Table of Contents
Advertisement
SECTION II.
OPERATOR'S CONTROL PANEL
check occurs.
A program check is caused by the use of an illegal op code or a non-installed
optional op code.
A PROGRAM indication results in an autom.atic, unprogram.m.ed halt.
All peripheral
operations, however, are allowed to go to com.pletion.
The sequence register contains the ad-
dress of the op code of the instruction that is responsible for the program. check.
Pressing of either the INITIALIZE button or the SYSTEM CLEAR button resets the program.
check and extinguishes the PROGRAM indicator.
OPERATING PROCEDURES
The standard operating procedures outlined below can be perform.ed only when the STOP
button is illum.inated. If depressing the STOP button does not cause the STOP indicator to
illum.inate, the central processor m.ust be cleared or initialized before proceeding.
This is
accom.plished by depressing either the SYSTEM CLEAR button or the INITIALIZE button.
1.
To display a control m.em.ory register and the character in m.ain m.em.ory
it references:
a.
Press the appropriate CONTROL buttons (to specify the desired
control m.em.ory register, if different from. the register presently
indicated).
The address of the desired control m.ernory register
now appears in the illum.inated CONTROL indicators.
b.
Press the CONTROL DISPLAY button.
The m.ain m.em.ory address
specified by the setting of the control m.em.ory register now ap-
pears in the ADDRESS indicators, and the character referenced by
the setting of the address indicators is displayed in the CONTENTS
indicators.
2.
To
di~play
characters in successive m.ain m.em.ory locations:
a.
If it is desired to display successive m.ain m.em.ory locations begin-
ning with the current setting of the program., proceed to step lid
II
below. If it is desired to display som.e location(s) beginning with
other than the current setting of the program., m.anually enter (by
pressing the appropriate ADDRESS buttons) the desired starting
address into the m.em.ory address register. _
b.
Press the CONTROL buttons to designate the desired unassigned
register (octal 16 or 07).
c.
Press the CONTROL ENTER button to set the control m.em.ory
register selected in step
"~btl
above to the starting address se-
1ected in step "a" above.
d.
Press the CONTROL DISPLA Y+l or the CONTROL DISPLAY-l
button, depending on the desired direction of the serial display
of characters.
e.
NOTE: No increm.entation or decrem.entation takes place upon
the first depression of either button.
Press the CONTROL DISPLAY+l or the CONTROL DISPLAY-I
button a second tim.e to display in the CONTENTS indicators the
2-13
Advertisement
Table of Contents
