--- BasiliskII/src/Unix/sysdeps.h	2000/11/30 16:20:52	1.15
+++ BasiliskII/src/Unix/sysdeps.h	2001/07/06 17:36:08	1.19
@@ -1,7 +1,7 @@
 /*
  *  sysdeps.h - System dependent definitions for Unix
  *
- *  Basilisk II (C) 1997-2000 Christian Bauer
+ *  Basilisk II (C) 1997-2001 Christian Bauer
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -155,9 +155,6 @@ typedef struct timespec tm_time_t;
 typedef struct timeval tm_time_t;
 #endif
 
-/* Offset Mac->Unix time in seconds */
-#define TIME_OFFSET 0x7c25b080
-
 /* UAE CPU data types */
 #define uae_s8 int8
 #define uae_u8 uint8
@@ -236,6 +233,15 @@ static inline void do_put_mem_word(uae_u
 #else
 static inline void do_put_mem_word(uae_u16 *a, uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); *a = v;}
 #endif
+#define HAVE_OPTIMIZED_BYTESWAP_32
+/* bswap doesn't affect condition codes */
+static inline uae_u32 do_byteswap_32(uae_u32 v) {__asm__ ("bswap %0" : "=r" (v) : "0" (v)); return v;}
+#define HAVE_OPTIMIZED_BYTESWAP_16
+#ifdef X86_PPRO_OPT
+static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("bswapl %0" : "=&r" (v) : "0" (v << 16) : "cc"); return v;}
+#else
+static inline uae_u32 do_byteswap_16(uae_u32 v) {__asm__ ("rolw $8,%0" : "=r" (v) : "0" (v) : "cc"); return v;}
+#endif
 
 #elif defined(CPU_CAN_ACCESS_UNALIGNED)
 
@@ -257,6 +263,16 @@ static inline void do_put_mem_word(uae_u
 
 #endif /* WORDS_BIGENDIAN */
 
+#ifndef HAVE_OPTIMIZED_BYTESWAP_32
+static inline uae_u32 do_byteswap_32(uae_u32 v)
+	{ return (((v >> 24) & 0xff) | ((v >> 8) & 0xff00) | ((v & 0xff) << 24) | ((v & 0xff00) << 8)); }
+#endif
+
+#ifndef HAVE_OPTIMIZED_BYTESWAP_16
+static inline uae_u32 do_byteswap_16(uae_u32 v)
+	{ return (((v >> 8) & 0xff) | ((v & 0xff) << 8)); }
+#endif
+
 #define do_get_mem_byte(a) ((uae_u32)*((uae_u8 *)(a)))
 #define do_put_mem_byte(a, v) (*(uae_u8 *)(a) = (v))
 
@@ -269,8 +285,6 @@ static inline void do_put_mem_word(uae_u
 #define ENUMDECL typedef enum
 #define ENUMNAME(name) name
 #define write_log printf
-#undef USE_MAPPED_MEMORY
-#undef CAN_MAP_MEMORY
 
 #ifdef X86_ASSEMBLY
 #define ASM_SYM_FOR_FUNC(a) __asm__(a)