Valid Elementary Moves

Table 1 shows valid and invalid elementary moves for each category. In the table:
Table 1. Valid Elementary Moves

 
 
 
 
 
Sending Item
Category

 
 
 
 
 

Receiving Item Category  
Alphabetic

Alphanumeric,
Alphanumeric-edited

Numeric,
Numeric-edited

BOOLEAN (6) DBCS (8)

External
Floating-Point (6)

Internal
Floating-Point (6)

Date (6) Time (6) Timestamp (6) National (6)
Alphabetic and SPACE YES YES NO NO NO NO NO NO NO NO YES
Alphanumeric (1) YES YES YES YES (5) NO YES (9) YES (9) YES YES YES YES
Alphanumeric-edited YES YES NO NO NO NO NO YES YES YES NO
Numeric Integer (2) NO YES YES NO NO YES YES YES YES YES Start of change YES End of change
Numeric Noninteger (3) NO NO YES NO NO YES YES NO NO NO NO
Numeric-edited NO YES YES NO NO YES YES YES YES YES NO
LOW/HIGH-VALUE, QUOTES NO YES NO NO NO NO NO NO NO NO NO
ZERO NO YES YES YES NO YES YES NO NO NO Start of change YES End of change
BOOLEAN (4) (6) NO YES NO YES NO NO NO NO NO NO NO

DBCS (6) (7) (8)
DBCS-edited

NO NO NO NO YES NO NO NO NO NO YES
Floating-Point (10) NO NO YES NO NO YES YES NO NO NO NO
Date (6) NO YES YES NO NO NO NO YES NO YES NO
Time (6) NO YES YES NO NO NO NO NO YES YES NO
Timestamp (6) NO YES YES NO NO NO NO YES YES YES NO
National (6) YES YES Start of change YES (11) End of change NO YES NO NO NO NO NO YES
Notes to Table 1:
(1)
Includes nonnumeric literals
(2)
Includes integer numeric literals
(3)
Includes noninteger numeric literals
(4)
Includes Boolean literals
(5)
First character of sending item is moved, regardless of its value
(6)
Boolean, DBCS, DBCS-edited, national, internal and external floating-point, and date-time items are an IBM Extension.
(7)
Includes DBCS literals and SPACE.
(8)
Includes DBCS data-items.
(9)
Figurative constants and nonnumeric literals must consist only of numeric characters and will be treated as numeric integer fields. The ALL literal may not be used as a sending item.
(10)
Includes floating-point literals, external floating-point data items (USAGE DISPLAY), and internal floating-point data items (USAGE COMP-1 or USAGE COMP-2).
(11)
National data-items can be moved to numeric but not to numeric-edited.