/*	PDP11 Registers */

	/* scratch registers */
# define AX 0
# define DX 1
# define BX 2

	/* register variables */
# define SI 3
# define DI 4

	/* special purpose */
# define CX 5
# define BP 6
# define SP 7

# define SAVEREGION 6 /* number of bytes for save area */

# define BYTEOFF(x) ((x)&01)
# define wdal(k) (BYTEOFF(k)==0)
# define BITOOR(x) ((x)>>3)  /* bit offset to oreg offset */

# define REGSZ 8

# define TMPREG BP


# define STOARG(p)     /* just evaluate the arguments, and be done with it... */
# define STOFARG(p)
# define STOSTARG(p)
# define genfcall(a,b) gencall(a,b)


	/* shape for constants between -128 and 127 */
# define SCCON (SPECIAL+100)
	/* shape for constants between 0 and 32767 */
# define SICON (SPECIAL+101)
	/* shape for constants with no name component */
# define SXCON (SPECIAL+102)

# define MYREADER(p) myreader(p)
extern int fltused;
	/* calls can be nested on the PDP-11 */
# define NESTCALLS
