Nintendo Ultra64 Programmer's Manual page 312

Rsp
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VRSQH
31
COP2
0 1 0 0 1 0
6
Format:
vrsqh vd[de], vt[e]
Description:
The upper 16 bits of the reciprocal of the square root previously calculated is stored in the scalar
16-bit element
upper 16 bits for a pending double-precision reciprocal of a square root operation.
Operation:
T:
DivIn
for i in 0...7
endfor
VR[vd][de*2]
Exceptions:
None
312
Vector Element Scalar SQRT
Reciprocal (Double Prec. High)
26
25
24
21
20
1
e
1
4
de
of vector register
 VR[vt][e]
|| 0
31...0
15...0
 VR[vt][e]
ACC[i]
15...0
 DivOut
15...0
16
15
11
vt
de
5
5
vd
. The 16-bit element
16
15...0
// internal register set by vrsql
31...16
VRSQH
10
6
5
vd
VRSQH
1 1 0 1 1 0
5
6
e
of vector register
0
vt
is loaded as the

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