Viewing file:  dgrs_asstruct.h (1.1 KB) -rw-r--r--
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/*
* For declaring structures shared with assembly routines
*
* $Id: asstruct.h,v 1.1.1.1 1994/10/23 05:08:32 rick Exp $
*/
#if ASSEMBLER
# define MO(t,a) (a)
# define VMO(t,a) (a)
# define BEGIN_STRUCT(x) _Off=0
# define S1A(t,x,n) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+(1*n)
# define S2A(t,x,n) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+(2*n)
# define S4A(t,x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
# define WORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
# define WORDA(x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
# define VWORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
# define S1(t,x) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+1
# define S2(t,x) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+2
# define S4(t,x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
# define END_STRUCT(x) _Off=(_Off+3)&~3; x=_Off
#else /* C */
#define VMO(t,a) (*(volatile t *)(a))
# define BEGIN_STRUCT(x) struct x {
# define S1(t,x) t x ;
# define S1A(t,x,n) t x[n] ;
# define S2(t,x) t x ;
# define S2A(t,x,n) t x[n] ;
# define S4(t,x) t x ;
# define S4A(t,x,n) t x[n] ;
# define END_STRUCT(x) } ;
#endif
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