MC68030 Datasheet, PDF (99/602 Pages) Motorola, Inc – ENHANCED 32-BIT MICROPROCESSOR

Instruction Set Summary
Table 3-14. Instruction Set Summary (Sheet 2 of 5)
Opcode
Operation
Syntax
CAS
CAS2
CAS Destination Compare Operand → cc;
if Z, Update Operand → Destination
else Destination → Compare Operand
CAS Dc,Du,〈ea〉CAS2
Dc1:Dc2,Du1:Du2,(Rn1):(Rn2)
CAS2 Destination 1 Compare 1 → cc;
if Z, Destination 2 Compare → cc;
if Z, Update 1 → Destination 1; Update 2 → Destination 2
else Destination 1 → Compare 1; Destination 2 →Compare 2
CHK
If Dn < 0 or >-Source then TRAP
CHK 〈ea〉,Dn
CHK2
If Rn < lower bound or
Rn > upper bound
CHK2 〈ea〉,Rn
then TRAP
CLR
0 → Destination
CLR 〈ea〉
CMP
Destination — Source → cc
CMP 〈ea〉,Dn
CMPA Destination — Source
CMPA 〈ea〉,An
CMPI Destination — Immediate Data
CMPI #〈data〉,〈ea〉
CMPM Destination — Source → cc
CMPM (Ay) +,(Ax) +
CMP2
Compare Rn < lower-bound or
Rn > upper-bound
CMP2 〈ea〉,Rn
and Set Condition Codes
cpBcc If cpcc true then scanPC + d → PC
cpBcc (label〉
cpDBcc
If cpcc false then (Dn –1 → Dn;
if Dn ≠ –1 then scanPC + d → PC
cpDBcc Dn,(label〉
cpGEN Pass Command Word to Coprocessor
cpGEN (parameters as defined by
coprocessorL
cpRESTORE If supervisor state
then Restore Internal State of Coprocessor
cpRESTORE 〈ea〉
else TRAP
cpSAVE If supervisor state
the Save Internal State of Coprocessor
cpSAVE 〈save〉
else TRAP
cpScc If cpcc true then 1s → Destination
else 0s → Destination
cpTRAPcc If cpcc true then TRAP
cpTRAPcc
cpTRAPcc #〈data〉
DBcc
If condition false then (Dn–1 → Dn;
If Dn ≠ –1 then PC + d → PC)
DBcc Dn,(label〉
DIVS
DIVSL
Destination/Source → Destination
DIVS.W 〈ea〉,Dn32/16 → 16r:16q
DIVS.L 〈ea〉,Dq 32/32 → 32q
DIVS.L 〈ea〉,Dr:Dq 64/32 → 32r:32q
DIVSL.L 〈ea〉,Dr:Dq32/32 → 32r:32q
DIVU
DIVUL
Destination/Source → Destination
DIVU.W 〈ea〉,Dn32/16 → 16r:16q
DIVU.L 〈ea〉,Dq 32/32 → 32q
DIVU.L 〈ea〉,Dr:Dq 64/32 → 32r:32q
DIVUL.L 〈ea〉,Dr:Dq32/32 → 32r:32q
EOR
Source ⊕ Destination → Destination
EOR Dn,〈ea〉
EORI Immediate Data ⊕ Destination → Destination
EORI #〈data〉,〈ea〉
MOTOROLA
MC68030 USER’S MANUAL
3-21