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 |
|