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s14001a: level triggered 1-bit handler does not make sense,

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sg1000a: small note update
This commit is contained in:
hap 2024-08-24 19:09:13 +02:00
parent 617d79b2a1
commit 692d1f7069
2 changed files with 9 additions and 7 deletions
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4
src/devices/sound/s14001a.cpp
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@ -333,9 +333,9 @@ void s14001a_device::data_w(u8 data)
void s14001a_device::start_w(int state) void s14001a_device::start_w(int state)
{ {
m_stream->update(); m_stream->update();
m_bStart = (state != 0); if (state && !m_bStart)
if (m_bStart)
m_uStateP1 = states::WORDWAIT; m_uStateP1 = states::WORDWAIT;
m_bStart = (state != 0);
} }
void s14001a_device::set_clock(u32 clock) void s14001a_device::set_clock(u32 clock)

12
src/mame/sega/sg1000a.cpp
View File

@ -1,9 +1,9 @@
// license:BSD-3-Clause // license:BSD-3-Clause
// copyright-holders:Tomasz Slanina // copyright-holders:Tomasz Slanina
/********************************************************* /*********************************************************
Sega hardware based on their SG-1000 console
Driver by Tomasz Slanina
Sega arcade hardware based on their SG-1000 console
Driver by Tomasz Slanina
Supported games : Supported games :
- Champion Boxing - Champion Boxing
@ -285,10 +285,11 @@ namespace {
class sg1000a_state : public driver_device class sg1000a_state : public driver_device
{ {
public: public:
sg1000a_state(const machine_config &mconfig, device_type type, const char *tag) sg1000a_state(const machine_config &mconfig, device_type type, const char *tag) :
: driver_device(mconfig, type, tag), driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"), m_maincpu(*this, "maincpu"),
m_decrypted_opcodes(*this, "decrypted_opcodes") { } m_decrypted_opcodes(*this, "decrypted_opcodes")
{ }
void sderbys(machine_config &config); void sderbys(machine_config &config);
void sderby2s(machine_config &config); void sderby2s(machine_config &config);
@ -521,6 +522,7 @@ void sg1000a_state::sderbys(machine_config &config)
sderby2s(config); sderby2s(config);
m_maincpu->set_addrmap(AS_OPCODES, &sg1000a_state::decrypted_opcodes_map); m_maincpu->set_addrmap(AS_OPCODES, &sg1000a_state::decrypted_opcodes_map);
} }
/************************************* /*************************************
* *
* ROM definitions * ROM definitions