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Author SHA1 Message Date
Thomas Harte
3aa47f9c68
Merge pull request #843 from TomHarte/MoreDormann 
Introduces a build of Dormann's 65C02 tests that is 65816 compatible.
 2020-10-19 21:13:46 -04:00
Thomas Harte
ab07814614 Eliminates now-broken 65816 flow test. 2020-10-19 21:02:46 -04:00
Thomas Harte
1653abdf88 Adds the .lst; otherwise I'll probably just lose it. 2020-10-19 20:58:24 -04:00
Thomas Harte
b3ab9fff9b Imports a custom-built copy of Klaus Dormann's 65C02 test, with only 65816-compatible parts. 
Thereby fixes another couple of 65816 issues — BRK(, etc) not clearing the decimal flag, and `TRB d` being mismapped.
 2020-10-19 19:27:16 -04:00
Thomas Harte
14718b93a4
Improve commentary. 2020-10-19 09:32:50 -04:00
Thomas Harte
69450e27ad
Merge pull request #839 from TomHarte/65816 
Adds emulation of the 65816.
 2020-10-18 21:49:46 -04:00
Thomas Harte
0cd08aa79d Permits the Oric analyser to check CPC-style DSKs. 
Oric Mist seems to use that format, so some of these now exist out in the wild.
 2020-10-18 21:44:44 -04:00
Thomas Harte
1fa94e1b08 Adds the 65816 as an in-code option for Oric emulation. 
This also means it'll be exposed via the SDL build, but that's okay.
 2020-10-18 21:43:08 -04:00
Thomas Harte
76d9893866 Declares address-bus sizes formally. 
This allows me to fix the final two implicit conversion warnings, albeit that it would have been nice to find a templatey way just to get the type directly from the declaration of `perform_bus_operation`.
 2020-10-18 15:08:21 -04:00
Thomas Harte
c3f8982c62 Resolves all internal implicit type-conversion warnings. 
Chasing those down, it looks like flags were wrong for PLB and PLD. So it's official: warnings help.
 2020-10-18 14:55:17 -04:00
Thomas Harte
99eba2f8ba Ensures intended 65816 exception behaviour. 
i.e. the relevant micro-op sequence exists, and its operation isn't lost. Also sets the 65816 by default to jump straight into power-on, not to execute an instruction first. That shouldn't make a functional difference, but it makes debugging easier because it makes startup fully deterministic.
 2020-10-18 14:43:47 -04:00
Thomas Harte
69509f6502 Attempts to bring a little more consistency to my use of Swift in test code. 2020-10-17 22:42:54 -04:00
Thomas Harte
c3187fdbe1 Makes minor formatting improvement. 2020-10-17 22:31:51 -04:00
Thomas Harte
42228ea955 Adds 65C02As6502 test, to round out the set. 2020-10-17 22:31:32 -04:00
Thomas Harte
e5f57ea743 Make isReadOperation more overt. 2020-10-17 22:27:04 -04:00
Thomas Harte
3b398f7a9a Attempts to complete all 65816 bus signalling. 2020-10-16 21:56:20 -04:00
Thomas Harte
096add7551 Exposes non-BusOperation bus outputs. 2020-10-16 21:05:42 -04:00
Thomas Harte
334e0666b7 Reports ::Ready upon a WAI. 2020-10-15 21:37:37 -04:00
Thomas Harte
98c81749c8 Adds the conventional flush. 2020-10-15 21:36:04 -04:00
Thomas Harte
5dcf720bb5 Extends list of BusOperations. 
Now to retest, widely.
 2020-10-15 21:35:01 -04:00
Thomas Harte
9c0c0255f6 Ensures data/program bank can't accidentally be set to 16-bit values. 2020-10-15 21:10:32 -04:00
Thomas Harte
68c15bd605 Updates Qt project; catches another couple of issues via its compiler. 2020-10-15 21:09:22 -04:00
Thomas Harte
9a2f32795f Revokes stack-local storage non-optimisation. 2020-10-15 21:03:10 -04:00
Thomas Harte
7aa6cf4c6b Tidies up layout very slightly. 2020-10-15 20:51:23 -04:00
Thomas Harte
dfda2adf0d Attempts implementations of both ready and abort. 
Which I think concludes the inputs?
 2020-10-15 20:46:18 -04:00
Thomas Harte
c0a1c34012 Wraps all registers into a struct, so that I can implement abort. 
Makes some preparations for ready too.
 2020-10-15 18:42:38 -04:00
Thomas Harte
3c6adc1ff4 Completes 65816 addressing mode tests and corresponding fixes. 2020-10-14 22:00:52 -04:00
Thomas Harte
e511d33a7c Adds test for [d], y; fixes implementation. 2020-10-14 21:42:41 -04:00
Thomas Harte
c35969d677 Adds tests for (d, x) and (d), y. Both amply tested in emulation mode, so no problems. 
Five to go, all potentially troublesome.
 2020-10-14 21:38:00 -04:00
Thomas Harte
27afb8f0a7 Adds direct indirect long test, and thereby fixes addressing mode. 
Nine to go!
 2020-10-14 21:26:20 -04:00
Thomas Harte
327ab81436 Fills in direct, x and (direct) tests, fixing implementation of the latter. 
10 to go.
 2020-10-14 21:17:28 -04:00
Thomas Harte
db7178495f Implements direct and final absolute test. 
14 to go.
 2020-10-14 20:57:47 -04:00
Thomas Harte
979186e71d Transcribes the English-language versions of the outstanding tests. 
Passing these will make me willing to call the 65816 functionality provisionally done, other than making sureI signal VPA, VDA, VPB, etc, correctly.
 2020-10-14 13:56:37 -04:00
Thomas Harte
f05e0d956b Adds a TODO list in order to keep an end in sight. 2020-10-13 21:43:42 -04:00
Thomas Harte
b22aa5d699 Starts transcribing the addressing examples I have into tests. 
Correspondingly extends the exposed register set and test-machine addressing range.
 2020-10-13 21:38:30 -04:00
Thomas Harte
3e6a2adaaf Corrects absolute, x and absolute, y addressing modes. 2020-10-13 20:30:39 -04:00
Thomas Harte
8f5537aaaa Attempts to resolve my direct-indirect addressing stumble. 2020-10-13 20:21:53 -04:00
Thomas Harte
a15d4a156b Starts trying to ensure appropriate address wrapping. 2020-10-12 22:33:43 -04:00
Thomas Harte
6a47571d17 Stops truncating tests by two bytes. 
Not that it seems to have been problematic.
 2020-10-12 21:53:27 -04:00
Thomas Harte
7479dc74ed Removes printf. It's no longer telling me anything. 2020-10-12 21:52:58 -04:00
Thomas Harte
28da1a724a Introduces Jeek816 test case. 2020-10-12 21:43:44 -04:00
Thomas Harte
f529eadbec Corrects 16-bit read-modify-write. 
Subject to the TODO proviso on 'correct'; has my 6502 prejudice pushed me into unrealistic bus signalling?
 2020-10-12 18:36:09 -04:00
Thomas Harte
5dc3cd3a2f Starts using Jeek816 for a basic native-mode audit. Fixes absolute long addressing. 2020-10-11 22:02:46 -04:00
Thomas Harte
3039a445f0 Ups the 65816 test machine to a full 16mb RAM. 2020-10-11 21:18:01 -04:00
Thomas Harte
82797fd395 Attempts to do the proper thing for interrupts. 2020-10-11 21:10:44 -04:00
Thomas Harte
a0885ab7d0 Implements STP and WAI. 
Albeit still without fully-implemented reactions to exceptions in general.
 2020-10-11 17:56:55 -04:00
Thomas Harte
8eaf1303a3 Attempts proactively to ensure proper RTI behaviour on the 65816. 2020-10-11 15:25:13 -04:00
Thomas Harte
20cbe72985 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.
 2020-10-11 14:38:35 -04:00
Thomas Harte
071ad6b767 I don't think RTL is needed; JML looks like it covers it. 2020-10-10 22:16:35 -04:00
Thomas Harte
0619e49eac Takes a short at TSB and TRB. 
Three to go.
 2020-10-10 22:00:17 -04:00