rpg 4 Operation Codes in as400

rpg 4 Operation Codes in as400
To perform any action in RPG or RPG - ILE you need to provide an OpCode. The OpCode also written as Op-Code is actually a short form of Operation Code.
http://publib.boulder.ibm.com/iseries/v5r2/ic2924/books/c092508430.htm 
http://www.letsas400.com/ile_rpg_iv/rpgle_opcodes

1.  DSPLY - Display Function
2.   DUMP - Program Dump
3.   ELSE - Else
4.   ELSEIF - Else If
5.   ENDyy - End a Structured Group
6.   ENDSR - End of Subroutine
7.   EVAL - Evaluate expression
8.   EVALR - Evaluate expression, right adjust
9.   EXCEPT - Calculation Time Output
10.   EXFMT - Write/Then Read Format
11.   EXSR - Invoke Subroutine
12.   EXTRCT - Extract Date/Time/Timestamp
13.   FEOD - Force End of Data
14.   FOR - For
15.   FORCE - Force a Certain File to Be Read Next Cycle
16.   GOTO - Go To
17.   IF - Else If
18.   IFxx - If
19.   IN - Random Retrieval from a File
20.   ITER - Iterate
21.   KFLD - Define Parts of a Key
22.   KLIST - Define a Composite Key
23.   LEAVE - Leave a Do/For Group
24.   LEAVESR - Leave a Subroutine
25.   LOOKUP - Look Up a Table or Array Element
26.   MHHZO - Move High to High Zone
27.   MHLZO - Move High to Low Zone
28.   MLHZO - Move Low to High Zone
29.   MLLZO - Move Low to Low Zone
30.   MONITOR - Begin a Monitor Group
31.   MOVE - Move
32.   MOVEA - Move Array
33.   MOVEL - Move Left
34.   MULT - Multiply
35.   MVR - Move Remainder
36.   NEXT - Next
37.   OCCUR - Set/Get Occurrence of a Data Structure
38.   ON-ERROR - On Error
39.   OPEN - Return File Open Condition
40.   ORxx - Or
41.   OTHER - Otherwise Select
42.   OUT - Write a Data Area
43.   PARM - Identify Parameters
44.   PLIST - Identify a Parameter List
45.   POST - Post
46.   READ - Read a Record
47.   READC - Read Next Changed Record
48.   READE - Read Equal Key
49.   READP - Read Prior Record
50.   READPE - Read Prior Equal
51.   REALLOC - Reallocate Storage
52.   REL - Release
53.   RESET - Reset
54.   RETURN - Return to Caller
55.   ROLBK - Roll Back
56.   SCAN - Scan for Characters
57.   SELECT - Begin a Select Group
58.   SETGT - Set Greater Than
59.   SETLL - Set Lower Limit
60.   SETOFF - Set Indicator Off
61.   SETON - Set Indicator On
62.   SHTDN - Shut Down
63.   SORTA - Sort an Array
64.   SQRT - Square Root of Expression
65.   SUB - Subtract
66.   SUBDUR - Subtract Duration
67.   SUBST - Get Substring
68.   TAG - Tag
69.   TEST - Test Date/Time/Timestamp
70.   TESTB - Test Bit
71.   TESTN - Test Numeric
72.   TESTZ - Test Zone
73.   TIME - Convert to Time
74.   UNLOCK - Unlock a Data Area or Release a Record
75.   UPDATE - Modify Existing Record
76.   WHEN - When True Then Select
77.   WHENxx - When True Then Select
78.   WRITE - Create New Records
79.   XFOOT - Sum Array Expression Elements
80.   XLATE - Translate
81.   Z-ADD - Zero and Add
82.   Z-SUB - Zero and Subtract

ACQ (Acquire)

ADD (Add)

ADDDUR (Add Duration)

ALLOC (Allocate Storage)

ANDxx (And)

BEGSR (Beginning of Subroutine)

BITOFF (Set Bits Off)

BITON (Set Bits On)

CABxx (Compare and Branch)

CALL (Call a Program)

CALLB (Call a Bound Procedure)

CALLP (Call a Prototyped Procedure or Program)

CASxx (Conditionally Invoke Subroutine)

CAT (Concatenate Two Strings)

CHAIN (Random Retrieval from a File)

CHECK (Check Characters)

CHECKR (Check Reverse)

CLEAR (Clear)

Clearing Variables

Clearing Record Formats

CLEAR Examples

CLOSE (Close Files)

COMMIT (Commit)

COMP (Compare)

DEALLOC (Free Storage)

DEFINE (Field Definition)

*LIKE DEFINE

*DTAARA DEFINE

DELETE (Delete Record)

DIV (Divide)

DO (Do)

DOU (Do Until)

DOUxx (Do Until)

DOW (Do While)

DOWxx (Do While)

DSPLY (Display Function)

DUMP (Program Dump)

ELSE (Else)

ELSEIF (Else If)

ENDyy (End a Structured Group)

ENDSR (End of Subroutine)

EVAL (Evaluate expression)

EVALR (Evaluate expression, right adjust)

EXCEPT (Calculation Time Output)

EXFMT (Write/Then Read Format)

EXSR (Invoke Subroutine)

EXTRCT (Extract Date/Time/Timestamp)

FEOD (Force End of Data)

FOR (For)

FORCE (Force a Certain File to Be Read Next Cycle)

GOTO (Go To)

IF (If)

IFxx (If)

IN (Retrieve a Data Area)

ITER (Iterate)

KFLD (Define Parts of a Key)

KLIST (Define a Composite Key)

LEAVE (Leave a Do/For Group)

LEAVESR (Leave a Subroutine)

LOOKUP (Look Up a Table or Array Element)

MHHZO (Move High to High Zone)

MHLZO (Move High to Low Zone)

MLHZO (Move Low to High Zone)

MLLZO (Move Low to Low Zone)

MONITOR (Begin a Monitor Group)

MOVE (Move)

MOVEA (Move Array)

Character, graphic, and UCS-2 MOVEA Operations

Numeric MOVEA Operations

General MOVEA Operations

MOVEL (Move Left)

MULT (Multiply)

MVR (Move Remainder)

NEXT (Next)

OCCUR (Set/Get Occurrence of a Data Structure)

ON-ERROR (On Error)

OPEN (Open File for Processing)

ORxx (Or)

OTHER (Otherwise Select)

OUT (Write a Data Area)

PARM (Identify Parameters)

PLIST (Identify a Parameter List)

POST (Post)

READ (Read a Record)

READC (Read Next Changed Record)

READE (Read Equal Key)

READP (Read Prior Record)

READPE (Read Prior Equal)

REALLOC (Reallocate Storage with New Length)

REL (Release)

RESET (Reset)

Resetting Variables

Resetting Record Formats

Additional Considerations

RESET Examples

RETURN (Return to Caller)

ROLBK (Roll Back)

SCAN (Scan String)

SELECT (Begin a Select Group)

SETGT (Set Greater Than)

SETLL (Set Lower Limit)

SETOFF (Set Indicator Off)

SETON (Set Indicator On)

SHTDN (Shut Down)

SORTA (Sort an Array)

SQRT (Square Root)

SUB (Subtract)

SUBDUR (Subtract Duration)

Subtract a duration

Calculate a duration

Possible error situations

SUBDUR Examples

SUBST (Substring)

TAG (Tag)

TEST (Test Date/Time/Timestamp)

TESTB (Test Bit)

TESTN (Test Numeric)

TESTZ (Test Zone)

TIME (Retrieve Time and Date)

UNLOCK (Unlock a Data Area or Release a Record)

Unlocking data areas

Releasing record locks

UPDATE (Modify Existing Record)

WHEN (When True Then Select)

WHENxx (When True Then Select)

WRITE (Create New Records)

XFOOT (Summing the Elements of an Array)

XLATE (Translate)

Z-ADD (Zero and Add)

Z-SUB (Zero and Subtract)