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Diffstat (limited to 'src/devices/machine/6532riot.h')
-rw-r--r-- | src/devices/machine/6532riot.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/devices/machine/6532riot.h b/src/devices/machine/6532riot.h deleted file mode 100644 index e551247d7fa..00000000000 --- a/src/devices/machine/6532riot.h +++ /dev/null @@ -1,123 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Aaron Giles -/*************************************************************************** - - RIOT 6532 emulation - -***************************************************************************/ - -#pragma once - -#ifndef __RIOT6532_H__ -#define __RIOT6532_H__ - - - -/*************************************************************************** - TYPE DEFINITIONS -***************************************************************************/ - - -// ======================> riot6532_device - -class riot6532_device : public device_t -{ -public: - // construction/destruction - riot6532_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - - auto in_pa_callback() { return m_in_pa_cb.bind(); } - auto out_pa_callback() { return m_out_pa_cb.bind(); } - auto in_pb_callback() { return m_in_pb_cb.bind(); } - auto out_pb_callback() { return m_out_pb_cb.bind(); } - auto irq_callback() { return m_irq_cb.bind(); } - - uint8_t read(offs_t offset); - void write(offs_t offset, uint8_t data); - - uint8_t reg_r(uint8_t offset, bool debugger_access = false); - void reg_w(uint8_t offset, uint8_t data); - - void porta_in_set(uint8_t data, uint8_t mask); - void portb_in_set(uint8_t data, uint8_t mask); - - DECLARE_WRITE_LINE_MEMBER(pa0_w); - DECLARE_WRITE_LINE_MEMBER(pa1_w); - DECLARE_WRITE_LINE_MEMBER(pa2_w); - DECLARE_WRITE_LINE_MEMBER(pa3_w); - DECLARE_WRITE_LINE_MEMBER(pa4_w); - DECLARE_WRITE_LINE_MEMBER(pa5_w); - DECLARE_WRITE_LINE_MEMBER(pa6_w); - DECLARE_WRITE_LINE_MEMBER(pa7_w); - DECLARE_WRITE_LINE_MEMBER(pb0_w); - DECLARE_WRITE_LINE_MEMBER(pb1_w); - DECLARE_WRITE_LINE_MEMBER(pb2_w); - DECLARE_WRITE_LINE_MEMBER(pb3_w); - DECLARE_WRITE_LINE_MEMBER(pb4_w); - DECLARE_WRITE_LINE_MEMBER(pb5_w); - DECLARE_WRITE_LINE_MEMBER(pb6_w); - DECLARE_WRITE_LINE_MEMBER(pb7_w); - - uint8_t porta_in_get(); - uint8_t portb_in_get(); - - uint8_t porta_out_get(); - uint8_t portb_out_get(); - - void timer_end(); - -protected: - class riot6532_port - { - public: - uint8_t m_in; - uint8_t m_out; - uint8_t m_ddr; - devcb_read8 *m_in_cb; - devcb_write8 *m_out_cb; - }; - - // device-level overrides - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; - virtual void device_post_load() override { } - virtual void device_clock_changed() override { } - - -private: - void update_irqstate(); - uint8_t apply_ddr(const riot6532_port *port); - void update_pa7_state(); - uint8_t get_timer(); - - riot6532_port m_port[2]; - - devcb_read8 m_in_pa_cb; - devcb_write8 m_out_pa_cb; - devcb_read8 m_in_pb_cb; - devcb_write8 m_out_pb_cb; - devcb_write_line m_irq_cb; - - uint8_t m_irqstate; - uint8_t m_irqenable; - int m_irq; - - uint8_t m_pa7dir; /* 0x80 = high-to-low, 0x00 = low-to-high */ - uint8_t m_pa7prev; - - uint8_t m_timershift; - uint8_t m_timerstate; - emu_timer * m_timer; - - enum - { - TIMER_END_CB - }; -}; - - -// device type definition -DECLARE_DEVICE_TYPE(RIOT6532, riot6532_device) - -#endif |