lxdream.org :: lxdream/src/mem.h r975:007bf7eb944f

filename	src/mem.h
changeset	975:007bf7eb944f
prev	953:f4a156508ad1
next	1065:bc1cc0c54917
author	nkeynes
date	Mon Jan 26 07:26:24 2009 +0000 (14 years ago)
permissions	-rw-r--r--
last change	Add read_byte_for_write mem function for correct implementation of AND.B and friends with TLB enabled. Add read_byte and read_long MMIO stubs to do correct sign extension of IO reads

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     1.1 --- a/src/mem.h	Tue Jan 13 11:56:28 2009 +0000
     1.2 +++ b/src/mem.h	Mon Jan 26 07:26:24 2009 +0000
     1.3 @@ -58,6 +58,8 @@
     1.4       * spaces are automatically forced to unmapped_prefetch by mem.c
     1.5       */
     1.6      mem_prefetch_fn_t prefetch;
     1.7 +    /* Convenience for SH4 byte read/modify/write instructions */
     1.8 +    mem_read_fn_t read_byte_for_write;
     1.9  } *mem_region_fn_t;
    1.10  
    1.11  int32_t FASTCALL unmapped_read_long( sh4addr_t addr );