Nintendo Ultra64 Programmer's Manual page 315

VSAR
31 26 25
COP2
0 1 0 0 1 0
6
Format:
vsar vd, vs, vt[e]
Description:
The upper, middle, or low 16-bit portion of the accumulator elements are selected by
to the elements of
The elements of
Operation:

T:
for i in 0...7
if (e = 0) then
else if (e = 1) then
else if (e = 2) then
endif
endfor
Revision 1.0
Vector Accumulator
Read (and Write)
24 21 20 16
1 e vt
1 4 5
vd
.
vs
are stored into the same portion of the accumulator.
 ACC[i]
VR[vd][i*2]
15...0
 VR[vs][i*2]
ACC[i]
47...32
 ACC[i]
VR[vd][i*2]
15...0
 VR[vs][i*2]
ACC[i]
31...16
 ACC[i]
VR[vd][i*2]
15...0
 VR[vs][i*2]
ACC[i]
15...0
15 11 10
vs vd
5 5
47...32
15...0
31...16
15...0
15...0
15...0
VSAR
6 5 0
VSAR
0 1 1 1 0 1
6
e
and read out
315