IBM Machine Code Printer Control Characters
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IBM machine code printer control characters (MCC) are printing command characters used by mainframe printers to control the movement of paper through line printers. These commands are presented as special characters in the first column of each text line to be printed, and affect how the paper is advanced before or after the line is printed.
In contrast to ASA carriage control characters (ASA CC), IBM machine code printer control characters are mostly non-displayable characters.
Operation
Immediate action commands. These commands do not send any data to the printer. The commands only ask the printer to move the paper.
| MCC code | Action | ASA CC Equivalent |
|---|---|---|
| x'03' | No operation. Kind of a comment line in the print data stream | |
| x'0B' | Space 1 line immediate | |
| x'13' | Space 2 line immediate | |
| x'1B' | Space 3 line immediate | |
| x'8B' | Skip to channel 1 immediate | |
| x'93' | Skip to channel 2 immediate | |
| x'9B' | Skip to channel 3 immediate | |
| x'A3' | Skip to channel 4 immediate | |
| x'AB' | Skip to channel 5 immediate | |
| x'B3' | Skip to channel 6 immediate | |
| x'BB' | Skip to channel 7 immediate | |
| x'C3' | Skip to channel 8 immediate | |
| x'CB' | Skip to channel 9 immediate | |
| x'D3' | Skip to channel 10 immediate | |
| x'DB' | Skip to channel 11 immediate | |
| x'E3' | Skip to channel 12 immediate |
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