ba Tweak per empirical results. 2022-05-27 15:39:02 -04:00
Thomas Harte
e11990e453 Make an attempt at DIVS timing. 2022-05-27 15:38:54 -04:00
Thomas Harte
165ebe8ae3 Add time calculation for MULU and MULS. 2022-05-27 15:38:14 -04:00
Thomas Harte
e746637bee Fill in dynamic cost of shifts. 2022-05-27 15:38:08 -04:00
Thomas Harte
0e6370d467 Tweak per empirical results. 2022-05-27 15:37:40 -04:00
Thomas Harte
512cd333e5 Make an attempt at DIVS timing. 2022-05-27 14:56:04 -04:00
Thomas Harte
f599a78cad Add time calculation for MULU and MULS. 2022-05-27 14:41:42 -04:00
Thomas Harte
7601dab464 Fill in timing calculation for DIVU. 2022-05-27 14:30:03 -04:00
Thomas Harte
a8623eab4a Fill in dynamic cost of shifts. 2022-05-27 11:12:10 -04:00
Thomas Harte
c367ddff1b Merge branch '68000Mk2' into InMacintosh 2022-05-27 10:34:11 -04:00
Thomas Harte
67b340fa5e Fix interrupt request address. 2022-05-27 10:33:36 -04:00
Thomas Harte
c97245e626 Fix CalcEA timing; make MOVEfromSR a read-modify-write. 2022-05-27 10:32:28 -04:00
Thomas Harte
79e2c17f93 Fix interrupt request address. 2022-05-26 20:20:28 -04:00
Thomas Harte
5937737bb7 Merge branch '68000Mk2' into InMacintosh 2022-05-26 19:37:44 -04:00
Thomas Harte
5f030edea4 Simplify transaction. 2022-05-26 19:37:30 -04:00
Thomas Harte
88e33353a1 Fix instruction and time counting, and initial state. 2022-05-26 09:17:37 -04:00
Thomas Harte
f3c0c62c79 Switch register-setting interface. 2022-05-26 07:52:14 -04:00
Thomas Harte
866787c5d3 Make an effort to withdraw from the high-circuitous stuff of working around the reset sequence. 2022-05-25 20:22:38 -04:00
Thomas Harte
367ad8079a Add a call to set register state with population of the prefetch. 2022-05-25 20:22:05 -04:00
Thomas Harte
64491525b4 Work further to guess at caller's intention for set_state. 
Probably I should just eliminate the initial reset, somehow.
 2022-05-25 17:01:18 -04:00
Thomas Harte
68b184885f Reapply only the status. 2022-05-25 16:54:25 -04:00
Thomas Harte
06f3c716f5 Make better effort to establish initial state. 2022-05-25 16:47:41 -04:00
Thomas Harte
22714b8c7f Capture state at instruction end, for potential inspection. 2022-05-25 16:32:26 -04:00
Thomas Harte
80c1bedffb Eliminate false prefetch for BSR. 2022-05-25 16:32:02 -04:00
Thomas Harte
56ad6d24ee Fix ANDI/ORI/EORI to CCR/SR timing. 2022-05-25 16:20:26 -04:00
Thomas Harte
4ad0e04c23 Fix macro for n being an expression. 2022-05-25 16:05:45 -04:00
Thomas Harte
f9d1c554b7 Fix for the actual number of cycles in a standard reset. 2022-05-25 16:05:28 -04:00
Thomas Harte
ee58301a46 Add RaiseException macro. 2022-05-25 15:45:09 -04:00
Thomas Harte
f2a7660390 Merge branch 'master' into 68000Mk2 2022-05-25 15:40:10 -04:00
Thomas Harte
d4c7ce2d6f
Merge pull request #1035 from TomHarte/68000TestIssues 
Add details on gaps in coverage.
 2022-05-25 15:39:42 -04:00
Thomas Harte
4961e39fb6 Mention DIVU/DIVS flags. 2022-05-25 15:39:00 -04:00
Thomas Harte
0bedf608c0 Add details on gaps in coverage. 2022-05-25 15:36:27 -04:00
Thomas Harte
1ab831f571 Add the option to log a list of all untested instructions. 2022-05-25 13:17:01 -04:00
Thomas Harte
b90f1a48ce Merge branch '68000Mk2' into InMacintosh 2022-05-25 13:02:44 -04:00
Thomas Harte
72425fc2e1 Fix bus data size of MOVE.b xx, -(An). 2022-05-25 13:00:36 -04:00
Thomas Harte
a5f2dfbc0c Initialise registers to 0 for better testability. 
TODO: is this the real initial state?
 2022-05-25 11:47:42 -04:00
Thomas Harte
5db6a937cb Have TRAP and TRAPV push the next instruction address to the stack. 2022-05-25 11:47:21 -04:00
Thomas Harte
9709b9b1b1 Standard exceptions don't raise the interrupt level. 2022-05-25 11:37:39 -04:00
Thomas Harte
2c6b9b4c9d Switch comparative trace tests to 68000 Mk2. 2022-05-25 11:32:00 -04:00
Thomas Harte
463fbb07f9 Adapt remaining 68000 tests to use Mk2. 2022-05-25 10:55:17 -04:00
Thomas Harte
b6e473a515 Adapt remaining 68000 tests to use Mk2. 2022-05-25 10:55:03 -04:00
Thomas Harte
24f7b5806c Merge branch '68000Mk2' into InMacintosh 2022-05-25 08:15:41 -04:00
Thomas Harte
5872e0ea4a Resolve MOVE.l xx, -(An) write target. 2022-05-25 08:15:18 -04:00
Thomas Harte
04d2d6012a Merge branch '68000Mk2' into InMacintosh 2022-05-24 16:08:56 -04:00
Thomas Harte
f43d27541b Avoid attempt to establish operand flags for undefined opcodes. 2022-05-24 15:53:12 -04:00