Register contents when Exit 23 gets control

The contents of the register on entry to this exit are:

Register

Contents

0

Not applicable

1

Address of a 5-word parameter list, having the following structure:

2-10

Not applicable

11

Address of the $HFCT

12

Not applicable

13

The address of an 18-word save area where the exit routine stores the exit effector's registers

14

Return address

15

Entry address