pdp11defs

unix v7是最后一个广泛发布的研究型UNIX版本

#ifndef TARGET
TARGET NOT DEFINED !!!
#endif
#if TARGET!=PDP11
Target= TARGET OUT OF RANGE!!
#endif

#ifndef FAMILY
FAMILY NOT DEFINED!!!
#endif
#if FAMILY!=SCJ && FAMILY!=DMR
Family = FAMILY OUT OF RANGE
#endif

#define TYLENG	TYLONG

#define TYINT	TYSHORT
#define SZADDR	2
#define SZSHORT	2
#define SZINT	2

#define SZLONG	4
#define SZLENG	SZLONG

#define ALIADDR SZADDR
#define ALISHORT SZSHORT
#define ALILONG 2
#define ALIDOUBLE 2
#define ALIINT	ALILONG
#define ALILENG	ALILONG


#define AUTOREG 5
#define ARGREG 4
#define SAVESPACE 6

#define FUDGEOFFSET 1
#define BITSPERCHAR 8
#define XL 8

#define USETEXT	"\t.text"
#define USECONST	"\t.data"
#define USEBSS	"\t.bss"
#define USEINIT	"\t.data"

#define BLANKCOMMON "_BLNK_"

#define LABELFMT "%s:\n"
#define MAXSHORT 32767

#define MAXREGVAR 2
#define TYIREG TYSHORT
#define MSKIREG  M(TYSHORT)