diff options
Diffstat (limited to 'src/mame/apple/csc.h')
-rw-r--r-- | src/mame/apple/csc.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/mame/apple/csc.h b/src/mame/apple/csc.h new file mode 100644 index 00000000000..cefc305fdf2 --- /dev/null +++ b/src/mame/apple/csc.h @@ -0,0 +1,55 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont + +#ifndef MAME_APPLE_CSC_H +#define MAME_APPLE_CSC_H + +#pragma once + +#include "emupal.h" +#include "screen.h" + +class csc_device : public device_t +{ +public: + csc_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + virtual ~csc_device() = default; + + auto write_irq() { return m_irq.bind(); } + + void map(address_map &map) ATTR_COLD; + + void set_panel_id(int panel_id); + void set_pmu_blank(bool blank) { m_pmu_blank_display = blank; } + +protected: + // device_t overrides + 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; + +private: + required_device<screen_device> m_screen; + required_device<palette_device> m_palette; + devcb_write_line m_irq; + + std::unique_ptr<u32[]> m_vram; + + u8 m_csc_regs[0x50]; + u8 m_csc_panel_id; + int m_pal_idx; + bool m_pmu_blank_display; + + u32 screen_update_csc(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + + u8 csc_r(offs_t offset); + void csc_w(offs_t offset, u8 data); + void csc_irq_w(int state); + + u32 vram_r(offs_t offset); + void vram_w(offs_t offset, u32 data, u32 mem_mask); +}; + +DECLARE_DEVICE_TYPE(CSC, csc_device) + +#endif /* MAME_APPLE_CSC_H */ |