diff options
| -rw-r--r-- | libpcsxcore/psxbios.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c index 90c11ae..fc28ff8 100644 --- a/libpcsxcore/psxbios.c +++ b/libpcsxcore/psxbios.c @@ -1010,9 +1010,24 @@ void psxBios_realloc() { // 0x38 #endif a0 = block; - psxBios_free(); - a0 = size; - psxBios_malloc(); + /* If "old_buf" is zero, executes malloc(new_size), and returns r2=new_buf (or 0=failed). */ + if (block == 0) + { + psxBios_malloc(); + } + /* Else, if "new_size" is zero, executes free(old_buf), and returns r2=garbage. */ + else if (size == 0) + { + psxBios_free(); + } + /* Else, executes malloc(new_size), bcopy(old_buf,new_buf,new_size), and free(old_buf), and returns r2=new_buf (or 0=failed). */ + /* Note that it is not quite implemented this way here. */ + else + { + psxBios_free(); + a0 = size; + psxBios_malloc(); + } } |