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82d03e3980
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Author SHA1 Message Date
Thomas Harte
82d03e3980
Merge pull request #1362 from TomHarte/ThreeStepPipeline 
Introduce some degree of an ARM pipeline.
 2024-04-19 19:41:46 -07:00
Thomas Harte
0775e3ad58 This is an 8-bit value. 2024-04-19 22:35:43 -04:00
Thomas Harte
ea3eef3817 Put interrupts into pipeline, without delay. 2024-04-19 22:21:23 -04:00
Thomas Harte
83eac172c9 Revoke in-pipeline interrupts. 
I'm unclear on what timing should apply here really.
 2024-04-19 21:46:09 -04:00
Thomas Harte
5b13d3e893 Attempt the prefetch portion of a pipeline. 2024-04-19 21:30:15 -04:00
Thomas Harte
807835b9fe
Merge pull request #1361 from TomHarte/Pipeline 
Provide hooks for implementing pipeline prefetch.
 2024-04-19 06:58:45 -07:00
Thomas Harte
4bf02122ee Fix disassembler. 2024-04-18 23:17:44 -04:00
Thomas Harte
e6c4454059 Provide a means for SWI interception. 2024-04-18 22:13:58 -04:00
Thomas Harte
d464ce831a Add did_set_pc. 2024-04-18 19:30:07 -04:00
Thomas Harte
018f0e097f
Merge pull request #1358 from TomHarte/ADFS-D 
Ensure ADFS-D discs are recognised.
 2024-04-17 23:06:49 -04:00
Thomas Harte
2acb853021
Merge pull request #1357 from TomHarte/EasyWins 
Improve MEMC speed.
 2024-04-17 22:47:04 -04:00
Thomas Harte
acd477df39 Ensure ADFS-D discs are recognised. 2024-04-17 22:44:55 -04:00
Thomas Harte
da520de9ef Further appease GCC. 2024-04-17 22:38:32 -04:00
Thomas Harte
e680a973b0 Appease GCC with a 'default'. 2024-04-17 22:17:24 -04:00
Thomas Harte
07984a2f8b Resolve various warnings. 2024-04-17 22:15:05 -04:00
Thomas Harte
16532136e9 Merge branch 'master' into EasyWins 2024-04-17 21:40:01 -04:00
Thomas Harte
30c2c65b77 Eliminate hot-path switch. 2024-04-17 21:36:39 -04:00
Thomas Harte
b63178132d Move trans tests inside switch. 2024-04-17 21:29:42 -04:00
Thomas Harte
6d66c90aad
Merge pull request #1356 from TomHarte/ArchimedesGUI 
Add macOS route to starting empty Archimedes.
 2024-04-17 21:26:03 -04:00
Thomas Harte
c807c75412 Revert version change. 2024-04-17 21:25:12 -04:00
Thomas Harte
f6feaddfe6 Add macOS route to starting empty Archimedes. 2024-04-17 20:44:45 -04:00
Thomas Harte
87d1a476a4
Merge pull request #1355 from TomHarte/Archimedes 
Add an inaccurate, basic Archimedes.
 2024-04-16 22:45:42 -04:00
Thomas Harte
f7337f2400
Adopt 50%:50% tables throughout. 2024-04-16 22:45:01 -04:00
Thomas Harte
fac94a5d36 Reduce MIPS. Until other performance issues can be resolved. 2024-04-16 22:32:00 -04:00
Thomas Harte
140228a936 Mildly reduce heft of scale read. 2024-04-16 22:31:40 -04:00
Thomas Harte
06fd91f002 Fix period, table lookup. 2024-04-16 22:12:10 -04:00
Thomas Harte
c3d4d0ee38 Introduce panning, threading. 2024-04-16 21:56:34 -04:00
Thomas Harte
30cca54e6c Diagnostically try for a square wave. 2024-04-13 22:10:34 -04:00
Thomas Harte
6ac6e48b95 Attempt audio output. 2024-04-13 21:54:50 -04:00
Thomas Harte
779794632e Generate volume ramp. 2024-04-13 20:23:47 -04:00
Thomas Harte
88bb16f261 Install proper filter frequency. 2024-04-13 15:34:39 -04:00
Thomas Harte
c134c7bdc2 Fix: signal is 'flyback', not sync. 2024-04-10 21:53:38 -04:00
Thomas Harte
6c6cda3db5 Use clocking hints. 2024-04-09 22:22:03 -04:00
Thomas Harte
a29f246536 Move to more natural position of ownership. 2024-04-09 22:10:07 -04:00
Thomas Harte
d9d675a74f Fix scan status scale. 2024-04-09 21:56:42 -04:00
Thomas Harte
d62ea95889 Make some intimation towards audio. 2024-04-09 21:53:40 -04:00
Thomas Harte
e2e951ad0b Fix layout. 2024-04-09 21:49:35 -04:00
Thomas Harte
a5a653d684 Factor vsync state into IO reads. 2024-04-09 21:49:00 -04:00
Thomas Harte
6123350895 Improve state guesswork. 2024-04-09 21:24:08 -04:00
Thomas Harte
ec73c00c3b Silence the routine stuff of interrupt masks. 2024-04-09 20:57:57 -04:00
Thomas Harte
dd24f5f4f3 Don't latch video addresses until almost the last minute. 2024-04-09 20:56:10 -04:00
Thomas Harte
82a2e802ea
Life's too short; just do it in HTML. 2024-04-08 23:11:22 -04:00
Thomas Harte
3b75eeb70a Try two divs. 2024-04-08 22:46:45 -04:00
Thomas Harte
ee4575b70f Attempt a div. 2024-04-08 22:45:41 -04:00
Thomas Harte
46a4ec1cb1 Reshuffle images. 2024-04-08 22:42:49 -04:00
Thomas Harte
8ab77a3260 Attempt to even out columns. 2024-04-08 22:39:14 -04:00
Thomas Harte
b875e349c1 Mention the Archimedes. 2024-04-08 22:34:08 -04:00
Thomas Harte
169298af42 Plumb through disk insertion. 
Surprisingly: some things now load.
 2024-04-08 21:15:40 -04:00
Thomas Harte
5e502df48b Forward motor and drive selection. 2024-04-07 22:29:00 -04:00
Thomas Harte
4f58664f97 Catch interrupt enables. 2024-04-07 22:08:12 -04:00