Thomas Harte
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8efb6a9226
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Simplify 'get_next_sequence_point' -> 'next_sequence_point'.
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2023-09-10 18:00:49 -04:00 |
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Thomas Harte
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b34403164e
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Abstract out VGC interrupt register; fix clearing bug.
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2023-08-18 14:30:40 -04:00 |
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Thomas Harte
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28c79b2885
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Eliminate redundant [space][tab] pairs.
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2023-05-12 14:14:45 -04:00 |
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Thomas Harte
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2b56b7be0d
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Simplify namespace syntax.
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2023-05-10 16:02:18 -05:00 |
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Thomas Harte
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114d48b076
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This register appears to be read/write.
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2020-12-11 21:43:34 -05:00 |
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Thomas Harte
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4bdbca64b2
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Takes a shot at the Mega II-style video interrupts.
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2020-11-29 21:21:46 -05:00 |
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Thomas Harte
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a9ce43d244
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Takes a shot at the two video counter registers.
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2020-11-29 19:57:35 -05:00 |
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Thomas Harte
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fdd102df52
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Resolves border colour resets.
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2020-11-26 13:13:48 -05:00 |
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Thomas Harte
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03a893dc74
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Quick refactor: this clearly isn't a VideoBase, it's the full implementation.
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2020-11-26 12:54:20 -05:00 |
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Thomas Harte
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e7160fe3c3
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Rounds out the IIgs video hardware, bugs aside.
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2020-11-23 20:58:32 -05:00 |
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Thomas Harte
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9d61665014
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Attempts to add colour double [low/high] resolution output.
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2020-11-23 19:05:18 -05:00 |
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Thomas Harte
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46f7ff07f7
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Adds support for fill mode.
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2020-11-22 21:55:21 -05:00 |
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Thomas Harte
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a34f294ba8
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Pulls out commonalities re: NTSC colour, ensures mixed modes on a line works.
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2020-11-22 21:29:40 -05:00 |
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Thomas Harte
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b0936b6ef4
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Resolves high-resolution output.
Yet to optimise, but working.
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2020-11-22 19:10:05 -05:00 |
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Thomas Harte
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4b024c5787
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Starts to make some attempt at classic II modes.
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2020-11-21 18:07:51 -05:00 |
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Thomas Harte
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a7051e4e42
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Strip this forceinline until I've satisfied myself that it works in declarations.
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2020-11-18 21:40:25 -05:00 |
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Thomas Harte
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8f4597f742
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Hacks in double text.
Actually, only one error: it should start half a column earlier. All 'double' output should. TODO.
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2020-11-18 19:47:22 -05:00 |
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Thomas Harte
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bb80e53021
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Reduces frequency of video flushes.
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2020-11-16 21:55:41 -05:00 |
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Thomas Harte
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9206ab5dc3
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Adds notes to self; implements get_next_sequence_point for video, allowing per-line interrupts.
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2020-11-16 14:42:50 -05:00 |
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Thomas Harte
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1db713fec1
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Attempts more meaningful super high-res pixel output.
With a timing hack as noted.
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2020-11-15 18:36:24 -05:00 |
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Thomas Harte
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68ba73bee0
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Ensures I get some sort of feedback for non-text modes.
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2020-11-15 17:16:52 -05:00 |
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Thomas Harte
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54352cb1cb
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Stubs in a couple more registers.
PC now hits $0000. Likely a bug.
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2020-11-09 21:54:25 -05:00 |
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Thomas Harte
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32374444ba
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Fixes text output window.
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2020-11-08 17:04:04 -05:00 |
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Thomas Harte
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287bfeb924
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Hacks in 40-column text.
Hot gossip: my IIgs is reporting a system error. A clue!
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2020-11-08 17:01:23 -05:00 |
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Thomas Harte
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3bb3d8c5c1
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Adds text colour register.
Oddly this isn't currently being set. So probably another latent fault elsewhere.
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2020-11-07 23:14:50 -05:00 |
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Thomas Harte
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a51f4122f0
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Attempts to respect border colour.
Though for now my display is just a sea of purple.
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2020-11-07 22:03:05 -05:00 |
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Thomas Harte
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d37ba62343
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Makes first, faltering steps towards video display.
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2020-11-07 20:42:34 -05:00 |
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Thomas Harte
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699fb0aa4b
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Switches to just-in-time video, for easy access to a clock divider.
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2020-11-07 19:40:26 -05:00 |
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Thomas Harte
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613d4b7c8b
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Migrates character ROM handling; supplies one for the IIgs.
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2020-11-07 17:45:03 -05:00 |
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Thomas Harte
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282d0f1ebb
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For debugging, adds a dump of anything in the [presumably] text buffer.
Nothing is there.
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2020-11-05 18:17:21 -05:00 |
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Thomas Harte
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f466cbadec
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Attempts to do just enough with video to get a functioning vertical blank query.
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2020-11-05 17:56:20 -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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