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action replay - attempt to avoid running off the end of cheat codes and crashing in case of invalid codes (fixes #78)

This commit is contained in:
zeromus 2017-07-26 23:48:50 -05:00
parent 1e5e47f75e
commit 5893dc78f3
1 changed files with 4 additions and 0 deletions
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4
desmume/src/cheatSystem.cpp
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@ -542,6 +542,7 @@ void CHEATS::ARparser(CHEATS_LIST& list)
if(y>0) i++; //skip over the current code
while(y>=4)
{
if(i==list.num) break; //if we erroneously went off the end, bail
u32 tmp = list.code[i][t];
if(t==1) i++;
t ^= 1;
@ -551,6 +552,7 @@ void CHEATS::ARparser(CHEATS_LIST& list)
}
while(y>0)
{
if(i==list.num) break; //if we erroneously went off the end, bail
u32 tmp = list.code[i][t]>>b;
CheatWrite(8,st.proc,addr,tmp);
addr += 1;
@ -576,6 +578,7 @@ void CHEATS::ARparser(CHEATS_LIST& list)
operand = x; //mis-use of this variable to store dst
while(y>=4)
{
if(i==list.num) break; //if we erroneously went off the end, bail
u32 tmp = _MMU_read32(st.proc,MMU_AT_DEBUG,addr);
CheatWrite(32, st.proc,operand,tmp);
addr += 4;
@ -584,6 +587,7 @@ void CHEATS::ARparser(CHEATS_LIST& list)
}
while(y>0)
{
if(i==list.num) break; //if we erroneously went off the end, bail
u8 tmp = _MMU_read08(st.proc,MMU_AT_DEBUG,addr);
CheatWrite(8,st.proc,operand,tmp);
addr += 1;