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Diffstat (limited to 'src/devices/bus/nes_ctrl/ctrl.h')
-rw-r--r--src/devices/bus/nes_ctrl/ctrl.h22
1 files changed, 12 insertions, 10 deletions
diff --git a/src/devices/bus/nes_ctrl/ctrl.h b/src/devices/bus/nes_ctrl/ctrl.h
index 6e9e05aac17..560f546db89 100644
--- a/src/devices/bus/nes_ctrl/ctrl.h
+++ b/src/devices/bus/nes_ctrl/ctrl.h
@@ -34,10 +34,11 @@ public:
// construction/destruction
virtual ~device_nes_control_port_interface();
- virtual uint8_t read_bit0() { return 0; }
- virtual uint8_t read_bit34() { return 0; }
- virtual uint8_t read_exp(offs_t offset) { return 0; }
- virtual void write(uint8_t data) { }
+ virtual u8 read_bit0() { return 0; }
+ virtual u8 read_bit2() { return 0; } // intended only for P2 microphone
+ virtual u8 read_bit34() { return 0; }
+ virtual u8 read_exp(offs_t offset) { return 0; }
+ virtual void write(u8 data) { }
protected:
device_nes_control_port_interface(const machine_config &mconfig, device_t &device);
@@ -55,20 +56,21 @@ public:
// construction/destruction
template <typename T>
nes_control_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
- : nes_control_port_device(mconfig, tag, owner, (uint32_t)0)
+ : nes_control_port_device(mconfig, tag, owner, (u32)0)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(false);
}
- nes_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+ nes_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
virtual ~nes_control_port_device();
- uint8_t read_bit0();
- uint8_t read_bit34();
- uint8_t read_exp(offs_t offset);
- void write(uint8_t data);
+ u8 read_bit0();
+ u8 read_bit2();
+ u8 read_bit34();
+ u8 read_exp(offs_t offset);
+ void write(u8 data);
template <typename T> void set_screen_tag(T &&tag) { m_screen.set_tag(std::forward<T>(tag)); }
// for peripherals that interact with the machine's screen