Nintendo Ultra64 Programmer's Manual page 317

VSUB
31 26 25
COP2
0 1 0 0 1 0
6
Format:
vsub vd, vs, vt
vsub vd, vs, vt[e]
Description:
The 16-bit elements of vector register
elements of vector register
cleared.
The results are clamped to 16 bit signed values and placed into vector register
If an element specification
used as described below.
Revision 1.0
Vector Subtraction
of Short Elements
24 21 20 16
1 e vt
1 4 5
vt
vs
. The vector control register VCO is used as borrow in; and VCO is
e
is present for vector register
15 11 10
vs vd
5 5
are subtracted on an element-by-element basis from the
vt
, the selected scalar element(s) of
VSUB
6 5 0
VSUB
0 1 0 0 0 1
6
vd
.
vt
is
317