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Author SHA1 Message Date
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
Thomas Harte
05d483bc5b Corrects potential machine shutdown race condition. 2019-03-02 23:17:31 -05:00
Thomas Harte
113efd9b16
Merge pull request #598 from TomHarte/SVideoColeco 
Introduces S-Video support for the ColecoVision.
 2019-03-02 23:03:02 -05:00
Thomas Harte
c11a1f9679 Introduces S-Video support for the ColecoVision. 2019-03-02 23:02:37 -05:00
Thomas Harte
2beeaa513b Ensures a machine exists before messaging it. 2019-03-02 21:27:34 -05:00
Thomas Harte
5b56ad0d78
Merge pull request #597 from TomHarte/MacRaceCondition 
Splits OpenGL ScanTarget update and draw functions.
 2019-03-02 19:36:19 -05:00
Thomas Harte
bee0d09877 Splits display update and draw functions. 
On the Mac, draw is now called without an update for resizing events, and
anything else requested by AppKit. In all other cases — including from
the SDL version — both are called as if they were still a single function.
 2019-03-02 19:33:28 -05:00
Thomas Harte
42d8d187b3
Merge pull request #596 from TomHarte/MSXLogging 
Eliminates dangling uses of `printf`.
 2019-03-02 18:23:32 -05:00
Thomas Harte
d97348dd38 Eliminates dangling uses of printf. 2019-03-02 18:07:05 -05:00
Thomas Harte
e1ebb7ce9c Ensures no attempt to call nullptr. 2019-03-02 17:37:56 -05:00
Thomas Harte
47dd8ad069 Minor grammar fix. 2019-03-02 17:31:11 -05:00
Thomas Harte
6a55d75b3d
Merge pull request #595 from TomHarte/MSXTapeMotor 
Fixes various MSX tape-handling bugs, and adds a status LED.
 2019-03-02 15:00:03 -05:00
Thomas Harte
d5b4ddd9e5 Simplifies use_fast_tape_ logic. 2019-03-02 14:54:26 -05:00
Thomas Harte
9c8a2265b5 Breaks infinite loop where signature[0] == 0x1f but some of the rest doesn't match. 2019-03-02 14:47:52 -05:00
Thomas Harte
84d7157dfb Corrects arithmetic on raw data blocks. 2019-03-02 14:40:48 -05:00