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10204 Commits

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Author SHA1 Message Date
Thomas Harte
363fd0f781 Add 6809 to Xcode project. 2023-03-17 21:25:31 -04:00
Thomas Harte
345e519e6a
Merge pull request #1122 from TomHarte/6809 
Add experimental 6809 opcode decoder.
 2023-03-17 21:25:08 -04:00
Thomas Harte
315e0b4545 Add experimental 6809 opcode decoder. 
Just a pleasant distraction, for now.
 2023-03-17 21:20:35 -04:00
Thomas Harte
4a5b2fd9ba Eliminate logged TODOs that I don't intend to action soon. 2023-03-16 22:00:47 -04:00
Thomas Harte
a5a36cb08e Add missing status storage; capture mode 2 sprite collision locations. 2023-03-15 23:06:32 -04:00
Thomas Harte
aa4582956f Add TODO. 2023-03-15 22:37:47 -04:00
Thomas Harte
c9543d0b36 Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2 2023-03-14 22:28:01 -04:00
Thomas Harte
d36c8df0c9 Eliminate redundant init. 2023-03-14 22:27:46 -04:00
Thomas Harte
f26dee16bf Update comment. 2023-03-13 23:21:19 -04:00
Thomas Harte
131784d007 Generalise PointSet to read or write. 2023-03-13 22:51:01 -04:00
Thomas Harte
e703fa9cf8 Fetch colours in TMS character mode. 2023-03-12 23:33:29 -04:00
Thomas Harte
201a7c17ae Avoid VDP race condition. 2023-03-12 23:20:48 -04:00
Thomas Harte
e0125e0177 Add MSX 1 diversion. 2023-03-12 23:14:24 -04:00
Thomas Harte
cc04349618 Reestablish relationship between fetch and output. 2023-03-11 22:24:11 -05:00
Thomas Harte
d46f869276 Minor style improvement. 2023-03-10 21:14:52 -05:00
Thomas Harte
9836a108da Avoid VDP access races. 2023-03-10 21:04:55 -05:00
Thomas Harte
da944fde92 Eliminate data-type assumption. 2023-03-10 21:04:35 -05:00
Thomas Harte
c9124f13cd Add suggested brackets. 2023-03-09 22:25:09 -05:00
Thomas Harte
ca7d34ad04 Fix ambiguous using. 2023-03-09 22:24:53 -05:00
Thomas Harte
2913368a06 Attempt YMMM. 2023-03-08 23:12:02 -05:00
Thomas Harte
82659e7924 Unify existing moves. 2023-03-08 22:36:06 -05:00
Thomas Harte
f3a84021ed Merge branch 'MSX2' of github.com:TomHarte/CLK into MSX2 2023-03-08 18:28:17 -05:00
Thomas Harte
555d883227 Yamaha fetches don't require an outer switch. 2023-03-08 18:28:13 -05:00
Thomas Harte
020d9604c6 Better judge when to rotate addresses. 2023-03-08 18:27:59 -05:00
Thomas Harte
6845008fd4 Place end-of-frame interrupt appropriately. 2023-03-07 22:12:06 -05:00
Thomas Harte
cc7b209e1a Adjust visible Y9938 area; clamp scrolled y; use proper mode 2 terminator. 2023-03-07 18:19:08 -05:00
Thomas Harte
e8404bdcc0 TODO is done, probably. 2023-03-06 22:57:53 -05:00
Thomas Harte
f8eb2199c2 Fix relative offset. 2023-03-06 22:49:21 -05:00
Thomas Harte
a13905acf9 Attempt to incorporate scroll offset into line interrupt. 2023-03-06 21:41:43 -05:00
Thomas Harte
5471979f8d Eliminate stale TODOs. 2023-03-05 21:34:10 -05:00
Thomas Harte
5b8a5755f0 Use correct mode-7 sprite palette. 2023-03-05 21:29:04 -05:00
Thomas Harte
caaba836ba Correct GR7 rasterisation and 6/7 collection. 2023-03-05 13:43:53 -05:00
Thomas Harte
8fc043247c Fix column addressing in modes 6 and 7. 2023-03-04 21:39:00 -05:00
Thomas Harte
e58a488add Rotate command-engine addresses in modes 6 and 7. 2023-03-03 23:06:52 -05:00
Thomas Harte
0ea1da10d6 Attempt to generalise moving from CPU. 2023-03-03 21:40:48 -05:00
Thomas Harte
3381e6b5aa Switch to Duff's device. 2023-03-02 22:16:18 -05:00
Thomas Harte
4c1973adc8 Fill in missing rasterisers. 2023-03-01 23:19:33 -05:00
Thomas Harte
318cfab67d Attempt ongoing state for vertical on/off. 2023-02-28 22:28:14 -05:00
Thomas Harte
1ef34b1f18 Clarify meaning of STOP. 2023-02-26 14:28:24 -05:00
Thomas Harte
12bd71cfe1 Allow that the next interrupt line might be in the next frame. 2023-02-26 14:23:38 -05:00
Thomas Harte
c7128f4206 Reduce logging. 2023-02-26 14:01:23 -05:00
Thomas Harte
95fd5a52ba Use redirected palette in bitmap modes. 2023-02-26 13:59:17 -05:00
Thomas Harte
bfa167fcdf Make attempt at the TP background-colour bit. 2023-02-26 13:42:59 -05:00
Thomas Harte
b948761f30 Detect mode 2 collisions, albeit without proper reporting. 2023-02-25 10:42:44 -06:00
Thomas Harte
dd65074bbf Add named getters, resolving composition bug. 2023-02-25 10:32:47 -06:00
Thomas Harte
9debed25e8 Fix meaning of 'origin'. 2023-02-25 08:53:00 -06:00
Thomas Harte
1bdf9a50e6 Take a shot at Mode 2 sprite output. 2023-02-25 08:48:16 -06:00
Thomas Harte
2592dfd78f Pile on the TODOs. 2023-02-21 22:33:47 -05:00
Thomas Harte
ef5d05db53 Scale down new-mode coordinates; add note to self. 2023-02-21 22:28:39 -05:00
Thomas Harte
6a2cda7074 Pull out and partially generalise sprite output. 
This also provides the intended route to supporting Mode 2.
 2023-02-21 22:00:00 -05:00