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Diffstat (limited to 'src/mame/machine/vs9209.h')
-rw-r--r-- | src/mame/machine/vs9209.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/mame/machine/vs9209.h b/src/mame/machine/vs9209.h new file mode 100644 index 00000000000..d6e1460e8ab --- /dev/null +++ b/src/mame/machine/vs9209.h @@ -0,0 +1,102 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/********************************************************************** + + VS9209 (4L01F1429) QFP80 I/O chip + +**********************************************************************/ + +#pragma once + +#ifndef MAME_MACHINE_VS9209_H +#define MAME_MACHINE_VS9209_H + +//************************************************************************** +// CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_VS9209_IN_PORTA_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 0, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTB_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 1, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTC_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 2, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTD_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 3, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTE_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 4, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTF_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 5, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTG_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 6, DEVCB_##_devcb); +#define MCFG_VS9209_IN_PORTH_CB(_devcb) \ + devcb = &vs9209_device::set_input_cb(*device, 7, DEVCB_##_devcb); + +#ifdef VS9209_PROBABLY_NONEXISTENT_OUTPUTS +#define MCFG_VS9209_OUT_PORTA_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 0, DEVCB_##_devcb); +#define MCFG_VS9209_OUT_PORTB_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 1, DEVCB_##_devcb); +#define MCFG_VS9209_OUT_PORTC_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 2, DEVCB_##_devcb); +#define MCFG_VS9209_OUT_PORTD_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 3, DEVCB_##_devcb); +#endif +#define MCFG_VS9209_OUT_PORTE_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 4, DEVCB_##_devcb); +#define MCFG_VS9209_OUT_PORTF_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 5, DEVCB_##_devcb); +#define MCFG_VS9209_OUT_PORTG_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 6, DEVCB_##_devcb); +#define MCFG_VS9209_OUT_PORTH_CB(_devcb) \ + devcb = &vs9209_device::set_output_cb(*device, 7, DEVCB_##_devcb); + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> vs9209_device + +class vs9209_device : public device_t +{ +public: + // construction/destruction + vs9209_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + + // static configuration + template<class Object> + static devcb_base &set_input_cb(device_t &device, int p, Object &&obj) + { + assert(p >= 0 && p < 8); + return downcast<vs9209_device &>(device).m_input_cb[p].set_callback(std::forward<Object>(obj)); + } + template<class Object> + static devcb_base &set_output_cb(device_t &device, int p, Object &&obj) + { + assert(p >= 0 && p < 8); + return downcast<vs9209_device &>(device).m_output_cb[p].set_callback(std::forward<Object>(obj)); + } + + // memory handlers + DECLARE_READ8_MEMBER(read); + DECLARE_WRITE8_MEMBER(write); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + +private: + // input/output callbacks + devcb_read8 m_input_cb[8]; + devcb_write8 m_output_cb[8]; + + // internal state + u8 m_data_latch[8]; + u8 m_data_dir[8]; +}; + +// device type definition +extern const device_type VS9209; + +#endif |