2010-06-02 12:00:22 -06:00
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; This test checks the effect of SET15 on multiplications.
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incdir "tests"
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include "dsp_base.inc"
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; Results is in capitails like this: UNSIGNED
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CLR15
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; Test MULXMVZ - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULXMVZ $AX0.L, $AX1.H, $ACC0 ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULXMVZ $AX0.L, $AX1.H, $ACC0 ; UNSIGNED
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MOVP $ACC0
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call send_back
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CLR15
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; Test MULXMV - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULXMV $AX0.L, $AX1.H, $ACC0 ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULXMV $AX0.L, $AX1.H, $ACC0 ; UNSIGNED
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MOVP $ACC0
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call send_back
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CLR15
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; Test MULXAC - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULXAC $AX0.L, $AX1.H, $ACC0 ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULXAC $AX0.L, $AX1.H, $ACC0 ; UNSIGNED
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MOVP $ACC0
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call send_back
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CLR15
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; Test MULX - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULX $AX0.L, $AX1.H ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX1.H, #0x100
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MULX $AX0.L, $AX1.H ; UNSIGNED
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MOVP $ACC0
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call send_back
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CLR15
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; Test MADDX - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX1.L, #0x100
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MADDX $AX0.L, $AX1.L ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX1.L, #0x100
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MADDX $AX0.L, $AX1.L ; SIGNED (!)
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MOVP $ACC0
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call send_back
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CLR15
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; Test MULC - SET15
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CLR $ACC0
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CLRP
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LRI $AC0.M, #0xFFFF
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LRI $AX0.H, #0x100
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MULC $AC0.M, $AX0.H ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AC0.M, #0xFFFF
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LRI $AX0.H, #0x100
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MULC $AC0.M, $AX0.H ; SIGNED (!)
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MOVP $ACC0
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call send_back
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CLR15
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; Test MULCAC - SET15
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CLR $ACC0
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CLRP
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LRI $AC0.M, #0xFFFF
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LRI $AX0.H, #0x100
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MULCAC $AC0.M, $AX0.H, $ACC0 ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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CLRP
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SET15
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LRI $AC0.M, #0xFFFF
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LRI $AX0.H, #0x100
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MULCAC $AC0.M, $AX0.H, $ACC0 ; SIGNED (!)
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MOVP $ACC0
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call send_back
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CLR15
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; Test MUL - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX0.H, #0x100
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MUL $AX0.L, $AX0.H ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX0.H, #0x100
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MUL $AX0.L, $AX0.H ; SIGNED (!)
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MOVP $ACC0
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call send_back
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CLR15
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; Test MULAC - SET15
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CLR $ACC0
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CLRP
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LRI $AX0.L, #0xFFFF
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LRI $AX0.H, #0x100
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MULAC $AX0.L, $AX0.H, $ACC0 ; SIGNED
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MOVP $ACC0
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call send_back
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CLR $ACC0
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SET15
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LRI $AX0.L, #0xFFFF
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LRI $AX0.H, #0x100
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MULAC $AX0.L, $AX0.H, $ACC0 ; SIGNED (!)
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MOVP $ACC0
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call send_back
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CLR15
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; We're done, DO NOT DELETE THIS LINE
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jmp end_of_test
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; test accelerator
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; TODO: DSPSpy puts a 16-bit ramp at 0x10000000
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LRIS $AC1.M, #0x0a ; 16-bit PCM audio
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;SRS @SampleFormat, $AC1.M
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; Start accelerator position
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LRI $AC1.M, #0x0100
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SRS @ACCAH, $AC1.M
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LRI $AC1.M, #0x1000
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SRS @ACCAH, $AC1.M
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; Current accelerator position
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LRI $AC1.M, #0x0100
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SRS @ACCAH, $AC1.M
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LRI $AC1.M, #0x1000
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SRS @ACCAH, $AC1.M
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; End accelerator position
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LRI $AC1.M, #0x0100
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SRS @ACCAH, $AC1.M
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LRI $AC1.M, #0x2000
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SRS @ACCAH, $AC1.M
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; Now to the interesting parameter - gain.
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LRI $AC1.M, #0xFFFF
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SRS @GAIN, $AC1.M
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; Let's now load a sample through the accelerator.
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LRS $AC1.M, @ARAM
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call send_back
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jmp end_of_test
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; test addpaxz
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call send_back
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clrp
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lri $AX0.L, #0x1111
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lri $AX0.H, #0x2222
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call send_back
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clrp
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addpaxz $ACC0, $AX0.H
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call send_back
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clrp
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set40
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addpaxz $ACC0, $AX0.H
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set16
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call send_back
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clrp
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set15
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addpaxz $ACC0, $AX0.H
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clr15
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call send_back
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jmp end_of_test
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