1 /*
2 * UAE - The Un*x Amiga Emulator
3 *
4 * Memory access functions
5 *
6 * Copyright 1996 Bernd Schmidt
7 */
8
do_get_mem_long(ULONG * a)9 static __inline__ ULONG do_get_mem_long(ULONG *a)
10 {
11 UBYTE *b = (UBYTE *)a;
12
13 return (*b << 24) | (*(b+1) << 16) | (*(b+2) << 8) | (*(b+3));
14 }
15
do_get_mem_word(UWORD * a)16 static __inline__ UWORD do_get_mem_word(UWORD *a)
17 {
18 UBYTE *b = (UBYTE *)a;
19
20 return (*b << 8) | (*(b+1));
21 }
22
do_get_mem_byte(UBYTE * a)23 static __inline__ UBYTE do_get_mem_byte(UBYTE *a)
24 {
25 return *a;
26 }
27
do_put_mem_long(ULONG * a,ULONG v)28 static __inline__ void do_put_mem_long(ULONG *a, ULONG v)
29 {
30 UBYTE *b = (UBYTE *)a;
31
32 *b = v >> 24;
33 *(b+1) = v >> 16;
34 *(b+2) = v >> 8;
35 *(b+3) = v;
36 }
37
do_put_mem_word(UWORD * a,UWORD v)38 static __inline__ void do_put_mem_word(UWORD *a, UWORD v)
39 {
40 UBYTE *b = (UBYTE *)a;
41
42 *b = v >> 8;
43 *(b+1) = v;
44 }
45
do_put_mem_byte(UBYTE * a,UBYTE v)46 static __inline__ void do_put_mem_byte(UBYTE *a, UBYTE v)
47 {
48 *a = v;
49 }
50
51 #define call_mem_get_func(func, addr) ((*func)(addr))
52 #define call_mem_put_func(func, addr, v) ((*func)(addr, v))
53
54 #undef USE_MAPPED_MEMORY
55 #undef CAN_MAP_MEMORY
56 #undef NO_INLINE_MEMORY_ACCESS
57 #undef MD_HAVE_MEM_1_FUNCS
58
59