1: struct vpdevice { 2: short plbcr; 3: short pbxaddr; 4: short prbcr; 5: u_short pbaddr; 6: short plcsr; 7: short plbuf; 8: short prcsr; 9: u_short prbuf; 10: }; 11: 12: #define VP_ERROR 0100000 13: #define VP_DTCINTR 0040000 14: #define VP_DMAACT 0020000 15: #define VP_READY 0000200 16: #define VP_IENABLE 0000100 17: #define VP_TERMCOM 0000040 18: #define VP_FFCOM 0000020 19: #define VP_EOTCOM 0000010 20: #define VP_CLRCOM 0000004 21: #define VP_RESET 0000002 22: #define VP_SPP 0000001