ESD

Columns

Contents

1

X'02'

2–4

ESD

5–10

Space

11–12

Variable field count—number of bytes of information in variable field (columns 17–64)

13–14

Space

15–16

ESDID of first SD, XD, CM, PC, ER, or WX in variable field; blank for LD items, which have the ESDID of the preceding SD. This field is blank if all items are LD.

17–64

Variable field. One-to-three 16-byte items of the following format:

8-byte external symbol name
1-byte ESD type code:
Hex Value

ESD Type Code

00

SD

01

LD

02

ER

04

PC

05

CM

06

XD(PR)

0A

WX

0D

Quad-aligned SD

0E

Quad-aligned PC

0F

Quad-aligned CM
3-byte address

1-byte flag:

Alignment if XD
Space if LD, ER, or WX
AMODE/RMODE flags if SD, PC, or CM. Table 1 describes the AMODE and RMODE flag values.

Table 1. AMODE/RMODE flags
Bits	Value	Description
2	0	Use the RMODE bit (bit 5)
2	1	RMODE 64
3	0	Use the AMODE bits (bits 6-7)
3	1	AMODE 64
4	1	RSECT
5	0	RMODE 24
5	1	RMODE 31, RMODE ANY
6–7	00	AMODE 24
	01	AMODE 24
	10	AMODE 31
	11	AMODE ANY

3-byte length, LDID, or space

: Variable field item 1
17–24: External symbol name
25: ESD type code
26–28: Address
29: Flag
30–32: Length, LDID, or space

: Variable field item 2
33–40: External symbol name
41: ESD type code
42–44: Address
45: Flag
46–48: Length, LDID, or space

: Variable field item 3
49–56: External symbol name
57: ESD type code
58–60: Address
61: Flag
62–64: Length, LDID, or space

65–72: Space
73–80: Deck ID, sequence number, or both. The deck ID is the name from the first TITLE statement that has a non-spaces name field. This name can be 1–8 characters. If the name is fewer than eight characters or if there is no name, the remaining columns contain a record sequence number.