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stvcd.cpp: fixed some boundary checks for filters access (nw) (#3092)

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Oliver Stöneberg 2018-01-20 17:33:01 +01:00 committed by Angelo Salese
parent fe854259d2
commit 95e425f233
1 changed files with 4 additions and 4 deletions
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8
src/devices/machine/stvcd.cpp
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@ -608,9 +608,9 @@ void saturn_state::cd_exec_command( void )
} }
else else
{ {
if (parm < 0x24) if (parm < MAX_FILTERS)
{ {
cddevice = &filters[(cr3>>8)]; cddevice = &filters[parm];
} }
} }
@ -1229,7 +1229,7 @@ void saturn_state::cd_exec_command( void )
// read_dir = ((cr3&0xff)<<16)|cr4; // read_dir = ((cr3&0xff)<<16)|cr4;
if((cr3 >> 8) < 0x24) if((cr3 >> 8) < MAX_FILTERS)
cddevice = &filters[cr3 >> 8]; cddevice = &filters[cr3 >> 8];
else else
cddevice = (filterT *)nullptr; cddevice = (filterT *)nullptr;
@ -1324,7 +1324,7 @@ void saturn_state::cd_exec_command( void )
cd_stat = CD_STAT_PLAY|0x80; // set "cd-rom" bit cd_stat = CD_STAT_PLAY|0x80; // set "cd-rom" bit
cd_curfad = (curdir[file_id].firstfad + file_offset); cd_curfad = (curdir[file_id].firstfad + file_offset);
fadstoplay = file_size; fadstoplay = file_size;
if(file_filter < 0x24) if(file_filter < MAX_FILTERS)
cddevice = &filters[file_filter]; cddevice = &filters[file_filter];
else else
cddevice = (filterT *)nullptr; cddevice = (filterT *)nullptr;