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Revert "Possibly controversial i2cmem change, please lemme know if something breaks (nw)"

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Not to smf's standards, and I that point I just can't be bothered anymore.
This commit is contained in:
Olivier Galibert 2020-03-01 22:45:21 +01:00
parent 0e448ba32a
commit 84626917fe
1 changed files with 1 additions and 14 deletions
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15
src/devices/machine/i2cmem.cpp
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@ -344,13 +344,7 @@ WRITE_LINE_MEMBER( i2cmem_device::write_scl )
switch( m_state )
{
case STATE_DEVSEL:
if( m_shift & 1 )
{
verboselog( this, 1, "switching to read\n");
m_devsel &= 0x0e;
m_devsel |= (m_shift & 0xf1);
}
else m_devsel = m_shift;
m_devsel = m_shift;
if( !select_device() )
{
@ -513,13 +507,6 @@ int i2cmem_device::select_device()
int device = ( m_slave_address & 0xf0 ) | ( m_e2 << 3 ) | ( m_e1 << 2 ) | ( m_e0 << 1 );
int mask = DEVSEL_ADDRESS & ~( address_mask() >> 7 );
if( m_devsel == 0 )
{
verboselog( this, 2, "acknowledging global call\n");
m_sdar = 0;
return 1;
}
if( ( m_devsel & mask ) == ( device & mask ) )
{
return 1;