NCR 7197 - Chapter 7: Reflashing the Printer Firmware; Flash Utility Information; File Configurations

7197 Owner’s Guide Chapter 6: Commands
November 2002
163
Read from Non-Volatile Memory
ASCII: ESC j k
Hexadecimal
:
1B 6A k
Decimal:
27 106 k
Range of k: 20 – 63 (decimal)
Reads a two-byte word from location k in the history EEROM. The printer returns the
word at the next available opportunity.
Example:
• MSComm1.Output = Chr$(&H1B) & Chr$(&H6A) & Chr$(k)
Write to Non-Volatile Memory (NVRAM)
ASCII: ESC s n1 n2 k
Hexadecimal: 1B 73 n1 n2 k
Decimal:
27 115 n1 n2 k
Value of n1 :
1
st
Byte
Value of n2 :
2
nd
Byte
Range of k :
20 - 63 (decimal)
Writes the two-byte word, n1 n2, to location k in history EEROM.
Example:
• MSComm1.Output = Chr$(&H1B) & Chr$(&H73) & Chr$(n1) & Chr$(&Hn2k)