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added assert for index out-of-bounds access with sc4dnda (nw)

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This commit is contained in:
Oliver Stöneberg 2014-08-10 03:43:22 +00:00
parent ad4088d3c4
commit e440c631ed
1 changed files with 2 additions and 0 deletions
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2
src/emu/machine/68307tmu.c
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@ -155,6 +155,7 @@ UINT16 m68307_timer::read_tcn(UINT16 mem_mask, int which)
void m68307_timer::write_ter(UINT16 data, UINT16 mem_mask, int which) void m68307_timer::write_ter(UINT16 data, UINT16 mem_mask, int which)
{ {
assert(which >= 0 && which < ARRAY_LENGTH(singletimer));
m68307_single_timer* tptr = &singletimer[which]; m68307_single_timer* tptr = &singletimer[which];
if (data & 0x2) tptr->regs[m68307TIMER_TMR] &= ~0x2; if (data & 0x2) tptr->regs[m68307TIMER_TMR] &= ~0x2;
} }
@ -212,6 +213,7 @@ void m68307_timer::write_tmr(UINT16 data, UINT16 mem_mask, int which)
void m68307_timer::write_trr(UINT16 data, UINT16 mem_mask, int which) void m68307_timer::write_trr(UINT16 data, UINT16 mem_mask, int which)
{ {
assert(which >= 0 && which < ARRAY_LENGTH(singletimer));
m68307_single_timer* tptr = &singletimer[which]; m68307_single_timer* tptr = &singletimer[which];
COMBINE_DATA(&tptr->regs[m68307TIMER_TRR]); COMBINE_DATA(&tptr->regs[m68307TIMER_TRR]);