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Diffstat (limited to 'src/devices/machine/i82357.h')
-rw-r--r-- | src/devices/machine/i82357.h | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/src/devices/machine/i82357.h b/src/devices/machine/i82357.h deleted file mode 100644 index 3c5a7756061..00000000000 --- a/src/devices/machine/i82357.h +++ /dev/null @@ -1,91 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Patrick Mackinlay - -#ifndef MAME_MACHINE_I82357_H -#define MAME_MACHINE_I82357_H - -#pragma once - -#include "machine/pic8259.h" -#include "machine/pit8253.h" -#include "machine/am9517a.h" - -class i82357_device : public device_t -{ -public: - i82357_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); - - auto out_rtc_cb() { return m_out_rtc.bind(); } - auto out_int_cb() { return subdevice<pic8259_device>("pic0")->out_int_callback(); } - auto out_nmi_cb() { return m_out_nmi.bind(); } - auto out_spkr_cb() { return m_out_spkr.bind(); } - - u32 eisa_irq_ack() { return m_pic[0]->acknowledge(); } - - DECLARE_WRITE_LINE_MEMBER(in_iochk); - DECLARE_WRITE_LINE_MEMBER(in_parity); - - void map(address_map &map); - -protected: - // standard device_t overrides - virtual void device_add_mconfig(machine_config &config) override; - virtual void device_start() override; - virtual void device_reset() override; - - void nmi_reg_w(u8 data); - void nmi_ext_w(u8 data); - u8 nmi_reg_r() { return m_nmi_reg; } - u8 nmi_ext_r() { return m_nmi_ext; } - - TIMER_CALLBACK_MEMBER(nmi_check); - -private: - required_device_array<pic8259_device, 2> m_pic; - required_device_array<pit8254_device, 2> m_pit; - required_device_array<eisa_dma_device, 2> m_dma; - - devcb_write8 m_out_rtc; - devcb_write_line m_out_nmi; - devcb_write_line m_out_spkr; - - enum nmi_reg_mask : u8 - { - NMI_T1C2_GATE = 0x01, - NMI_SPEAKER_DATA = 0x02, - NMI_PARITY_DISABLE = 0x04, - NMI_IOCHK_DISABLE = 0x08, - NMI_REFRESH = 0x10, - NMI_T1C2_STATE = 0x20, - NMI_IOCHK = 0x40, - NMI_PARITY = 0x80, - - NMI_WMASK = 0x0f, - NMI_NMI = 0xc0, - }; - enum nmi_ext_mask : u8 - { - NMI_EXT_BUS_RESET = 0x01, // bus reset (read/write) - NMI_EXT_EN_IOPORT = 0x02, - NMI_EXT_EN_FAILSAFE = 0x04, - NMI_EXT_EN_TIMEOUT = 0x08, - NMI_EXT_8US_TIMEOUT = 0x10, // 8us EISA bus master timeout occurred - NMI_EXT_IOPORT = 0x20, // NMI I/O port interrupt pending - NMI_EXT_TIMEOUT = 0x40, // EISA bus master timeout occurred, NMI requested - NMI_EXT_FAILSAFE = 0x80, // Fail-safe timer is active, NMI requested - - NMI_EXT_WMASK = 0x0f, - NMI_EXT_NMI = 0xe0, - }; - u8 m_elcr[2]; - - emu_timer *m_nmi_check; - bool m_out_nmi_asserted; - bool m_nmi_enabled; - u8 m_nmi_reg; - u8 m_nmi_ext; -}; - -DECLARE_DEVICE_TYPE(I82357, i82357_device) - -#endif // MAME_MACHINE_I82357_H |