MC68EC000 Motorola, MC68EC000 Datasheet - Page 29

• Manufacturer Part Number: MC68EC000
• Description: Core Processor (SCM 68000)
• Manufacturer: Motorola

Overview
1-16
ORI
ORI to CCR
ORI to SR
PEA
RESET
ROL, ROR
ROXL,
ROXR
RTE
RTR
RTS
SBCD
Scc
STOP
SUB
SUBA
SUBI
SUBQ
SUBX
SWAP
TAS
TRAP
TRAPV
TST
UNLK
NOTE: d is direction, L or R.
Immediate Data V Destination
Source V CCR
If supervisor state
else TRAP to Privilege Violation Trap
Sp – 4
If supervisor state
else TRAP to Privilege Violation Trap
Destination Rotated by <count>
Destination Rotated with X by <count>
If supervisor state
else TRAP to Privilege Violation Trap
(SP)
(SP)
(SP)
Destination 10 – Source 10 – X
If condition true
else 0s
If supervisor state
else TRAP to Privilege Violation Trap
Destination – Source
Destination – Source
Destination – Immediate Data
Destination – Immediate Data
Destination – Source – X
Register [31:16]
Destination Tested
1
SSP – 4
SR
If V then TRAP to TRAPV Instruciton Vector
Destination Tested
An
S-bit of SR;
SP; (SP)
(SSP); Vector Address
CCR; SP + 2
PC; SP + 4
PC; SP + 4
then Source V SR
then Assert RESETOB Line
then (SP)
SP + 4
restore state and deallocate stack according to (SP)
then 1s
then Immediate Data
Destination
SP; <ea>
Table 1-3. Instruction Set Summary (Continued)
Destination
SSP; PC
Freescale Semiconductor, Inc.
EC000 CORE PROCESSOR USER’S MANUAL
CCR
An; SP + 4
SP;
Register [15:0]
Destination
For More Information On This Product,
SR; SP + 2
Condition Codes; 1
Condition Codes
SP
SP
(SP)
(SSP); SSP – 2
SP;
Destination
Destination
Destination
Go to: www.freescale.com
SR
PC
SP
Destination
Destination
Destination
SR; STOP
Destination
Destination
SP; (SP)
Destination
SSP;
bit 7 of
PC;
ORI # <data>,<ea>
ORI # <data>,CCR
ORI # <data>,SR
PEA <ea>
RESET
ROd Dx,Dy
ROd # <data>,Dy
ROd Í
ROXd Dx,Dy
ROXd # <data>,Dy
ROXd Í
RTE
RTR
RTS
SBCD Dx,Dy
SBCD –(Ax),–(Ay)
Scc <ea>
STOP # <data>
SUB <ea>,Dn
SUB Dn,<ea>
SUBA <ea>,An
SUBI # <data>,<ea>
SUBQ # <data>,<ea>
SUBX Dx,Dy
SUBX –(Ax),–(Ay)
SWAP Dn
TAS <ea>
TRAP # <vector>
TRAPV
TST <ea>
UNLK An
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