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Author SHA1 Message Date
Thomas Harte
f679145bd1 Makes a further push into the MOVEs. 
With some quick notation shortening.
 2019-03-20 23:21:02 -04:00
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. 
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. 
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. 
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. 
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 
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 
Reduces draw/update contention.
 2019-03-07 19:31:35 -05:00
Thomas Harte
6f7dd10d95 Reduces draw/update contention. 
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 
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 
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 
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. 
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 
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 
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