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Diffstat (limited to 'src/mame/apple/rbv.h')
-rw-r--r-- | src/mame/apple/rbv.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/mame/apple/rbv.h b/src/mame/apple/rbv.h new file mode 100644 index 00000000000..da303a3f211 --- /dev/null +++ b/src/mame/apple/rbv.h @@ -0,0 +1,77 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont + +#ifndef MAME_APPLE_RBV_H +#define MAME_APPLE_RBV_H + +#pragma once + +#include "machine/pseudovia.h" + +#include "screen.h" + + +// ======================> rbv_device + +class rbv_device : public device_t, public device_palette_interface +{ +public: + // construction/destruction + rbv_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + + void map(address_map &map) ATTR_COLD; + + void set_ram_info(u32 *ram, u32 size); + + auto via6015_callback() { return write_6015.bind(); } + auto irq_callback() { return write_irq.bind(); } + + template <u8 mask> void slot_irq_w(int state); + void asc_irq_w(int state); + +protected: + // device_t implementation + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + virtual ioport_constructor device_input_ports() const override ATTR_COLD; + + // device_palette_interface implementation + u32 palette_entries() const noexcept override; + +private: + devcb_write_line write_6015, write_irq; + + required_ioport m_io_montype; + required_device<screen_device> m_screen; + required_device<pseudovia_device> m_pseudovia; + + emu_timer *m_6015_timer; + + bool m_configured; + s32 m_hres, m_vres; + u8 m_montype; + bool m_monochrome; + + u8 m_pal_address, m_pal_idx; + u32 *m_ram_ptr; + u32 m_ram_size; + u8 m_video_config; + + u8 via2_video_config_r(); + void via2_video_config_w(u8 data); + void via2_irq_w(int state); + + TIMER_CALLBACK_MEMBER(mac_6015_tick); + + u8 dac_r(offs_t offset); + void dac_w(offs_t offset, u8 data); + + u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + template <bool Mono> u32 update_screen(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); +}; + +// device type definition +DECLARE_DEVICE_TYPE(RBV, rbv_device) + +#endif // MAME_APPLE_RBV_H |