 Thomas Harte
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987a5dbfbf
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Honour monochrome flag.
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2023-12-06 13:15:17 -05:00 |
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Thomas Harte
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0bb74f405f
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Ensure lines are in-phase with the NTSC colour subcarrier.
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2023-12-06 13:12:58 -05:00 |
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Thomas Harte
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1aa168054e
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Add a phoney colour burst.
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2023-12-06 13:10:28 -05:00 |
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Thomas Harte
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6d7c6de32f
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Fix flush_pixels for 640px mode.
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2023-12-06 11:50:16 -05:00 |
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Thomas Harte
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d3021e8c90
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Attempt _something_ for 640px mode.
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2023-12-06 11:42:35 -05:00 |
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Thomas Harte
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6adaf89934
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Make first attempt at palette support.
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2023-12-06 11:19:04 -05:00 |
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Thomas Harte
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bf49f745bf
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Attempt to distinguish clocks.
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2023-12-06 10:41:20 -05:00 |
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Thomas Harte
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c5aa3fc75c
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Start mangling towards pixel output.
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2023-12-06 10:30:30 -05:00 |
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Thomas Harte
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d88c7ae148
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Switch to CGA as default.
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2023-12-06 09:59:21 -05:00 |
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Thomas Harte
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f455f07ba2
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Support half-clocked mode.
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2023-12-06 09:59:14 -05:00 |
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Thomas Harte
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561e50a24d
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Implement most of CGA text mode.
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2023-12-06 09:42:22 -05:00 |
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Thomas Harte
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2216fc37a1
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Add CGA font.
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2023-12-06 09:34:25 -05:00 |
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Thomas Harte
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23bdf0c2a2
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Add CGA font references.
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2023-12-06 09:34:04 -05:00 |
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Thomas Harte
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24eaf95e9d
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Limit to eight pixels per fetch, to produce stable video.
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2023-12-06 09:13:47 -05:00 |
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Thomas Harte
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e43f960934
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Produce incorrect output from proper clock; capture mode.
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2023-12-05 23:01:08 -05:00 |
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Thomas Harte
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fdd599e71a
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Unify CRTC routing.
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2023-12-05 23:00:43 -05:00 |
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Thomas Harte
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84ee683ad3
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Remove redundant, false comment.
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2023-12-05 23:00:21 -05:00 |
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Thomas Harte
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b2b05b590f
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Clone the MDA class to CGA.
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2023-12-05 22:37:33 -05:00 |
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Thomas Harte
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c5ec9ae171
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Adjust MDA clock; it's slightly slower than my guess.
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2023-12-05 22:31:37 -05:00 |
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Thomas Harte
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5576588c2d
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Fix drive enables, go back to FF for non-existent ports.
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2023-12-05 22:02:41 -05:00 |
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Thomas Harte
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084efdeb2d
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Resolve further type conversion warnings.
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2023-12-05 16:54:11 -05:00 |
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Thomas Harte
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fd8afb6668
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Devolve memory location and font ROM decision.
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2023-12-05 16:46:39 -05:00 |
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Thomas Harte
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dd04909d58
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Resolve some further warnings.
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2023-12-05 16:43:55 -05:00 |
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Thomas Harte
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736a3841ce
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Wire up adaptor selection.
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2023-12-05 16:42:55 -05:00 |
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Thomas Harte
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bdf9c4765b
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Loosen the assumption of MDA.
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2023-12-05 16:38:09 -05:00 |
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Thomas Harte
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6659a1dec5
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Exit on EOP.
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2023-12-05 15:37:25 -05:00 |
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Thomas Harte
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f97e6095df
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Adjust option name.
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2023-12-05 15:26:32 -05:00 |
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Thomas Harte
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23c60ae9bc
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Supply video adaptor type.
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2023-12-05 15:19:58 -05:00 |
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 Thomas Harte
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dc7ba11dff
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Merge pull request #1246 from ryandesign/DidNotLoad
Disk II: Don't overwrite data bus when not asked to
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2023-12-05 15:01:23 -05:00 |
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Thomas Harte
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6c0a746470
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Merge pull request #1248 from TomHarte/FAT12Analyser
Add something of a FAT12 analyser.
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2023-12-05 14:58:18 -05:00 |
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Thomas Harte
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c78a2c71d7
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Merge pull request #1247 from ryandesign/ci
CI improvements
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2023-12-05 14:57:56 -05:00 |
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Thomas Harte
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4265455c31
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Unify DMA interface.
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2023-12-05 14:52:14 -05:00 |
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Thomas Harte
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0bcb17985b
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Eliminate further warnings.
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2023-12-05 14:44:20 -05:00 |
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Thomas Harte
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711575bf69
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Avoid having two PC targets.
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2023-12-05 14:18:10 -05:00 |
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 Ryan Carsten Schmidt
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2ee062ea9e
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Rename workflow to Build
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2023-12-05 12:11:22 -06:00 |
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Ryan Carsten Schmidt
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452e32ca4e
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Add macOS build job to workflow
Closes #1244
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2023-12-05 12:10:35 -06:00 |
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Ryan Carsten Schmidt
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54f25b3e4e
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Split workflow step commands onto two lines
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2023-12-05 12:10:35 -06:00 |
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Ryan Carsten Schmidt
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b1b4404b48
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Use checkout@v4 in workflow
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2023-12-05 12:10:35 -06:00 |
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Ryan Carsten Schmidt
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d1bfbac59e
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Rename workflow job step to Checkout
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2023-12-05 12:10:34 -06:00 |
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Ryan Carsten Schmidt
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0a45e26c50
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Rename workflow job to Build SDL UI
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2023-12-05 12:10:34 -06:00 |
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Thomas Harte
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40de0189d9
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Add some notes to self (now and future).
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2023-12-05 12:50:53 -05:00 |
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Thomas Harte
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7ca9a0841f
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Add a text search to recognise common boot sectors.
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2023-12-05 12:24:53 -05:00 |
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Ryan Carsten Schmidt
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01cf7462d5
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Disk II: Don't overwrite data bus when not asked to
Return DidNotLoad rather than 0xff from read_address on odd-numbered
addresses so that the data bus is not overwritten with 0xff on those
accesses.
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2023-12-05 10:03:52 -06:00 |
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Thomas Harte
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2d75fbe1bf
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Add nonfunctional FAT12 analyser.
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2023-12-05 10:46:06 -05:00 |
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Thomas Harte
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e9420fc48d
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Merge pull request #1245 from TomHarte/MDANoCursor
MDA: implement no cursor, blink attribute.
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2023-12-04 22:10:12 -05:00 |
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Thomas Harte
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9601c69e12
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Implement blinking text.
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2023-12-04 22:02:38 -05:00 |
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Thomas Harte
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790e744bde
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Merge pull request #1239 from ryandesign/sense-write-protect
Fix Disk II sense-write-protect clocking preference
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2023-12-04 21:47:26 -05:00 |
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Thomas Harte
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9f65587a1d
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Correct scan status scaling; rearrange FDC marginally.
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2023-12-04 21:46:03 -05:00 |
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Thomas Harte
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b0d1dedb65
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Support MDA control: display enable.
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2023-12-04 16:34:46 -05:00 |
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Thomas Harte
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8103f8e682
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Switch interpretation to support cursor on/off.
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2023-12-04 15:54:56 -05:00 |
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