1.1 --- a/src/mem.c	Fri Jul 31 13:45:32 2009 +1000
     1.2 +++ b/src/mem.c	Sun Feb 12 16:30:26 2012 +1000
     1.3 @@ -83,6 +83,30 @@
     1.4      /* No effect */
     1.5  }
     1.6  
     1.7 +void FASTCALL default_write_burst( sh4addr_t addr, unsigned char *src )
     1.8 +{
     1.9 +    mem_write_fn_t writefn = ext_address_space[(addr&0x1FFFFFFF)>>12]->write_long;
    1.10 +    uint32_t *p = (uint32_t *)src;
    1.11 +    sh4addr_t end = addr + 32;
    1.12 +    while( addr < end ) {
    1.13 +        writefn(addr, *p);
    1.14 +        addr += 4;
    1.15 +        p += 4;
    1.16 +    }
    1.17 +}
    1.18 +
    1.19 +void FASTCALL default_read_burst( unsigned char *dest, sh4addr_t addr )
    1.20 +{
    1.21 +    mem_read_fn_t readfn = ext_address_space[(addr&0x1FFFFFFF)>>12]->read_long;
    1.22 +    uint32_t *p = (uint32_t *)dest;
    1.23 +    sh4addr_t end = addr + 32;
    1.24 +    while( addr < end ) {
    1.25 +        *p = readfn(addr);
    1.26 +        addr += 4;
    1.27 +        p += 4;
    1.28 +    }
    1.29 +}
    1.30 +
    1.31  struct mem_region_fn mem_region_unmapped = { 
    1.32          unmapped_read_long, unmapped_write_long, 
    1.33          unmapped_read_long, unmapped_write_long, 
    1.34 @@ -400,6 +424,10 @@
    1.35      io->save_mem = io->mem + LXDREAM_PAGE_SIZE;
    1.36      io->index = (struct mmio_port **)malloc(1024*sizeof(struct mmio_port *));
    1.37      io->trace_flag = 0;
    1.38 +    if( io->fn.write_burst == NULL )
    1.39 +        io->fn.write_burst = default_write_burst;
    1.40 +    if( io->fn.read_burst == NULL )
    1.41 +        io->fn.read_burst = default_read_burst;
    1.42      memset( io->index, 0, 1024*sizeof(struct mmio_port *) );
    1.43      for( i=0; io->ports[i].id != NULL; i++ ) {
    1.44          io->ports[i].val = (uint32_t *)(io->mem + io->ports[i].offset);