diff options
Diffstat (limited to 'src/devices/bus/vme/sys68k_cpu30.h')
-rw-r--r-- | src/devices/bus/vme/sys68k_cpu30.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/devices/bus/vme/sys68k_cpu30.h b/src/devices/bus/vme/sys68k_cpu30.h new file mode 100644 index 00000000000..711181153d0 --- /dev/null +++ b/src/devices/bus/vme/sys68k_cpu30.h @@ -0,0 +1,157 @@ +// license:BSD-3-Clause +// copyright-holders:Joakim Larsson Edstrom + +#ifndef MAME_BUS_VME_SYS68K_CPU30_H +#define MAME_BUS_VME_SYS68K_CPU30_H + +#pragma once + +#include "bus/vme/vme.h" +#include "cpu/m68000/m68030.h" +#include "machine/ram.h" // For variants that only differs in amount of RAM +#include "machine/scnxx562.h" +#include "machine/68230pit.h" +#include "machine/msm6242.h" +#include "machine/fga002.h" + +class sys68k_cpu30_device_base + : public device_t + , public device_vme_card_interface +{ +public: + sys68k_cpu30_device_base(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, u32 clock, uint8_t board_id); + +protected: + virtual ioport_constructor device_input_ports() const override ATTR_COLD; + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + + void sys68k_cpu30(machine_config &config, XTAL clock, char const *const ram_default, char const *const ram_options); + + void fdc_w(offs_t offset, uint8_t data); + uint8_t fdc_r(offs_t offset); + void scsi_w(offs_t offset, uint8_t data); + uint8_t scsi_r(offs_t offset); + uint8_t slot1_status_r(); + + /* Interrupt support */ + void cpu_space_map(address_map &map) ATTR_COLD; + void fga_irq_callback(int state); + uint8_t fga_irq_state = 0; + // int fga_irq_vector = 0; + int fga_irq_level = 0; + + /* Rotary switch PIT input */ + uint8_t rotary_rd(); + uint8_t flop_dmac_r(); + void flop_dmac_w(uint8_t data); + uint8_t pit1c_r(); + void pit1c_w(uint8_t data); + uint8_t pit2a_r(); + void pit2a_w(uint8_t data); + uint8_t board_mem_id_rd(); + uint8_t pit2c_r(); + void pit2c_w(uint8_t data); + + /* VME bus accesses */ + //uint16_t vme_a24_r(); + //void vme_a24_w(uint16_t data); + //uint16_t vme_a16_r(); + //void vme_a16_w(uint16_t data); + + void cpu30_mem(address_map &map) ATTR_COLD; + + required_device<m68000_musashi_device> m_maincpu; + required_device<ram_device> m_ram; + + required_device<duscc68562_device> m_dusccterm; + + required_device<pit68230_device> m_pit1; + required_device<pit68230_device> m_pit2; + + required_device<fga002_device> m_fga002; + + required_device<rtc72423_device> m_rtc; + + required_memory_region m_boot; + memory_passthrough_handler m_boot_mph; + + // Helper functions + void update_irq_to_maincpu(); + + uint8_t const m_board_id; +}; + +class vme_sys68k_cpu30_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu30_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; +class vme_sys68k_cpu30x_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu30x_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; +class vme_sys68k_cpu30xa_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu30xa_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; +class vme_sys68k_cpu30za_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu30za_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; +class vme_sys68k_cpu30be_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu30be_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; +class vme_sys68k_cpu30lite_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu30lite_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; +class vme_sys68k_cpu33_card_device : public sys68k_cpu30_device_base +{ +public: + vme_sys68k_cpu33_card_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; +}; + +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU30, vme_sys68k_cpu30_card_device) +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU30X, vme_sys68k_cpu30x_card_device) +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU30XA, vme_sys68k_cpu30xa_card_device) +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU30ZA, vme_sys68k_cpu30za_card_device) +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU30BE, vme_sys68k_cpu30be_card_device) +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU30LITE, vme_sys68k_cpu30lite_card_device) +DECLARE_DEVICE_TYPE(VME_SYS68K_CPU33, vme_sys68k_cpu33_card_device) + +#endif // MAME_BUS_VME_SYS68K_CPU30_H |