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https://github.com/kanjitalk755/macemu.git
synced 2024-09-04 12:29:06 +00:00
- fixed 15 and 16 bpp frame_host_* functions for big endian systems
- conditionally removed unused code for direct addressing or real addressing modes
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@ -19,6 +19,8 @@
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#include "main.h"
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#include "video.h"
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#if !REAL_ADDRESSING && !DIRECT_ADDRESSING
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static bool illegal_mem = false;
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#ifdef SAVE_MEMORY_BANKS
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@ -27,6 +29,12 @@ addrbank *mem_banks[65536];
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addrbank mem_banks[65536];
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#endif
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#ifdef WORDS_BIGENDIAN
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# define swap_words(X) (X)
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#else
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# define swap_words(X) (((X) >> 16) | ((X) << 16))
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#endif
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#ifdef NO_INLINE_MEMORY_ACCESS
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__inline__ uae_u32 longget (uaecptr addr)
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{
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@ -399,7 +407,7 @@ uae_u32 REGPARAM2 frame_host_555_lget(uaecptr addr)
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uae_u32 *m, l;
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m = (uae_u32 *)(FrameBaseDiff + addr);
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l = *m;
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return (l >> 16) | (l << 16);
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return swap_words(l);
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}
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uae_u32 REGPARAM2 frame_host_555_wget(uaecptr addr)
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@ -413,7 +421,7 @@ void REGPARAM2 frame_host_555_lput(uaecptr addr, uae_u32 l)
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{
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uae_u32 *m;
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m = (uae_u32 *)(FrameBaseDiff + addr);
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*m = (l >> 16) | (l << 16);
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*m = swap_words(l);
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}
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void REGPARAM2 frame_host_555_wput(uaecptr addr, uae_u32 w)
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@ -429,7 +437,7 @@ uae_u32 REGPARAM2 frame_host_565_lget(uaecptr addr)
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m = (uae_u32 *)(FrameBaseDiff + addr);
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l = *m;
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l = (l & 0x001f001f) | ((l >> 1) & 0x7fe07fe0);
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return (l >> 16) | (l << 16);
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return swap_words(l);
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}
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uae_u32 REGPARAM2 frame_host_565_wget(uaecptr addr)
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@ -445,7 +453,7 @@ void REGPARAM2 frame_host_565_lput(uaecptr addr, uae_u32 l)
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uae_u32 *m;
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m = (uae_u32 *)(FrameBaseDiff + addr);
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l = (l & 0x001f001f) | ((l << 1) & 0xffc0ffc0);
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*m = (l >> 16) | (l << 16);
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*m = swap_words(l);
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}
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void REGPARAM2 frame_host_565_wput(uaecptr addr, uae_u32 w)
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@ -609,3 +617,6 @@ void map_banks(addrbank *bank, int start, int size)
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for (bnr = start; bnr < start+size; bnr++)
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put_mem_bank((bnr + hioffs) << 16, bank);
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}
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#endif /* !REAL_ADDRESSING && !DIRECT_ADDRESSING */
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