1 // license:BSD-3-Clause 2 // copyright-holders:Aaron Giles 3 /************************************************************************* 4 5 Atari Crystal Castles hardware 6 7 *************************************************************************/ 8 #ifndef MAME_INCLUDES_CCASTLES_H 9 #define MAME_INCLUDES_CCASTLES_H 10 11 #pragma once 12 13 #include "cpu/m6502/m6502.h" 14 #include "machine/74259.h" 15 #include "machine/x2212.h" 16 #include "emupal.h" 17 #include "screen.h" 18 19 class ccastles_state : public driver_device 20 { 21 public: ccastles_state(const machine_config & mconfig,device_type type,const char * tag)22 ccastles_state(const machine_config &mconfig, device_type type, const char *tag) : 23 driver_device(mconfig, type, tag), 24 m_maincpu(*this, "maincpu"), 25 m_nvram_4b(*this, "nvram_4b"), 26 m_nvram_4a(*this, "nvram_4a"), 27 m_outlatch(*this, "outlatch%u", 0U), 28 m_videoram(*this, "videoram"), 29 m_spriteram(*this, "spriteram"), 30 m_gfxdecode(*this, "gfxdecode"), 31 m_screen(*this, "screen"), 32 m_palette(*this, "palette") 33 { } 34 35 DECLARE_READ_LINE_MEMBER(vblank_r); 36 void ccastles(machine_config &config); 37 38 protected: 39 void irq_ack_w(uint8_t data); 40 uint8_t leta_r(offs_t offset); 41 void nvram_recall_w(uint8_t data); 42 DECLARE_WRITE_LINE_MEMBER(nvram_store_w); 43 uint8_t nvram_r(address_space &space, offs_t offset); 44 void nvram_w(offs_t offset, uint8_t data); 45 void ccastles_hscroll_w(uint8_t data); 46 void ccastles_vscroll_w(uint8_t data); 47 void ccastles_video_control_w(offs_t offset, uint8_t data); 48 void ccastles_paletteram_w(offs_t offset, uint8_t data); 49 void ccastles_videoram_w(offs_t offset, uint8_t data); 50 uint8_t ccastles_bitmode_r(); 51 void ccastles_bitmode_w(uint8_t data); 52 void ccastles_bitmode_addr_w(offs_t offset, uint8_t data); 53 virtual void machine_start() override; 54 virtual void machine_reset() override; 55 virtual void video_start() override; 56 uint32_t screen_update_ccastles(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); 57 TIMER_CALLBACK_MEMBER(clock_irq); 58 inline void ccastles_write_vram( uint16_t addr, uint8_t data, uint8_t bitmd, uint8_t pixba ); 59 inline void bitmode_autoinc( ); 60 inline void schedule_next_irq( int curscanline ); 61 void main_map(address_map &map); 62 63 private: 64 /* devices */ 65 required_device<m6502_device> m_maincpu; 66 required_device<x2212_device> m_nvram_4b; 67 required_device<x2212_device> m_nvram_4a; 68 required_device_array<ls259_device, 2> m_outlatch; 69 70 /* memory pointers */ 71 required_shared_ptr<uint8_t> m_videoram; 72 required_shared_ptr<uint8_t> m_spriteram; 73 74 required_device<gfxdecode_device> m_gfxdecode; 75 required_device<screen_device> m_screen; 76 required_device<palette_device> m_palette; 77 78 /* video-related */ 79 const uint8_t *m_syncprom; 80 const uint8_t *m_wpprom; 81 const uint8_t *m_priprom; 82 bitmap_ind16 m_spritebitmap; 83 double m_rweights[3]; 84 double m_gweights[3]; 85 double m_bweights[3]; 86 uint8_t m_bitmode_addr[2]; 87 uint8_t m_hscroll; 88 uint8_t m_vscroll; 89 90 /* misc */ 91 int m_vblank_start; 92 int m_vblank_end; 93 emu_timer *m_irq_timer; 94 uint8_t m_irq_state; 95 }; 96 97 #endif // MAME_INCLUDES_CCASTLES_H 98