Mercurial > repos > blastem
changeset 1324:2fc444b69351
Minor optimization to avoid invalidating translated code when the bank has not actually changed. Makes a nasty edge case in the 68K debugger slightly less severe when dealing with code that uses banking
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Fri, 21 Apr 2017 01:19:40 -0700 |
parents | c9dc2603b087 |
children | 58bfbed6cdb5 |
files | romdb.c |
diffstat | 1 files changed, 5 insertions(+), 2 deletions(-) [+] |
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--- a/romdb.c Thu Apr 20 22:28:58 2017 -0700 +++ b/romdb.c Fri Apr 21 01:19:40 2017 -0700 @@ -296,8 +296,11 @@ } } } else { - m68k_invalidate_code_range(gen->m68k, address * 0x80000, (address + 1) * 0x80000); - context->mem_pointers[gen->mapper_start_index + address] = gen->cart + 0x40000*value; + void *new_ptr = gen->cart + 0x40000*value; + if (context->mem_pointers[gen->mapper_start_index + address] != new_ptr) { + m68k_invalidate_code_range(gen->m68k, address * 0x80000, (address + 1) * 0x80000); + context->mem_pointers[gen->mapper_start_index + address] = new_ptr; + } } return context; }