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Macros | |
#define | LPT_DATA 0 /* Data to/from printer (R/W) */ |
#define | LPT_STATUS 1 /* Status of printer (R) */ |
#define | LPS_NERR 0x08 /* printer no error */ |
#define | LPS_SELECT 0x10 /* printer selected */ |
#define | LPS_NOPAPER 0x20 /* printer out of paper */ |
#define | LPS_NACK 0x40 /* printer no ack of data */ |
#define | LPS_NBSY 0x80 /* printer no ack of data */ |
#define | LPT_CONTROL 2 /* Control printer (R/W) */ |
#define | LPC_STROBE 0x01 /* strobe data to printer */ |
#define | LPC_AUTOLF 0x02 /* automatic linefeed */ |
#define | LPC_NINIT 0x04 /* initialize printer */ |
#define | LPC_SELECT 0x08 /* printer selected */ |
#define | LPC_IENABLE 0x10 /* printer out of paper */ |
#define | LPT_NPORTS 4 |