HP HP-67 - Page 308

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Interchangeable Software
The chart below illustrates the keys that are different yet interchange-
able between the HP-67 and the HP-97.
. When When
Operation on: encountered encountered
as an instruction as an instruction
HP-67 HP-97 by the HP-67: by the HP-97:
= Causes program Prints current con-
execution to pause tents of X-register.
for about 5 seconds,
displaying current
contents of X-
register with decimal
point blinking eight
times.
PRINT: Displays current Prints current con-
contents of each tents of stack
stack register registers.
sequentially; T, Z, Y,
and X, with decimal
point blinking twice
for each stack
register.
PRINT: Displays contents of Prints contents of all
each primary stor- primary storage
age register, begin- registers; R, through
ning with registers R, Ra through R, 1.
R, through Rg, then
Ra through Rg, and
finally I. Each dis-
play is preceded by a
displayed number
indicating the
register’s address.
PRINT: Performs no Prints a blank space
operation. on paper tape.
Naturally, all other keys perform exactly the same function on the
HP-67 as on the HP-97.
Notice that the function on the HP-67 Programmable Pocket
Calculator performs no operation on that calculator. It is used only
in programs which may be recorded onto magnetic cards and later