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11,633 Commits 8 Branches 121 Tags 496 MiB
c7747ec5a0
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3403 Commits

Author SHA1 Message Date
Thomas Harte
c7747ec5a0 Remove a conditional from the hot path. 2024-04-29 22:16:06 -04:00
Thomas Harte
5a84e98256 Fix trans for instruction fetches. 2024-04-29 21:54:59 -04:00
Thomas Harte
dfaea5a922 Reduce floppy access cost. 2024-04-28 22:40:54 -04:00
Thomas Harte
f4da417c3a
Merge pull request #1366 from TomHarte/VIDCDelays 
Add various VIDC output latencies.
 2024-04-28 22:39:29 -04:00
Thomas Harte
fa7fff86eb Eject invalid specialisation. 2024-04-28 22:20:26 -04:00
Thomas Harte
d480f9eae2 Reinstate all missing video modes. 2024-04-28 21:49:04 -04:00
Thomas Harte
4f1aef90b8 Relocate pixel collection and cursor shifting. 2024-04-26 21:29:30 -04:00
Thomas Harte
24f4538eb7 Do faulty restoration of 4bpp mode. 2024-04-25 22:50:24 -04:00
Thomas Harte
38d096cad6 Begin new state machine, losing all non-cursor pixels. 2024-04-25 22:01:38 -04:00
Thomas Harte
b82af9c471 Fix vertical timing; don't miss border colour changes. 2024-04-24 20:47:11 -04:00
Thomas Harte
becb6ce2e0 Fix two more not-really-an-issue warnings. 2024-04-23 22:20:13 -04:00
Thomas Harte
265d151879 Fix data aborts. 2024-04-22 22:08:09 -04:00
Thomas Harte
c485097eed Fix bool combination. 2024-04-22 22:06:09 -04:00
Thomas Harte
f86e9fe086 Eliminate impossible conditional. 2024-04-22 21:58:49 -04:00
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
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
07984a2f8b Resolve various warnings. 2024-04-17 22:15:05 -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
fac94a5d36 Reduce MIPS. Until other performance issues can be resolved. 2024-04-16 22:32:00 -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
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
Thomas Harte
ffd298218c Tie off initial values; fix FIQ usage. 2024-04-07 21:58:16 -04:00
Thomas Harte
d2b077c573 Start wiring in a floppy controller. 2024-04-07 21:22:35 -04:00
Thomas Harte
547dc29a60 Remove done TODOs. 2024-04-07 15:53:42 -04:00
Thomas Harte
69aeca5c0e Aggregate mouse deltas where possible. 2024-04-06 21:24:21 -04:00
Thomas Harte
ed7cd4b277 Fix 8bpp output, all-modes cursor. 2024-04-06 20:58:44 -04:00
Thomas Harte
7bf831e1a6 Add missing 'override'. 2024-04-06 13:51:33 -04:00
Thomas Harte
0092cb8c36 Route enough to be able to mess around. 2024-04-06 13:44:05 -04:00