diff options
Diffstat (limited to 'src/devices/bus/ti99/peb/tn_ide.h')
-rw-r--r-- | src/devices/bus/ti99/peb/tn_ide.h | 85 |
1 files changed, 51 insertions, 34 deletions
diff --git a/src/devices/bus/ti99/peb/tn_ide.h b/src/devices/bus/ti99/peb/tn_ide.h index 2b4bd6c97de..fba16021778 100644 --- a/src/devices/bus/ti99/peb/tn_ide.h +++ b/src/devices/bus/ti99/peb/tn_ide.h @@ -2,12 +2,11 @@ // copyright-holders:Michael Zapf /**************************************************************************** - Nouspikel IDE controller card - See tn_ide.c for documentation + IDE adapter card + See tn_ide.cpp for documentation Michael Zapf - - February 2012: Rewritten as class + April 2020 *****************************************************************************/ @@ -18,53 +17,71 @@ #include "peribox.h" #include "bus/ata/ataintf.h" -#include "machine/ram.h" +#include "bus/ti99/internal/buffram.h" #include "machine/rtc65271.h" +#include "machine/bq4847.h" +#include "machine/bq48x2.h" +#include "machine/74259.h" +#include "machine/74543.h" -namespace bus { namespace ti99 { namespace peb { +namespace bus::ti99::peb { -class nouspikel_ide_interface_device : public device_t, public device_ti99_peribox_card_interface +class nouspikel_ide_card_device : public device_t, public device_ti99_peribox_card_interface { public: - nouspikel_ide_interface_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - DECLARE_READ8Z_MEMBER(readz) override; + nouspikel_ide_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + void readz(offs_t offset, uint8_t *value) override; void write(offs_t offset, uint8_t data) override; - - DECLARE_READ8Z_MEMBER(crureadz) override; + void crureadz(offs_t offset, uint8_t *value) override; void cruwrite(offs_t offset, uint8_t data) override; - - void do_inta(int state); - bool m_ata_irq; - int m_cru_register; - -protected: - virtual void device_start() override; - virtual void device_reset() override; - virtual void device_add_mconfig(machine_config &config) override; - virtual ioport_constructor device_input_ports() const override; + DECLARE_INPUT_CHANGED_MEMBER( mode_changed ); private: - DECLARE_WRITE_LINE_MEMBER(clock_interrupt_callback); - DECLARE_WRITE_LINE_MEMBER(ide_interrupt_callback); + void device_start() override; + void device_reset() override; + void device_add_mconfig(machine_config &config) override; + ioport_constructor device_input_ports() const override; + + required_device<rtc65271_device> m_rtc65; + required_device<bq4847_device> m_rtc47; + required_device<bq4842_device> m_rtc42; + required_device<bq4852_device> m_rtc52; - required_device<rtc65271_device> m_rtc; required_device<ata_interface_device> m_ata; + required_device<bus::ti99::internal::buffered_ram_device> m_sram; + required_device<ls259_device> m_crulatch; + required_device<ttl74543_device> m_latch0_7; + required_device<ttl74543_device> m_latch8_15; + + // Latches the IDE interrupt + bool m_ideint; + + // TI mode or Geneve mode (or off) + int m_mode; + + // Stores the currently selected page (74ALS373) + int m_page; + + // Is the SRAM buffered? + bool m_srammap; + + // RTC type + int m_rtctype; - bool m_clk_irq; - bool m_sram_enable; - bool m_sram_enable_dip; - int m_cur_page; + // Genmod decoding. If not used, the AME line is pulled up, and the AMD line is pulled down + bool m_genmod; - bool m_tms9995_mode; + template<int rtctype> void rtc_int_callback(int state); + void ide_interrupt_callback(int state); + void resetdr_callback(int state); - uint16_t m_input_latch; - uint16_t m_output_latch; + void decode(offs_t offset, bool& mmap, bool& sramsel, bool& xramsel, bool& rtcsel, bool& cs1fx, bool& cs3fx); - required_device<ram_device> m_ram; + int m_rtc_int; }; -} } } // end namespace bus::ti99::peb +} // end namespace bus::ti99::peb -DECLARE_DEVICE_TYPE_NS(TI99_IDE, bus::ti99::peb, nouspikel_ide_interface_device) +DECLARE_DEVICE_TYPE_NS(TI99_IDE, bus::ti99::peb, nouspikel_ide_card_device) #endif // MAME_BUS_TI99_PEB_TN_IDE_H |