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