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Allow 2 megabit SRAM for SA-1 homebrew.

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This commit is contained in:
byuu 2019-10-01 06:56:50 +09:00
parent 4efee7e9f1
commit f19f31938b
1 changed files with 6 additions and 4 deletions
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10
bsnes/heuristics/super-famicom.cpp
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@ -454,15 +454,17 @@ auto SuperFamicom::firmwareRomSize() const -> uint {
}
auto SuperFamicom::ramSize() const -> uint {
auto ramSize = data[headerAddress + 0x28] & 7;
if(ramSize) return 1024 << ramSize;
auto ramSize = data[headerAddress + 0x28] & 15;
if(ramSize > 8) ramSize = 8;
if(ramSize > 0) return 1024 << ramSize;
return 0;
}
auto SuperFamicom::expansionRamSize() const -> uint {
if(data[headerAddress + 0x2a] == 0x33) {
auto ramSize = data[headerAddress + 0x0d] & 7;
if(ramSize) return 1024 << ramSize;
auto ramSize = data[headerAddress + 0x0d] & 15;
if(ramSize > 8) ramSize = 8;
if(ramSize > 0) return 1024 << ramSize;
}
if((data[headerAddress + 0x26] >> 4) == 1) {
//GSU: Starfox / Starwing lacks an extended header; but still has expansion RAM