diff options
| author | Nebuleon Fumika | 2013-02-01 00:57:15 -0500 |
|---|---|---|
| committer | Nebuleon Fumika | 2013-02-01 00:59:12 -0500 |
| commit | c9c91f327a4ded2f52f13c449690a334623e0fdd (patch) | |
| tree | 1e6c96d320c7097fe1816f955910389ddaf316ae | |
| parent | 60f6ffcc701c4175e31d90f950fb34f6b07a1712 (diff) | |
| download | snesemu-c9c91f327a4ded2f52f13c449690a334623e0fdd.tar.gz snesemu-c9c91f327a4ded2f52f13c449690a334623e0fdd.tar.bz2 snesemu-c9c91f327a4ded2f52f13c449690a334623e0fdd.zip | |
Don't initialise the ROM memory at startup, since a ROM needs to be loaded into it anyway. According to BassAceGold's timings, this should save 179 milliseconds.
| -rw-r--r-- | source/memmap.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/source/memmap.cpp b/source/memmap.cpp index c1546b1..755f7a0 100644 --- a/source/memmap.cpp +++ b/source/memmap.cpp @@ -415,11 +415,12 @@ bool8 CMemory::Init () SRAM = (uint8 *) malloc (0x20000); VRAM = (uint8 *) malloc (0x10000); ROM = (uint8 *) malloc (MAX_ROM_SIZE + 0x200 + 0x8000); - // DS2 DMA notes: Can this be sped up with DMA from a block of zeroes? [Neb] memset (RAM, 0, 0x20000); memset (SRAM, 0, 0x20000); memset (VRAM, 0, 0x10000); - memset (ROM, 0, MAX_ROM_SIZE + 0x200 + 0x8000); + // This needs to be initialised with a ROM first anyway, so don't + // bother memsetting. [Neb] + // memset (ROM, 0, MAX_ROM_SIZE + 0x200 + 0x8000); BSRAM = (uint8 *) malloc (0x80000); memset (BSRAM, 0, 0x80000); |