INSTRUCTION DESCRIPTIONS
MOTOROLA
INSTRUCTION SET DETAILS A - 263
Condition Codes:
S — Computed according to the definition in A.5 CONDITION CODE COMPUTATION
L — Set if data limiting has occurred during parallel move
N —
Set if bit 47 of A or B result is set
Z —
Set if bits 47–24 of A or B result are zero
V —
Always cleared
C —
Set if bit 47 of A or B was set prior to instruction execution
Instruction Format:
ROL D
Opcode:
Instruction Fields:
D d
A 0
B 1
Timing:
2+mv oscillator clock cycles
Memory:
1+mv program words
ROL Rotate Left ROL
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 SLEU NZ VC
23 8 7 4 3 0
DATA BUS MOVE FIELD 0011d111
OPTIONAL EFFECTIVE ADDRESS EXTENSION