Jaklyy
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22f1b4d90c
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theoretically improve dma responsiveness?
in practice seems to make no difference...
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2024-12-20 20:10:23 -05:00 |
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Jaklyy
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98d0a6b371
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fix gxfifo stalls being borked under certain circumstances
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2024-12-20 10:42:34 -05:00 |
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Jaklyy
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e0ac68c9f2
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Reapply "improve dma accuracy slightly"
This reverts commit 14c765d5ed.
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2024-12-20 10:00:47 -05:00 |
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Jaklyy
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40527f8897
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remove leftover junk, fix an error with resets
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2024-12-20 09:49:38 -05:00 |
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Jaklyy
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dd857e89ef
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fix an oversight
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2024-12-20 00:33:08 -05:00 |
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Jaklyy
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6897e4a8be
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rework card read timings
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2024-12-19 21:55:50 -05:00 |
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Jaklyy
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14c765d5ed
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Revert "improve dma accuracy slightly"
apparently it completely broke sm64ds for some reason
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2024-12-19 21:54:37 -05:00 |
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Jaklyy
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0686523543
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card reads are "double buffered"
means they can fetch a word in the background while a word is still waiting to be read.
Thanks Gericom!
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2024-12-19 16:54:12 -05:00 |
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Jaklyy
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4493634a5b
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improve dma accuracy slightly
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2024-12-19 15:39:16 -05:00 |
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Jaklyy
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4a598294a5
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clean up a few errors
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2024-12-17 23:29:47 -05:00 |
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Jaklyy
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6ef7a337cb
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small optimization to main ram dma
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2024-12-17 11:07:37 -05:00 |
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Jaklyy
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0a5499cb19
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fix wrong "running" variable being updated during 16 bit main ram dmas
this probably fixes something
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2024-12-17 11:02:41 -05:00 |
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Jaklyy
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e3c8746229
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fix a bug preventing main ram dmas from doing their first cycle properly
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2024-12-16 20:50:39 -05:00 |
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Jaklyy
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cacf891330
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Revert "run arm 7 first?"
Caused performance issues in games???
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2024-12-16 13:13:45 -05:00 |
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Jaklyy
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d383381260
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ONLY queue missed gamecard dmas
gxfifo dma did not like that prior fix
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2024-12-16 13:02:56 -05:00 |
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Jaklyy
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6d0ab97612
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fix gamecard dma breaking w/ main ram contention
main ram dma on the arm9 is officially fully operational.
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2024-12-16 12:33:13 -05:00 |
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Jaklyy
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7590c48471
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Revert "revert arm9 main ram dma again (again (again))"
This reverts commit c90f10d056.
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2024-12-16 11:45:14 -05:00 |
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Jaklyy
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67198a72bd
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why did i remove that
This reverts commit 45be951a0f.
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2024-12-16 10:32:33 -05:00 |
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Jaklyy
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5c5f4364db
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run arm 7 first?
it's faster...?
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2024-12-16 10:20:10 -05:00 |
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Jaklyy
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c90f10d056
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revert arm9 main ram dma again (again (again))
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2024-12-16 10:19:51 -05:00 |
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Jaklyy
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29421f1d27
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re-enable mainram dma
it's not bugged, it's also not inaccurate.
something else is the issue...
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2024-12-16 09:23:54 -05:00 |
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Jaklyy
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e77c2011bc
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slightly optimize main loop
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2024-12-15 22:02:41 -05:00 |
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Jaklyy
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c40efab62f
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revert main ram dma
broke stuff
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2024-12-15 22:01:44 -05:00 |
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Jaklyy
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c96b49e9cd
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Revert "improve(?) irq handling"
This reverts commit 443ecb313d.
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2024-12-15 21:48:27 -05:00 |
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Jaklyy
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93242e1189
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revert most scheduler changes
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2024-12-15 21:48:22 -05:00 |
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Jaklyy
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443ecb313d
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improve(?) irq handling
...i dont think this fixes anything
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2024-12-15 20:51:13 -05:00 |
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Jaklyy
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45be951a0f
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this should be smarter
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2024-12-15 18:48:35 -05:00 |
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Jaklyy
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db1991276a
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tweak scheduling to be a little less gross
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2024-12-15 18:40:21 -05:00 |
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Jaklyy
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5b07765eb5
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misc tweaks to dma
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2024-12-15 10:42:52 -05:00 |
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Jaklyy
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2247f17f4f
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implement a main ram burst restart behavior
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2024-12-15 06:34:36 -05:00 |
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Jaklyy
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d912429d8c
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comment out some replaced stuff
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2024-12-14 23:36:28 -05:00 |
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Jaklyy
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c902dcfc98
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improve main ram dma timings
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2024-12-14 23:23:00 -05:00 |
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Jaklyy
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2051d412d1
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implement MR cont. for arm7 dma; also a hack?
the hack is to make arm9 dma contention work with prior improvements to synchronization
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2024-12-14 17:17:44 -05:00 |
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Jaklyy
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4ea0e60e18
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minor fix(?)
this should fix something?
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2024-12-14 13:32:54 -05:00 |
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Jaklyy
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5e945669f5
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hopefully reduce desync potential a little?
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2024-12-14 10:45:08 -05:00 |
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Jaklyy
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610ac2491a
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disable main ram contention for arm9 dma
caused innumerable issues
will need a more comprehensive rewrite later
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2024-12-14 09:38:02 -05:00 |
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Jaklyy
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ac1d790d7e
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fix the system timestamp being run wayyyy too fast
oh no that was covering up SO many bugs hhhhsdfghhg
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2024-12-14 00:15:17 -05:00 |
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Jaklyy
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a445c0d32c
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this makes a bit more sense
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2024-12-13 22:08:34 -05:00 |
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Jaklyy
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cce5070077
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probably not any faster
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2024-12-13 21:32:15 -05:00 |
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Jaklyy
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456d07da03
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unbork gxfifo stalls
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2024-12-13 15:35:44 -05:00 |
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Jaklyy
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642f085975
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probably unborks gxfifo stalls
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2024-12-13 13:15:38 -05:00 |
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Jaklyy
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73be2f3e01
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tweak dmas to be more accurate (actually less?)
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2024-12-13 13:09:42 -05:00 |
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Jaklyy
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d341260e5a
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dma rewrite 1
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2024-12-10 21:23:02 -05:00 |
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Jaklyy
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feb1cd562d
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clarify some more write buffer details
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2024-12-10 12:04:43 -05:00 |
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Jaklyy
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96c8f67d5f
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implement bit 10 of exmemcnt
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2024-12-10 08:04:00 -05:00 |
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Jaklyy
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b048e0cbfd
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improve ExMemCnt handling and defaults
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2024-12-09 19:30:47 -05:00 |
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Jaklyy
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8382769073
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fix a main loop freeze; exmemcnt bit 15 starts set
fixes twilight menu
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2024-12-09 15:52:50 -05:00 |
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Jaklyy
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52e14612b1
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probably faster to directly access main ram?
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2024-12-09 12:25:23 -05:00 |
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Jaklyy
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0111ee7fac
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micro-optimization
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2024-12-09 11:11:24 -05:00 |
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Jaklyy
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918df047b8
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cache line boundary align condition lut table
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2024-12-09 10:03:47 -05:00 |