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10,054 Commits 8 Branches 121 Tags 496 MiB
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Author SHA1 Message Date
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
1edf747f9f Avoid flushes for video output changes. 2023-02-14 20:13:34 -05:00
Thomas Harte
f38cf91ea7 Add attempt to detect improper usage. 2023-02-14 20:13:16 -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
Thomas Harte
8665dca7f0 Permit generator-based event-table generation. 2023-02-12 21:58:50 -05:00
Thomas Harte
41d57e03a6 Split out LineBuffer and Storage to make 9918Base more manageable. 2023-02-12 12:58:46 -05:00
Thomas Harte
914a9e0c84 Yamaha: don't touch address at all unless a RAM access. 2023-02-11 22:43:29 -05:00