a_dinosaur/ZSNES
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Lower memory usage.

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This commit is contained in:
n-a-c-h
2005-05-13 15:15:40 +00:00
parent 7ec7bba8f2
commit 3099ada6d4
1 changed files with 14 additions and 2 deletions
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16
zsnes/src/zstate.c
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@@ -309,11 +309,23 @@ void InitRewindVars()
} }
//This is used to preserve system load state between loads //This is used to preserve system load state between loads
static unsigned char BackupSystemBuffer[0x800000]; //Half a megabyte, should be enough for a while static unsigned char *BackupSystemBuffer = 0;
void BackupSystemVars() void BackupSystemVars()
{ {
unsigned char *buffer = BackupSystemBuffer; unsigned char *buffer;
if (!BackupSystemBuffer)
{
void *doMemAlloc(size_t);
state_size = 0;
copy_snes_data(&buffer, state_size_tally);
copy_spc_data(&buffer, state_size_tally);
copy_extra_data(&buffer, state_size_tally);
BackupSystemBuffer = doMemAlloc(state_size);
}
buffer = BackupSystemBuffer;
copy_snes_data(&buffer, memcpyinc); copy_snes_data(&buffer, memcpyinc);
copy_spc_data(&buffer, memcpyinc); copy_spc_data(&buffer, memcpyinc);
copy_extra_data(&buffer, memcpyinc); copy_extra_data(&buffer, memcpyinc);