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5. A mixed mode expression (fixed point and floating point in the same ex-
pression. )
6. A variable name containing more than five characters.
7. The switch number has been omitted in an
IF (SENSE SWITCH
n)
state-
ment, or the first character following the right parenthesis in an
IF
state-
ment is a comma.
8. A comma follows the statement number in a
DO
statement.
9. A
DIMENSION
statement ends with a comma, or more than two dimensions
have been specified in a
DIMENSION
statement. (Only two-dimensional
arrays are pennitted.)
10. Unnumbered
FORMAT
statement or the word
FORMAT
misspelled in a
FORMAT
statement.
11. Incorrect representation in a
FORMAT
statement in one of the following
ways:
a. A special character is used
=@-~$+.,
in a numerical field specification.
b. An alphabetic character other than E, F, or I is used in a numerical
field specification.
c. A decimal point is missing in an E- or F -type numerical field specifi-
cation or a blank space follows the decimal point.
d. The number of positions to the right of the decimal point has not been
given in an E- or F -type numerical field specification.
e. A record mark appears in a numerical field specification or in an alpha-
meric field.
f. The first character following the word
FORMAT
is not a left parenthesis.
12. The total record width specified in a
FORMAT
statement is greater than
87 characters, or 121 characters if the printer-oriented system is used.
13. A
FORMAT
statement number has been omitted in an input/output state-
ment.
Compilation of the program proceeds after the error message is typed or
printed, but the statement in which the error has occured may either be partially
compiled or not compiled at all.
Execution
of
the Obiect
Program
Card System
When operating with the card system, the object program may be loaded imme-
diately after compilation by placing the deck in the read hopper, pressing the
reader start key and the start key on the console. The object deck may also be
loaded at this or any other time by first pressing the reset key and then the load
key on the card reader.
The cards in the object program must be loaded, sequentially by number,
starting with number 0001 which is punched in columns 77 through 80. If cards
numbered from 1 through 8 are not read in proper order, the machine will halt
with an invalid operation code (00) displayed in the operation register lights.
The cards must then be removed from the reader and placed in proper sequence.
Reload by placing the cards in the read hopper again and by pressing the reset
and load keys.
Any other card out of sequence will cause the message
CARD OUT OF SEQUENCE
to be typed on the console typewriter, and the machine will halt. The procedure
for continuing the operation is exactly as described for reloading the subroutine
deck under similar conditions.
Operating Principles
55
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