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Author SHA1 Message Date
Thomas Harte
a9d1f5d925 Pulls out address reload as something I can position independently. 
Sadly receding it by 3 did not have the effect I was hoping for, of receding Enchanted Land's first register tweaking.
 2019-12-27 23:47:19 -05:00
Thomas Harte
2757e5d600 Removes untrue comment. 2019-12-27 22:51:11 -05:00
Thomas Harte
5026de9653 Rejigs the video stream to ensure shifter really is continuous. 
... and definitively to avoid potential buffer overruns. Or, at least, to have a mechanism in place definitively to avoid them. Which will be tested and debugged as necessary.

Also simplifies the colour burst and border/pixels selection logic.
 2019-12-27 22:47:34 -05:00
Thomas Harte
5fa8e046d8 It's inaccurrate to call this _the_ shifter. So don't. 2019-12-27 19:03:10 -05:00
Thomas Harte
ec9357e080
Merge pull request #706 from TomHarte/Vic20Flags 
Permits Vic-20 memory to be specified in banks;
 2019-12-26 23:04:56 -05:00
Thomas Harte
f8dd33b645 Adds necessary header for strcmp. 2019-12-26 22:53:09 -05:00
Thomas Harte
de43e86310 Permits Vic-20 memory to be specified in banks; adds recognition of TheC64-style file tags to specify them. 2019-12-26 22:49:48 -05:00
Thomas Harte
314973a5ef
Merge pull request #704 from TomHarte/RTR 
Corrects implementation of RTR
 2019-12-25 20:47:21 -05:00
Thomas Harte
d26ce65236 Introduces an RTR test. 2019-12-25 19:50:12 -05:00
Thomas Harte
1de4f179c0 Adds more thorough comment on the bus program used. 2019-12-25 19:49:49 -05:00
Thomas Harte
3cb5684d95 Fixes RTR: the whole top half of the SR should be preserved. 
Specifically, the 68000 Reference Manual says: "The supervisor portion of the status register is unaffected." Clearly when I first read that I misread it as the supervisor _flag_ (rather than _portion_) should be preserved.
 2019-12-25 19:49:20 -05:00
Thomas Harte
daacd6805e
Merge pull request #703 from TomHarte/Sup133 
Fixed: the final track field in an MSA is inclusive, not exclusive.
 2019-12-24 23:30:04 -05:00
Thomas Harte
54fe01b532 Fixed: the final track is inclusive, not exclusive. 2019-12-24 23:08:16 -05:00
Thomas Harte
42dd70dbff
Merge pull request #702 from TomHarte/NZStory 
Corrects WD track-zero and write-protect flags.
 2019-12-24 22:22:24 -05:00
Thomas Harte
e59de71d79 Disables status logging, at least until next needed. 2019-12-24 21:44:50 -05:00
Thomas Harte
a8ba3607b7 Adds (and disables) a minor additional piece of logging. 2019-12-24 21:43:39 -05:00
Thomas Harte
4205e95883 Switches to capture of the track 0 flag during a type 1 operation. 2019-12-24 21:43:20 -05:00
Thomas Harte
f633cf4c3f Adds a basic implementation of the non-instantaneous index pulse. 2019-12-24 21:05:17 -05:00
Thomas Harte
dfa6b11737 Adds responsibility for an ongoing index pulse to the drive. 2019-12-24 20:53:37 -05:00
Thomas Harte
42926e72cc Adjusted: Flag::WriteProtect works in real time for a type-1 status. 2019-12-24 19:57:12 -05:00
Thomas Harte
80cb06eb33 It provisionally seems as though spin_up should be reset by a force interrupt? 2019-12-24 19:37:37 -05:00
Thomas Harte
5068328a15 Fixes debugging output. 2019-12-24 19:15:58 -05:00
Thomas Harte
adc2b77833 Enhances with constexpr. 2019-12-24 18:53:50 -05:00
Thomas Harte
99415217dc
Merge pull request #701 from TomHarte/TestsSyntax 
Corrects syntax errors in test suite.
 2019-12-23 22:15:16 -05:00
Thomas Harte
48d519d475 Merge branch 'master' into TestsSyntax 2019-12-23 22:13:55 -05:00
Thomas Harte
ed831e5912 Fixes test syntax errors. 2019-12-23 22:13:25 -05:00
Thomas Harte
1db7c7989b
Merge pull request #700 from TomHarte/NoNew 
Embraces std::make_[unique/shared] in place of .reset(new .
 2019-12-23 22:05:57 -05:00
Thomas Harte
b2bed82da6 Switches to standard logging. 2019-12-23 22:00:40 -05:00
Thomas Harte
afae1443b4 Merge branch 'master' into NoNew 2019-12-23 21:32:17 -05:00
Thomas Harte
0dae608da5 Embraces std::make_[unique/shared] in place of .reset(new . 2019-12-23 21:31:46 -05:00
Thomas Harte
8a1fe99fa4
Merge pull request #699 from TomHarte/SpuriousCRCErrors 
Ensure the WD won't confuse sector contents for header content.
 2019-12-23 21:15:15 -05:00
Thomas Harte
ac604b30f3 Eliminates dangling static_casts in favour of construction. 2019-12-22 20:59:20 -05:00
Thomas Harte
b035b92f33 Corrects accidental use of sector contents as addresses in multi-sector reads and writes. 
As a secondary defect, this was also causing erroneous CRC error reports.
 2019-12-22 19:58:02 -05:00
Thomas Harte
d25b48878c Cleans up READ_ID macro, inter alia. 2019-12-22 17:58:33 -05:00
Thomas Harte
34a3790e11 Minor static_cast clean-ups. 2019-12-22 17:56:59 -05:00
Thomas Harte
f3378f3e3e
Merge pull request #698 from TomHarte/MoreScreenshots 
Adds many additional screenshots.
 2019-12-22 14:43:08 -05:00
Thomas Harte
78accc1db1 Seeks to fix macOS desktop picture. 2019-12-22 14:41:13 -05:00
Thomas Harte
a756985e18 Makes a further attempt at this table. 2019-12-22 14:40:02 -05:00
Thomas Harte
30e0d4aa30 Attempts a table fix. 2019-12-22 14:37:59 -05:00
Thomas Harte
de72c66c64 Adds a full image gallery, trying to hit every supported system. 
... that isn't already pictured, that is.
 2019-12-22 14:36:33 -05:00
Thomas Harte
6edd3c9698
Merge pull request #697 from TomHarte/MoreConstexpr 
Further propagates `constexpr`.
 2019-12-22 13:53:44 -05:00
Thomas Harte
5456a4a39d Eliminates static where constexpra aren't class members; adds some if constexprs for clarity. 2019-12-22 13:42:24 -05:00
Thomas Harte
66d9b60b98
Merge pull request #696 from TomHarte/make_shared 
Makes a variety of minor style improvements
 2019-12-22 00:27:57 -05:00
Thomas Harte
274867579b Deploys constexpr as a stricter const. 2019-12-22 00:22:17 -05:00
Thomas Harte
a847654ef2 Corrects various old-fashioned bits of indentation, plus the odd const. 2019-12-22 00:00:23 -05:00
Thomas Harte
05d77d3297 Also deploys make_unique/shared to avoid type repetition. 2019-12-21 23:52:04 -05:00
Thomas Harte
e9318efeb6 Switches to std::make_shared/make_unique in a bunch of applicable places. 
No doubt many more similar improvements are available, these are just the ones that were easy to find.
 2019-12-21 23:34:25 -05:00
Thomas Harte
25da5ebdae
Merge pull request #695 from TomHarte/68000ByteAccess 
Corrects 16-bit view of the 68000 bus during 8-bit operations.
 2019-12-21 21:08:39 -05:00
Thomas Harte
cf16f41939 Makes value8_high/low and value16 branchless. 2019-12-21 20:58:37 -05:00
Thomas Harte
08f2877382 I think the 68000 actually loads a byte value onto both the upper and lower data lines. 2019-12-21 20:37:03 -05:00