Thomas Harte
eeb161ec51
Converts the prefetch queue into a 32-bit quantity.
2019-03-19 21:33:52 -04:00
Thomas Harte
21cb7307d0
Adds MOVE #, Dn and MOVEA An, An.
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As well as the scheduling for `(d16,PC), Dd` and `MOVE (d8,As,Xn), Dd` other than the .ls.
2019-03-19 11:53:37 -04:00
Thomas Harte
412a1eb7ee
Takes an initial run at (An)+, -(An), (d16,An) and (d8,An,Xn) addressing modes.
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With only MOVEs from those to a data register implemented so far.
2019-03-18 22:51:32 -04:00
Thomas Harte
1d801acf72
Switched to a better ABCD fix.
2019-03-17 22:04:32 -04:00
Thomas Harte
0d7bbdad54
Begins a basic get/set state API, allowing some actual unit tests, implying an ABCD fix.
2019-03-17 21:57:00 -04:00
Thomas Harte
53b3d9cf9d
Implements a few more MOVE variants, plus MOVEA.
2019-03-17 14:34:16 -04:00
Thomas Harte
c3ebbfb10e
Implements all MOVE Dn, Dn.
2019-03-16 23:14:18 -04:00
Thomas Harte
58f035e31a
Makes error more communicative.
2019-03-16 23:05:12 -04:00
Thomas Harte
a8f1d98d40
Small further adjustments; seems likely to be correct now.
2019-03-16 23:01:56 -04:00
Thomas Harte
cf6fa98433
Corrects detection of terminal micro-ops.
2019-03-16 22:50:44 -04:00
Thomas Harte
937b3ca81d
Attempts properly to honour the bus-op and microcycle contract.
2019-03-16 22:36:09 -04:00
Thomas Harte
d0c5cf0d2d
Starts attempting to kill the need to prepare all bus step sequences in advance.
2019-03-16 21:47:46 -04:00
Thomas Harte
4cbf2bef82
By way of a friend, clears a bunch of transient stuff out of 68000Storage.hpp.
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As, even if not in the programmer's eye, this does affect recompilation times.
2019-03-16 19:41:07 -04:00
Thomas Harte
388d808536
Switches to providing UDS and LDS implicitly via address.
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Also makes sure that the difference between a non-data cycle that starts without the address strobe active and one that starts with it active can be discerned.
2019-03-16 17:54:58 -04:00
Thomas Harte
720aba3f2d
Adds an implementation of SBCD and slightly neatens syntax for building programs.
2019-03-14 21:22:02 -04:00
Thomas Harte
f9101de956
This might very well be the 68000's first real gasp: performing an ABCD.
2019-03-14 19:32:15 -04:00
Thomas Harte
bb04981280
I'm still dithering on address management, but this seeks fully to implement ABCD and SUBD bus programs.
2019-03-13 21:08:13 -04:00
Thomas Harte
57898ed6dd
This is where my thinking now resides. Two levels of indirection, and consolidated collections.
2019-03-12 22:46:31 -04:00
Thomas Harte
33b53e7605
Settles upon disassembly as the route in, and begins work in that direction.
2019-03-11 22:47:58 -04:00
Thomas Harte
9e8928aad9
Implements as much as I currently care about of the Atari ST memory map.
2019-03-11 22:47:37 -04:00
Thomas Harte
89c71f9119
Introduces EmuTOS, and starts constructing test cases around it.
2019-03-10 18:40:12 -04:00
Thomas Harte
a4f6db6719
Removes ArrayBuilderTests as the ArrayBuilder is long gone. Disables TIA tests for now.
2019-03-10 18:07:23 -04:00
Thomas Harte
2d8e65ea32
Merge branch 'master' into 68000
2019-03-10 17:56:58 -04:00
Thomas Harte
48d1d27067
Merge pull request #612 from TomHarte/HighPrecisionTimer
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Sketches a high-precision timer class.
2019-03-10 17:47:20 -04:00
Thomas Harte
98aa597510
A theoretical 68000 could now perform its /RESET. That's all though.
2019-03-10 17:42:13 -04:00
Thomas Harte
de56d48b2f
Embraces a more communicative 68000 bus.
2019-03-10 17:27:34 -04:00
Thomas Harte
4aeb9a7c56
Genericises RegisterPair.
2019-03-09 21:16:11 -05:00
Thomas Harte
b9b52b7c8b
Begins some very early sketching out of a 68000.
2019-03-09 00:00:23 -05:00
Thomas Harte
dc464a0b7b
Introduces a wrapper class for high-precision timers.
2019-03-07 22:04:29 -05:00
Thomas Harte
13b6079826
Merge pull request #609 from TomHarte/ReducedScanTargetContention
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Reduces draw/update contention.
2019-03-07 19:31:35 -05:00
Thomas Harte
6f7dd10d95
Reduces draw/update contention.
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This won't yet have any effect on either port owing to the way they handle contexts, but here it is.
2019-03-07 19:28:32 -05:00
Thomas Harte
24fb95291a
Reverts to support a full RGBA colour buffer.
2019-03-07 19:22:40 -05:00
Thomas Harte
48430bee60
Merge pull request #606 from TomHarte/MouseHiding
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Causes the Mac mouse pointer to hide after 3 seconds.
2019-03-06 22:52:40 -05:00
Thomas Harte
42997dcb80
Switches brace style, to bring this into line with other source files.
2019-03-06 21:54:21 -05:00
Thomas Harte
0ace189e38
Takes a basic stab at mouse cursor hiding.
2019-03-06 21:49:50 -05:00
Thomas Harte
d03a7911b5
Merge pull request #605 from TomHarte/DisplayMetrics
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UNREADY! Introduces dynamic output quality selection.
2019-03-06 19:20:35 -05:00
Thomas Harte
84422676cb
Switches to more coherent logic about buffer sizing.
2019-03-06 19:19:30 -05:00
Thomas Harte
7441e3f4c5
Corrects aspect ratio when changing accumulation texture size.
2019-03-05 22:10:32 -05:00
Thomas Harte
f18132d674
Makes effort to round out draft 1 of Outputs::Display::Metrics.
2019-03-05 22:01:58 -05:00
Thomas Harte
5660007221
Experimentally introduces adaptive quality intermediate buffers.
2019-03-05 21:41:20 -05:00
Thomas Harte
cfebf1dc4a
Merge branch 'master' into DisplayMetrics
2019-03-05 20:21:44 -05:00
Thomas Harte
5b0111b4c8
Merge pull request #604 from TomHarte/AYInputOutput
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Implements proper AY IO output behaviour.
2019-03-05 20:21:21 -05:00
Thomas Harte
62a1d69cee
Implements proper AY IO output behaviour.
2019-03-05 20:20:26 -05:00
Thomas Harte
86a6b04d4a
Begins attempts to keep track of display metrics.
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i.e. a system that can both make smart decisions about when to use a lower resolution, and hopefully allow some sort of flywheel-esque horizontal retrace synchronisation. And possibly some raster beam chasing?
2019-03-04 21:54:50 -05:00
Thomas Harte
8915950c7d
Merge pull request #601 from TomHarte/8ppStencil
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Switches to an 8bpp stencil, for Nvidia compatibility.
2019-03-03 20:39:50 -05:00
Thomas Harte
641e349f33
Switches to an 8bpp stencil, for Nvidia compatibility.
2019-03-03 20:38:24 -05:00
Thomas Harte
72b4bf9c98
Merge pull request #600 from TomHarte/MacCrash
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Reintroduces proper locking of the Mac OpenGL context.
2019-03-03 15:25:26 -05:00
Thomas Harte
ccdeb3fbc8
Ensures draw is a no-op prior to pipeline setup.
2019-03-03 15:04:14 -05:00
Thomas Harte
34047fa60a
Reintroduces proper locking of the OpenGL context in macOS.
2019-03-03 14:49:20 -05:00
Thomas Harte
05d483bc5b
Corrects potential machine shutdown race condition.
2019-03-02 23:17:31 -05:00
