INSTRUCTION SET DESCRIPTIONS
MOTOROLA
INSTRUCTION SET DETAILS A - 233
Condition Codes:
S — Computed according to the definition in A.5 CONDITION CODE COMPUTATION
L — Set if limiting occurred during parallel move
E — Set if the signed integer portion of A or B result is in use
U — Set if A or B result is unnormalized
N — Set if bit 55 of A or B result is set
Z— Set if A or B result equals zero
V — Set if overflow has occurred in A or B result
Note:
The definitions of the E and U bits vary according to the scaling mode being used.
Refer to Section A.5 CONDITION CODE COMPUTATION for complete details.
Instruction Format 1:
MPYR (
±)
S1,S2,D
MPYR (
±)
S2,S1,D
Opcode 1:
MPYR Signed Multiply and Round MPYR
MR CCR
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LF DM T ** S1 S0 I1 I0 SLEUNZVC
23 8 7 4 3 0
DATA BUS MOVE FIELD 1QQQdk01
OPTIONAL EFFECTIVE ADDRESS EXTENSION