1 // license:BSD-3-Clause 2 // copyright-holders:Bryan McPhail 3 /************************************************************************* 4 5 Desert Assault 6 7 *************************************************************************/ 8 9 #include "machine/gen_latch.h" 10 #include "cpu/h6280/h6280.h" 11 #include "sound/okim6295.h" 12 #include "video/deco16ic.h" 13 #include "video/decocomn.h" 14 #include "video/bufsprite.h" 15 #include "video/decospr.h" 16 #include "emupal.h" 17 18 class dassault_state : public driver_device 19 { 20 public: dassault_state(const machine_config & mconfig,device_type type,const char * tag)21 dassault_state(const machine_config &mconfig, device_type type, const char *tag) 22 : driver_device(mconfig, type, tag) 23 , m_maincpu(*this, "maincpu") 24 , m_audiocpu(*this, "audiocpu") 25 , m_subcpu(*this, "sub") 26 , m_deco_tilegen(*this, "tilegen%u", 1U) 27 , m_oki2(*this, "oki2") 28 , m_spriteram(*this, "spriteram%u", 1U) 29 , m_sprgen(*this, "spritegen%u", 1U) 30 , m_palette(*this, "palette") 31 , m_soundlatch(*this, "soundlatch") 32 , m_pf2_rowscroll(*this, "pf2_rowscroll") 33 , m_pf4_rowscroll(*this, "pf4_rowscroll") 34 { } 35 36 void dassault(machine_config &config); 37 38 void init_dassault(); 39 40 private: 41 /* devices */ 42 required_device<cpu_device> m_maincpu; 43 required_device<h6280_device> m_audiocpu; 44 required_device<cpu_device> m_subcpu; 45 required_device_array<deco16ic_device, 2> m_deco_tilegen; 46 required_device<okim6295_device> m_oki2; 47 required_device_array<buffered_spriteram16_device, 2> m_spriteram; 48 required_device_array<decospr_device, 2> m_sprgen; 49 required_device<palette_device> m_palette; 50 required_device<generic_latch_8_device> m_soundlatch; 51 52 /* memory pointers */ 53 required_shared_ptr<uint16_t> m_pf2_rowscroll; 54 required_shared_ptr<uint16_t> m_pf4_rowscroll; 55 56 uint16_t m_priority; 57 58 void priority_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0); 59 void main_irq_ack_w(uint16_t data); 60 void sub_irq_ack_w(uint16_t data); 61 uint16_t dassault_control_r(offs_t offset); 62 void dassault_control_w(uint16_t data); 63 uint16_t dassault_sub_control_r(); 64 void sound_bankswitch_w(uint8_t data); 65 virtual void machine_reset() override; 66 virtual void video_start() override; 67 uint32_t screen_update_dassault(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); 68 void mixdassaultlayer(bitmap_rgb32 &bitmap, bitmap_ind16* sprite_bitmap, const rectangle &cliprect, uint16_t pri, uint16_t primask, uint16_t penbase, uint8_t alpha); 69 DECO16IC_BANK_CB_MEMBER(bank_callback); 70 void dassault_map(address_map &map); 71 void dassault_sub_map(address_map &map); 72 void sound_map(address_map &map); 73 }; 74