?? dif8.dsp
字號:
.module/ram do_DIF8; {*** 2 8-way DIFs ***}
.external tmp;
.entry DIF8;
DIF8:
i0=^tmp;
i1=^tmp+4;
i2=^tmp;
i3=^tmp+4;
m0=5;
ax1=dm(i3,m1);
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, ax1=dm(i3,m1), my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss);
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, ax1=dm(i3,m1), my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss), dm(i1,m1)=mr1;
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, ax1=dm(i3,m0), my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss), dm(i1,m1)=mr1;
af=pass ax1, ax0=dm(i2,m0);
ar=ax0+af, my0=pm(i6,m7);
ar=ax0-af, dm(i0,m0)=ar;
mr=ar*my0(ss), dm(i1,m1)=mr1;
dm(i1,m0)=mr1;
ax1=dm(i3,m1);
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, ax1=dm(i3,m1), my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss);
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, ax1=dm(i3,m1), my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss), dm(i1,m1)=mr1;
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, ax1=dm(i3,m1), my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss), dm(i1,m1)=mr1;
af=pass ax1, ax0=dm(i2,m1);
ar=ax0+af, my0=pm(i6,m6);
ar=ax0-af, dm(i0,m1)=ar;
mr=ar*my0(ss), dm(i1,m1)=mr1;
dm(i1,m1)=mr1;
rts; {*** end 2 8-way DIFs ***}
.endmod;
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