diff options
Diffstat (limited to 'src/devices/machine/74157.h')
-rw-r--r-- | src/devices/machine/74157.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/devices/machine/74157.h b/src/devices/machine/74157.h index 196194c8ddb..96a23d64235 100644 --- a/src/devices/machine/74157.h +++ b/src/devices/machine/74157.h @@ -30,13 +30,13 @@ //************************************************************************** #define MCFG_74157_A_IN_CB(_devcb) \ - devcb = &downcast<ls157_device &>(*device).set_a_in_callback(DEVCB_##_devcb); + downcast<ls157_device &>(*device).set_a_in_callback(DEVCB_##_devcb); #define MCFG_74157_B_IN_CB(_devcb) \ - devcb = &downcast<ls157_device &>(*device).set_b_in_callback(DEVCB_##_devcb); + downcast<ls157_device &>(*device).set_b_in_callback(DEVCB_##_devcb); #define MCFG_74157_OUT_CB(_devcb) \ - devcb = &downcast<ls157_device &>(*device).set_out_callback(DEVCB_##_devcb); + downcast<ls157_device &>(*device).set_out_callback(DEVCB_##_devcb); //************************************************************************** @@ -49,12 +49,15 @@ class ls157_device : public device_t { public: // construction/destruction - ls157_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + ls157_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0); // static configuration template <class Object> devcb_base &set_a_in_callback(Object &&cb) { return m_a_in_cb.set_callback(std::forward<Object>(cb)); } template <class Object> devcb_base &set_b_in_callback(Object &&cb) { return m_b_in_cb.set_callback(std::forward<Object>(cb)); } template <class Object> devcb_base &set_out_callback(Object &&cb) { return m_out_cb.set_callback(std::forward<Object>(cb)); } + auto a_in_callback() { return m_a_in_cb.bind(); } + auto b_in_callback() { return m_b_in_cb.bind(); } + auto out_callback() { return m_out_cb.bind(); } // data writes DECLARE_WRITE8_MEMBER(a_w) { write_a(data); } |