XOR  R1, R1
	BYTE $0xA7; BYTE $0x15; BYTE $0x00; BYTE $0x82 // BRAS 1,(2+(256/2))

	// ASCII -> EBCDIC conversion table:
	BYTE $0x00; BYTE $0x01; BYTE $0x02; BYTE $0x03
	BYTE $0x37; BYTE $0x2d; BYTE $0x2e; BYTE $0x2f
	BYTE $0x16; BYTE $0x05; BYTE $0x15; BYTE $0x0b
	BYTE $0x0c; BYTE $0x0d; BYTE $0x0e; BYTE $0x0f
	BYTE $0x10; BYTE $0x11; BYTE $0x12; BYTE $0x13
	BYTE $0x3c; BYTE $0x3d; BYTE $0x32; BYTE $0x26

	BPX_O_NOLARGEFILE = 0x08
	BPX_O_LARGEFILE   = 0x04
	BPX_O_ASYNCSIG    = 0x02
	BPX_O_SYNC        = 0x01
	//byte4
	BPX_O_CREXCL   = 0xc0
	BPX_O_CREAT    = 0x80
	BPX_O_EXCL     = 0x40
	BPX_O_NOCTTY   = 0x20
	BPX_O_TRUNC    = 0x10
	BPX_O_APPEND   = 0x08
	BPX_O_NONBLOCK = 0x04
	BPX_FNDELAY    = 0x04
	BPX_O_RDWR     = 0x03
	BPX_O_RDONLY   = 0x02
	BPX_O_WRONLY   = 0x01
	BPX_O_ACCMODE  = 0x03
	BPX_O_GETFL    = 0x0f

	sig := []byte{
		0x95, 0x59, 0x6f, 0xd3, 0x10, 0xa2, 0xe7, 0xa2, 0x92, 0x9d,
		0x4a, 0x07, 0x2e, 0x2b, 0x27, 0xcc, 0x06, 0xc2, 0x87, 0x2c,
		0x52, 0xf0, 0x4a, 0xcc, 0x05, 0x94, 0xf2, 0xc3, 0x2e, 0x20,
		0xd7, 0x3e, 0x66, 0x62, 0xb5, 0x95, 0x2b, 0xa3, 0x93, 0x9a,
		0x66, 0x64, 0x25, 0xe0, 0x74, 0x66, 0x8c, 0x3e, 0x92, 0xeb,
		0xc6, 0xe6, 0xc0, 0x44, 0xf3, 0xb4, 0xb4, 0x2e, 0x8c, 0x66,

	0x74, 0x73, 0x22, 0x4a, 0x0a, 0x04, 0x50, 0x6f, 0x72, 0x74, 0x12, 0x21, 0x0a, 0x0c, 0x73, 0x65,
	0x72, 0x76, 0x69, 0x63, 0x65, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d,
	0x52, 0x0b, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x50, 0x6f, 0x72, 0x74, 0x12, 0x1f, 0x0a,
	0x0b, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x5f, 0x70, 0x6f, 0x72, 0x74, 0x18, 0x02, 0x20, 0x01,

	0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x64, 0x12, 0x10, 0x0a, 0x03, 0x68, 0x75, 0x62, 0x18, 0x02,
	0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x68, 0x75, 0x62, 0x12, 0x28, 0x0a, 0x03, 0x74, 0x61, 0x67,
	0x18, 0x03, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x16, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e,
	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x56, 0x61, 0x6c, 0x75, 0x65, 0x52, 0x03,

	EPFNOSUPPORT    = Errno(0x7b)
	EPIPE           = Errno(0x20)
	EPROTO          = Errno(0x47)
	EPROTONOSUPPORT = Errno(0x78)
	EPROTOTYPE      = Errno(0x62)
	ERANGE          = Errno(0x22)
	EREMCHG         = Errno(0x52)
	EREMOTE         = Errno(0x42)
	ERESTART        = Errno(0x5b)
	EROFS           = Errno(0x1e)
	ESHUTDOWN       = Errno(0x8f)
	ESOCKTNOSUPPORT = Errno(0x79)
	ESPIPE          = Errno(0x1d)

	0x7b, 0x88, 0x7e, 0x6f, 0xc6, 0x92, 0xed, 0x63, 0x4b, 0xf6, 0xc3, 0x39, 0x4b, 0xf6, 0x01, 0x2f,
	0xd4, 0x9d, 0x9c, 0x59, 0xdb, 0xcf, 0x06, 0x30, 0x53, 0x42, 0x62, 0xb2, 0x5f, 0x72, 0xab, 0x3d,
	0xe0, 0xd4, 0x7d, 0x30, 0xe3, 0x58, 0x83, 0xd1, 0x45, 0xa7, 0xe5, 0xdc, 0x72, 0x1b, 0x6e, 0xe4,
	0x92, 0x10, 0x3d, 0x09, 0x45, 0xa7, 0x5e, 0x67, 0xd2, 0xdd, 0xf0, 0xc2, 0xd1, 0x7b, 0x7b, 0xa5,

					0x63, 0x74, 0x5f, 0x69, 0x6e, 0x76, 0x61, 0x6c,
					0x69, 0x64, 0x5f, 0x64, 0x72, 0x6f, 0x70, 0x70,
					0x65, 0x64, 0x5f, 0x70, 0x61, 0x63, 0x6b, 0x65,
					0x74, 0x73, 0x00, 0x00, 0x0c, 0x00, 0x02, 0x00,
					0x00, 0x02, 0x68, 0xf3, 0x16, 0x58, 0x0e, 0x63,
					0x0c, 0x00, 0x03, 0x00, 0x12, 0xc5, 0x37, 0xdf,
					0xe5, 0xa1, 0xcd, 0xd1, 0x08, 0x00, 0x04, 0x00,
					0x00, 0x00, 0x00, 0x01,
				}}},

	0x52, 0x06, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x2d, 0x0a, 0x06, 0x67, 0x72, 0x6f, 0x75,
	0x70, 0x73, 0x18, 0x05, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x15, 0x2e, 0x69, 0x73, 0x74, 0x69, 0x6f,
	0x2e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x2e, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x52,
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	0x74, 0x6f, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x08, 0x0a, 0x04, 0x4e, 0x4f, 0x4e,
	0x45, 0x10, 0x00, 0x12, 0x06, 0x0a, 0x02, 0x56, 0x31, 0x10, 0x01, 0x12, 0x06, 0x0a, 0x02, 0x56,
	0x32, 0x10, 0x02, 0x32, 0x88, 0x01, 0x0a, 0x0f, 0x45, 0x63, 0x68, 0x6f, 0x54, 0x65, 0x73, 0x74,
	0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x2f, 0x0a, 0x04, 0x45, 0x63, 0x68, 0x6f, 0x12,