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Fixed regression with Shienryu

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This commit is contained in:
Angelo Salese 2013-02-13 23:51:22 +00:00
parent 9e714747a7
commit a7dbfe5d91
1 changed files with 8 additions and 0 deletions
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8
src/emu/machine/smpc.c
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@ -315,6 +315,8 @@ static TIMER_CALLBACK( stv_smpc_intback )
saturn_state *state = machine.driver_data<saturn_state>();
int i;
// printf("%02x %02x %02x\n",state->m_smpc.intback_buf[0],state->m_smpc.intback_buf[1],state->m_smpc.intback_buf[2]);
if(state->m_smpc.intback_buf[0] != 0)
{
state->m_smpc.OREG[0] = (0x80) | ((state->m_NMI_reset & 1) << 6);
@ -365,6 +367,12 @@ static TIMER_CALLBACK( stv_smpc_intback )
state->m_smpc.OREG[31] = 0x10;
machine.scheduler().timer_set(attotime::from_usec(0), FUNC(stv_intback_peripheral),0);
}
else
{
/* Shienryu calls this, it would be plainly illegal on Saturn, I'll just return the command and clear the hs flag for now. */
state->m_smpc.OREG[31] = 0x10;
state->m_smpc.SF = 0x00;
}
}