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- fixed 15 and 16 bpp frame_host_* functions for big endian systems

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- conditionally removed unused code for direct addressing or real addressing modes
This commit is contained in:
gbeauche 2000-09-22 17:20:01 +00:00
parent 21822f8745
commit b25e3eef89
1 changed files with 15 additions and 4 deletions
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19
BasiliskII/src/uae_cpu/memory.cpp
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@ -19,6 +19,8 @@
#include "main.h"
#include "video.h"
#if !REAL_ADDRESSING && !DIRECT_ADDRESSING
static bool illegal_mem = false;
#ifdef SAVE_MEMORY_BANKS
@ -27,6 +29,12 @@ addrbank *mem_banks[65536];
addrbank mem_banks[65536];
#endif
#ifdef WORDS_BIGENDIAN
# define swap_words(X) (X)
#else
# define swap_words(X) (((X) >> 16) | ((X) << 16))
#endif
#ifdef NO_INLINE_MEMORY_ACCESS
__inline__ uae_u32 longget (uaecptr addr)
{
@ -399,7 +407,7 @@ uae_u32 REGPARAM2 frame_host_555_lget(uaecptr addr)
uae_u32 *m, l;
m = (uae_u32 *)(FrameBaseDiff + addr);
l = *m;
return (l >> 16) | (l << 16);
return swap_words(l);
}
uae_u32 REGPARAM2 frame_host_555_wget(uaecptr addr)
@ -413,7 +421,7 @@ void REGPARAM2 frame_host_555_lput(uaecptr addr, uae_u32 l)
{
uae_u32 *m;
m = (uae_u32 *)(FrameBaseDiff + addr);
*m = (l >> 16) | (l << 16);
*m = swap_words(l);
}
void REGPARAM2 frame_host_555_wput(uaecptr addr, uae_u32 w)
@ -429,7 +437,7 @@ uae_u32 REGPARAM2 frame_host_565_lget(uaecptr addr)
m = (uae_u32 *)(FrameBaseDiff + addr);
l = *m;
l = (l & 0x001f001f) | ((l >> 1) & 0x7fe07fe0);
return (l >> 16) | (l << 16);
return swap_words(l);
}
uae_u32 REGPARAM2 frame_host_565_wget(uaecptr addr)
@ -445,7 +453,7 @@ void REGPARAM2 frame_host_565_lput(uaecptr addr, uae_u32 l)
uae_u32 *m;
m = (uae_u32 *)(FrameBaseDiff + addr);
l = (l & 0x001f001f) | ((l << 1) & 0xffc0ffc0);
*m = (l >> 16) | (l << 16);
*m = swap_words(l);
}
void REGPARAM2 frame_host_565_wput(uaecptr addr, uae_u32 w)
@ -609,3 +617,6 @@ void map_banks(addrbank *bank, int start, int size)
for (bnr = start; bnr < start+size; bnr++)
put_mem_bank((bnr + hioffs) << 16, bank);
}
#endif /* !REAL_ADDRESSING && !DIRECT_ADDRESSING */