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"if( address < 0x800000)" was useless

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This commit is contained in:
Michaël Banaan Ananas 2013-06-01 15:35:19 +00:00
parent 3f37f6af54
commit f77bd512cd
1 changed files with 9 additions and 13 deletions
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22
src/emu/sound/ymf271.c
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@ -1323,23 +1323,15 @@ void ymf271_device::device_timer(emu_timer &timer, device_timer_id id, int param
UINT8 ymf271_device::ymf271_read_ext_memory(UINT32 address)
{
if( !m_ext_read_handler.isnull() )
{
return m_ext_read_handler(address);
}
else
{
if( address < 0x800000)
return m_rom[address];
}
return 0xff;
return m_rom[address];
}
void ymf271_device::ymf271_write_ext_memory(UINT32 address, UINT8 data)
{
if( !m_ext_write_handler.isnull() )
{
m_ext_write_handler(address, data);
}
}
void ymf271_device::ymf271_write_timer(int data)
@ -1376,11 +1368,13 @@ void ymf271_device::ymf271_write_timer(int data)
case 0x13:
if (data & 1)
{ // timer A load
{
// timer A load
m_timerAVal = m_timerA;
}
if (data & 2)
{ // timer B load
{
// timer B load
m_timerBVal = m_timerB;
}
if (data & 4)
@ -1394,7 +1388,8 @@ void ymf271_device::ymf271_write_timer(int data)
m_enable |= 8;
}
if (data & 0x10)
{ // timer A reset
{
// timer A reset
m_irqstate &= ~1;
m_status &= ~1;
@ -1405,7 +1400,8 @@ void ymf271_device::ymf271_write_timer(int data)
m_timA->adjust(period, 0, period);
}
if (data & 0x20)
{ // timer B reset
{
// timer B reset
m_irqstate &= ~2;
m_status &= ~2;