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11,029 Commits 3 Branches 145 Tags
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158 Commits

Author SHA1 Message Date
Thomas Harte 8a673a697b Further adapt internal terminology. 2023-01-27 12:30:09 -05:00
Thomas Harte d42b6df570 Retain extra pattern name address bits. 2023-01-27 06:44:11 -05:00
Thomas Harte 81b00c6d97 Add notes. 2023-01-26 22:25:10 -05:00
Thomas Harte 1e5f751bc0 Require STOP in order to stop. 2023-01-26 22:08:36 -05:00
Thomas Harte 9a65fffe16 That's PSET, not POINT. 2023-01-26 22:02:40 -05:00
Thomas Harte 515fa22bfe Implement point. 2023-01-26 21:52:41 -05:00
Thomas Harte 66ac089cc2 Deallocate. 2023-01-26 21:49:32 -05:00
Thomas Harte 5d5098acb2 Hack in vertical scrolling. 2023-01-26 21:38:51 -05:00
Thomas Harte 75acbd2d6c A quick hack shows some part of the MSX logo. 2023-01-26 21:31:49 -05:00
Thomas Harte 1c6a0ad3f7 Clean up repetition. 2023-01-26 19:51:56 -05:00
Thomas Harte fbfa26ad5e Minor steps towards implementing Line. 2023-01-26 12:55:08 -05:00
Thomas Harte b12fd00145 Generate an appropriate instance for line drawing. 2023-01-26 12:09:06 -05:00
Thomas Harte 0c8815d6a0 Retain command-engine context. 2023-01-26 11:59:27 -05:00
Thomas Harte 700470915a Add pixel serialisation for Yamaha graphics mode 5. 2023-01-24 23:07:29 -05:00
Thomas Harte 63bd0f918d Be overt about buffer target and vertical position. 2023-01-24 12:46:09 -05:00
Thomas Harte 7293f9dc10 Remove extraneous brackets, add comment to self. 2023-01-23 22:25:56 -05:00
Thomas Harte 8567c934b1 Ensure Yamaha refresh program is used. 2023-01-22 22:11:01 -05:00
Thomas Harte 91047e5b3a Start attempting to use table-based Yamaha fetch. 2023-01-22 22:00:28 -05:00
Thomas Harte a5765abbad Route into the Yamaha fetcher. 
Albeit that it doesn't yet fetch.
 2023-01-21 22:47:16 -05:00
Thomas Harte 696ec12516 Add address rotation for applicable modes. 2023-01-21 22:33:26 -05:00
Thomas Harte c9734df65c Implement extended colour, sprite and RAM pointers. 2023-01-21 20:45:23 -05:00
Thomas Harte 13e490e7d7 Log selected screen mode. 2023-01-21 14:48:55 -05:00
Thomas Harte cefcc1d443 Expand Yamaha graphics mode recognition. 2023-01-21 14:35:26 -05:00
Thomas Harte d1f929e6f7 Just do a multiply and divide. Easy. 2023-01-21 14:19:52 -05:00
Thomas Harte e289e6e757 Catch and map Yamaha palette entries. 
It's one less thing in the uncaptured log.
 2023-01-21 14:12:46 -05:00
Thomas Harte a726c9d97a Enable indirect register writes. 2023-01-20 23:14:57 -05:00
Thomas Harte c77e7c268f 1 = disable, 0 = enable. 2023-01-20 23:08:41 -05:00
Thomas Harte 9c57bfd58d Attempt to log dropped indirect writes. 2023-01-20 23:07:14 -05:00
Thomas Harte 4efda108c6 Transcribe the Yamaha 9938 register meanings. 2023-01-20 23:00:33 -05:00
Thomas Harte 191cf4829b Attempt real blank reporting. 2023-01-20 22:29:49 -05:00
Thomas Harte 9b7a925816 Give clearer names to the two pointers. 2023-01-20 20:29:15 -05:00
Thomas Harte 392b0acb58 Pull everything out of master_system_ struct. 
Now that it's inherently collected in the relevant `Storage`.
 2023-01-19 15:09:16 -05:00
Thomas Harte 4b7606894e Move Master System state, and start simplifying. 2023-01-19 14:09:31 -05:00
Thomas Harte 1fb94d15ab No need for this-> ugliness in Base methods. 2023-01-19 12:32:42 -05:00
Thomas Harte 348c42bdea Start trying to bluff my way through extended status. 2023-01-18 22:23:19 -05:00
Thomas Harte e450e53c4e Temporarily copy and paste my way to further logging. 2023-01-18 14:59:30 -05:00
Thomas Harte 355ee7fbc7 Adjust factoring of read and write per expanded V9938 scope. 2023-01-18 12:36:57 -05:00
Thomas Harte fd14829992 Avoid hand-writing all the various conversions. 2023-01-09 22:34:56 -05:00
Thomas Harte ef67205ce8 Set pixel count per mode. 2023-01-08 21:31:00 -05:00
Thomas Harte 794adf470b Break assumption that cycles = pixels; fix pixel clocking. 2023-01-08 21:25:22 -05:00
Thomas Harte 8cc20844a9 Clock convert for draw_ calls. 2023-01-08 17:31:08 -05:00
Thomas Harte b522d65c50 Fix border lengths. 2023-01-08 17:04:19 -05:00
Thomas Harte cb19c2ffb0 Honour internal-clocked timing constants. 2023-01-08 14:10:06 -05:00
Thomas Harte 5f6ddf8557 Avoid expressing the same thing at different clock rates. 2023-01-08 13:58:12 -05:00
Thomas Harte 72e0bfecc1 Edge towards clock-independent line composition. 2023-01-07 14:57:32 -05:00
Thomas Harte cdf547ac82 Decline to provide synthetic text mode timing on the Mega Drive. 2023-01-07 14:37:06 -05:00
Thomas Harte dd5b4b484a Avoid double responsibility for state. 2023-01-07 14:34:33 -05:00
Thomas Harte 56831e02fc Expand fixed timing constants. 2023-01-07 13:10:51 -05:00
Thomas Harte 5d2d3944ef Make VRAM access delay a timing property. 2023-01-07 12:48:43 -05:00
Thomas Harte f9e21df701 Avoid further hard-coded 342s. 2023-01-07 09:13:34 -05:00