/*****************************************************************************
*
* includes/lynx.h
*
****************************************************************************/
#ifndef LYNX_H_
#define LYNX_H_
#include "imagedev/cartslot.h"
#define LYNX_CART 0
#define LYNX_QUICKLOAD 1
class lynx_state;
typedef struct
{
UINT8 *mem;
// global
UINT16 screen;
UINT16 colbuf;
UINT16 colpos; // byte where value of collision is written
INT16 xoff, yoff;
// in command
int mode;
UINT8 spr_coll;
UINT8 spritenr;
INT16 x_pos,y_pos;
UINT16 width, height; // uint16 important for blue lightning
INT16 tilt_accumulator;
UINT16 height_accumulator, width_accumulator;
UINT16 width_offset, height_offset;
INT16 stretch, tilt;
UINT8 color[16]; // or stored
void (*line_function)(lynx_state *state, const int y, const int xdir);
UINT16 bitmap;
UINT8 spr_ctl0;
UINT8 spr_ctl1;
UINT16 scb;
UINT16 scb_next;
UINT8 sprite_collide;
int everon;
UINT8 fred;
int memory_accesses;
attotime time;
int no_collide;
int vstretch;
int lefthanded;
int busy;
} BLITTER;
typedef struct
{
UINT8 serctl;
UINT8 data_received, data_to_send, buffer;
int received;
int sending;
int buffer_loaded;
} UART;
typedef struct
{
UINT8 data[0x100];
UINT8 high;
int low;
int signed_math;
int accumulate;
int accumulate_overflow;
} SUZY;
typedef struct
{
UINT8 data[0x100];
UINT16 disp_addr;
UINT8 vb_rest;
} MIKEY;
typedef struct
{
UINT8 bakup;
UINT8 cntrl1;
UINT8 cntrl2;
UINT8 counter;
emu_timer *timer;
int timer_active;
} LYNX_TIMER;
#define NR_LYNX_TIMERS 8
class lynx_state : public driver_device
{
public:
lynx_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) ,
m_mem_0000(*this, "mem_0000"),
m_mem_fc00(*this, "mem_fc00"),
m_mem_fd00(*this, "mem_fd00"),
m_mem_fe00(*this, "mem_fe00"),
m_mem_fffa(*this, "mem_fffa"){ }
virtual void video_start();
UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_shared_ptr<UINT8> m_mem_0000;
required_shared_ptr<UINT8> m_mem_fc00;
required_shared_ptr<UINT8> m_mem_fd00;
required_shared_ptr<UINT8> m_mem_fe00;
required_shared_ptr<UINT8> m_mem_fffa;
UINT16 m_granularity;
int m_sign_AB;
int m_sign_CD;
UINT32 m_palette[0x10];
int m_rotate;
device_t *m_audio;
SUZY m_suzy;
BLITTER m_blitter;
UINT8 m_memory_config;
MIKEY m_mikey;
LYNX_TIMER m_timer[NR_LYNX_TIMERS];
UART m_uart;
bitmap_ind16 m_bitmap;
bitmap_ind16 m_bitmap_temp;
DECLARE_READ8_MEMBER(suzy_read);
DECLARE_WRITE8_MEMBER(suzy_write);
DECLARE_WRITE8_MEMBER(lynx_uart_w);
DECLARE_READ8_MEMBER(mikey_read);
DECLARE_WRITE8_MEMBER(mikey_write);
DECLARE_READ8_MEMBER(lynx_memory_config_r);
DECLARE_WRITE8_MEMBER(lynx_memory_config_w);
void lynx_divide();
void lynx_multiply();
UINT8 lynx_timer_read(int which, int offset);
void lynx_timer_write(int which, int offset, UINT8 data);
};
/*----------- defined in machine/lynx.c -----------*/
MACHINE_START( lynx );
MACHINE_RESET( lynx );
void lynx_timer_count_down(running_machine &machine, int nr);
INTERRUPT_GEN( lynx_frame_int );
/* These functions are also needed for the Quickload */
int lynx_verify_cart (char *header, int kind);
void lynx_crc_keyword(device_image_interface &image);
MACHINE_CONFIG_EXTERN( lynx_cartslot );
/*----------- defined in audio/lynx.c -----------*/
class lynx_sound_device : public device_t,
public device_sound_interface
{
public:
lynx_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
lynx_sound_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock);
~lynx_sound_device() { global_free(m_token); }
// access to legacy token
void *token() const { assert(m_token != NULL); return m_token; }
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
virtual void device_reset();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
// internal state
void *m_token;
};
extern const device_type LYNX;
class lynx2_sound_device : public lynx_sound_device
{
public:
lynx2_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
protected:
// device-level overrides
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
};
extern const device_type LYNX2;
void lynx_audio_write(device_t *device, int offset, UINT8 data);
UINT8 lynx_audio_read(device_t *device, int offset);
void lynx_audio_count_down(device_t *device, int nr);
/*---------- suzy registers ------------- */
#define TMPADRL 0x00 // Temporary address (not sure what this is used for)
#define TMPADRH 0x01
#define TILTACUML 0x02 // Tilt accumulator (signed fixed-point, eight bits to the left of decimal)
#define TILTACUMH 0x03
#define HOFFL 0x04 // X offset to edge of visible window
#define HOFFH 0x05
#define VOFFL 0x06 // Y offset to edge of visible window
#define VOFFH 0x07
#define VIDBASL 0x08 // Video buffer address
#define VIDBASH 0x09
#define COLLBASL 0x0A // Collision buffer address
#define COLLBASH 0x0B
#define VIDADRL 0x0C // Current Video Build Address
#define VIDADRH 0x0D
#define COLLADRL 0x0E // Current Collision Build Address
#define COLLADRH 0x0F
#define SCBNEXTL 0x10 // Address of next SCB
#define SCBNEXTH 0x11
#define SPRDLINEL 0x12 // Sprite data start address
#define SPRDLINEH 0x13
#define HPOSSTRTL 0x14 // Starting Hpos
#define HPOSSTRTH 0x15
#define VPOSSTRTL 0x16 // Starting Vpos
#define VPOSSTRTH 0x17
#define SPRHSIZL 0x18 // H Size
#define SPRHSIZH 0x19
#define SPRVSIZL 0x1A // V Size
#define SPRVSIZH 0x1B
#define STRETCHL 0x1C // H/V Size Adder (signed fixed-point)
#define STRETCHH 0x1D
#define TILTL 0x1E // H Position Adder (signed fixed-point)
#define TILTH 0x1F
#define SPRDOFFL 0x20 // Offset to Next Sprite Data Line
#define SPRDOFFH 0x21
#define SPRVPOSL 0x22 // Current Vpos
#define SPRVPOSH 0x23
#define COLLOFFL 0x24 // Offset to Collision Depository
#define COLLOFFH 0x25
#define VSIZACUML 0x26 // Vertical Size Accumulator
#define VSIZACUMH 0x27
#define HSIZOFFL 0x28 // Horizontal Size Offset
#define HSIZOFFH 0x29
#define VSIZOFFL 0x2A // Vertical Size Offset
#define VSIZOFFH 0x2B
#define SCBADRL 0x2C // Address of Current SCB
#define SCBADRH 0x2D
#define PROCADRL 0x2E // Current Spr Data Proc Address
#define MATH_D 0x52
#define MATH_C 0x53
#define MATH_B 0x54
#define MATH_A 0x55
#define MATH_P 0x56
#define MATH_N 0x57
#define MATH_H 0x60
#define MATH_G 0x61
#define MATH_F 0x62
#define MATH_E 0x63
#define MATH_M 0x6c
#define MATH_L 0x6d
#define MATH_K 0x6e
#define MATH_J 0x6f
#define SPRCTL0 0x80 // Sprite Control Bits 0 (W)(U)
#define SPRCTL1 0x81 // Sprite Control Bits 1 (W)(U)
#define SPRCOLL 0x82 // Sprite Collision Number (W)
#define SPRINIT 0x83 // Sprite Initialization Bits (W)(U)
#define SUZYHREV 0x88 // Suzy Hardware Revision (R) = '01'
#define SUZYBUSEN 0x90 // Suzy Bus Enable (W)
#define SPRGO 0x91 // Sprite Process Start Bit (W)
#define SPRSYS 0x92 // System Control Bits (R/W)
#define JOYSTICK 0xB0 // Read Joystick and Switches(R)
#define SWITCHES 0xB1 // Read Other Switches (R)
#define RCART 0xB2 // Read / Write Cartridge Bank 0 (R/W)
#define RCART_BANK1 0xB3 // Read / Write Cartridge Bank 1 (R/W) (Unused in existing cartridges?)
//0xC0 LEDs (W)
//0xC2 Parallel Port Status(R/W)
//0xC3 Parallel Port Data (R/W)
//0xC4 Howie (R/W)
// SCB offsets
//8-bit
#define SCB_SPRCTL0 0x00 // 8 bit
#define SCB_SPRCTL1 0x01 // 8 bit
#define SCB_SPRCOLL 0x02 // 4 bit
//16-bit
#define SCB_SCBNEXT 0x03 // L,H Address of Next SCB
#define SCB_SPRDLINE 0x05 // L,H Start of Sprite Data Line Address
#define SCB_HPOSSTRT 0x07 // L,H Starting Hpos
#define SCB_VPOSSTRT 0x09 // L,H Starting Vpos
#define SCB_SPRHSIZ 0x0B // L,H H Size
#define SCB_SPRVSIZ 0x0D // L,H V Size
#define SCB_STRETCH 0x0F // L H H/V Size Adder
#define SCB_TILT 0x11 // L,H H Position Adder
#endif /* LYNX_H_ */