306 lines
3.4 KiB
Plaintext
306 lines
3.4 KiB
Plaintext
; Comba/KCM Macros for 64-bit Windows
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;
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; Note that mr_small is 64-bit unsigned __int64
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;
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; Triple register is extra|sumhi|sumlo
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;
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; See makemcs.txt for more information about this file
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;
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MACRO PMUL_START
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carry=0;
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ENDM
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MACRO PMUL
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su=_umul128(a[%d],sn,&v);
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su+=carry;
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v+=(su<carry);
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carry=v;
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b[%d]=0;
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c[%d]=su;
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ENDM
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MACRO PMUL_END
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b[0]=_umul128(carry,sn,&b[1]);
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ENDM
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MACRO MUL_START
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extra=0;
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sumhi=sumlo=0;
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ENDM
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;
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; STEP macros
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;
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MACRO STEP
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lo=_umul128(a[%d],b[%d],&hi);
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sumlo+=lo;
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hi+=(sumlo<lo);
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sumhi+=hi;
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extra+=(sumhi<hi);
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ENDM
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;
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; MFIN macro
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;
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MACRO MFIN
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c[%d]=sumlo;
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sumlo=sumhi;
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sumhi=extra;
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extra=0;
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ENDM
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;
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; LAST
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;
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MACRO LAST
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lo=_umul128(a[%d],b[%d],&hi);
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sumlo+=lo;
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hi+=(sumlo<lo);
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sumhi+=hi;
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ENDM
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;
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; MULE
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;
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MACRO MUL_END
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c[%d]=sumlo;
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ENDM
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;
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; SQR_START
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;
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MACRO SQR_START
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extra=0;
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sumhi=sumlo=0;
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ENDM
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;
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; DSTEP
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;
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MACRO DSTEP
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lo=_umul128(a[%d],a[%d],&hi);
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sumlo+=lo;
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cy=(sumlo<lo);
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sumlo+=lo;
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cy+=(sumlo<lo);
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sumhi+=hi;
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extra+=(sumhi<hi);
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sumhi+=hi;
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extra+=(sumhi<hi);
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sumhi+=cy;
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extra+=(sumhi<cy);
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ENDM
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;
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; SELF
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;
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MACRO SELF
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cy=a[%d];
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lo=_umul128(cy,cy,&hi);
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sumlo+=lo;
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hi+=(sumlo<lo);
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sumhi+=hi;
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extra+=(sumhi<hi);
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ENDM
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;
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; SFIN
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;
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MACRO SFIN
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c[%d]=sumlo;
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sumlo=sumhi;
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sumhi=extra;
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extra=0;
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ENDM
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;
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; SQR_END
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;
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MACRO SQR_END
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c[%d]=sumlo;
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ENDM
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;
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; REDC_START
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;
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MACRO REDC_START
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sumhi=extra=0;
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sumlo=a[0];
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ENDM
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;
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; RFINU macro
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;
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MACRO RFINU
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su=_umul128(sumlo,ndash,&lo);
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a[%d]=su;
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lo=_umul128(su,b[0],&hi);
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sumlo+=lo;
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hi+=(sumlo<lo);
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sumhi+=hi;
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extra+=(sumhi<hi);
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sumlo=sumhi;
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sumhi=extra;
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extra=0;
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lo=a[%d+1];
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sumlo+=lo;
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sumhi+=(sumlo<lo);
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ENDM
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;
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; RFIND macro
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;
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MACRO RFIND
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a[%d]=sumlo;
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sumlo=sumhi;
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sumhi=extra;
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extra=0;
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lo=a[%d+1];
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sumlo+=lo;
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sumhi+=(sumlo<lo);
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ENDM
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;
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; REDC_END macro
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;
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MACRO REDC_END
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a[%d]=sumlo;
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a[%d+1]=sumhi;
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ENDM
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;
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; ADD_START macro
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;
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MACRO ADD_START
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u=a[0]+b[0];
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carry=(u<a[0]);
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c[0]=u;
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ENDM
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;
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; ADD macro - c[.]=a[.]+b[.]
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;
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MACRO ADD
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ma=a[%d];
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mb=b[%d];
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u=carry+ma;
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carry=(u<ma);
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u+=mb;
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carry+=(u<mb);
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c[%d]=u;
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ENDM
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;
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; ADD_END macro.
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;
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MACRO ADD_END
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ENDM
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;
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; INC_START macro. Do first one.
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;
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MACRO INC_START
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u=a[0]+b[0];
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carry=(u<b[0]);
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a[0]=u;
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ENDM
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;
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; INC macro a[.]+=b[.]
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;
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MACRO INC
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ma=a[%d];
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mb=b[%d];
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u=carry+ma;
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carry=(u<ma);
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u+=mb;
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carry+=(u<mb);
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a[%d]=u;
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ENDM
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MACRO INC_END
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ENDM
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MACRO SUB_START
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u=a[0]-b[0];
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carry=(u>a[0]);
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c[0]=u;
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ENDM
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;
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; SUB macro - c[.]=a[.]-b[.]
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;
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MACRO SUB
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ma=a[%d];
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mb=b[%d];
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u=ma-carry;
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carry=(u>ma);
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ma=u;
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u=ma-mb;
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carry+=(u>ma);
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c[%d]=u;
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ENDM
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MACRO SUB_END
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ENDM
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;
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; DEC_START macro
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;
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MACRO DEC_START
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u=a[0]-b[0];
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carry=(u>a[0]);
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a[0]=u;
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ENDM
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;
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; DEC macro a[.]-=b[.]
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;
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MACRO DEC
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ma=a[%d];
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mb=b[%d];
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u=ma-carry;
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carry=(u>ma);
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ma=u;
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u=ma-mb;
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carry+=(u>ma);
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a[%d]=u;
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ENDM
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;
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; DEC_END macro
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;
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MACRO DEC_END
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ENDM
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;
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; KADD_START macro. Zero Carry
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;
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MACRO KADD_START
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carry=0;
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k%d:
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ENDM
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;
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; KASL macro
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;
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MACRO KASL
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n--;
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if (n==0) goto k%d;
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a+=%d;
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b+=%d;
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c+=%d;
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goto k%d;
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k%d:
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ENDM
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;
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; KADD_END macro
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;
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MACRO KADD_END
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ENDM
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;
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; KINC_START macro
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;
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MACRO KINC_START
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carry=0;
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k%d:
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ENDM
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;
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; KIDL macro
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;
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MACRO KIDL
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n--;
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if (n==0) goto k%d;
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a+=%d;
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b+=%d;
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goto k%d;
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k%d:
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ENDM
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;
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; KINC_END macro
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;
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MACRO KINC_END
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ENDM
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;
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; KDEC_START macro. Zero carry
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;
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MACRO KDEC_START
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carry=0;
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k%d:
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ENDM
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;
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; KDEC_END macro
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;
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MACRO KDEC_END
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ENDM
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