1987-03-09 19:15:41 +00:00
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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1994-06-24 14:02:31 +00:00
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#define RCSID1 "$Id$"
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1987-02-26 19:46:35 +00:00
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#
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/*
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* PDP 11 Machine dependent C declarations
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*/
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/* Addressing modes */
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#define RMODE 00
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#define AIMODE 020
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#define ADMODE 040
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#define INDMODE 060
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#define RDEFMODE 010
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#define AIDEFMODE 030
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#define ADDEFMODE 050
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#define INDDEFMODE 070
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#define OPLDF 0172400
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#define OPSTF 0174000
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#define OPSOB 077000
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#define OPBRA 0400
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#define low3(z) (((short) z) & 07)
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#define low6(z) (((short) z) & 077)
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#define low7(z) (((short) z) & 0177)
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#define fit3(z) (low3(z) == (z))
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#define fit6(z) (low6(z) == (z))
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#define fit8(z) (lowb(z) == (z))
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extern expr_t exp_1, exp_2;
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extern int rel_1, rel_2;
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extern int im1flag INIT(0);
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extern int im2flag INIT(0);
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2019-03-24 16:12:21 +00:00
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void op1(int mode);
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void op2(int mode);
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void branch(int opc,expr_t exp);
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void ejump(int opc, expr_t exp);
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void sob(int reg, expr_t exp);
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int jump(int opc,int opr);
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valu_t adjust(expr_t exp);
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