51 lines
881 B
C
51 lines
881 B
C
/*
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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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#define RCSID1 "$Id$"
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/*
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* Motorola 6809 C declarations
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*/
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extern int dpvalue INIT(-1); /* for setdp pseudo-op */
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#ifndef extern
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extern int regbit[];
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#else
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int regbit[] = { /* push-pull coding */
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6, /* D */
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0x10, /* X */
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0x20, /* Y */
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0x40, /* U */
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0x40, /* S */
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0x80, /* PC */
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-1, -1,
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2, /* A */
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4, /* B */
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1, /* CC */
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8, /* DP */
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};
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#endif
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/*
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* Motorola 6809 register names
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*/
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#define D 0
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#define X 1
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#define Y 2
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#define U 3
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#define S 4
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#define PC 5
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#define A 8
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#define B 9
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#define CC 10
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#define DP 11
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/* Motorola 6809 specific routines */
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void branch(register int opc, expr_t exp);
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int regno(register int r);
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void emit1or2(int n);
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void offset(register int reg, expr_t exp, register int ind);
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