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Merge pull request #5534 from DavidHaywood/230819

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side-effects disable in pentagon (nw)
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ajrhacker 2019-08-24 10:24:06 -04:00 committed by GitHub
commit 80154bebf8
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1 changed files with 15 additions and 9 deletions
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24
src/mame/drivers/pentagon.cpp
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@ -164,23 +164,29 @@ READ8_MEMBER(pentagon_state::beta_neutral_r)
READ8_MEMBER(pentagon_state::beta_enable_r)
{
if(m_ROMSelection == 1) {
m_ROMSelection = 3;
if (m_beta->started()) {
m_beta->enable();
m_bank1->set_base(memregion("beta:beta")->base());
if (!(machine().side_effects_disabled())) {
if (m_ROMSelection == 1) {
m_ROMSelection = 3;
if (m_beta->started()) {
m_beta->enable();
m_bank1->set_base(memregion("beta:beta")->base());
}
}
}
return m_program->read_byte(offset + 0x3d00);
}
READ8_MEMBER(pentagon_state::beta_disable_r)
{
if (m_beta->started() && m_beta->is_active()) {
m_ROMSelection = BIT(m_port_7ffd_data, 4);
m_beta->disable();
m_bank1->set_base(&m_p_ram[0x10000 + (m_ROMSelection<<14)]);
if (!(machine().side_effects_disabled())) {
if (m_beta->started() && m_beta->is_active()) {
m_ROMSelection = BIT(m_port_7ffd_data, 4);
m_beta->disable();
m_bank1->set_base(&m_p_ram[0x10000 + (m_ROMSelection << 14)]);
}
}
return m_program->read_byte(offset + 0x4000);
}