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Modifying memory or I/O content

Memory or I/O content can be modified one location at the time by using the Entry Switches and the DEP (deposit) button. In order to do that, proceed as following:

Navigate to the desired location as described in previous section. Use the first eight Entry Switches to indicate the desired content (up position for "1", low position for "0"). Press the DEP button.

Pressing the DEP button causes the current location to be written as defined by the first eight Entry Switches. A read cycle on the next memory or I/O location takes place automatically so the Address Display and the Data Display will show the address and content of the next location, not the one you just wrote. This is convenient for writing in a block of memory (for instance, a short program).