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Diffstat (limited to 'src/devices/machine/adc0844.h')
-rw-r--r-- | src/devices/machine/adc0844.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/src/devices/machine/adc0844.h b/src/devices/machine/adc0844.h new file mode 100644 index 00000000000..404a4cfa7a4 --- /dev/null +++ b/src/devices/machine/adc0844.h @@ -0,0 +1,156 @@ +// license: BSD-3-Clause +// copyright-holders: Dirk Best +/*************************************************************************** + + ADC0844 + + A/D Converter With Multiplexer Options + + ___ ___ + /RD 1 |* u | 20 VCC + /CS 2 | | 19 /WR + CH1 3 | | 18 /INTR + CH2 4 | | 17 DB0/MA0 + CH3 5 | | 16 DB1/MA1 + CH4 6 | | 15 DB2/MA2 + AGND 7 | | 14 DB3/MA3 + VREF 8 | | 13 DB4 + DB7 9 | | 12 DB5 + DGND 10 |_______| 11 DB6 + +***************************************************************************/ + +#ifndef MAME_DEVICES_MACHINE_ADC0844_H +#define MAME_DEVICES_MACHINE_ADC0844_H + +#pragma once + + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_ADC0844_ADD(_tag) \ + MCFG_DEVICE_ADD(_tag, ADC0844, 0) + +#define MCFG_ADC0844_INTR_CB(_devcb) \ + devcb = &adc0844_device::set_intr_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0844_CH1_CB(_devcb) \ + devcb = &adc0844_device::set_ch1_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0844_CH2_CB(_devcb) \ + devcb = &adc0844_device::set_ch2_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0844_CH3_CB(_devcb) \ + devcb = &adc0844_device::set_ch3_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0844_CH4_CB(_devcb) \ + devcb = &adc0844_device::set_ch4_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0848_ADD(_tag) \ + MCFG_DEVICE_ADD(_tag, ADC0848, 0) + +#define MCFG_ADC0848_INTR_CB MCFG_ADC0844_INTR_CB +#define MCFG_ADC0848_CH1_CB MCFG_ADC0844_CH1_CB +#define MCFG_ADC0848_CH2_CB MCFG_ADC0844_CH2_CB +#define MCFG_ADC0848_CH3_CB MCFG_ADC0844_CH3_CB +#define MCFG_ADC0848_CH4_CB MCFG_ADC0844_CH4_CB + +#define MCFG_ADC0848_CH5_CB(_devcb) \ + devcb = &adc0848_device::set_ch5_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0848_CH6_CB(_devcb) \ + devcb = &adc0848_device::set_ch6_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0848_CH7_CB(_devcb) \ + devcb = &adc0848_device::set_ch7_callback(*device, DEVCB_##_devcb); + +#define MCFG_ADC0848_CH8_CB(_devcb) \ + devcb = &adc0848_device::set_ch8_callback(*device, DEVCB_##_devcb); + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class adc0844_device : public device_t +{ +public: + // construction/destruction + adc0844_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // configuration + template <class Object> static devcb_base &set_intr_callback(device_t &device, Object &&cb) + { return downcast<adc0844_device &>(device).m_intr_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch1_callback(device_t &device, Object &&cb) + { return downcast<adc0844_device &>(device).m_ch1_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch2_callback(device_t &device, Object &&cb) + { return downcast<adc0844_device &>(device).m_ch2_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch3_callback(device_t &device, Object &&cb) + { return downcast<adc0844_device &>(device).m_ch3_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch4_callback(device_t &device, Object &&cb) + { return downcast<adc0844_device &>(device).m_ch4_cb.set_callback(std::forward<Object>(cb)); } + + DECLARE_READ8_MEMBER(read); + virtual DECLARE_WRITE8_MEMBER(write); + +protected: + adc0844_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // device-level overrides + virtual void device_start() override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + + uint8_t clamp(int value); + + // callbacks + devcb_write_line m_intr_cb; + devcb_read8 m_ch1_cb, m_ch2_cb, m_ch3_cb, m_ch4_cb; + + emu_timer *m_conversion_timer; + + // state + int m_channel; + uint8_t m_result; +}; + +class adc0848_device : public adc0844_device +{ +public: + // construction/destruction + adc0848_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + // configuration + template <class Object> static devcb_base &set_ch5_callback(device_t &device, Object &&cb) + { return downcast<adc0848_device &>(device).m_ch5_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch6_callback(device_t &device, Object &&cb) + { return downcast<adc0848_device &>(device).m_ch6_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch7_callback(device_t &device, Object &&cb) + { return downcast<adc0848_device &>(device).m_ch7_cb.set_callback(std::forward<Object>(cb)); } + + template <class Object> static devcb_base &set_ch8_callback(device_t &device, Object &&cb) + { return downcast<adc0848_device &>(device).m_ch8_cb.set_callback(std::forward<Object>(cb)); } + + virtual DECLARE_WRITE8_MEMBER(write) override; + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + +private: + devcb_read8 m_ch5_cb, m_ch6_cb, m_ch7_cb, m_ch8_cb; +}; + +// device type definition +DECLARE_DEVICE_TYPE(ADC0844, adc0844_device) +DECLARE_DEVICE_TYPE(ADC0848, adc0848_device) + +#endif // MAME_DEVICES_MACHINE_ADC0844_H |