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1908 Commits

Author SHA1 Message Date
Thomas Harte
536c4d45c1 Adds additional 65816 tests, some failing; seeks to improve carry behaviour in ASL and ROL. 2020-10-10 10:11:57 -04:00
Thomas Harte
a02f88fe7c Confirms a couple more of the easy sets. 2020-10-10 09:34:29 -04:00
Thomas Harte
d9be6ab806 Confirms that a few other simple tests work immediately on the 65816. 2020-10-09 23:26:35 -04:00
Thomas Harte
290598429a Applies indirect page zero emulation mode addressing constraint to ix addressing. 
Lorenz's LDA tests now pass in emulation mode.
 2020-10-09 23:22:48 -04:00
Thomas Harte
776f014dbe Attempts LDA tests against the 65816. 
Result: ix is faulty. Which we already knew.
 2020-10-09 22:23:54 -04:00
Thomas Harte
88293909f4 Enables running of a first test on the 65816. 2020-10-09 21:44:47 -04:00
Thomas Harte
9b6c48631d Removes usage of a JAM instruction to spot end-of-tests. 2020-10-09 21:39:34 -04:00
Thomas Harte
0418f51ef2 Takes a shot at emulation-mode 'exceptions'. 
It's just RTI and correct decimal SBC left of the official 6502s now, I think.
 2020-10-08 17:52:13 -04:00
Thomas Harte
b578240993 Adds a further error. 
Clearly I've severely overloaded 'JMP' and not fully thought through where it gets its addresses from.
 2020-10-07 21:47:58 -04:00
Thomas Harte
1ba0a117e7 Corrects PLB, PLD, PLP. 2020-10-07 20:23:53 -04:00
Thomas Harte
f7b119ffe1 Moves temporary logging, fixes branch instructions. 2020-10-07 19:57:58 -04:00
Thomas Harte
a4cec95db1 Corrects load and transfer flag oversights. 2020-10-07 19:36:23 -04:00
Thomas Harte
84c4fa197b Corrects DEX mapping, notes new Dormann failure case. 2020-10-07 18:48:03 -04:00
Thomas Harte
18e8d6ce06 Makes an effort to factor out the 6502's [lazy] flags. 
This is preparatory to deciding which instructions, if any, are worth factoring out.
 2020-10-05 22:23:33 -04:00
Thomas Harte
da78dea98f Merge branch 'master' into 65816 2020-10-03 21:00:29 -04:00
Thomas Harte
38912859e1 Adds F8+F12 as an alternative mouse-release combo for Qt. 2020-10-02 20:31:47 -04:00
Thomas Harte
a72ac8294c Adds 65816 alternates to Klaus Dormann's tests. 
While also correcting a couple of misspellings of his name. Apologies, Klaus!
 2020-09-29 18:49:58 -04:00
Thomas Harte
4f03bf754d Adds the 65816 to SConstruct. 2020-09-29 18:43:39 -04:00
Thomas Harte
ef1a514785 Introduces 6502Selector, for picking either a 6502 or a 65816 based on a single template parameter. 2020-09-28 21:35:46 -04:00
Thomas Harte
6635876e7e Performs a bare factoring out of the 6502 bus handler. 2020-09-28 18:43:53 -04:00
Thomas Harte
5645f90abe Takes a minor first step towards actually performing 65816 instructions. 2020-09-27 22:20:58 -04:00
Thomas Harte
b96cd4d18b Resolves another unsafe pointer assumption. 2020-09-27 22:20:13 -04:00
Thomas Harte
8641494809 Resolve various test-case warnings. 2020-09-27 15:10:29 -04:00
Thomas Harte
5449e90b34 Edges towards offering the 65816 as another type of 6502 for testing. 2020-09-26 22:31:50 -04:00
C.W. Betts
ce0536cdfa
Update 6502TimingTests.swift 2020-09-26 16:13:27 -06:00
Thomas Harte
f87fe92bc8 Begins a meandering road towards the 65816. 2020-09-23 22:14:42 -04:00
Thomas Harte
a781c3eb4d Resolves thread-unsafe access of _view.bounds. 2020-09-22 22:13:37 -04:00
Thomas Harte
2d9dd6704a Merge branch 'master' of github.com:TomHarte/CLK 2020-09-22 22:07:47 -04:00
Thomas Harte
5741e22e29 Switch back to debug-by-default builds. 2020-09-20 18:22:13 -04:00
Thomas Harte
703065a0a5 Takes a run at timer-linked PB7 output behaviour. 
Seemingly sufficiently to pass the VICE test (which I've transcribed), though with some guesswork.
 2020-09-20 14:51:59 -04:00
Thomas Harte
291aa42fe1 Corrects test target. 2020-09-19 21:20:37 -04:00
Thomas Harte
061288f5a7 Add the Macintosh to the Mac kiosk mode informal test set. 2020-09-15 22:49:00 -04:00
Thomas Harte
bc8787ded6 Improves macro safety. 2020-09-15 22:26:33 -04:00
Thomas Harte
82dbdf7dfc Switches to using regular linear interpolation for supersampling. 2020-09-14 22:36:00 -04:00
Thomas Harte
8557bb2136 Adds minor exposition. 2020-09-14 20:39:52 -04:00
Thomas Harte
c0c7818d5d Reintroduces screenshots. 2020-09-14 20:33:05 -04:00
Thomas Harte
ceeadd6a33 Edges up towards reimplementing screenshots. 2020-09-13 22:30:17 -04:00
Thomas Harte
1a2545fdea Excises dangling references to OpenGLView, reinstates display link. 2020-09-13 22:11:51 -04:00
Thomas Harte
c5e9a74c88 Uses DisplayMetrics to disable supersampling when too slow. 2020-09-13 21:07:59 -04:00
Thomas Harte
d7972a7b86 Enforces across-the-board supersampling. 
I'm damned if I can figure out how to talk an MTKView, or Metal in general, into supersampling so as a first effort this does it in software.
 2020-09-13 19:30:26 -04:00
Thomas Harte
bcaceff378 Simplifies in-Metal transform logic, loading responsibility for setup onto the CPU. 
I think I've also finally excised whatever order-of-operations issue I was having with regard to non-4:3 displays.
 2020-09-10 20:32:58 -04:00
Thomas Harte
d7b405c6f8 Ensures direct luminance -> 'RGB' video doesn't go down the composition pipeline. 2020-09-10 13:20:40 -04:00
Thomas Harte
edf8cf4dc6 Completes the set of with/without gamma, and ensures correct alpha selection. 
Also culls some other repetitive TODOs.
 2020-09-09 19:28:38 -04:00
Thomas Harte
dfcc8e9822 Switches some of the interpolated fields to half precision. 2020-09-09 18:17:05 -04:00
Thomas Harte
016e96e6f8 Extends usage of half. Possibly towards its conclusion. 2020-09-09 15:10:19 -04:00
Thomas Harte
e7ce03c418 Attempts to ensure initial finalised line texture state. 
This was an attempt to remove the vertical line on the left of a composite display. Obviously the cause is not as suspected.
 2020-09-09 13:15:21 -04:00
Thomas Harte
3d392dd81d Completes conversion of composite & S-Video per-pixel processing to 16-bit floats. 2020-09-09 13:02:04 -04:00
Thomas Harte
42d810db7f Switches per-pixel uniforms to halfs. 2020-09-09 10:53:09 -04:00
Thomas Harte
18571e8351 Also calculates a chroma kernel size, though it isn't used for anything yet. 2020-09-08 20:08:56 -04:00
Thomas Harte
dda1649ab7 Introduces smaller luma kernel functions where useable. 2020-09-08 19:55:37 -04:00
Thomas Harte
c82e0df071 Starts a transition towards half-precision arithmetic. 2020-09-08 19:37:36 -04:00
Thomas Harte
06b7ea5a6e Strips the luma kernel back to 1d. 2020-09-08 19:15:19 -04:00
Thomas Harte
c49fcb9ec9 Based on further play: one box filter to separate luma/chroma, another to filter chroma, plus a FIR sharpen on luma. 2020-09-08 16:35:05 -04:00
Thomas Harte
0e44d6d214 Experiments with an all-box filter. 2020-09-08 16:19:08 -04:00
Thomas Harte
6adad7fbf5 Starts experimenting again with box filters. 2020-09-07 22:47:49 -04:00
Thomas Harte
de6ed7b615 Corrects phase-linked luminance support. 2020-09-07 20:53:28 -04:00
Thomas Harte
07dcb4dbb1 Starts reintroducing brightness, gamma and transparency for composite and S-Video pipelines. 2020-09-07 18:19:13 -04:00
Thomas Harte
e99896eadc At least nominates alpha, gamma and brightness to metal. 2020-09-04 16:07:58 -04:00
Thomas Harte
489701afcb Fixes window resizing. 2020-09-03 21:28:39 -04:00
Thomas Harte
55e576cc57 Ensures unpainted areas in composite displays have a non-asymptotic effect on luminance calculations. 2020-09-03 21:10:30 -04:00
Thomas Harte
6bd8ec9545 Alas, 1.0 seems to be the limit for proper artefact colour. 2020-09-03 20:53:45 -04:00
Thomas Harte
5cd8d86eef Switches to dynamic generation of the 'sharpness' filter, correcting issues with the Apple II (amongst others). 2020-09-03 20:48:44 -04:00
Thomas Harte
74d0acdaec Fixes non-RGB colour composite generation. 
The hard-coded sharpen filter proves to be a really bad fit for the Apple II though.
 2020-09-03 19:04:17 -04:00
Thomas Harte
0288a1974b Tries: separate filters for chroma and luma, plus a post-separation sharpen filter on the latter. 2020-09-03 13:18:21 -04:00
Thomas Harte
6efd8782fe Tweaks coefficients some more; makes sure that data is never larger than the intermediate buffers. 2020-09-02 20:14:41 -04:00
Thomas Harte
8bab9d5d60 Corrects S-Video and composite generation for RGB[1/2/4] sources. 
Also toys with a double luminance filter in order to try to sharpen chrominance. But maybe I should be looking at other convolutions entirely?
 2020-09-02 19:13:54 -04:00
Thomas Harte
7e58648743 Corrects front-running bug, plays further with colour amplitude. 2020-09-02 15:51:48 -04:00
Thomas Harte
0f0c3e616d Tweaks some numbers. 
I'm largely treading water here. Probably time to think about the race.
 2020-09-02 08:17:01 -04:00
Thomas Harte
c7ce65ea4c Attempts fully to restore composite video. 
Subject to some sort of nasty race condition for the time being.
 2020-09-02 08:03:10 -04:00
Thomas Harte
c36247b609 Ensures reuse of offset buffers. 
There seems to be some sort of epic race condition as the drawing pipeline lags though. Will need to investigate.
 2020-09-01 22:11:48 -04:00
Thomas Harte
15296e43a4 Attempts correctly to set up the CPU side of a composite video pipeline, at least. 
So: I think this is really close, but I'm out of time for the day.
 2020-09-01 21:58:33 -04:00
Thomas Harte
f2929230a2 [Experimentally] introduces blending between computed S-Video fragments. 2020-09-01 21:37:36 -04:00
Thomas Harte
bf252b8061 Fixes sizing of buffers to the current output. 2020-09-01 21:33:54 -04:00
Thomas Harte
9e2bf2af7e Restricts S-Video processing to updated lines. 2020-09-01 21:27:40 -04:00
Thomas Harte
245f2654f0 Shifts S-Video processing into the compute shader. 2020-09-01 20:37:11 -04:00
Thomas Harte
67ca298a72 Forces a no-op compute shader into the S-Video pipeline. 
The intention is to restrict the area acted over, and to do the S-Video filtering in there. Then I'll just need two such stages for composite.
 2020-09-01 18:39:52 -04:00
Thomas Harte
67d4dbf91a Starts girding for a third pipeline. 2020-08-31 20:01:59 -04:00
Thomas Harte
b344269140 I think I accept the need for intermediate steps now. 
This allocates storage.
 2020-08-30 20:21:01 -04:00
Thomas Harte
bb547610f2 Adds commentary, shrinks some intermediate texture sizes. 2020-08-30 12:06:29 -04:00
Thomas Harte
1e1f007bb7 Possibly convinces myself that no-separation chroma/luma isn't practical. 
... as appealing as it may be, were filters perfect.
 2020-08-29 21:25:49 -04:00
Thomas Harte
c40d858f02 Switches back to angular stuff at input resolution; ensures all S-Video modes work. 
Now to roll back onto composite. Fingers crossed!
 2020-08-29 20:54:46 -04:00
Thomas Harte
3d564d85fd Proves that per-pixel sine/cos evaluation avoids phase issues. 
Even in PAL mode. But I'd rather not _require_ this as it kind of negates directly-sampled input.
 2020-08-29 18:53:37 -04:00
Thomas Harte
02cea40ffa Attempts to avoid introducing phase error in scanToComposition. 
Also brightens S-Video up to RGB levels.
 2020-08-25 22:41:37 -04:00
Thomas Harte
e502d336db Having decided that these things probably need to be separate, starts drilling down on S-Video. 2020-08-25 22:05:19 -04:00
Thomas Harte
807cb99f6d Composite angles are signed. 2020-08-23 21:39:04 -04:00
Thomas Harte
7ca0362f23 Treads water. 
Difficult current question: why does the Atari 2600's display change colours as the display tries to achieve horizontal lock? Phase should be unchanged. Ergo something is amiss.
 2020-08-23 21:03:26 -04:00
Thomas Harte
56c7bd242a Marginally tidies. 2020-08-22 16:38:36 -04:00
Thomas Harte
5c6112415a Sets appropriate clear colour for composition render pass. 2020-08-21 22:41:54 -04:00
Thomas Harte
bf6a0c9fc4 Achieves a return of composite colour for RGB-producing machines. 2020-08-21 22:06:36 -04:00
Thomas Harte
d54b937ab6 Starts trying to do actual composite processing. 2020-08-21 21:11:25 -04:00
Thomas Harte
7c23c32e44 Corrects composition colour phase. 2020-08-20 20:45:45 -04:00
Thomas Harte
4e21d24b5f Corrects composition colour amplitude. 2020-08-20 20:34:37 -04:00
Thomas Harte
ad6fb85fda Corrects use of composition buffer. 
Something is still very obviously amiss in colour processing somewhere down the line, but the correct forms are once again visibly in evidence.
 2020-08-20 20:21:28 -04:00
Thomas Harte
5dc39a5d24 Adds the composition render pass. 
Albeit that something here doesn't work at present.
 2020-08-19 21:56:53 -04:00
Thomas Harte
3597f687de Continues sidling towards composite & S-Video handling. 2020-08-19 21:20:06 -04:00
Thomas Harte
8811506adf Starts towards building a compound[/composition?] buffer. 
I now need to discover whether I can use natural integer texture coordinates.
 2020-08-17 22:10:02 -04:00
Thomas Harte
11dec6fc0f Avoids a redundant clear. 2020-08-17 22:09:15 -04:00
Thomas Harte
59c4c8233f Generalises existing scanToDisplay to add lineToDisplay. 2020-08-17 21:15:19 -04:00
Thomas Harte
9da79d2d81 Clarifies scaling logic. 2020-08-17 20:29:46 -04:00
Thomas Harte
27e8a3a1b5 Obeys modals' zoom. 
Subject to an attempt at factoring aspect ratio differences.
 2020-08-16 21:11:43 -04:00