uae-wii/src/md-generic/maccess.h
2009-05-05 15:36:48 +00:00

53 lines
934 B
C

/*
* UAE - The Un*x Amiga Emulator
*
* Memory access functions
*
* Copyright 1996 Bernd Schmidt
*/
STATIC_INLINE uae_u32 do_get_mem_long(uae_u32 *a)
{
uae_u8 *b = (uae_u8 *)a;
return (*b << 24) | (*(b+1) << 16) | (*(b+2) << 8) | (*(b+3));
}
STATIC_INLINE uae_u16 do_get_mem_word(uae_u16 *a)
{
uae_u8 *b = (uae_u8 *)a;
return (*b << 8) | (*(b+1));
}
STATIC_INLINE uae_u8 do_get_mem_byte(uae_u8 *a)
{
return *a;
}
STATIC_INLINE void do_put_mem_long(uae_u32 *a, uae_u32 v)
{
uae_u8 *b = (uae_u8 *)a;
*b = v >> 24;
*(b+1) = v >> 16;
*(b+2) = v >> 8;
*(b+3) = v;
}
STATIC_INLINE void do_put_mem_word(uae_u16 *a, uae_u16 v)
{
uae_u8 *b = (uae_u8 *)a;
*b = v >> 8;
*(b+1) = v;
}
STATIC_INLINE void do_put_mem_byte(uae_u8 *a, uae_u8 v)
{
*a = v;
}
#define call_mem_get_func(func, addr) ((*func)(addr))
#define call_mem_put_func(func, addr, v) ((*func)(addr, v))