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Code Issues Projects Releases Wiki Activity
10,756 Commits 8 Branches 121 Tags 496 MiB
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372 Commits

Author SHA1 Message Date
Thomas Harte
224c79c492 Move state. 2023-04-06 00:05:19 -04:00
Thomas Harte
278e7ba9b0 Take ownership of test choice. 2023-04-05 23:33:42 -04:00
Thomas Harte
20c1c6fdcd Add sanity check on sprite fetches versus draws. 2023-04-03 22:46:49 -04:00
Thomas Harte
514022204e Attempt to avoid lingering sprite elements. 2023-04-02 22:45:02 -04:00
Thomas Harte
564ee1a5cb Fix sprites on first line of display. 2023-03-30 23:45:19 -04:00
Thomas Harte
f3c2c0ffa9 Synchronise fetch and draw sprite buffer usage. 2023-03-30 19:11:00 -04:00
Thomas Harte
931d2373a4 Attempt to make outer loop sole owner of line/sprite buffer selection. 2023-03-30 00:20:03 -04:00
Thomas Harte
de3cd9c286 Simplify namespace declaration. 2023-03-25 23:22:34 -04:00
Thomas Harte
655638656f Elide the two fills; fix address masking. 2023-03-21 20:05:34 -04:00
Thomas Harte
2bf2abf4b2 Be more overt about masking. 2023-03-19 23:00:41 -04:00
Thomas Harte
235d54bb67 Attempt but retreat from proper treatment of width. 2023-03-18 23:13:06 -04:00
Thomas Harte
e66a92d6cb Fill in and use some parts of mode description. 2023-03-18 23:07:33 -04:00
Thomas Harte
a6251f436a Provide commands with [unpopulated] mode parameters. 2023-03-18 13:39:47 -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
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
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
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
Thomas Harte
62d381065e Change 9938 identification number. 2023-02-21 19:35:11 -05:00
Thomas Harte
091c1b0f45 Correct sprite attribute and colour table addresses. 2023-02-21 19:34:26 -05:00
Thomas Harte
a28b5bdeea Only on the Sega are line interrupts disabled by a read of S#0. 2023-02-20 23:43:23 -05:00
Thomas Harte
2e45422b03 Make a further attempt at sprite colour. 2023-02-20 22:39:34 -05:00
Thomas Harte
3606f5befe Add expansion RAM to command engine, as far as it goes. 2023-02-20 22:32:36 -05:00
Thomas Harte
44ac948bb2 Add expansion RAM, albeit not yet into the command engine. 2023-02-20 22:27:30 -05:00
Thomas Harte
4bac782121 One final (?) time with colour. 2023-02-19 22:15:59 -05:00
Thomas Harte
318109b7d5 Try again with colour. 2023-02-19 22:14:18 -05:00
Thomas Harte
6990ba9242 Fetch colour from before attribute table. 2023-02-19 22:10:22 -05:00
Thomas Harte
54be424159 Include sprite index in SpriteY event. 2023-02-19 22:04:38 -05:00
Thomas Harte
8d900cf636 Attempt a full collection of Mode 2 sprite properties. 2023-02-19 21:52:10 -05:00
Thomas Harte
6db939f48f Create a dedicated sprite fetcher. 2023-02-19 21:37:24 -05:00
Thomas Harte
5eae11434a Sprite mode 2: select sprites, fetch locations and names. 2023-02-18 22:56:05 -05:00
Thomas Harte
7aa8728b39 Reimagine G3 for sprite mode 2. 2023-02-18 21:50:12 -05:00
Thomas Harte
270c5dfe85 Eliminate data_block_ entirely. 2023-02-18 21:41:22 -05:00
Thomas Harte
d6e4f12fdc Merge DataBlock and Pattern. 2023-02-18 21:34:09 -05:00
Thomas Harte
4e3e4806b9 Eliminate assert; events have overtaken this. 2023-02-17 23:01:42 -05:00
Thomas Harte
ebc596820e Obtain the background graphics, at least, for G3. 2023-02-17 22:47:15 -05:00
Thomas Harte
b62e899039 Avoid need for shortcuts. 2023-02-17 22:34:52 -05:00
Thomas Harte
a123ef151c Eliminate further magic ORs. 2023-02-17 22:31:21 -05:00
Thomas Harte
5b31db700b Deduplicate 40-column text fetching. 2023-02-17 22:23:10 -05:00
Thomas Harte
8af0a2313c Formally distinguish fetchers and sequencing. 2023-02-17 22:20:38 -05:00
Thomas Harte
88eaa4ff02 [Mostly] avoid magic address constants; avoid duplication of TMS fetching logic. 2023-02-17 21:59:39 -05:00
Thomas Harte
c140f370fe Attempt to copy and paste my way to working type-1 sprites. 2023-02-16 22:46:19 -05:00
Thomas Harte
023da1970a Label all character events with IDs. 2023-02-16 22:21:24 -05:00
Thomas Harte
211e145230 Make room for an ID field on Event. 2023-02-16 22:10:16 -05:00
Thomas Harte
bbccc5d6d6 Route other holdover TMS modes through the Yamaha logic. 2023-02-16 22:07:18 -05:00
Thomas Harte
dbfc9a14aa Introduce SMS fetcher, eliminating all macros. 2023-02-16 22:01:20 -05:00
Thomas Harte
9630a1bc39 Use a fetcher for character modes. 2023-02-16 13:15:18 -05:00
Thomas Harte
3847c9c281 Add missing underscore. 2023-02-15 21:22:51 -05:00
Thomas Harte
3f2a5929a3 Consolidate text output and support blinking; add sprites-enabled flag. 2023-02-15 20:18:56 -05:00
Thomas Harte
9b71f42375 Collect colours. 2023-02-14 21:18:10 -05:00
Thomas Harte
9c43776392 Fix 80-column address generation. 2023-02-14 21:14:35 -05:00
Thomas Harte
35a0a1447e Further clarify different usages of storage. 2023-02-14 20:23:17 -05:00
Thomas Harte
bf0ed2813c Make faulty attempt at 80-column text. 2023-02-14 20:13:51 -05:00
Thomas Harte
5c7367b262 Route Yamaha 40-column text mode appropriately. 2023-02-13 22:24:39 -05:00
Thomas Harte
c1457cc5e0 Attempt text mode data collection. 2023-02-13 22:20:47 -05:00
Thomas Harte
169d7a7418 Fix[/revert]: the fetch pointer should be _ahead_. 2023-02-13 21:10:14 -05:00
Thomas Harte
5143960970 Add notes to self on how to collect text. 2023-02-13 21:09:31 -05:00
Thomas Harte
40894964bc Move VerticalState to live with ScreenMode and FetchMode. 2023-02-13 09:54:29 -05:00
Thomas Harte
927e61484f Map all events lists appropriately. 2023-02-12 23:02:51 -05:00
Thomas Harte
dce04e7219 Add a generator for character modes. 2023-02-12 22:54:08 -05:00
Thomas Harte
f5814b4c75 Add text-mode events list. 2023-02-12 22:45:11 -05:00
Thomas Harte
815a75d9b6 Extend generator to handle sprite collection. 2023-02-12 22:28:34 -05:00
Thomas Harte
4ad84e5047 Use generator for no-sprite events list. 2023-02-12 22:12:23 -05:00