M-S Cash Drawer A794 - Manual (Page 137)

Chapter 6: Programming Information A794 Owner’s Guide
December 1999 132
User Data Storage Commands
Write to User Data Storage
ASCII ESC ‘ m a0 a1 a2 d1 ... dm
Hexadecimal 1B 27 m a0 a1 a2 d1 ... dm
Decimal 27 39 m a0 a1 a2 d1 ... dm
Value of m: 0 – 255
Writes m bytes of data to the User Data Storage Flash Page at the address specified. The
printer waits for m bytes of data following the 3-byte address, addr.
If any of the memory locations addressed by this command are not currently erased, the
command is not executed.
Read from User Data Storage
ASCII ESC 4 m a0 a1 a2
Hexadecimal 1B 34 m a0 a1 a2
Decimal 27 52 m a0 a1 a2
Value of m: 0 – 255
Reads m bytes of data from the User Data Storage Flash Page at the address specified.
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.
Related Information:
This is ignored in TM-T88 Emulation and the parameter byte goes into the print buffer.
Write to Non-Volatile Memory (NVRAM)
ASCI 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 locations)
Writes the two-byte word, n1 n2, to location k in history EEROM.
Related Information:
This is ignored in TM-T88 Emulation and the parameter bytes go into the print buffer.