dolphin-emulator/Source/DSPSpy/tests/less_test.ds

incdir "tests"
include "dsp_base.inc"

	CLR $acc0
	CLR $acc1
	LRI $ac0.h, #0x0050
	LRI $ac1.h, #0x0050
	ADD $acc0, $acc1      ; Causes acc0 to overflow, and thus also become negative

	LRI $AX0.L, #0x0000
	IFL
	LRI $AX0.L, #0x0001
	CALL send_back

; We're done, DO NOT DELETE THIS LINE
	JMP end_of_test
DSPInterpreter: Fix IsLess `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. 2021-08-15 17:00:00 -07:00			`incdir "tests"`
			`include "dsp_base.inc"`

			`CLR $acc0`
			`CLR $acc1`
			`LRI $ac0.h, #0x0050`
			`LRI $ac1.h, #0x0050`
			`ADD $acc0, $acc1 ; Causes acc0 to overflow, and thus also become negative`

			`LRI $AX0.L, #0x0000`
			`IFL`
			`LRI $AX0.L, #0x0001`
			`CALL send_back`

			`; We're done, DO NOT DELETE THIS LINE`
			`JMP end_of_test`