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The screen real-estate is already reserved, the values are dumped and
restored by the on-DSP code, why not make something out of these values ?
Allows following:
- where exactly send_back was called from ($st1)
- the boundaries and progress of the innermost BLOOP{,I} ($st0, 2 and 3)
up to send_back's call
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and 0xFFFF
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docs/DSP: Add sections on 16-bit and 40-bit modes and on main and extended opcode writing to the same register
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The current code expects new mail almost immediately after the last map was sent for it to be saved properly. However, I have a test program that ends up looping for 32768 iterations before it sends more mail; this resulted in an incomplete result dump. I've changed it to wait a frame between checking for mail, which solves that issue. This does slow down dumping, but the end speed matches the speed at which the UI updates the registers so this isn't a big deal (the UI waits a frame between mail normally). (Theoretically, it could take even longer for dumping to finish, so this is not a perfect solution. However, for tests that take that long to run, it would be better to save the existing results instead of re-running the test and saving that; that'd be something to do with later improvements.)
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DSPAssembler: Rework errors and warnings, and related cleanup
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The assembler upper-cases the mnemonic internally, so it never would match the lower-case x.
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Without this, execution continues beyond the end of the function, into the great unknown (probably eventually falling into either code left from a previous test, or the start of the DSP ROM). end_of_test is just an infinite loop to stop executing until the DSP is reset.
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maybe it makes the xml less scary :D
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This new test covers all conditions, and also tests overflow, carry, logical zero, and the behavior of NEG
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Hardware testing indicated that SRS uses a different list of registers than LRS (specifically, acS.h can be used with SRSH but not LRS, and SRS does not support AX registers, and there are 2 encodings that do nothing).
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This makes the point where execution starts more obvious compared to a start_of_test label at the end of the include, and allows putting other functions at the start of the file. This change also modifies the existing tests to build with this change.
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This is so that interrupt handlers can be manually specified in tests that need them.
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This also removes the emu folder from the Makefile, and the Config.h file. I'm not entirely sure what build.sh was for, but my best guess is that it was some kind of tool to run emulated DSP code at the same time as the actual DSP code and compare the results. I don't know if it ever worked, but it certainly doesn't work now.
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`IsLess` would incorrectly return true if both `SR_OVERFLOW` and `SR_SIGN` are set, as `(sr & SR_OVERFLOW) != (sr & SR_SIGN)` becomes `SR_OVERFLOW != SR_SIGN` which is true as the two masks are different. This broke in e651592ef56521f6db71f8a671fe8c20b948d338.
This issue only affected the DSP LLE Interpreter, and not the DSP LLE JIT.
I've also included a simple test case for this. `ax0.l` (on the top left) is set to 0 if the instruction following `IFL` does not execute and to 1 if it is executed.
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SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.
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also print summed $prod and individual $sr bits
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The whole thing was commented out, and nothing is actually using it
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This adds a test ucode that can be used to check the accelerator loop
behaviour with various start/end addresses.
It's actually more of a test template than a ready to use test.
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This allows dspspy to show that an ACCOV happened, and to resume
accelerator reads after an ACCOV (by refreshing the YN2 register).
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