Xerox 530 Language And Operations Reference Manual page 56

EXCH CNAME
PROC
RCPY
LDE
STA
RCPY
RCPY
PEND
E, T
AF(lI), AF(2), AF(3)
AF (l'), AF (2), AF (3)
E, A
T, E
Note: The EXCH procedure destroys the original con-
tents of the T register but not the E regi ster.
If a procedure reference to EXCH is
EXCH NEW, 1
the equivalent symbolic code is
RCPY E, T
RCPY A, E
LDA NEW, 1
SCLD 16
STA NEW, 1
RCPY E, A
RCPY T, E
Samp Ie Procedures 49