RCA 301 Programmer's Reference Manual page 101

2 Card Punch Normal (CPN)
General Description
This instruction enables the Model 336 Card Punch to punch 80-column cards from information contained in
the HSM.
Format
Operation — 2
N —Determines the rate at which cards are to be punched, or is used in a card cycle ending routine.
N
1
2
4
A Address — HSM address of first character to be punched.
B Address — Must be zeros (0000).
Direction of Operation
Left to right.
Outline of Operation
A start signal is sent to the Card Punch. Initially and thereafter, as the need arises, this instruction automatically
directs the Card Punch to place one or more cards in the punch station and operates on successive characters in the
following cycle.
The Card Punch punches all the information from the HSM location addressed by the A Register through the
next 79 HSM locations. 80 characters are punched in each card. After the card is punched, it is immediately read
to verify punching accuracy and placed in the output stacker.
Final Register Contents
(A), = (A)i + 80
(B)t = (B),
Timing
Cards are punched at a rate of up to 200 cards per minute.
Demand card punching, or to terminate continuous card punching
Used in continuous card punching ending routine
Continuous card punching
Standard Location
0202 - 0205
Purpose
VIIM5