DSP: heavily extend mul test. Seems that only MULX* family instructions support unsigned operation.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3138 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/DSPSpy/tests/mul_test.ds

@@ -2,57 +2,249 @@
 incdir  "tests"
 include "dsp_base.inc"
 
-SET40
-LRI     $AC0.M, #0x1234
-LRI     $AC0.L, #0x5678
-SET16
+; Results is in capitails like this: UNSIGNED
 
-m2
+CLR15
+
+; Test MULXMVZ - SET15
 CLR     $ACC0
+CLRP
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULXMVZ	$AX0.L, $AX1.H, $ACC0     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULXMVZ	$AX0.L, $AX1.H, $ACC0     ; UNSIGNED
+MOVP    $ACC0
+call send_back
+CLR15
+
+; Test MULXMV - SET15
+CLR     $ACC0
+CLRP
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULXMV	$AX0.L, $AX1.H, $ACC0     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULXMV	$AX0.L, $AX1.H, $ACC0     ; UNSIGNED
+MOVP    $ACC0
+call send_back
+CLR15
+
+; Test MULXAC - SET15
+CLR     $ACC0
+CLRP
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULXAC	$AX0.L, $AX1.H, $ACC0     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULXAC	$AX0.L, $AX1.H, $ACC0     ; UNSIGNED
+MOVP    $ACC0
+call send_back
+CLR15
+
+; Test MULX - SET15
+CLR     $ACC0
+CLRP
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULX	$AX0.L, $AX1.H     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.H, #0x100
+MULX	$AX0.L, $AX1.H     ; UNSIGNED
+MOVP    $ACC0
+call send_back
+CLR15
+
+
+; Test MADDX - SET15
+CLR     $ACC0
+CLRP
 LRI     $AX0.L, #0xFFFF
 LRI		$AX1.L, #0x100
-MULX	$AX0.L, $AX1.L
-MULXAC	$AX0.L, $AX1.L, $ACC0
+MADDX	$AX0.L, $AX1.L     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AX0.L, #0xFFFF
+LRI		$AX1.L, #0x100
+MADDX	$AX0.L, $AX1.L     ; SIGNED (!)
+MOVP    $ACC0
+call send_back
+CLR15
+
+
+; Test MULC - SET15
+CLR     $ACC0
+CLRP
+LRI     $AC0.M, #0xFFFF
+LRI		$AX0.H, #0x100
+MULC	$AC0.M, $AX0.H     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AC0.M, #0xFFFF
+LRI		$AX0.H, #0x100
+MULC	$AC0.M, $AX0.H     ; SIGNED (!)
+MOVP    $ACC0
+call send_back
+CLR15
+
+
+; Test MULCAC - SET15
+CLR     $ACC0
+CLRP
+LRI     $AC0.M, #0xFFFF
+LRI		$AX0.H, #0x100
+MULCAC	$AC0.M, $AX0.H, $ACC0     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+CLRP
+SET15	
+LRI     $AC0.M, #0xFFFF
+LRI		$AX0.H, #0x100
+MULCAC	$AC0.M, $AX0.H, $ACC0     ; SIGNED (!)
+MOVP    $ACC0
+call send_back
+CLR15
+
+
+; Test MUL - SET15
+CLR     $ACC0
+CLRP
+LRI     $AX0.L, #0xFFFF
+LRI		$AX0.H, #0x100
+MUL		$AX0.L, $AX0.H	; SIGNED
+MOVP    $ACC0
 call send_back
 
 CLR     $ACC0
 SET15	
 LRI     $AX0.L, #0xFFFF
-LRI		$AX1.L, #0x100
-MULX	$AX0.L, $AX1.L
-MULXAC	$AX0.L, $AX1.L, $ACC0
-CLR15	
+LRI		$AX0.H, #0x100
+MUL		$AX0.L, $AX0.H	; SIGNED (!)
+MOVP    $ACC0
 call send_back
-m0
-lri $AX0.L, #1
-lri $AX1.L, #2
-mulx $AX0.L, $AX1.L
-movp $ACC0
-call send_back  ; 1
+CLR15
+
+
+; Test MULAC - SET15
+CLR     $ACC0
+CLRP
+LRI     $AX0.L, #0xFFFF
+LRI		$AX0.H, #0x100
+MULAC	$AX0.L, $AX0.H, $ACC0     ; SIGNED
+MOVP    $ACC0
+call send_back
+
+CLR     $ACC0
+SET15	
+LRI     $AX0.L, #0xFFFF
+LRI		$AX0.H, #0x100
+MULAC	$AX0.L, $AX0.H, $ACC0     ; SIGNED (!)
+MOVP    $ACC0
+call send_back
+CLR15
+
 
-set15
-lri $AX0.L, #2
-lri $AX1.L, #4
-mulx $AX0.L, $AX1.L
-movp $ACC0
-clr15
-call send_back  ; 1
 
-m2
-lri $AX0.L, #1
-lri $AX1.L, #2
-mulx $AX0.L, $AX1.L
-movp $ACC0
-call send_back  ; 1
 
-set15
-lri $AX0.L, #2
-lri $AX1.L, #4
-mulx $AX0.L, $AX1.L
-movp $ACC0
-clr15
-call send_back  ; 1
-m0
 
 ; We're done, DO NOT DELETE THIS LINE
 jmp end_of_test
+
+; test accelerator
+
+; TODO: DSPSpy puts a 16-bit ramp at 0x10000000
+LRIS $AC1.M, #0x0a    ; 16-bit PCM audio
+;SRS	@SampleFormat, $AC1.M
+; Start accelerator position
+LRI $AC1.M, #0x0100
+SRS @ACCAH, $AC1.M
+LRI $AC1.M, #0x1000
+SRS @ACCAH, $AC1.M
+; Current accelerator position
+LRI $AC1.M, #0x0100
+SRS @ACCAH, $AC1.M
+LRI $AC1.M, #0x1000
+SRS @ACCAH, $AC1.M
+; End accelerator position
+LRI $AC1.M, #0x0100
+SRS @ACCAH, $AC1.M
+LRI $AC1.M, #0x2000
+SRS @ACCAH, $AC1.M
+
+; Now to the interesting parameter - gain.
+LRI $AC1.M, #0xFFFF
+SRS @GAIN, $AC1.M
+
+; Let's now load a sample through the accelerator.
+LRS $AC1.M, @ARAM
+call send_back
+
+jmp end_of_test
+
+; test addpaxz
+call send_back
+
+clrp
+lri $AX0.L, #0x1111
+lri $AX0.H, #0x2222
+call send_back
+
+clrp
+addpaxz $ACC0, $AX0.H
+
+call send_back
+
+clrp
+set40
+addpaxz $ACC0, $AX0.H
+set16
+
+call send_back
+
+clrp
+set15
+addpaxz $ACC0, $AX0.H
+clr15
+
+call send_back
+
+
+jmp end_of_test
+