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Appendix CProgramming Console Operations
187
Cassette Tape Operations
Operation/Description Modes* Key sequence
Program Memory Save
Copies data from the Program
Memory to tape. The file no.
specified in the instructions provides
an identifying address for the
information within the tape. Each file
number should be used only once
per tape. If only a part of the
Program Memory is to be stored,
the appropriate start and stop
addresses must be entered. Each
C60 tape can store approximately
16K words on each side of the tape.
When the start address is entered,
the maximum stop address is set as
the default. Do not set a stop
address greater than this one. If you
wish to record past this address the
additional information will need to be
recorded either on the flip side of
the tape or on a separate tape. After
starting the tape recorder, wait
about 5 seconds before pressing
SHIFT REC/RESET. This is to allow
the leader tape to pass before the
data transmission starts.
P
EXT
CLR
SHIFT
REC
RESET
Start tape recorder in
the appropriate mode.
[File no.]
5 second leader tape**
Program Memory Restore
To read Program Memory data
which has been recorded on a
cassette tape, the keystrokes are as
given here. The file number must be
the same as the one entered when
the data was recorded. The read
operation will proceed from the
specified start address up to the end
of the tape, unless halted by a CLR
command. The instruction must be
completed before the required data
is reached on the tape, i.e., usually
before the leader tape finishes.
P
Start tape recorder
playback.
EXT
CLR
[File no.]
PLAY
SET
SHIFT
5 second leader tape**
Program Memory Compare
The procedure to compare Program
Memory data stored on a tape with
that in the PC’s Program Memory
area is the same as that for reading
it (see above), except that after
starting the tape playback, VER
should be pressed instead of SHIFT
and PLAY/SET.
P
EXT
CLR
[File no.]
VER
5 second leader tape**
Start tape recorder
playback.
*Modes in which the given instruction is applicable: R = RUN, M = MONITOR, P = PROGRAM
**These times take the cassette leader tape into consideration according to the following:
a) When recording to tape, the leader tape needs to be allowed to pass before the data transmission to the tape player starts.
b) When restoring from tape or comparing data, the Programming Console needs to be ready to receive data before the data is transfered
from the tape.