diff options
Diffstat (limited to 'src/mame/video/pcd.h')
-rw-r--r-- | src/mame/video/pcd.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/mame/video/pcd.h b/src/mame/video/pcd.h new file mode 100644 index 00000000000..52b61298d52 --- /dev/null +++ b/src/mame/video/pcd.h @@ -0,0 +1,98 @@ +// license:BSD-3-Clause +// copyright-holders:Carl + +#ifndef _PCD_H_ +#define _PCD_H_ + +#include "emu.h" +#include "machine/pic8259.h" +#include "video/scn2674.h" + +#define MCFG_PCX_VIDEO_TXD_HANDLER(_devcb) \ + devcb = &pcx_video_device::set_txd_handler(*device, DEVCB_##_devcb); + +class pcdx_video_device : public device_t +{ +public: + pcdx_video_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + virtual DECLARE_ADDRESS_MAP(map, 16) = 0; + DECLARE_READ8_MEMBER(detect_r); + DECLARE_WRITE8_MEMBER(detect_w); + DECLARE_PALETTE_INIT(pcdx); + +protected: + required_device<cpu_device> m_maincpu; + required_device<cpu_device> m_mcu; + required_device<scn2674_device> m_crtc; + required_device<palette_device> m_palette; + required_device<gfxdecode_device> m_gfxdecode; +}; + +class pcd_video_device : public pcdx_video_device +{ +public: + pcd_video_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + DECLARE_ADDRESS_MAP(map, 16); + DECLARE_ADDRESS_MAP(vram_map, 8); + DECLARE_READ8_MEMBER(mcu_r); + DECLARE_WRITE8_MEMBER(mcu_w); + DECLARE_WRITE8_MEMBER(vram_sw_w); + DECLARE_READ8_MEMBER(vram_r); + DECLARE_WRITE8_MEMBER(vram_w); + + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + SCN2674_DRAW_CHARACTER_MEMBER(display_pixels); +protected: + void device_start(); + void device_reset(); +private: + dynamic_buffer m_vram; + dynamic_buffer m_charram; + UINT8 m_vram_sw; +}; + +class pcx_video_device : public pcdx_video_device, + public device_serial_interface +{ +public: + pcx_video_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + template<class _Object> static devcb_base &set_txd_handler(device_t &device, _Object object) { return downcast<pcx_video_device &>(device).m_txd_handler.set_callback(object); } + + DECLARE_ADDRESS_MAP(map, 16); + DECLARE_READ8_MEMBER(term_r); + DECLARE_WRITE8_MEMBER(term_w); + DECLARE_READ8_MEMBER(term_mcu_r); + DECLARE_WRITE8_MEMBER(term_mcu_w); + DECLARE_READ8_MEMBER(rx_callback); + DECLARE_WRITE8_MEMBER(tx_callback); + DECLARE_READ8_MEMBER(vram_r); + DECLARE_WRITE8_MEMBER(vram_w); + DECLARE_READ8_MEMBER(vram_latch_r); + DECLARE_WRITE8_MEMBER(vram_latch_w); + DECLARE_READ8_MEMBER(unk_r); + DECLARE_WRITE8_MEMBER(p1_w); + + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + SCN2674_DRAW_CHARACTER_MEMBER(display_pixels); +protected: + void device_start(); + void device_reset(); + void tra_callback(); + void rcv_complete(); + void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); +private: + dynamic_buffer m_vram; + required_region_ptr<UINT8> m_charrom; + required_device<pic8259_device> m_pic2; + devcb_write_line m_txd_handler; + UINT8 m_term_key, m_term_char, m_term_stat, m_vram_latch_r[2], m_vram_latch_w[2], m_p1; +}; + +extern const device_type PCD_VIDEO; +extern const device_type PCX_VIDEO; + +#endif |