Thomas Harte
254132b83d
Eliminates 6522Base in pursuit of working handshake modes.
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Specifically: this means that the places from which the BusHandler may be called are more numerous.
2019-05-08 12:35:17 -04:00
Thomas Harte
7e6d4f5a3e
Adds emulation of the real-time clock.
2019-05-08 00:12:19 -04:00
Thomas Harte
96facc103a
Adds an IWM shim and corrects graphics output.
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... now that there is some.
2019-05-05 21:55:34 -04:00
Thomas Harte
417a3e1540
Adds missing call to flush.
2019-05-03 23:31:12 -04:00
Thomas Harte
68392ce6f5
Adds enough of a concept of Mac video to get a properly initialised display.
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Completely empty at present, naturally. Also this is the very first time I've run my 68000 at live speed. From just one data point, it's not terrible. Phew!
2019-05-03 23:25:42 -04:00
Thomas Harte
6873f62ad8
Ensures that the Mac now retains its ROM properly.
2019-05-03 22:39:09 -04:00
Thomas Harte
5f385e15f6
Adds the bare bones necessary to be able to create a Macintosh from File -> New... .
2019-05-03 22:16:07 -04:00
Thomas Harte
8c5d37b6ee
Refactors the AppleII into a sub-namespace to make room for other Apple machines.
2019-05-03 18:14:10 -04:00
Thomas Harte
4f9f73ca81
Corrects tests affected by change in run_for_instructions semantics and new program base address.
2019-05-03 15:05:14 -04:00
Thomas Harte
ae31d45c88
Introduces the 68000 to SConstruct.
2019-05-03 14:31:09 -04:00
Thomas Harte
93616a4903
Completes test of a vectored interrupt.
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Correcting issues uncovered.
2019-05-02 00:00:09 -04:00
Thomas Harte
bb07206c55
Corrects internet response to work as currently implemented.
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Also makes corrections to the bus error and address error exceptions.
2019-05-01 21:59:06 -04:00
Thomas Harte
e430f2658f
Adds a test and by that means fixes divide-by-zero exception return addresses.
2019-04-29 23:09:50 -04:00
Thomas Harte
7332c64964
Improves testing of function as distinct from timing.
2019-04-29 22:08:37 -04:00
Thomas Harte
d6e16d0042
Adds a test of TOS 1.00, as far as it goes without meaningful hardware.
2019-04-29 18:04:57 -04:00
Thomas Harte
8e02d29ae6
Trims test to length of trace capture.
2019-04-29 17:56:49 -04:00
Thomas Harte
c0e9c37cc7
Improves memory map model, as far as it goes.
2019-04-29 17:27:44 -04:00
Thomas Harte
5b5bfc8445
Applies trace testing to EmuTOS.
2019-04-29 16:55:21 -04:00
Thomas Harte
c466b6f9e7
Factors out the [unit testing] stuff of being a trace-checking 68000 bus handler.
2019-04-29 16:11:01 -04:00
Thomas Harte
407643c575
Tweaks test length slightly to ensure this doesn't run beyond the final line's end.
2019-04-29 15:40:17 -04:00
Thomas Harte
d9071ee9f1
Starts sketching out the asynchronous bus.
2019-04-29 13:45:53 -04:00
Thomas Harte
d9278e9827
Attempts to complete the list of things I can't disassemble.
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Mysteries to be solved here, definitely. But: 13 missing opcodes remaining.
2019-04-28 23:11:49 -04:00
Thomas Harte
0298b1b3b7
Implements LINK and UNLINK.
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Also starts excluding opcodes that I can't determine the mapping of from the list of those tested against.
Due to those two things together, the latter incomplete: 627 opcodes outstanding. But only STOP and MOVEP remain on my list of things to implement prior to exceptions.
2019-04-28 17:12:31 -04:00
Thomas Harte
cf547ef569
Improves semantic communications and temporarily omits A- and F-line instructions.
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So it looks like 2773 instructions left to go.
2019-04-27 15:15:03 -04:00
Thomas Harte
40f68b70c1
Adds quantification of reports.
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Depressingly; 11,841 opcodes are still missing. Better get on with it!
2019-04-26 13:25:34 -04:00
Thomas Harte
a3b6d2d16e
Corrects test and resolves all instances of opcodes that are valid but shouldn't be.
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The converse case will require implementation of the remaining instructions.
2019-04-25 22:54:58 -04:00
Thomas Harte
3983f8303f
Introduces failing test of 68000 opcode coverage.
2019-04-25 22:06:05 -04:00
Thomas Harte
7cbd5e0ef6
Imports additional files used as test cases.
2019-04-25 21:43:47 -04:00
Thomas Harte
7df85ea695
Cleans up and formally introduces a comparative source for QL startup.
2019-04-25 15:42:41 -04:00
Thomas Harte
a08043ae88
Ensures that MOVE.b #, (xxx).l writes only a byte.
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Also rearranges some of the temporary logging functionality.
2019-04-23 19:01:58 -04:00
Thomas Harte
6d6046757d
Fixes predecrementing MOVEM to leave the proper address in the relevant register.
2019-04-22 15:41:09 -04:00
Thomas Harte
44eb4e51ed
Ensures DBcc properly signals program fetches.
2019-04-21 22:54:20 -04:00
Thomas Harte
3cb042a49d
Corrects the carry and extend flags for various long-word operations.
2019-04-21 22:08:18 -04:00
Thomas Harte
0be9a0cb88
Corrects Scc (and other conditionals) for complex addressing modes.
2019-04-20 18:35:19 -04:00
Thomas Harte
ef33b004f9
Corrects word access order of MOVEM.l.
2019-04-20 15:13:12 -04:00
Thomas Harte
2cac4b0d74
Corrects EA usage for ADDA and SUBA.
2019-04-19 23:02:41 -04:00
Thomas Harte
a49f516265
Corrects direction of MOVE [to/from] USP.
2019-04-19 22:41:06 -04:00
Thomas Harte
2d97fc1f59
Beefs up documentation and developer support.
2019-04-19 13:29:35 -04:00
Thomas Harte
ee7ae11e90
Implements EXG and SWAP.
2019-04-19 11:27:43 -04:00
Thomas Harte
c265ea9847
Corrects byte writes in both test machines.
2019-04-17 16:39:10 -04:00
Thomas Harte
b64da2710a
Corrects a few MOVE #s.
2019-04-17 10:00:14 -04:00
Thomas Harte
82b08d0e3a
Corrects addressing behaviour of nRd[+-].
2019-04-17 08:53:34 -04:00
Thomas Harte
62e4c23961
Corrects memory map, causing the RAM test no longer to fail.
2019-04-15 13:03:32 -04:00
Thomas Harte
a223cd90a1
Adds predecrement TSTs, increases QL running time, reduces logging.
2019-04-15 12:36:08 -04:00
Thomas Harte
fba210f7ce
Corrects MOVE.l Dn, (An)[+].
2019-04-15 09:30:49 -04:00
Thomas Harte
52e33e861c
Starts to introduce the QL as a second source for 68000 testing.
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It's advantageous over the ST in that a commented disassembly of the ROM is available.
2019-04-14 22:15:09 -04:00
Thomas Harte
2ba66c4457
Corrects MOVEA, adds extra test safeguards.
2019-04-12 16:10:17 -04:00
Thomas Harte
06a2f59bd0
Implements DBcc.
2019-04-06 23:21:01 -04:00
Thomas Harte
0af57806da
Adds a hard-coded value sufficient to advance in TOS startup.
2019-04-06 20:00:34 -04:00
Thomas Harte
73e1c8c780
Corrects now-unimplemented ADD/SUB.
2019-04-03 19:43:54 -04:00
