Correct a number of syntax errors.
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@ -241,14 +241,14 @@ h=4 ;(AP) h by value (input)
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l=8 ;(AP) l by value (input)
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l=8 ;(AP) l by value (input)
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d=12 ;(AP) d by value (input)
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d=12 ;(AP) d by value (input)
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aprim=r5
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;aprim=r5
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a2=r6
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;a2=r6
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a20=r6
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;a20=r6
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a21=r7
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;a21=r7
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bprim=r8
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;bprim=r8
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b2=r9
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;b2=r9
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qprim=r10 ; initially used as q''
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;qprim=r10 ; initially used as q''
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rprim=r11 ; initially used as r''
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;rprim=r11 ; initially used as r''
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.psect code,nowrt
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.psect code,nowrt
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@ -258,58 +258,58 @@ rprim=r11 ; initially used as r''
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movl h(ap),r3
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movl h(ap),r3
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movl d(ap),r4
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movl d(ap),r4
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movl #0,aprim
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movl #0,r5
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movl #0,bprim
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movl #0,r8
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movl #0,r0
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movl #0,r0
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rotl #-1,r2,a20 ; a20 = l >> 1 (almost)
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rotl #-1,r2,r6 ; a20 = l >> 1 (almost)
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rotl #-1,r3,a21 ; a21 = h >> 1 (almost)
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rotl #-1,r3,r7 ; a21 = h >> 1 (almost)
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rotl #-1,r4,b2 ; b2 = d >> 1 (almost)
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rotl #-1,r4,r9 ; b2 = d >> 1 (almost)
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tstl a20
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tstl r6
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bgeq 1$
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bgeq 1$
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xorl2 #^X80000000,a20 ; fixup a20 so highest bit is 0
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xorl2 #^X80000000,r6 ; fixup a20 so highest bit is 0
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incl aprim ; a' = 1
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incl r5 ; a' = 1
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1$:
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1$:
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tstl a21
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tstl r7
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bgeq 2$
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bgeq 2$
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xorl2 #^X80000000,a20 ; fixup a20 so highest bit is 1,
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xorl2 #^X80000000,r6 ; fixup a20 so highest bit is 1,
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; since that's what was lowest in a21
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; since that's what was lowest in a21
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xorl2 #^X80000000,a21 ; fixup a21 so highest bit is 1
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xorl2 #^X80000000,r7 ; fixup a21 so highest bit is 1
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2$:
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2$:
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tstl b2
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tstl r9
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bgeq 666$ ; Uh-oh, the divisor is 0...
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bgeq 666$ ; Uh-oh, the divisor is 0...
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bgrt 3$
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bgtr 3$
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xorl2 #^X80000000,b2 ; fixup b2 so highest bit is 1
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xorl2 #^X80000000,r9 ; fixup b2 so highest bit is 1
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incl bprim
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incl r8
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3$:
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3$:
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tstl b2
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tstl r9
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bneq 4$ ; if b2 is 0, we know that bprim is 1
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bneq 4$ ; if b2 is 0, we know that bprim is 1
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tstl a21
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tstl r7
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bneq 666$ ; if higher half isn't 0, we overflow
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bneq 666$ ; if higher half isn't 0, we overflow
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movl r0,a20 ; otherwise, we have our result
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movl r0,r6 ; otherwise, we have our result
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brb 42$
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brb 42$
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4$:
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4$:
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ediv b2,a2,qprim,rprim
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ediv r9,r6,r10,r11
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tstl bprim
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tstl r8
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bneq 5$ ; If b' != 0, go to the other part
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bneq 5$ ; If b' != 0, go to the other part
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; addl3 rprim,rprim,r1
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; addl3 r11,r11,r1
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; addl2 aprim,r1
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; addl2 r5,r1
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brb 42$
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brb 42$
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5$:
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5$:
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ash #1,rprim,rprim
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ashl #1,r11,r11
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subl2 qprim,rprim
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subl2 r10,r11
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addl2 aprim,rprim
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addl2 r5,r11
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bgeq 7$
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bgeq 7$
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6$:
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6$:
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decl qprim
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decl r10
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addl2 r4,rprim
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addl2 r4,r11
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blss 6$
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blss 6$
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7$:
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7$:
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; movl rprim,r1
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; movl r11,r1
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42$:
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42$:
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movl qprim,r0
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movl r10,r0
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666$:
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666$:
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ret
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ret
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@ -345,11 +345,11 @@ n=16 ;(AP) n by value (input)
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0$:
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0$:
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movl (r3)+,r6 ; carry untouched
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movl (r3)+,r6 ; carry untouched
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addwc (r4)+,r6 ; carry used and touched
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adwc (r4)+,r6 ; carry used and touched
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movl r6,(r2)+ ; carry untouched
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movl r6,(r2)+ ; carry untouched
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sobgtr r5,0$ ; carry untouched
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sobgtr r5,0$ ; carry untouched
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addwc #0,r0
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adwc #0,r0
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666$:
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666$:
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ret
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ret
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@ -389,7 +389,7 @@ n=16 ;(AP) n by value (input)
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movl r6,(r2)+ ; carry untouched
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movl r6,(r2)+ ; carry untouched
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sobgtr r5,0$ ; carry untouched
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sobgtr r5,0$ ; carry untouched
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addwc #0,r0
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adwc #0,r0
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666$:
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666$:
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ret
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ret
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