1 /*
2 * For declaring structures shared with assembly routines
3 *
4 * $Id: asstruct.h,v 1.1.1.1 1994/10/23 05:08:32 rick Exp $
5 */
6
7 #if ASSEMBLER
8
9 # define MO(t,a) (a)
10 # define VMO(t,a) (a)
11
12 # define BEGIN_STRUCT(x) _Off=0
13 # define S1A(t,x,n) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+(1*n)
14 # define S2A(t,x,n) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+(2*n)
15 # define S4A(t,x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
16 # define WORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
17 # define WORDA(x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
18 # define VWORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
19 # define S1(t,x) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+1
20 # define S2(t,x) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+2
21 # define S4(t,x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
22 # define END_STRUCT(x) _Off=(_Off+3)&~3; x=_Off
23
24 #else /* C */
25
26 #define VMO(t,a) (*(volatile t *)(a))
27
28 # define BEGIN_STRUCT(x) struct x {
29 # define S1(t,x) t x ;
30 # define S1A(t,x,n) t x[n] ;
31 # define S2(t,x) t x ;
32 # define S2A(t,x,n) t x[n] ;
33 # define S4(t,x) t x ;
34 # define S4A(t,x,n) t x[n] ;
35 # define END_STRUCT(x) } ;
36
37 #endif
38
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