Nintendo Ultra64 Programmer's Manual page 301

VRCP
31 26 25
COP2
0 1 0 0 1 0
6
Format:
vrcp vd[de], vt[e]
Description:
The 32-bit reciprocal of the scalar 16-bit element
16 bits are stored in the scalar 16-bit element
Operation:

T:
if (VR[vt][e]
DivIn
else
DivIn
endif
lshift  0
i  0
while (i < 32 and ~found)
if (DivIn
endif
i  i + 1
endwhile
Revision 1.0
Vector Element Scalar
Reciprocal (Single Precision)
24 21 20 16
1 e vt
1 4 5
< 0) then
15...0
 0 16
|| -VR[vt][e]
31...0
 0
16
|| VR[vt][e]
31...0 15...0
= 1)
i
lshift  0
found  1
15 11 10
de vd
5 5
e
of vector register
de
of vector register
15...0
VRCP
6 5 0
VRCP
1 1 0 0 0 0
6
vt
is calculated and the lower
vd
.
301