MC68EC000 Motorola, MC68EC000 Datasheet - Page 27

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

Overview
1-14
ABCD
ADD
ADDA
ADDI
ADDQ
ADDX
AND
ANDI
ANDI to CCR Source
ANDI to SR
ASL, ASR
Bcc
BCHG
BCLR
BKPT
BRA
BSET
BSR
BTST
CHK
CLR
CMP
Opcode
<label>
<list>
Í
USP
SSP
SP
cc
C
N
U
V
X
Z
Source 10 + Destination 10 + X
Source + Destination
Source + Destination
Immediate Data + Destination
Immediate Data + Destination
Source + Destination + X
Source
Immediate Data
If supervisor state
else TRAP to Privilege Violation Trap
Destination Shifted by <count>
If (condition true) then PC + d n
~ (<bit number> of Destination)
~ (<bit number> of Destination)
~ (<bit number> of Destination)
0
Run breakpoint acknowledge cycle;
TRAP as illegal instruction
PC + d n
~ (<bit number> of Destination)
1
SP – 4
~ (<bit number> of Destination)
If Dn < 0 or Dn > Source then TRAP to CHK Instruction Vector CHK <ea>,Dn
0
Destination – Source
<bit number> of Destination
<bit number> of Destination
Destination
then Source
Carry Bit in CCR
Condition Codes from CCR
Negative Bit in CCR
Undefined, Reserved for Motorola Use
Overflow Bit in CCR
Extend Bit in CCR
Zero Bit in CCR
Active Stack Pointer
Supervisor (Master or Interrupt) Stack Pointer
User Stack Pointer
Effective Address
Assembly Program Label
List of registers, for example D3–D0.
Destination
CCR
SP; PC
Table 1-2. Notational Conventions (Continued)
PC
Freescale Semiconductor, Inc.
EC000 CORE PROCESSOR USER’S MANUAL
CCR
Destination
Table 1-3. Instruction Set Summary
For More Information On This Product,
(SP); PC + d n
SR
Destination
Destination
cc
Destination
Operation
Destination
Go to: www.freescale.com
SR
Destination
Destination
Destination
Destination
Destination
PC
Z;
<bit number> of Destination
Z;
Z;
Z;
Register Codes
Stack Pointers
Miscellaneous
PC
ABCD Dy,Dx
ABCD –(Ay), –(Ax)
ADD <ea>,Dn
ADD Dn,<ea>
ADDA <ea>,An
ADDI # <data>,<ea>
ADDQ # <data>,<ea>
ADDX Dy, Dx
ADDX –(Ay), –(Ax)
AND <ea>,Dn
AND Dn,<ea>
ANDI # <data>, <ea>
ANDI # <data>, CCR
ANDI # <data>, SR
ASd Dx,Dy
ASd # <data>,Dy
ASd <ea>
Bcc <label>
BCHG Dn,<ea>
BCHG # <data>,<ea>
BCLR Dn,<ea>
BCLR # <data>,<ea>
BKPT # <data>
BRA <label>
BSET Dn,<ea>
BSET # <data>,<ea>
BSR <label>
BTST Dn,<ea>
BTST # <data>,<ea>
CLR <ea>
CMP <ea>,Dn
Syntax
MOTOROLA