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mirror of https://github.com/TomHarte/CLK.git synced 2024-11-26 23:52:26 +00:00
Commit Graph

28 Commits

Author SHA1 Message Date
Thomas Harte
114d48b076 This register appears to be read/write. 2020-12-11 21:43:34 -05:00
Thomas Harte
4bdbca64b2 Takes a shot at the Mega II-style video interrupts. 2020-11-29 21:21:46 -05:00
Thomas Harte
a9ce43d244 Takes a shot at the two video counter registers. 2020-11-29 19:57:35 -05:00
Thomas Harte
fdd102df52 Resolves border colour resets. 2020-11-26 13:13:48 -05:00
Thomas Harte
03a893dc74 Quick refactor: this clearly isn't a VideoBase, it's the full implementation. 2020-11-26 12:54:20 -05:00
Thomas Harte
e7160fe3c3 Rounds out the IIgs video hardware, bugs aside. 2020-11-23 20:58:32 -05:00
Thomas Harte
9d61665014 Attempts to add colour double [low/high] resolution output. 2020-11-23 19:05:18 -05:00
Thomas Harte
46f7ff07f7 Adds support for fill mode. 2020-11-22 21:55:21 -05:00
Thomas Harte
a34f294ba8 Pulls out commonalities re: NTSC colour, ensures mixed modes on a line works. 2020-11-22 21:29:40 -05:00
Thomas Harte
b0936b6ef4 Resolves high-resolution output.
Yet to optimise, but working.
2020-11-22 19:10:05 -05:00
Thomas Harte
4b024c5787 Starts to make some attempt at classic II modes. 2020-11-21 18:07:51 -05:00
Thomas Harte
a7051e4e42 Strip this forceinline until I've satisfied myself that it works in declarations. 2020-11-18 21:40:25 -05:00
Thomas Harte
8f4597f742 Hacks in double text.
Actually, only one error: it should start half a column earlier. All 'double' output should. TODO.
2020-11-18 19:47:22 -05:00
Thomas Harte
bb80e53021 Reduces frequency of video flushes. 2020-11-16 21:55:41 -05:00
Thomas Harte
9206ab5dc3 Adds notes to self; implements get_next_sequence_point for video, allowing per-line interrupts. 2020-11-16 14:42:50 -05:00
Thomas Harte
1db713fec1 Attempts more meaningful super high-res pixel output.
With a timing hack as noted.
2020-11-15 18:36:24 -05:00
Thomas Harte
68ba73bee0 Ensures I get some sort of feedback for non-text modes. 2020-11-15 17:16:52 -05:00
Thomas Harte
54352cb1cb Stubs in a couple more registers.
PC now hits $0000. Likely a bug.
2020-11-09 21:54:25 -05:00
Thomas Harte
32374444ba Fixes text output window. 2020-11-08 17:04:04 -05:00
Thomas Harte
287bfeb924 Hacks in 40-column text.
Hot gossip: my IIgs is reporting a system error. A clue!
2020-11-08 17:01:23 -05:00
Thomas Harte
3bb3d8c5c1 Adds text colour register.
Oddly this isn't currently being set. So probably another latent fault elsewhere.
2020-11-07 23:14:50 -05:00
Thomas Harte
a51f4122f0 Attempts to respect border colour.
Though for now my display is just a sea of purple.
2020-11-07 22:03:05 -05:00
Thomas Harte
d37ba62343 Makes first, faltering steps towards video display. 2020-11-07 20:42:34 -05:00
Thomas Harte
699fb0aa4b Switches to just-in-time video, for easy access to a clock divider. 2020-11-07 19:40:26 -05:00
Thomas Harte
613d4b7c8b Migrates character ROM handling; supplies one for the IIgs. 2020-11-07 17:45:03 -05:00
Thomas Harte
282d0f1ebb For debugging, adds a dump of anything in the [presumably] text buffer.
Nothing is there.
2020-11-05 18:17:21 -05:00
Thomas Harte
f466cbadec Attempts to do just enough with video to get a functioning vertical blank query. 2020-11-05 17:56:20 -05:00
Thomas Harte
45f5896b76 Stubs video switches into the IIgs. 2020-10-31 20:39:32 -04:00