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Implement SA1 I-RAM write protection

This commit is contained in:
Morilli 2024-09-22 01:19:47 +02:00 committed by Screwtapello
parent 710d92cbdd
commit cdef244f38
1 changed files with 2 additions and 0 deletions
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2
bsnes/sfc/coprocessor/sa1/iram.cpp
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@ -24,6 +24,7 @@ auto SA1::IRAM::readCPU(uint address, uint8 data) -> uint8 {
auto SA1::IRAM::writeCPU(uint address, uint8 data) -> void { auto SA1::IRAM::writeCPU(uint address, uint8 data) -> void {
cpu.synchronizeCoprocessors(); cpu.synchronizeCoprocessors();
if(!(sa1.mmio.siwp & 1 << (address >> 8 & 7))) return;
return write(address, data); return write(address, data);
} }
@ -32,5 +33,6 @@ auto SA1::IRAM::readSA1(uint address, uint8 data) -> uint8 {
} }
auto SA1::IRAM::writeSA1(uint address, uint8 data) -> void { auto SA1::IRAM::writeSA1(uint address, uint8 data) -> void {
if(!(sa1.mmio.ciwp & 1 << (address >> 8 & 7))) return;
return write(address, data); return write(address, data);
} }