Motorola DSP96002 User Manual
Page 339
MOTOROLA
DSP96002 USER’S MANUAL
A - 151
NAN
-Set if result of the subtraction is a NaN. Cleared otherwise.
UNCC -Always cleared.
IER Flags: Flags changed according to standard definition.
Instruction Format: FMPY S1,S2,D1 FSUB.X S3,D2 (move syntax - see the MOVE instruction de-
scription.)
FMPY S2,S1,D1 FSUB.X S3,D2 (move syntax - see the MOVE instruction de-
scription.)
Instruction Fields:
D1
D D
Dn
n n
where nn = 0-3
D2
d d
Dn
n n
where nn = 0-3
S3
s s s
Dn
n n n
where nnn = 0-7
S1*S2
Q QQ Q
D0*D4
0 0 0 0
D4*D4
0 0 0 1
D4*D5
0 0 1 0
D4*D6
0 0 1 1
D5*D6
0 1 0 0
D4*D7
0 1 0 1
D5*D7
0 1 1 0
D6*D7
0 1 1 1
D4*D8
1 0 0 0
D5*D8
1 0 0 1
D6*D8
1 0 1 0
D7*D8
1 0 1 1
D4*D9
1 1 0 0
D5*D9
1 1 0 1
D6*D9
1 1 1 0
D7*D9
1 1 1 1
Timing: 2 + mv + da oscillator clock cycles
Memory: 1 + mv program words
01
0sss
ddQQ
QQDD
31
14 13
0
OPTIONAL EFFECTIVE ADDRESS EXTENSION OR IMMEDIATE LONG DATA
DATA BUS MOVE FIELD