Thomas Harte
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46ee98639e
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Stubs in $c010.
Also reduces memory map logging.
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2020-11-04 21:35:11 -05:00 |
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Thomas Harte
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9e2a6526d1
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Corrects interpretation of bit 3 of the state register.
And attempts to be a bit more careful with the language card in general.
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2020-11-04 21:15:10 -05:00 |
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Thomas Harte
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d3c7253981
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Shifts size-limiting of X and Y to transitions and mutations, away from reads.
Primarily to remove potential bug-causing complexity — this is easier to debug. But let's see.
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2020-11-04 20:35:41 -05:00 |
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Thomas Harte
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0178aaee2b
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Attempts retroactively to enforce the rule that 8-bit index modes => no top byte.
(Rather than a preserved but ignored top byte)
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2020-11-02 18:55:28 -05:00 |
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Thomas Harte
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45f5896b76
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Stubs video switches into the IIgs.
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2020-10-31 20:39:32 -04:00 |
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Thomas Harte
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0d562699a2
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Ensures unmapped regions are really unmapped.
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2020-10-29 22:18:01 -04:00 |
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Thomas Harte
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94a6da6b7d
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Exposes much of the auxiliary and language card stuff to the IIgs bus.
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2020-10-28 21:58:20 -04:00 |
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Thomas Harte
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0a91ac5af5
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Adds some extra notes, starts getting into trying to run the IIgs.
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2020-10-27 22:09:45 -04:00 |
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Thomas Harte
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ad93ad6018
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Attempts to finish off shadowing.
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2020-10-27 22:05:04 -04:00 |
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Thomas Harte
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0c700094ea
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Goes branchless on shadowing.
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2020-10-27 21:56:03 -04:00 |
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Thomas Harte
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20631a157b
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Contorts somewhat in pursuit of branchless shadowing regardless of page and without extra storage.
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2020-10-27 21:37:39 -04:00 |
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Thomas Harte
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e44f95a882
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Takes a first, faltering shot at shadowing.
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2020-10-27 19:49:47 -04:00 |
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Thomas Harte
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31cd45f8b5
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Takes a run at set_card_paging and simplifies method of shadowing.
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2020-10-27 19:33:47 -04:00 |
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Thomas Harte
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74f9f6ad3b
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Tests and corrects ROM access beyond bank $00.
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2020-10-27 19:02:15 -04:00 |
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Thomas Harte
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1dfdb51e61
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Hits a few other easy cases.
Still to do: card paging, and finding out which banks that applies to, and shadowing. So: everything with flags.
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2020-10-26 21:49:47 -04:00 |
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Thomas Harte
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18832dc19d
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Attempts to expand the language card stuff to all affected pages.
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2020-10-26 20:30:41 -04:00 |
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Thomas Harte
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3dee0666cb
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Corrects current bank $00 language card behaviour.
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2020-10-26 17:46:40 -04:00 |
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Thomas Harte
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f830f6a57a
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Adds failing test of initial ROM mirroring.
It's the end of the evening, so this is it for today.
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2020-10-25 22:13:54 -04:00 |
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Thomas Harte
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82c733c68c
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Adds some very basic actual tests.
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2020-10-25 21:40:50 -04:00 |
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Thomas Harte
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ed510409c4
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Starts memory map test class, already finding a typo.
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2020-10-25 21:31:21 -04:00 |
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Thomas Harte
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7614eba4bf
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Factors out the IIgs memory map logic.
As testing would be rational.
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2020-10-25 21:10:04 -04:00 |
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