// license:BSD-3-Clause // copyright-holders:Sandro Ronco #ifndef MAME_BUS_IQ151_GRAFIK_H #define MAME_BUS_IQ151_GRAFIK_H #pragma once #include "iq151.h" #include "machine/i8255.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> iq151_grafik_device class iq151_grafik_device : public device_t, public device_iq151cart_interface { public: // construction/destruction iq151_grafik_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual void device_add_mconfig(machine_config &config) override; // iq151cart_interface overrides virtual void io_read(offs_t offset, uint8_t &data) override; virtual void io_write(offs_t offset, uint8_t data) override; virtual void video_update(bitmap_ind16 &bitmap, const rectangle &cliprect) override; private: // ppi8255 callback DECLARE_WRITE8_MEMBER(x_write); DECLARE_WRITE8_MEMBER(y_write); DECLARE_WRITE8_MEMBER(control_w); required_device m_ppi8255; uint8_t m_posx; // horizontal position uint8_t m_posy; // vertical position uint8_t m_all; // 0: bit mode 1: byte mode uint8_t m_pen; uint8_t m_fast; uint8_t m_ev; // enable video out uint8_t m_ex; uint8_t m_sel; // enable vram access uint8_t m_videoram[0x4000]; }; // device type definition DECLARE_DEVICE_TYPE(IQ151_GRAFIK, iq151_grafik_device) #endif // MAME_BUS_IQ151_GRAFIK_H