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gt913: fix 16-bit output port (used by ctk530 display) (#12344)

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Devin Acker 2024-05-06 06:46:14 -04:00 committed by GitHub
parent 815874eefb
commit 12c5b7a5d1
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3 changed files with 9 additions and 13 deletions
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3
src/devices/cpu/h8/gt913.cpp
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@ -31,6 +31,7 @@ gt913_device::gt913_device(const machine_config &mconfig, const char *tag, devic
device_mixer_interface(mconfig, *this, 2),
m_rom(*this, DEVICE_SELF),
m_data_config("data", ENDIANNESS_BIG, 16, 22, 0),
m_write_ple(*this),
m_intc(*this, "intc"),
m_sound(*this, "gt_sound"),
m_kbd(*this, "kbd"),
@ -54,7 +55,7 @@ void gt913_device::map(address_map &map)
/* ctk530 writes here to latch LED matrix data, which generates an active high strobe on pin 99 (PLE/P16)
there's otherwise no external address decoding (or the usual read/write strobes) used for the LED latches.
just treat as a 16-bit write-only port for now */
map(0xe000, 0xe001).lw16(NAME([this](u16 data) { do_write_port(h8_device::PORT_4, data, ~0); }));
map(0xe000, 0xe001).lw16(NAME([this](u16 data) { m_write_ple(data); }));
map(0xfac0, 0xffbf).ram();

4
src/devices/cpu/h8/gt913.h
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@ -33,8 +33,7 @@ public:
auto write_port2() { return m_write_port[PORT_2].bind(); }
auto read_port3() { return m_read_port [PORT_3].bind(); }
auto write_port3() { return m_write_port[PORT_3].bind(); }
auto read_port4() { return m_read_port [PORT_4].bind(); }
auto write_port4() { return m_write_port[PORT_4].bind(); }
auto write_ple() { return m_write_ple.bind(); }
void uart_rate_w(u8 data);
void uart_control_w(offs_t offset, u8 data);
@ -91,6 +90,7 @@ protected:
address_space_config m_data_config;
memory_access<32, 1, 0, ENDIANNESS_BIG>::specific m_data;
devcb_write16 m_write_ple;
u16 m_banknum;
u8 m_syscr;

15
src/mame/casio/ctk551.cpp
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@ -459,8 +459,7 @@ void ctk551_state::ap10(machine_config& config)
m_maincpu->write_port2().set_nop();
m_maincpu->read_port3().set_constant(0);
m_maincpu->write_port3().set_nop();
m_maincpu->read_port4().set_constant(0);
m_maincpu->write_port4().set_nop();
m_maincpu->write_ple().set_nop();
NVRAM(config, "nvram");
@ -495,8 +494,7 @@ void ctk551_state::ctk530(machine_config& config)
m_maincpu->read_port2().set_constant(0);
m_maincpu->write_port2().set_nop();
m_maincpu->read_port3().set_constant(0);
m_maincpu->write_port3().set_nop();
m_maincpu->write_port4().set_ioport("PLE");
m_maincpu->write_ple().set_ioport("PLE");
// MIDI
auto& mdin(MIDI_PORT(config, "mdin"));
@ -532,8 +530,7 @@ void ctk551_state::gz70sp(machine_config& config)
m_maincpu->write_port2().set_ioport("P2");
m_maincpu->read_port3().set_constant(0);
m_maincpu->write_port3().set_nop();
m_maincpu->read_port4().set_constant(0);
m_maincpu->write_port4().set_nop();
m_maincpu->write_ple().set_nop();
// MIDI (sci0 for RS232/422, sci1 for standard MIDI)
auto& mdin(MIDI_PORT(config, "mdin"));
@ -559,8 +556,7 @@ void ctk551_state::ctk601(machine_config& config)
m_maincpu->write_port2().set_ioport("P2");
m_maincpu->read_port3().set_constant(0); // port 3 pins are shared w/ key matrix
m_maincpu->write_port3().set_nop();
m_maincpu->read_port4().set_constant(0);
m_maincpu->write_port4().set_nop();
m_maincpu->write_ple().set_nop();
// TODO: DSP
@ -604,8 +600,7 @@ void ctk551_state::ctk551(machine_config &config)
m_maincpu->write_port2().set_ioport("P2");
m_maincpu->read_port3().set_constant(0); // port 3 pins are shared w/ key matrix
m_maincpu->write_port3().set_nop();
m_maincpu->read_port4().set_constant(0);
m_maincpu->write_port4().set_nop();
m_maincpu->write_ple().set_nop();
// MIDI
auto &mdin(MIDI_PORT(config, "mdin"));