/*
$Id: apollo68k.h,v 1.2 1994/05/31 07:08:10 benschop Exp $
Copyright 1992 by the ANSI figForth Development Group
This is the machine-specific part for a HP/Apollo with a 680x0
processor running Domain/OS
*/
/* Cell and UCell must be the same size as a pointer */
typedef long Cell;
typedef unsigned long UCell;
/* DCell and UDCell must be twice as large as Cell */
typedef long long DCell;
typedef unsigned long long UDCell;
/* define this if IEEE singles and doubles are available as C data types */
#define IEEE_FP
/* the IEEE types are used only for loading and storing */
/* the IEEE double precision type */
typedef double DFloat;
/* the IEEE single precision type */
typedef float SFloat;
/* define this if the least-significant byte is at the largets address */
#define BIG_ENDIAN
#ifdef DIRECT_THREADED
/* PFA gives the parameter field address corresponding to a cfa */
#define PFA(cfa) (((Cell *)cfa)+2)
/* PFA1 is a special version for use just after a NEXT1 */
#define PFA1(cfa) PFA(cfa)
/* CODE_ADDRESS is the address of the code jumped to through the code field */
#define CODE_ADDRESS(cfa) (*(Label *)(((char *)(cfa))+2))
/* MAKE_CF creates an appropriate code field at the cfa;
ca is the code address */
#define MAKE_CF(cfa,ca) ({short * _cfa = (short *)cfa; \
_cfa[0] = 0x4ef9; /* jmp.l */ \
*(long *)(_cfa+1) = (long)(ca);})
/* this is the point where the does code starts if label points to the
* jump dodoes */
#define DOES_CODE(label) ((Xt *)(((char *)label)+8))
/* this is a special version of DOES_CODE for use in dodoes */
#define DOES_CODE1(label) DOES_CODE(label)
/* this stores a jump dodoes at ca */
#define MAKE_DOESJUMP(ca) ({short * _ca = (short *)ca; \
_ca[0] = 0x4ef9; /* jmp.l */ \
*(long *)(_ca+1) = (long)&&dodoes;})
#endif
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