summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/megadriv.h
blob: fd6a6b232c48fc139b689d3a141e2adaabf5c411 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
extern DRIVER_INIT( megadriv_c2 );
extern DRIVER_INIT( megadrie );
extern DRIVER_INIT( megadriv );
extern DRIVER_INIT( megadrij );
extern DRIVER_INIT( _32x );

INPUT_PORTS_EXTERN(megadriv);
INPUT_PORTS_EXTERN(aladbl);
INPUT_PORTS_EXTERN(megadri6);
INPUT_PORTS_EXTERN(ssf2ghw);
INPUT_PORTS_EXTERN(megdsvp);

MACHINE_DRIVER_EXTERN( megdsvppal );
MACHINE_DRIVER_EXTERN(megadriv);
MACHINE_DRIVER_EXTERN(megadpal);
MACHINE_DRIVER_EXTERN(megdsvp);
MACHINE_DRIVER_EXTERN( genesis_32x );
MACHINE_DRIVER_EXTERN( genesis_32x_pal );
MACHINE_DRIVER_EXTERN( genesis_scd );
MACHINE_DRIVER_EXTERN( genesis_32x_scd );

extern UINT16* megadriv_backupram;
extern int megadriv_backupram_length;
extern UINT16* megadrive_ram;
extern UINT8 megatech_bios_port_cc_dc_r(running_machine *machine, int offset, int ctrl);
extern void megadriv_stop_scanline_timer(void);

void megatech_set_megadrive_z80_as_megadrive_z80(running_machine *machine);

extern READ8_HANDLER (megatech_sms_ioport_dc_r);
extern READ8_HANDLER (megatech_sms_ioport_dd_r);

extern READ16_HANDLER( megadriv_vdp_r );
extern WRITE16_HANDLER( megadriv_vdp_w );

MACHINE_RESET( megadriv );
VIDEO_START( megadriv );
VIDEO_UPDATE( megadriv );
VIDEO_EOF( megadriv );

/* Needed to create external input handlers (see e.g. MESS) */

extern UINT8 (*megadrive_io_read_data_port_ptr)(running_machine *machine, int offset);
extern void (*megadrive_io_write_data_port_ptr)(running_machine *machine, int offset, UINT16 data);
extern UINT8 megadrive_io_data_regs[3];
extern UINT8 megadrive_io_ctrl_regs[3];

extern UINT16* megadrive_vdp_palette_lookup;
extern UINT16* megadrive_vdp_palette_lookup_sprite; // for C2
extern UINT16* megadrive_vdp_palette_lookup_shadow;
extern UINT16* megadrive_vdp_palette_lookup_highlight;

extern int segac2_bg_pal_lookup[4];
extern int segac2_sp_pal_lookup[4];

extern int genvdp_use_cram;
extern int genesis_has_z80;
extern int genesis_always_irq6;
extern int genesis_other_hacks;