Thomas Harte
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82797fd395
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Attempts to do the proper thing for interrupts.
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2020-10-11 21:10:44 -04:00 |
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Thomas Harte
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a0885ab7d0
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Implements STP and WAI.
Albeit still without fully-implemented reactions to exceptions in general.
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2020-10-11 17:56:55 -04:00 |
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Thomas Harte
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8eaf1303a3
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Attempts proactively to ensure proper RTI behaviour on the 65816.
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2020-10-11 15:25:13 -04:00 |
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Thomas Harte
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20cbe72985
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Ties to 8- or 16-bit those instructions that aren't M/X-dependent.
This is technically redundant for PEI, PEA and PER since they have dedicated bus programs anyway, but it's good to be explicit.
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2020-10-11 14:38:35 -04:00 |
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Thomas Harte
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071ad6b767
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I don't think RTL is needed; JML looks like it covers it.
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2020-10-10 22:16:35 -04:00 |
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Thomas Harte
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0619e49eac
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Takes a short at TSB and TRB.
Three to go.
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2020-10-10 22:00:17 -04:00 |
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Thomas Harte
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b8848d8580
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Implements TCD, TDC, TCS, TSC.
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2020-10-10 21:43:05 -04:00 |
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Thomas Harte
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aface1f8be
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Implements XBA and XCE.
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2020-10-10 21:34:22 -04:00 |
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Thomas Harte
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ae87728770
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Ensures M and X are exposed to the public interface.
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2020-10-10 21:33:56 -04:00 |
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Thomas Harte
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28c8ba70c1
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Implements REP and SEP and exposes the MX flags generally.
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2020-10-10 21:23:59 -04:00 |
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Thomas Harte
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486324ecab
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This test isn't actually 65816-compatible.
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2020-10-10 18:19:48 -04:00 |
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Thomas Harte
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6892ac13e8
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Corrects BIT. All 65816-applicable Wolfgang Lorenz tests now pass.
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2020-10-10 17:47:33 -04:00 |
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Thomas Harte
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340ad093a6
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Adds 65816 runs of the final tranche of applicable tests.
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2020-10-10 17:26:41 -04:00 |
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Thomas Harte
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0fe09cd1e4
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Knocks SBC into producing likely results; disables Lorenz testing.
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2020-10-10 17:13:16 -04:00 |
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Thomas Harte
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da4702851f
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Fixes ADC.
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2020-10-10 16:29:48 -04:00 |
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Thomas Harte
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09fba72d58
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Adds flag manipulation, ADC and SBC 65816 tests.
The latter two fail.
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2020-10-10 11:30:15 -04:00 |
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Thomas Harte
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d17c90edf7
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Corrects ROL d, x.
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2020-10-10 11:25:14 -04:00 |
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Thomas Harte
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7966592fae
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Corrects ROL d.
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2020-10-10 11:22:23 -04:00 |
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Thomas Harte
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6efe4e1753
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Fixes AND, EOR, ORA. Takes an unsuccessful shot at ROL.
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2020-10-10 10:53:17 -04:00 |
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Thomas Harte
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536c4d45c1
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Adds additional 65816 tests, some failing; seeks to improve carry behaviour in ASL and ROL.
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2020-10-10 10:11:57 -04:00 |
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Thomas Harte
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a02f88fe7c
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Confirms a couple more of the easy sets.
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2020-10-10 09:34:29 -04:00 |
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Thomas Harte
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d9be6ab806
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Confirms that a few other simple tests work immediately on the 65816.
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2020-10-09 23:26:35 -04:00 |
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Thomas Harte
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290598429a
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Applies indirect page zero emulation mode addressing constraint to ix addressing.
Lorenz's LDA tests now pass in emulation mode.
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2020-10-09 23:22:48 -04:00 |
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Thomas Harte
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92e72959c3
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Makes corrections to ix addressing mode and shift/roll flags.
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2020-10-09 23:12:20 -04:00 |
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Thomas Harte
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776f014dbe
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Attempts LDA tests against the 65816.
Result: ix is faulty. Which we already knew.
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2020-10-09 22:23:54 -04:00 |
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Thomas Harte
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c01bc784b9
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Slightly reduces branching.
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2020-10-09 22:21:55 -04:00 |
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Thomas Harte
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abcd86a294
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Fixes accumulator instructions.
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2020-10-09 22:18:22 -04:00 |
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Thomas Harte
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451f83ba51
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Corrects emulation-mode read-modify-writes not to empty the data buffer.
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2020-10-09 22:14:42 -04:00 |
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Thomas Harte
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b439f40fe2
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Corrects INC and DEC.
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2020-10-09 22:04:25 -04:00 |
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Thomas Harte
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968166b06d
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Resolves incorrectly flow after setting up an absolute address.
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2020-10-09 21:48:35 -04:00 |
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Thomas Harte
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88293909f4
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Enables running of a first test on the 65816.
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2020-10-09 21:44:47 -04:00 |
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Thomas Harte
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9b6c48631d
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Removes usage of a JAM instruction to spot end-of-tests.
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2020-10-09 21:39:34 -04:00 |
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Thomas Harte
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0ed98cbfac
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Attempts to fix direct indirect indexed; not yet successful I think.
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2020-10-08 22:15:19 -04:00 |
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Thomas Harte
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7dde7cc743
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Implements altered direct indexed addressing in emulation mode.
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2020-10-08 22:02:14 -04:00 |
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Thomas Harte
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755627f12d
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Corrects direct addressing.
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2020-10-08 20:00:01 -04:00 |
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Thomas Harte
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f8004d7096
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Implements RTI, corrects TAY.
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2020-10-08 18:06:11 -04:00 |
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Thomas Harte
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0418f51ef2
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Takes a shot at emulation-mode 'exceptions'.
It's just RTI and correct decimal SBC left of the official 6502s now, I think.
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2020-10-08 17:52:13 -04:00 |
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Thomas Harte
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054e0af071
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Corrects RTS behaviour: the return address on the stack is off by one.
Dormann's tests now proceed to a BRK.
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2020-10-08 16:55:45 -04:00 |
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Thomas Harte
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907c3374c3
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Attempts to clean up my JMP/JSR mess.
Also takes a step forwards in decimal SBC, but it's not right yet.
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2020-10-08 16:48:46 -04:00 |
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Thomas Harte
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b578240993
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Adds a further error.
Clearly I've severely overloaded 'JMP' and not fully thought through where it gets its addresses from.
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2020-10-07 21:47:58 -04:00 |
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Thomas Harte
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f83ee97439
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PHP pushes with the BRK flag set in emulation mode.
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2020-10-07 21:37:50 -04:00 |
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Thomas Harte
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19aea85184
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Corrects CMP, CPX, CPY carry flags.
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2020-10-07 21:23:29 -04:00 |
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Thomas Harte
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1ba0a117e7
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Corrects PLB, PLD, PLP.
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2020-10-07 20:23:53 -04:00 |
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Thomas Harte
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b510b9d337
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Adds PHD, PHK and 8-bit PHP and PLP.
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2020-10-07 20:13:12 -04:00 |
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Thomas Harte
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b608e11965
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Realises that not all non-incrementing PC fetches should be thrown away.
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2020-10-07 20:06:27 -04:00 |
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Thomas Harte
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e68b3a2f32
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Corrects JMP program.
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2020-10-07 19:59:29 -04:00 |
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Thomas Harte
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f7b119ffe1
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Moves temporary logging, fixes branch instructions.
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2020-10-07 19:57:58 -04:00 |
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Thomas Harte
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a4cec95db1
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Corrects load and transfer flag oversights.
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2020-10-07 19:36:23 -04:00 |
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Thomas Harte
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84c4fa197b
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Corrects DEX mapping, notes new Dormann failure case.
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2020-10-07 18:48:03 -04:00 |
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Thomas Harte
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eac722cf59
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Implements enough of ADC and SBC for the Dormann test definitively to fail.
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2020-10-07 18:36:17 -04:00 |
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