diff options
Diffstat (limited to 'src/mess/machine/megacd.h')
-rw-r--r-- | src/mess/machine/megacd.h | 254 |
1 files changed, 0 insertions, 254 deletions
diff --git a/src/mess/machine/megacd.h b/src/mess/machine/megacd.h deleted file mode 100644 index 84ed0b399c5..00000000000 --- a/src/mess/machine/megacd.h +++ /dev/null @@ -1,254 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:David Haywood -/* Sega CD / Mega CD */ - -#include "cpu/m68000/m68000.h" -#include "machine/lc89510.h" -#include "machine/megacdcd.h" -#include "sound/rf5c68.h" - -#define SEGACD_CLOCK 12500000 - -#define RAM_MODE_2MEG (0) -#define RAM_MODE_1MEG (2) - -#define DMA_PCM (0x0400) -#define DMA_PRG (0x0500) -#define DMA_WRAM (0x0700) - -// irq3 timer -#define CHECK_SCD_LV3_INTERRUPT \ - if (m_lc89510_temp->get_segacd_irq_mask() & 0x08) \ - { \ - m_scdcpu->set_input_line(3, HOLD_LINE); \ - } -// from master -#define CHECK_SCD_LV2_INTERRUPT \ - if (m_lc89510_temp->get_segacd_irq_mask() & 0x04) \ - { \ - m_scdcpu->set_input_line(2, HOLD_LINE); \ - } - -// gfx convert -#define CHECK_SCD_LV1_INTERRUPT \ - if (m_lc89510_temp->get_segacd_irq_mask() & 0x02) \ - { \ - m_scdcpu->set_input_line(1, HOLD_LINE); \ - } - -#define SEGACD_IRQ3_TIMER_SPEED (attotime::from_nsec(m_irq3_timer_reg*30720)) - - -class sega_segacd_device : public device_t, public device_gfx_interface -{ -public: - sega_segacd_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); - - required_device<cpu_device> m_scdcpu; - required_device<rf5c68_device> m_rfsnd; - required_device<lc89510_temp_device> m_lc89510_temp; - required_device<timer_device> m_stopwatch_timer; - required_device<timer_device> m_stamp_timer; - required_device<timer_device> m_irq3_timer; - required_device<timer_device> m_dma_timer; - //required_device<timer_device> m_hock_timer; - - required_shared_ptr<UINT16> m_prgram; - required_shared_ptr<UINT16> m_dataram; - required_shared_ptr<UINT16> m_font_bits; - - // can't use a memshare because it's 8-bit RAM in a 16-bit address space - std::vector<UINT8> m_backupram; - - UINT8 m_font_color; - - UINT16 scd_rammode; - UINT32 scd_mode_dmna_ret_flags ; - - tilemap_t *segacd_stampmap[4]; - - - UINT8 segacd_ram_writeprotect_bits; - int segacd_4meg_prgbank;// = 0; // which bank the MainCPU can see of the SubCPU PrgRAM - int segacd_memory_priority_mode;// = 0; - int segacd_stampsize; - - UINT16 segacd_hint_register; - UINT16 segacd_imagebuffer_vdot_size; - UINT16 segacd_imagebuffer_vcell_size; - UINT16 segacd_imagebuffer_hdot_size; - - int segacd_conversion_active;// = 0; - UINT16 segacd_stampmap_base_address; - UINT16 segacd_imagebuffer_start_address; - UINT16 segacd_imagebuffer_offset; - - - UINT16 segacd_comms_flags;// = 0x0000; - UINT16 segacd_comms_part1[0x8]; - UINT16 segacd_comms_part2[0x8]; - - int segacd_redled;// = 0; - int segacd_greenled;// = 0; - int segacd_ready;// = 1; // actually set 100ms after startup? - UINT8 m_irq3_timer_reg; - - - TIMER_DEVICE_CALLBACK_MEMBER( irq3_timer_callback ); - TIMER_DEVICE_CALLBACK_MEMBER( stamp_timer_callback ); - - UINT16 handle_segacd_sub_int_callback(int irqline); - - inline void write_pixel(UINT8 pix, int pixeloffset); - UINT16 segacd_1meg_mode_word_read(int offset, UINT16 mem_mask); - void segacd_1meg_mode_word_write(int offset, UINT16 data, UINT16 mem_mask, int use_pm); - - DECLARE_READ16_MEMBER( segacd_dmaaddr_r ); - DECLARE_WRITE16_MEMBER( segacd_dmaaddr_w ); - UINT16 m_dmaaddr; - - UINT16 m_a12000_halt_reset_reg; - - int m_framerate; - int m_base_total_scanlines; - int m_total_scanlines; - - void segacd_mark_tiles_dirty(int offset); - int segacd_get_active_stampmap_tilemap(void); - - // set some variables at start, depending on region (shall be moved to a device interface?) - void set_framerate(int rate) { m_framerate = rate; } - void set_total_scanlines(int total) { m_base_total_scanlines = total; } // this gets set at start only - void update_total_scanlines(bool mode3) { m_total_scanlines = mode3 ? (m_base_total_scanlines * 2) : m_base_total_scanlines; } // this gets set at each EOF - - void SCD_GET_TILE_INFO_16x16_1x1( int& tile_region, int& tileno, int tile_index ); - void SCD_GET_TILE_INFO_32x32_1x1( int& tile_region, int& tileno, int tile_index ); - void SCD_GET_TILE_INFO_16x16_16x16( int& tile_region, int& tileno, int tile_index ); - void SCD_GET_TILE_INFO_32x32_16x16( int& tile_region, int& tileno, int tile_index ); - - TILE_GET_INFO_MEMBER( get_stampmap_16x16_1x1_tile_info ); - TILE_GET_INFO_MEMBER( get_stampmap_32x32_1x1_tile_info ); - TILE_GET_INFO_MEMBER( get_stampmap_16x16_16x16_tile_info ); - TILE_GET_INFO_MEMBER( get_stampmap_32x32_16x16_tile_info ); - - UINT8 get_stampmap_16x16_1x1_tile_info_pixel(int xpos, int ypos); - UINT8 get_stampmap_32x32_1x1_tile_info_pixel(int xpos, int ypos); - UINT8 get_stampmap_16x16_16x16_tile_info_pixel(int xpos, int ypos); - UINT8 get_stampmap_32x32_16x16_tile_info_pixel(int xpos, int ypos); - - WRITE16_MEMBER( scd_a12000_halt_reset_w ); - READ16_MEMBER( scd_a12000_halt_reset_r ); - READ16_MEMBER( scd_a12002_memory_mode_r ); - WRITE8_MEMBER( scd_a12002_memory_mode_w_8_15 ); - WRITE8_MEMBER( scd_a12002_memory_mode_w_0_7 ); - WRITE16_MEMBER( scd_a12002_memory_mode_w ); - READ16_MEMBER( segacd_sub_memory_mode_r ); - WRITE8_MEMBER( segacd_sub_memory_mode_w_8_15 ); - WRITE8_MEMBER( segacd_sub_memory_mode_w_0_7 ); - WRITE16_MEMBER( segacd_sub_memory_mode_w ); - - READ16_MEMBER( segacd_comms_flags_r ); - WRITE16_MEMBER( segacd_comms_flags_subcpu_w ); - WRITE16_MEMBER( segacd_comms_flags_maincpu_w ); - READ16_MEMBER( scd_4m_prgbank_ram_r ); - WRITE16_MEMBER( scd_4m_prgbank_ram_w ); - READ16_MEMBER( segacd_comms_main_part1_r ); - WRITE16_MEMBER( segacd_comms_main_part1_w ); - READ16_MEMBER( segacd_comms_main_part2_r ); - WRITE16_MEMBER( segacd_comms_main_part2_w ); - READ16_MEMBER( segacd_comms_sub_part1_r ); - WRITE16_MEMBER( segacd_comms_sub_part1_w ); - READ16_MEMBER( segacd_comms_sub_part2_r ); - WRITE16_MEMBER( segacd_comms_sub_part2_w ); - - - - READ16_MEMBER( segacd_main_dataram_part1_r ); - WRITE16_MEMBER( segacd_main_dataram_part1_w ); - - READ16_MEMBER( scd_hint_vector_r ); - READ16_MEMBER( scd_a12006_hint_register_r ); - WRITE16_MEMBER( scd_a12006_hint_register_w ); - - - WRITE16_MEMBER( segacd_stopwatch_timer_w ); - READ16_MEMBER( segacd_stopwatch_timer_r ); - READ16_MEMBER( segacd_sub_led_ready_r ); - WRITE16_MEMBER( segacd_sub_led_ready_w ); - READ16_MEMBER( segacd_sub_dataram_part1_r ); - WRITE16_MEMBER( segacd_sub_dataram_part1_w ); - READ16_MEMBER( segacd_sub_dataram_part2_r ); - WRITE16_MEMBER( segacd_sub_dataram_part2_w ); - - - READ16_MEMBER( segacd_stampsize_r ); - WRITE16_MEMBER( segacd_stampsize_w ); - - UINT8 read_pixel_from_stampmap(bitmap_ind16* srcbitmap, int x, int y); - - WRITE16_MEMBER( segacd_trace_vector_base_address_w ); - READ16_MEMBER( segacd_imagebuffer_vdot_size_r ); - WRITE16_MEMBER( segacd_imagebuffer_vdot_size_w ); - READ16_MEMBER( segacd_stampmap_base_address_r ); - WRITE16_MEMBER( segacd_stampmap_base_address_w ); - READ16_MEMBER( segacd_imagebuffer_start_address_r ); - WRITE16_MEMBER( segacd_imagebuffer_start_address_w ); - READ16_MEMBER( segacd_imagebuffer_offset_r ); - WRITE16_MEMBER( segacd_imagebuffer_offset_w ); - READ16_MEMBER( segacd_imagebuffer_vcell_size_r ); - WRITE16_MEMBER( segacd_imagebuffer_vcell_size_w ); - READ16_MEMBER( segacd_imagebuffer_hdot_size_r ); - WRITE16_MEMBER( segacd_imagebuffer_hdot_size_w ); - READ16_MEMBER( segacd_irq3timer_r ); - WRITE16_MEMBER( segacd_irq3timer_w ); - READ8_MEMBER( backupram_r ); - WRITE8_MEMBER( backupram_w ); - READ8_MEMBER( font_color_r ); - WRITE8_MEMBER( font_color_w ); - READ16_MEMBER( font_converted_r ); - TIMER_DEVICE_CALLBACK_MEMBER( dma_timer_callback ); - IRQ_CALLBACK_MEMBER(segacd_sub_int_callback); - - void SegaCD_CDC_Do_DMA( int &dmacount, UINT8 *CDC_BUFFER, UINT16 &dma_addrc, UINT16 &destination ); - -protected: - virtual void device_start(); - virtual void device_reset(); - - // optional information overrides -// virtual const rom_entry *device_rom_region() const; - virtual machine_config_constructor device_mconfig_additions() const; -private: -// virtual void device_config_complete(); - -}; - - -class sega_segacd_us_device : public sega_segacd_device -{ - public: - sega_segacd_us_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - protected: - -}; - -class sega_segacd_japan_device : public sega_segacd_device -{ - public: - sega_segacd_japan_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - protected: -// virtual machine_config_constructor device_mconfig_additions() const; -}; - -class sega_segacd_europe_device : public sega_segacd_device -{ - public: - sega_segacd_europe_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); - protected: -// virtual machine_config_constructor device_mconfig_additions() const; -}; - - -extern const device_type SEGA_SEGACD_US; -extern const device_type SEGA_SEGACD_JAPAN; -extern const device_type SEGA_SEGACD_EUROPE; 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