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This commit is contained in:
Michaël Banaan Ananas 2014-02-26 21:08:47 +00:00
parent 95841d211e
commit d961bfd2e8
1 changed files with 15 additions and 7 deletions
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16
src/emu/machine/msm5832.c
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@ -182,13 +182,14 @@ READ8_MEMBER( msm5832_device::data_r )
{
// TODO reference output
}
else if (m_address > REGISTER_Y10) // Otrona Attache CP/M BIOS checks these unused registers to detect it
else if (m_address <= REGISTER_Y10)
{
data = 0x0f;
data = m_reg[m_address];
}
else
{
data = m_reg[m_address];
// Otrona Attache CP/M BIOS checks unused registers to detect it
data = 0x0f;
}
}
@ -206,7 +207,13 @@ WRITE8_MEMBER( msm5832_device::data_w )
{
if (LOG) logerror("MSM5832 '%s' Register Write %01x: %01x\n", tag(), m_address, data & 0x0f);
if (m_cs && m_write && m_address <= REGISTER_Y10)
if (m_cs && m_write)
{
if (m_address == REGISTER_REF)
{
// TODO reference output
}
else if (m_address <= REGISTER_Y10)
{
m_reg[m_address] = data & 0x0f;
@ -214,6 +221,7 @@ WRITE8_MEMBER( msm5832_device::data_w )
read_counter(REGISTER_H1), read_counter(REGISTER_MI1), read_counter(REGISTER_S1));
}
}
}
//-------------------------------------------------