// license:BSD-3-Clause // copyright-holders:Aaron Giles /************************************************************************* Atari GT hardware *************************************************************************/ #include "machine/atarigen.h" #include "audio/cage.h" #define CRAM_ENTRIES 0x4000 #define TRAM_ENTRIES 0x4000 #define MRAM_ENTRIES 0x8000 #define ADDRSEQ_COUNT 4 class atarigt_state : public atarigen_state { public: atarigt_state(const machine_config &mconfig, device_type type, const char *tag) : atarigen_state(mconfig, type, tag), m_colorram(*this, "colorram", 32), m_playfield_tilemap(*this, "playfield"), m_alpha_tilemap(*this, "alpha"), m_rle(*this, "rle"), m_mo_command(*this, "mo_command"), m_cage(*this, "cage") { } UINT8 m_is_primrage; required_shared_ptr m_colorram; required_device m_playfield_tilemap; required_device m_alpha_tilemap; required_device m_rle; bitmap_ind16 m_pf_bitmap; bitmap_ind16 m_an_bitmap; UINT8 m_playfield_tile_bank; UINT8 m_playfield_color_bank; UINT16 m_playfield_xscroll; UINT16 m_playfield_yscroll; UINT32 m_tram_checksum; UINT32 m_expanded_mram[MRAM_ENTRIES * 3]; required_shared_ptr m_mo_command; optional_device m_cage; void (atarigt_state::*m_protection_w)(address_space &space, offs_t offset, UINT16 data); void (atarigt_state::*m_protection_r)(address_space &space, offs_t offset, UINT16 *data); bool m_ignore_writes; offs_t m_protaddr[ADDRSEQ_COUNT]; UINT8 m_protmode; UINT16 m_protresult; UINT8 m_protdata[0x800]; virtual void update_interrupts() override; virtual void scanline_update(screen_device &screen, int scanline) override; DECLARE_READ32_MEMBER(special_port2_r); DECLARE_READ32_MEMBER(special_port3_r); DECLARE_READ32_MEMBER(analog_port0_r); DECLARE_READ32_MEMBER(analog_port1_r); DECLARE_WRITE32_MEMBER(latch_w); DECLARE_WRITE32_MEMBER(mo_command_w); DECLARE_WRITE32_MEMBER(led_w); DECLARE_READ32_MEMBER(sound_data_r); DECLARE_WRITE32_MEMBER(sound_data_w); DECLARE_READ32_MEMBER(colorram_protection_r); DECLARE_WRITE32_MEMBER(colorram_protection_w); DECLARE_WRITE32_MEMBER(tmek_pf_w); DECLARE_WRITE8_MEMBER(cage_irq_callback); void atarigt_colorram_w(offs_t address, UINT16 data, UINT16 mem_mask); UINT16 atarigt_colorram_r(offs_t address); DECLARE_DRIVER_INIT(primrage); DECLARE_DRIVER_INIT(tmek); TILE_GET_INFO_MEMBER(get_alpha_tile_info); TILE_GET_INFO_MEMBER(get_playfield_tile_info); TILEMAP_MAPPER_MEMBER(atarigt_playfield_scan); DECLARE_MACHINE_START(atarigt); DECLARE_MACHINE_RESET(atarigt); DECLARE_VIDEO_START(atarigt); UINT32 screen_update_atarigt(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); private: void tmek_update_mode(offs_t offset); void tmek_protection_w(address_space &space, offs_t offset, UINT16 data); void tmek_protection_r(address_space &space, offs_t offset, UINT16 *data); void primrage_update_mode(offs_t offset); void primrage_protection_w(address_space &space, offs_t offset, UINT16 data); void primrage_protection_r(address_space &space, offs_t offset, UINT16 *data); void compute_fake_pots(int *pots); };