113 lines
2.3 KiB
Raku
113 lines
2.3 KiB
Raku
#!/usr/local/bin/perl
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# alpha assember
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sub bn_sqr_words
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{
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local($name)=@_;
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local($cc,$a,$b,$r,$couny);
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&init_pool(3);
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($cc)=GR("r0");
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$rp=&wparam(0);
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$ap=&wparam(1);
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$count=&wparam(2);
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&function_begin($name,"");
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&comment("");
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&sub($count,4,$count);
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&mov("zero",$cc);
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&br(&label("finish"));
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&blt($count,&label("finish"));
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($a0,$r0)=&NR(2);
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&ld($a0,&QWPw(0,$ap));
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&ld($r0,&QWPw(0,$rp));
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$a=<<'EOF';
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##########################################################
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&set_label("loop");
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($a1)=&NR(1); &ld($a1,&QWPw(1,$ap));
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($b1)=&NR(1); &ld($b1,&QWPw(1,$bp));
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($a2)=&NR(1); &ld($a2,&QWPw(2,$ap));
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($b2)=&NR(1); &ld($b2,&QWPw(2,$bp));
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($a3)=&NR(1); &ld($a3,&QWPw(3,$ap));
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($b3)=&NR(1); &ld($b3,&QWPw(3,$bp));
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($o0,$t0)=&NR(2);
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&add($a0,$b0,$o0);
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&cmpult($o0,$b0,$t0);
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&add($o0,$cc,$o0);
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&cmpult($o0,$cc,$cc);
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&add($cc,$t0,$cc); &FR($t0);
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($t1,$o1)=&NR(2);
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&add($a1,$b1,$o1); &FR($a1);
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&cmpult($o1,$b1,$t1); &FR($b1);
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&add($o1,$cc,$o1);
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&cmpult($o1,$cc,$cc);
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&add($cc,$t1,$cc); &FR($t1);
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($t2,$o2)=&NR(2);
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&add($a2,$b2,$o2); &FR($a2);
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&cmpult($o2,$b2,$t2); &FR($b2);
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&add($o2,$cc,$o2);
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&cmpult($o2,$cc,$cc);
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&add($cc,$t2,$cc); &FR($t2);
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($t3,$o3)=&NR(2);
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&add($a3,$b3,$o3); &FR($a3);
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&cmpult($o3,$b3,$t3); &FR($b3);
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&add($o3,$cc,$o3);
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&cmpult($o3,$cc,$cc);
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&add($cc,$t3,$cc); &FR($t3);
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&st($o0,&QWPw(0,$rp)); &FR($o0);
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&st($o1,&QWPw(0,$rp)); &FR($o1);
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&st($o2,&QWPw(0,$rp)); &FR($o2);
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&st($o3,&QWPw(0,$rp)); &FR($o3);
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&sub($count,4,$count); # count-=4
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&add($ap,4*$QWS,$ap); # count+=4
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&add($bp,4*$QWS,$bp); # count+=4
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&add($rp,4*$QWS,$rp); # count+=4
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&blt($count,&label("finish"));
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&ld($a0,&QWPw(0,$ap));
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&ld($b0,&QWPw(0,$bp));
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&br(&label("loop"));
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EOF
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##################################################
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# Do the last 0..3 words
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&set_label("last_loop");
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&ld(($a0)=&NR(1),&QWPw(0,$ap)); # get a
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&mul($a0,$a0,($l0)=&NR(1));
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&add($ap,$QWS,$ap);
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&add($rp,2*$QWS,$rp);
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&sub($count,1,$count);
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&muh($a0,$a0,($h0)=&NR(1)); &FR($a0);
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&st($l0,&QWPw(-2,$rp)); &FR($l0);
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&st($h0,&QWPw(-1,$rp)); &FR($h0);
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&bgt($count,&label("last_loop"));
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&function_end_A($name);
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######################################################
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&set_label("finish");
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&add($count,4,$count);
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&bgt($count,&label("last_loop"));
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&set_label("end");
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&function_end($name);
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&fin_pool;
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}
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1;
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