A3LA-R-MIL-MOD User Guide Version B
Document Number: 451-93156-001A
124 of 159
A
PPENDIX
C:
S-R
EGISTER
D
EFINITIONS
S-registers allow control over specific A3LA-R operations. Some S-registers contain a single
numeric value. Other S-registers are bitmapped where individual bits, or sets of bits, control
specific functions.
C.1
S-R
EGISTER
C
OMMANDS
Commands allow S-registers to be read, written, or simply referenced (i.e., set a pointer to
designate the current, referenced S-register). S-register commands are described in the
following subsections.
C.1.1
S
R
–
D
IRECT
S-R
EGISTER
R
EFERENCE
Set a pointer to reference S-register r.
C1.2
S
R
?
–
D
IRECT
S-R
EGISTER
R
EAD
Read the value of S-register r.
C.1.3
S
R
=
N
–
D
IRECT
S-R
EGISTER
W
RITE
Set the value of S-register r to n, where n is a decimal value in the range 0 to 255.
C.1.4
?
–
R
EFERENCED
S-R
EGISTER
R
EAD
Read the value of the current referenced S-register. The current referenced S-register is that
which was last acted upon by a direct reference (ATSr), read (ATSr?), or write (ATSr=n)
command.
C.1.5
=
N
–
R
EFERENCED
S-R
EGISTER
W
RITE
Set the value of the current referenced S-register to n. The current referenced S-register is that
which was last acted upon by a direct reference (ATSr), read (ATSr?), or write (ATSr=n)
command.