; This test checks the effect of SET15 on multiplications. incdir "tests" include "dsp_base.inc" ; Results is in capitails like this: UNSIGNED 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 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 $AX0.H, #0x100 MUL $AX0.L, $AX0.H ; SIGNED (!) MOVP $ACC0 call send_back 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 ; 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