NCR 5021 Printer Emulation Commands
8–12 3255 4073–002
The calculated offset does not have to fall on a character boundary and the
number of codes does not have to be a whole multiple of seven (7). For
example, the following command would alter the lower portion of the character
assigned the value 41H and the top portion of the character assigned the value
42H:
1BH,5BH,7EH,12H,00H,EAH,0FH,7FH,0EH,BFH,0DH,DFH,0BH,EFH,05H,57H,0
7H,F7H,07H, F7H,07H,F7H,OFH,FFH
Hexadecimal Decimal ASCII
1B 5B 7F vv, yy, yy, xx, xx, xx, xx 27 91 127 vv, yy, yy, xx, xx, xx, xx ESC [ ~ vv, yy, yy, xx, xx, xx, xx
Value of vv Value of yy
0-80H 0000-061FH
The value of vv is the VLI(in binary).
The value of yy is a binary address of the location within the character set to
write the first twelve-bit dot pattern.
The value of xx is a word. Each word contains a twelve-bit dot pattern
representing one row of dots of a 12 x 7 character matrix (in binary). Maximum
number of words is 63. The twelve least significant bits of each word make up
the dot pattern.
Print Characteristics Commands
These commands affect the appearance of printed information. They control the
following:
• Character formatting
• Line spacing
The commands are listed in numerical order of their hexadecimal codes.
