1 // license:BSD-3-Clause 2 // copyright-holders:Fabio Priuli,Acho A. Tang, R. Belmont 3 #ifndef MAME_VIDEO_K051316_H 4 #define MAME_VIDEO_K051316_H 5 6 #pragma once 7 8 #include "tilemap.h" 9 10 11 #define K051316_CB_MEMBER(_name) void _name(int *code, int *color, int *flags) 12 13 14 class k051316_device : public device_t, public device_gfx_interface 15 { 16 public: 17 using zoom_delegate = device_delegate<void (int *code, int *color, int *flags)>; 18 19 k051316_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 20 21 static const gfx_layout charlayout4; 22 static const gfx_layout charlayout7; 23 static const gfx_layout charlayout8; 24 DECLARE_GFXDECODE_MEMBER(gfxinfo); 25 DECLARE_GFXDECODE_MEMBER(gfxinfo7); 26 DECLARE_GFXDECODE_MEMBER(gfxinfo8); 27 DECLARE_GFXDECODE_MEMBER(gfxinfo4_ram); 28 29 // configuration set_zoom_callback(T &&...args)30 template <typename... T> void set_zoom_callback(T &&... args) { m_k051316_cb.set(std::forward<T>(args)...); } set_wrap(int wrap)31 void set_wrap(int wrap) { m_wrap = wrap; } 32 void set_bpp(int bpp); set_layermask(int mask)33 void set_layermask(int mask) { m_layermask = mask; } set_offsets(int x_offset,int y_offset)34 void set_offsets(int x_offset, int y_offset) 35 { 36 m_dx = x_offset; 37 m_dy = y_offset; 38 } 39 40 /* 41 The callback is passed: 42 - code (range 00-FF, contents of the first tilemap RAM byte) 43 - color (range 00-FF, contents of the first tilemap RAM byte). Note that bit 6 44 seems to be hardcoded as flip X. 45 The callback must put: 46 - in code the resulting tile number 47 - in color the resulting color index 48 - if necessary, put flags for the TileMap code in the tile_info 49 structure (e.g. TILE_FLIPX) 50 */ 51 52 u8 read(offs_t offset); 53 void write(offs_t offset, u8 data); 54 u8 rom_r(offs_t offset); 55 void ctrl_w(offs_t offset, u8 data); 56 void zoom_draw(screen_device &screen, bitmap_ind16 &bitmap,const rectangle &cliprect,int flags,uint32_t priority); 57 void wraparound_enable(int status); 58 mark_gfx_dirty(offs_t byteoffset)59 void mark_gfx_dirty(offs_t byteoffset) { gfx(0)->mark_dirty(byteoffset * m_pixels_per_byte / (16 * 16)); } mark_tmap_dirty()60 void mark_tmap_dirty() { m_tmap->mark_all_dirty(); } 61 62 protected: 63 // device-level overrides 64 virtual void device_start() override; 65 virtual void device_reset() override; 66 67 private: 68 // internal state 69 std::vector<uint8_t> m_ram; 70 uint8_t m_ctrlram[16]; 71 tilemap_t *m_tmap; 72 73 optional_region_ptr<uint8_t> m_zoom_rom; 74 75 int m_dx, m_dy; 76 int m_wrap; 77 int m_pixels_per_byte; 78 int m_layermask; 79 zoom_delegate m_k051316_cb; 80 81 TILE_GET_INFO_MEMBER(get_tile_info); 82 }; 83 84 DECLARE_DEVICE_TYPE(K051316, k051316_device) 85 86 #endif // MAME_VIDEO_K051316_H 87