Thomas Harte
661fe1e649
Disables logging, for now.
2019-06-03 15:57:53 -04:00
Thomas Harte
85298319fa
Expands towards supporting multiple Macintosh models.
...
To provide another variable to help with bug isolation.
2019-06-03 14:50:36 -04:00
Thomas Harte
881feb1bd3
Adds preliminary parsing of the Disk Copy 4.2 format.
2019-06-02 13:39:25 -04:00
Thomas Harte
3e9fa63799
Adds a receiver for drive-motor control bytes.
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My new belief is that I'm either reading the buffer from the wrong place, or the 68000 isn't filling it for some reason.
2019-06-01 19:31:32 -04:00
Thomas Harte
6d985866ee
All proper inputs are now provided to the audio generator.
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Hopefully. The next job is to generate audio. If that sounds correct, then the disk motor speed question can be tackled.
2019-06-01 15:03:15 -04:00
Thomas Harte
723137c0d4
With some time additions to the 6522, starts wiring in Macintosh audio.
...
The audio buffer is also the disk motor buffer, so this is preparatory to further disk work.
2019-06-01 14:39:40 -04:00
Thomas Harte
938928865d
Merge branch 'master' into Mac128k
2019-05-30 22:29:56 -04:00
Thomas Harte
e88ef30ce6
Adds recommended fix for 0xc3 in position 12 error.
2019-05-30 22:20:15 -04:00
Thomas Harte
5e2496d59c
Simplifies and corrects MOVE logic.
2019-05-28 15:17:03 -04:00
Thomas Harte
c52da9d802
Adds some logging preparatory to a MOVE change.
2019-05-28 15:05:42 -04:00
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.
...
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
