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Dis5900: Mask and extend the pmfhl & pmthl LUT 

Fixes an OOB access when disassembling an invalid opcode (71756972h)
This commit is contained in:
Ty Lamontagne 2023-08-10 15:19:48 -04:00 committed by refractionpcsx2
parent 2f21caa41c
commit fdb0312326
1 changed files with 3 additions and 3 deletions
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6
pcsx2/DebugTools/DisR5900asm.cpp
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@ -1088,7 +1088,7 @@ void MTSAH( std::string& output ) { _sap("mtsah\t%s, 0x%04X") GPR_REG[DECODE_R
//***************************SPECIAL 2 CPU OPCODES*******************
const char* pmfhl_sub[] = { "lw", "uw", "slw", "lh", "sh" };
const char* pmfhl_sub[] = {"lw", "uw", "slw", "lh", "sh", "??", "??"};
void MADD( std::string& output ) { _sap("madd\t%s, %s %s") GPR_REG[DECODE_RD],GPR_REG[DECODE_RS], GPR_REG[DECODE_RT]); }
void MADDU( std::string& output ) { _sap("maddu\t%s, %s %s") GPR_REG[DECODE_RD],GPR_REG[DECODE_RS], GPR_REG[DECODE_RT]);}
@ -1104,8 +1104,8 @@ void MULTU1( std::string& output ) { _sap("multu1\t%s, %s, %s") GPR_REG[
void DIV1( std::string& output ) { _sap("div1\t%s, %s") GPR_REG[DECODE_RS], GPR_REG[DECODE_RT]); }
void DIVU1( std::string& output ) { _sap("divu1\t%s, %s") GPR_REG[DECODE_RS], GPR_REG[DECODE_RT]); }
//that have parametres that i haven't figure out how to display...
void PMFHL( std::string& output ) { _sap("pmfhl.%s \t%s") pmfhl_sub[DECODE_SA], GPR_REG[DECODE_RD]); }
void PMTHL( std::string& output ) { _sap("pmthl.%s \t%s") pmfhl_sub[DECODE_SA], GPR_REG[DECODE_RS]); }
void PMFHL( std::string& output ) { _sap("pmfhl.%s \t%s") pmfhl_sub[DECODE_SA & 0x7], GPR_REG[DECODE_RD]); }
void PMTHL( std::string& output ) { _sap("pmthl.%s \t%s") pmfhl_sub[DECODE_SA & 0x7], GPR_REG[DECODE_RS]); }
void PSLLH( std::string& output ) { _sap("psllh \t%s, %s, 0x%02X") GPR_REG[DECODE_RD], GPR_REG[DECODE_RT], DECODE_SA); }
void PSRLH( std::string& output ) { _sap("psrlh \t%s, %s, 0x%02X") GPR_REG[DECODE_RD], GPR_REG[DECODE_RT], DECODE_SA);}
void PSRAH( std::string& output ) { _sap("psrah \t%s, %s, 0x%02X") GPR_REG[DECODE_RD], GPR_REG[DECODE_RT], DECODE_SA);}