Thomas Harte
e0ceab6642
Pivots towards looking at Timer B as a cause of in-frame inaccuracy.
2019-11-19 21:52:50 -05:00
Thomas Harte
894066984c
Moves beginning and end of vertical sync to what I now believe is its proper place.
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At least one demo now successfully opens the top border.
2019-11-19 20:13:47 -05:00
Thomas Harte
c91495d068
Merge pull request #678 from TomHarte/DEDelay
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Introduces a 28-cycle delay on DE propagation
2019-11-18 23:53:46 -05:00
Thomas Harte
e787c03530
Slightly shortens NTSC frame.
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Either: (i) 263 is incorrect; or (ii) my logic as to frame height is incorrect. Given that the horizontal side of things is really well documented, I'm currently guessing (i). Research to do.
2019-11-18 23:47:27 -05:00
Thomas Harte
b12136691a
Corrects comment.
2019-11-18 23:46:33 -05:00
Thomas Harte
c04d2f6c6e
Restricts DTack delay to RAM and Shifter accesses.
2019-11-18 22:57:13 -05:00
Thomas Harte
6990abc0d3
Tweaks selected output mode when both BPP bits are set.
2019-11-18 22:56:40 -05:00
Thomas Harte
0ce5057fd9
Attempts to factor in event counting direction.
2019-11-18 22:37:20 -05:00
Thomas Harte
ade8df7217
Permits a delay on DE propagation back to the CPU. Plus tests.
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Currently set at 28 cycles, but I don't know.
2019-11-18 22:12:24 -05:00
Thomas Harte
b98703bd5b
Corrects lack of const.
2019-11-18 22:11:52 -05:00
Thomas Harte
82c984afa4
Switches the joysticks around.
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Thereby finally allowing me to control mode games.
2019-11-18 20:02:27 -05:00
Thomas Harte
1202b0a65f
Establishes a pipeline for delayed public state visibility.
2019-11-17 23:28:00 -05:00
Thomas Harte
facc0a1976
Amps up the documentation.
2019-11-17 21:28:51 -05:00
Thomas Harte
25da8b7787
Merge pull request #677 from TomHarte/SyncDisturbance
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Corrects accidental dropping of pixel residue.
2019-11-17 18:47:27 -05:00
Thomas Harte
253dd84109
Corrects accidental dropping of pixel residue.
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Specific issue: the repeated (start_column != end_column) test, which can no longer be correct if start_column has been incremented in the (x_&7) test.
The visible effect was to omit pixels from the output wave, which also affected observed sync timing.
2019-11-17 18:34:13 -05:00
Thomas Harte
9d07765823
Ensures proper precedence of * over %.
2019-11-14 23:19:31 -05:00
Thomas Harte
11de0e198f
Removes dead travis.yml.
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Travis never worked; GitHub actions do; that's CI.
2019-11-14 19:58:24 -05:00
Thomas Harte
f16f0897d5
Merge pull request #676 from TomHarte/BuildWorkflow
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Adds continuous integration via GitHub actions.
2019-11-14 13:59:52 -05:00
Thomas Harte
3d4d45ef62
Remove redundant 'build'
2019-11-14 13:54:24 -05:00
Thomas Harte
04c4f5f321
Removes syntax violating colon.
2019-11-14 13:53:24 -05:00
Thomas Harte
fa900d22e8
Adds a more manageable title.
2019-11-14 13:52:24 -05:00
Thomas Harte
aee2890b25
Switch to title case.
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This seems to fit better with the fixed named steps.
2019-11-14 13:50:03 -05:00
Thomas Harte
40e1ec28fb
Attempt sudo.
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Sorry for the noise; there's no obvious better way to test this stuff.
2019-11-14 13:42:56 -05:00
Thomas Harte
c6e2b1237c
Add build workflow
2019-11-14 13:40:06 -05:00
Thomas Harte
efdd27a435
Merge pull request #675 from TomHarte/STFileFormat
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Adds support for .ST files.
2019-11-12 23:32:47 -05:00
Thomas Harte
2c4f372872
Adds support for the .ST file format.
2019-11-12 23:23:14 -05:00
Thomas Harte
74be876d72
Corrects track count calculation for DSD disks.
2019-11-12 23:22:56 -05:00
Thomas Harte
e8e166eec5
Ensures no out-of-disk-bounds mirroring.
2019-11-12 23:22:25 -05:00
Thomas Harte
4ec8fa0d20
Merge branch 'LessACIAState'
2019-11-12 22:34:02 -05:00
Thomas Harte
b019c6f8dd
Merge pull request #674 from TomHarte/LessACIAState
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Reduces redundant ACIA state.
2019-11-12 22:32:47 -05:00
Thomas Harte
6ec3c47cc0
Ensures same-level interrupts don't double trigger.
2019-11-12 22:18:13 -05:00
Thomas Harte
ccce127f13
Merge branch 'master' into LessACIAState
2019-11-12 19:41:18 -05:00
Thomas Harte
f4cfca0451
Merge branch 'master' of github.com:TomHarte/CLK
2019-11-12 19:38:44 -05:00
Thomas Harte
eb287605f7
Switches to a default of TOS 1.04.
2019-11-12 19:38:30 -05:00
Thomas Harte
2026761a07
Merge pull request #673 from TomHarte/FewerSpans
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Reduces Atari ST output heft
2019-11-12 19:37:53 -05:00
Thomas Harte
6a82c87320
Withdraws border optimisation temporarily; I think I may be onto an output bug here.
2019-11-12 19:33:13 -05:00
Thomas Harte
f0478225f0
Adjusts logic to reduce number of output spans.
2019-11-12 19:30:28 -05:00
Thomas Harte
d6edfa5c6d
Removes the redundant state encased within interrupt_causes_.
2019-11-11 21:49:02 -05:00
Thomas Harte
e7253a8713
Merge pull request #672 from TomHarte/BetterShifter
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Introduces a cleaner, separated shifter.
2019-11-10 21:56:45 -05:00
Thomas Harte
c6f6bc68e1
Undoes non-insertion of media.
2019-11-10 21:52:06 -05:00
Thomas Harte
ab34fad8ca
Introduces a cleaner, separated shifter.
2019-11-10 21:39:40 -05:00
Thomas Harte
e4c77614c1
Merge pull request #671 from TomHarte/STJoystick
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Makes joysticks a little more const correct
2019-11-09 22:11:11 -05:00
Thomas Harte
072b0266af
It seems status reads are not required to clear the interrupt line.
2019-11-09 20:12:09 -05:00
Thomas Harte
7ae0902103
Adds additional joystick commands to the dispatcher.
2019-11-09 20:10:54 -05:00
Thomas Harte
8e9428623e
Adds joystick events to the Atari ST.
2019-11-09 18:39:22 -05:00
Thomas Harte
2c25135d8a
Fixes const correctness for joystick machines; the ST is now one such.
2019-11-09 18:19:05 -05:00
Thomas Harte
3741cba88c
Merge pull request #670 from TomHarte/STKeyboard
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Corrects: KeyPad -> Keypad. Also fleshes out Atari ST keyboard mapping.
2019-11-09 18:05:52 -05:00
Thomas Harte
860837d894
Corrects: KeyPad -> Keypad. Also fleshes out Atari ST keyboard mapping.
2019-11-09 18:02:14 -05:00
Thomas Harte
cef07038c1
Merge pull request #662 from TomHarte/AtariST
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Adds basic and very buggy Atari ST emulation.
2019-11-09 16:18:50 -05:00
Thomas Harte
0bf61c9c99
Updated: there is some ST emulation here now.
2019-11-09 16:18:29 -05:00
