Ryan Carsten Schmidt
afc62f3d94
Fix typo in comment in AppleDSK.hpp
2023-11-28 22:09:35 -06:00
Thomas Harte
b07cc5c2ec
Merge pull request #1219 from TomHarte/68000TemplatedPerform
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Sometimes provide 68000 bus operations at compile time.
2023-11-27 21:54:24 -05:00
Thomas Harte
36a4629ce0
Explain new semantics.
2023-11-27 21:49:57 -05:00
Thomas Harte
87eec47b79
Mildly reduce cost of 8-byte ROM overlay.
2023-11-27 15:48:30 -05:00
Thomas Harte
2a0375e9c2
Mildly adjust layout of inner loop.
2023-11-27 15:16:22 -05:00
Thomas Harte
032eeb4757
Eliminate runtime switch.
2023-11-27 14:57:41 -05:00
Thomas Harte
5c7f94d2ef
Introduce the possibility of operation type as a template parameter.
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It's already proven possible to provide this for instruction fetch, so I think it'll immediately be a win. But more importantly it opens a path forwards for further improvement.
2023-11-27 11:48:34 -05:00
Thomas Harte
ed31cfd80a
Merge pull request #1216 from TomHarte/ReduceNoise
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Limit extraneous printing.
2023-11-23 23:05:46 -05:00
Thomas Harte
89423f28ef
Limit extraneous printing.
2023-11-23 22:47:31 -05:00
Thomas Harte
593c32f621
Merge pull request #1215 from TomHarte/PCKeyboard
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Attempt to implement the XT keyboard controller.
2023-11-23 22:26:09 -05:00
Thomas Harte
019d987623
Clear buffer on read.
2023-11-23 22:16:08 -05:00
Thomas Harte
7e8020df59
Avoid a spurious initial interrupt.
2023-11-23 22:15:20 -05:00
Thomas Harte
44d602e0f6
Seriously attempt a keyboard controller.
2023-11-23 22:10:51 -05:00
Thomas Harte
0674da0325
Flip IRQ priority.
2023-11-23 15:41:24 -05:00
Thomas Harte
113fc9f757
Add further TODO.
2023-11-23 15:29:43 -05:00
Thomas Harte
2c31452629
Add TODO, as exposition.
2023-11-23 15:19:31 -05:00
Thomas Harte
505df78108
Add column duplication, switch to green.
2023-11-23 15:18:28 -05:00
Thomas Harte
d92d0e87ac
Honour MDA attributes.
2023-11-23 14:51:32 -05:00
Thomas Harte
df9e9c2c4d
Start accumulating notes.
2023-11-22 15:21:45 -05:00
Thomas Harte
b3c07b76ee
Merge pull request #1214 from TomHarte/MDAOutput
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Add basic MDA text output.
2023-11-22 15:04:21 -05:00
Thomas Harte
e0f72f2048
Tidy up.
2023-11-22 14:18:58 -05:00
Thomas Harte
825f3184eb
Explain provenance.
2023-11-22 14:18:50 -05:00
Thomas Harte
a293a3a816
Document the future.
2023-11-22 14:14:53 -05:00
Thomas Harte
b22b489380
Mask into 4kb; I don't know whether hardware scrolling is in use.
2023-11-22 14:12:57 -05:00
Thomas Harte
231de8440e
Add text display.
2023-11-22 14:11:22 -05:00
Thomas Harte
8993a9c4c1
Import MDA font.
2023-11-22 14:04:26 -05:00
Thomas Harte
381537fde9
Get as far as MDA being able to fetch.
2023-11-22 13:52:28 -05:00
Thomas Harte
f249e4ada6
Maintain an actual pixel buffer.
2023-11-22 13:40:50 -05:00
Thomas Harte
12179e486f
Create a solid white rectangle.
2023-11-22 13:18:39 -05:00
Thomas Harte
80b2ccd418
Attempt to wire in a CRTC.
2023-11-22 12:53:09 -05:00
Thomas Harte
2af6259963
Merge pull request #1213 from TomHarte/PITClock
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Standardise on the PIT clock as the definition of time.
2023-11-21 22:51:14 -05:00
Thomas Harte
24d0caf8e7
Fix Swift conditionality.
2023-11-21 22:48:26 -05:00
Thomas Harte
1828a10885
Use less branchy inner loop.
2023-11-21 22:42:53 -05:00
Thomas Harte
bcd4a2216a
Improve clocking.
2023-11-21 22:36:11 -05:00
Thomas Harte
3da3401125
Attempt full audio output.
2023-11-21 22:28:33 -05:00
Thomas Harte
972d1d1ddd
Add audio pipeline.
2023-11-21 22:11:32 -05:00
Thomas Harte
0344af986c
Try to avoid having to edit this constantly.
2023-11-21 22:02:36 -05:00
Thomas Harte
6329a1208a
Adopt PIT-centric timing.
2023-11-21 22:02:24 -05:00
Thomas Harte
c11d3b61d6
Merge pull request #1209 from TomHarte/SupportChipsAplenty
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Add various other PC chips into the mix.
2023-11-21 21:53:29 -05:00
Thomas Harte
375a9f9ff5
Pull out the PIC, DMA.
2023-11-21 15:50:38 -05:00
Thomas Harte
a1e118a1ff
Do some interrupt work.
2023-11-21 15:46:31 -05:00
Thomas Harte
83ca9b3af5
Hack in some MDA text logging. Boot seems to complete?
2023-11-21 11:37:36 -05:00
Thomas Harte
acdf32e820
Handle low/high switches.
2023-11-21 11:25:53 -05:00
Thomas Harte
931e6e7a56
Add, disable, logging detritus.
2023-11-21 11:19:47 -05:00
Thomas Harte
058080f6de
Prove to my caveman self that no text is being written.
2023-11-20 23:11:27 -05:00
Thomas Harte
c4e9f75709
Edge towards but don't quite reach interrupt.
2023-11-20 22:52:20 -05:00
Thomas Harte
695282b838
PIT output now reaches the PIC.
2023-11-20 22:36:05 -05:00
Thomas Harte
f0e2ef5e28
Attempt to implement square-wave mode.
2023-11-20 22:19:18 -05:00
Thomas Harte
ee6012f6e9
Evict the PIT.
2023-11-20 19:00:16 -05:00
Thomas Harte
d3e90ce006
Capture some basics.
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BIOS now seems to get as far as expecting channel 0 to trigger an interrupt, which never comes.
2023-11-20 15:36:52 -05:00