mirror of
https://github.com/holub/mame
synced 2025-06-05 12:26:35 +03:00
172 lines
4.2 KiB
C++
172 lines
4.2 KiB
C++
/*****************************************************************************
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*
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* includes/c65.h
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*
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****************************************************************************/
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#ifndef C65_H_
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#define C65_H_
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#include "machine/6526cia.h"
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#include "machine/cbmiec.h"
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#include "imagedev/cartslot.h"
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#define C64_MAX_ROMBANK 64 // .crt files contain multiple 'CHIPs', i.e. rom banks (of variable size) with headers. Known carts have at most 64 'CHIPs'.
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struct C64_ROM {
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int addr, size, index, start;
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};
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struct c64_cart_t {
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C64_ROM bank[C64_MAX_ROMBANK];
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INT8 game;
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INT8 exrom;
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UINT8 mapper;
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UINT8 n_banks;
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};
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struct dma_t
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{
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int version;
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UINT8 data[4];
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};
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struct fdc_t
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{
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int state;
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UINT8 reg[0x0f];
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UINT8 buffer[0x200];
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int cpu_pos;
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int fdc_pos;
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UINT16 status;
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attotime time;
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int head,track,sector;
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};
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struct expansion_ram_t
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{
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UINT8 reg;
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};
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class c65_state : public driver_device
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{
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public:
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c65_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_iec(*this, CBM_IEC_TAG),
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m_colorram(*this, "colorram"),
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m_basic(*this, "basic"),
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m_chargen(*this, "chargen"),
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m_kernal(*this, "kernal"),
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m_c65_chargen(*this, "c65_chargen"),
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m_interface(*this, "interface"),
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m_roml_writable(0)
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{ }
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optional_device<cbm_iec_device> m_iec;
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required_shared_ptr<UINT8> m_colorram;
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required_shared_ptr<UINT8> m_basic;
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required_shared_ptr<UINT8> m_chargen;
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required_shared_ptr<UINT8> m_kernal;
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required_shared_ptr<UINT8> m_c65_chargen;
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required_shared_ptr<UINT8> m_interface;
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int m_old_level;
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int m_old_data;
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int m_old_exrom;
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int m_old_game;
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UINT8 m_vicirq;
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emu_timer *m_datasette_timer;
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emu_timer *m_cartridge_timer;
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UINT8 *m_memory;
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int m_pal;
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int m_tape_on;
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UINT8 *m_c64_roml;
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UINT8 *m_c64_romh;
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UINT8 *m_vicaddr;
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UINT8 *m_c128_vicaddr;
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UINT8 m_game;
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UINT8 m_exrom;
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UINT8 *m_io_mirror;
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UINT8 m_port_data;
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UINT8 *m_roml;
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UINT8 *m_romh;
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int m_roml_writable;
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int m_ultimax;
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int m_cia1_on;
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int m_io_enabled;
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int m_is_sx64;
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UINT8 *m_io_ram_w_ptr;
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UINT8 *m_io_ram_r_ptr;
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c64_cart_t m_cart;
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int m_nmilevel; int m_charset_select;
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int m_c64mode;
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UINT8 m_6511_port;
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UINT8 m_keyline;
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int m_old_value;
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dma_t m_dma;
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int m_dump_dma;
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fdc_t m_fdc;
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expansion_ram_t m_expansion_ram;
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int m_io_on;
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int m_io_dc00_on;
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DECLARE_DRIVER_INIT(c65);
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DECLARE_DRIVER_INIT(c65pal);
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DECLARE_READ8_MEMBER( c64_lightpen_x_cb );
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DECLARE_READ8_MEMBER( c64_lightpen_y_cb );
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DECLARE_READ8_MEMBER( c64_lightpen_button_cb );
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DECLARE_READ8_MEMBER( c64_dma_read );
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DECLARE_READ8_MEMBER( c64_dma_read_ultimax );
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DECLARE_READ8_MEMBER( c64_dma_read_color );
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DECLARE_WRITE_LINE_MEMBER( c64_vic_interrupt );
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DECLARE_READ8_MEMBER( c64_rdy_cb );
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DECLARE_READ8_MEMBER( sid_potx_r );
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DECLARE_READ8_MEMBER( sid_poty_r );
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DECLARE_MACHINE_START(c65);
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DECLARE_PALETTE_INIT(c65);
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UINT32 screen_update_c65(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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INTERRUPT_GEN_MEMBER(vic3_raster_irq);
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INTERRUPT_GEN_MEMBER(c65_frame_interrupt);
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DECLARE_READ8_MEMBER(c65_cia0_port_a_r);
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DECLARE_READ8_MEMBER(c65_cia0_port_b_r);
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DECLARE_WRITE8_MEMBER(c65_cia0_port_b_w);
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DECLARE_READ8_MEMBER(c65_cia1_port_a_r);
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DECLARE_WRITE8_MEMBER(c65_cia1_port_a_w);
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DECLARE_WRITE_LINE_MEMBER(c65_cia1_interrupt);
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void c64_legacy_driver_init();
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DECLARE_DEVICE_IMAGE_LOAD_MEMBER( c64_cart );
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DECLARE_DEVICE_IMAGE_UNLOAD_MEMBER( c64_cart );
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};
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/*----------- defined in machine/c65.c -----------*/
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/*extern UINT8 *c65_memory; */
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/*extern UINT8 *c65_basic; */
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/*extern UINT8 *c65_kernal; */
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/*extern UINT8 *c65_dos; */
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/*extern UINT8 *c65_monitor; */
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/*extern UINT8 *c65_graphics; */
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void c65_bankswitch (running_machine &machine);
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//void c65_colorram_write (running_machine &machine, int offset, int value);
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int c65_dma_read(running_machine &machine, int offset);
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int c65_dma_read_color(running_machine &machine, int offset);
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void c65_vic_interrupt(running_machine &machine, int level);
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void c65_bankswitch_interface(running_machine &machine, int value);
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extern const legacy_mos6526_interface c65_cia0;
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extern const legacy_mos6526_interface c65_cia1;
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DECLARE_READ8_HANDLER ( c64_colorram_read );
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DECLARE_WRITE8_HANDLER ( c64_colorram_write );
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MACHINE_CONFIG_EXTERN( c64_cartslot );
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#endif /* C65_H_ */
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