// license:BSD-3-Clause
// copyright-holders:Wilbert Pol, Robbbert
/*****************************************************************************
*
* includes/gamecom.h
*
* Tiger Game.com
*
* Driver by Wilbert Pol
*
****************************************************************************/
#ifndef MAME_INCLUDES_GAMECOM_H
#define MAME_INCLUDES_GAMECOM_H
#include "cpu/sm8500/sm8500.h"
#include "sound/dac.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "machine/nvram.h"
#include "emupal.h"
/* SM8521 register addresses */
enum
{
SM8521_R0 = 0x00,
SM8521_R1 = 0x01,
SM8521_R2 = 0x02,
SM8521_R3 = 0x03,
SM8521_R4 = 0x04,
SM8521_R5 = 0x05,
SM8521_R6 = 0x06,
SM8521_R7 = 0x07,
SM8521_R8 = 0x08,
SM8521_R9 = 0x09,
SM8521_R10 = 0x0A,
SM8521_R11 = 0x0B,
SM8521_R12 = 0x0C,
SM8521_R13 = 0x0D,
SM8521_R14 = 0x0E,
SM8521_R15 = 0x0F,
SM8521_IE0 = 0x10,
SM8521_IE1 = 0x11,
SM8521_IR0 = 0x12,
SM8521_IR1 = 0x13,
SM8521_P0 = 0x14,
SM8521_P1 = 0x15,
SM8521_P2 = 0x16,
SM8521_P3 = 0x17,
SM8521_18 = 0x18, /* reserved */
SM8521_SYS = 0x19,
SM8521_CKC = 0x1A,
SM8521_1B = 0x1B, /* reserved */
SM8521_SPH = 0x1C,
SM8521_SPL = 0x1D,
SM8521_PS0 = 0x1E,
SM8521_PS1 = 0x1F,
SM8521_P0C = 0x20,
SM8521_P1C = 0x21,
SM8521_P2C = 0x22,
SM8521_P3C = 0x23,
SM8521_MMU0 = 0x24,
SM8521_MMU1 = 0x25,
SM8521_MMU2 = 0x26,
SM8521_MMU3 = 0x27,
SM8521_MMU4 = 0x28,
SM8521_29 = 0x29, /* reserved */
SM8521_2A = 0x2A, /* reserved */
SM8521_URTT = 0x2B,
SM8521_URTR = 0x2C,
SM8521_URTS = 0x2D,
SM8521_URTC = 0x2E,
SM8521_2F = 0x2F, /* reserved */
SM8521_LCDC = 0x30,
SM8521_LCH = 0x31,
SM8521_LCV = 0x32,
SM8521_33 = 0x33, /* reserved */
SM8521_DMC = 0x34,
SM8521_DMX1 = 0x35,
SM8521_DMY1 = 0x36,
SM8521_DMDX = 0x37,
SM8521_DMDY = 0x38,
SM8521_DMX2 = 0x39,
SM8521_DMY2 = 0x3A,
SM8521_DMPL = 0x3B,
SM8521_DMBR = 0x3C,
SM8521_DMVP = 0x3D,
SM8521_3E = 0x3E, /* reserved */
SM8521_3F = 0x3F, /* reserved */
SM8521_SGC = 0x40,
SM8521_41 = 0x41, /* reserved */
SM8521_SG0L = 0x42,
SM8521_43 = 0x43, /* reserved */
SM8521_SG1L = 0x44,
SM8521_45 = 0x45, /* reserved */
SM8521_SG0TH = 0x46,
SM8521_SG0TL = 0x47,
SM8521_SG1TH = 0x48,
SM8521_SG1TL = 0x49,
SM8521_SG2L = 0x4A,
SM8521_4B = 0x4B, /* reserved */
SM8521_SG2TH = 0x4C,
SM8521_SG2TL = 0x4D,
SM8521_SGDA = 0x4E,
SM8521_4F = 0x4F, /* reserved */
SM8521_TM0C = 0x50,
SM8521_TM0D = 0x51,
SM8521_TM1C = 0x52,
SM8521_TM1D = 0x53,
SM8521_CLKT = 0x54,
SM8521_55 = 0x55, /* reserved */
SM8521_56 = 0x56, /* reserved */
SM8521_57 = 0x57, /* reserved */
SM8521_58 = 0x58, /* reserved */
SM8521_59 = 0x59, /* reserved */
SM8521_5A = 0x5A, /* reserved */
SM8521_5B = 0x5B, /* reserved */
SM8521_5C = 0x5C, /* reserved */
SM8521_5D = 0x5D, /* reserved */
SM8521_WDT = 0x5E,
SM8521_WDTC = 0x5F,
SM8521_SG0W0 = 0x60,
SM8521_SG0W1 = 0x61,
SM8521_SG0W2 = 0x62,
SM8521_SG0W3 = 0x63,
SM8521_SG0W4 = 0x64,
SM8521_SG0W5 = 0x65,
SM8521_SG0W6 = 0x66,
SM8521_SG0W7 = 0x67,
SM8521_SG0W8 = 0x68,
SM8521_SG0W9 = 0x69,
SM8521_SG0W10 = 0x6A,
SM8521_SG0W11 = 0x6B,
SM8521_SG0W12 = 0x6C,
SM8521_SG0W13 = 0x6D,
SM8521_SG0W14 = 0x6E,
SM8521_SG0W15 = 0x6F,
SM8521_SG1W0 = 0x70,
SM8521_SG1W1 = 0x71,
SM8521_SG1W2 = 0x72,
SM8521_SG1W3 = 0x73,
SM8521_SG1W4 = 0x74,
SM8521_SG1W5 = 0x75,
SM8521_SG1W6 = 0x76,
SM8521_SG1W7 = 0x77,
SM8521_SG1W8 = 0x78,
SM8521_SG1W9 = 0x79,
SM8521_SG1W10 = 0x7A,
SM8521_SG1W11 = 0x7B,
SM8521_SG1W12 = 0x7C,
SM8521_SG1W13 = 0x7D,
SM8521_SG1W14 = 0x7E,
SM8521_SG1W15 = 0x7F
};
struct GAMECOM_DMA
{
int enabled;
int transfer_mode;
int decrement_y;
int decrement_x;
int overwrite_mode;
int width_x;
int width_y;
int width_x_count;
int width_y_count;
int source_x;
int source_x_current;
int source_y;
int source_width;
int dest_x;
int dest_x_current;
int dest_y;
int dest_width;
int state_count;
int state_pixel;
int state_limit;
uint8_t palette[4];
uint8_t *source_bank;
unsigned int source_current;
unsigned int source_line;
unsigned int source_mask;
uint8_t *dest_bank;
unsigned int dest_current;
unsigned int dest_line;
unsigned int dest_mask;
};
struct GAMECOM_TIMER
{
int enabled;
int state_count;
int state_limit;
int check_value;
};
struct gamecom_sound_t
{
uint8_t sgc;
uint8_t sg0l;
uint8_t sg1l;
uint8_t sg2l;
uint16_t sg0t;
uint16_t sg1t;
uint16_t sg2t;
uint8_t sgda;
uint8_t sg0w[16];
uint8_t sg1w[16];
};
class gamecom_state : public driver_device
{
public:
gamecom_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_p_videoram(*this,"videoram")
, m_p_nvram(*this,"nvram")
, m_maincpu(*this, "maincpu")
, m_screen(*this, "screen")
, m_dac(*this, "dac")
, m_dac0(*this, "dac0")
, m_dac1(*this, "dac1")
, m_cart1(*this, "cartslot1")
, m_cart2(*this, "cartslot2")
, m_bank1(*this, "bank1")
, m_bank2(*this, "bank2")
, m_bank3(*this, "bank3")
, m_bank4(*this, "bank4")
, m_region_maincpu(*this, "maincpu")
, m_region_kernel(*this, "kernel")
, m_io_in0(*this, "IN0")
, m_io_in1(*this, "IN1")
, m_io_in2(*this, "IN2")
, m_io_grid(*this, "GRID.%u", 0)
{
}
void gamecom(machine_config &config);
void init_gamecom();
private:
DECLARE_READ8_MEMBER( gamecom_internal_r );
DECLARE_READ8_MEMBER( gamecom_pio_r );
DECLARE_WRITE8_MEMBER( gamecom_internal_w );
DECLARE_WRITE8_MEMBER( gamecom_pio_w );
DECLARE_PALETTE_INIT(gamecom);
INTERRUPT_GEN_MEMBER(gamecom_interrupt);
TIMER_CALLBACK_MEMBER(gamecom_clock_timer_callback);
TIMER_CALLBACK_MEMBER(gamecom_sound0_timer_callback);
TIMER_CALLBACK_MEMBER(gamecom_sound1_timer_callback);
TIMER_CALLBACK_MEMBER(gamecom_scanline);
DECLARE_WRITE8_MEMBER( gamecom_handle_dma );
DECLARE_WRITE8_MEMBER( gamecom_update_timers );
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( gamecom_cart1 );
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( gamecom_cart2 );
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void gamecom_mem_map(address_map &map);
uint8_t *m_p_ram;
uint8_t *m_cart_ptr;
uint8_t m_lcdc_reg;
uint8_t m_lch_reg;
uint8_t m_lcv_reg;
uint8_t m_sound0_cnt;
uint8_t m_sound1_cnt;
uint16_t m_scanline;
uint16_t m_base_address;
memory_region *m_cart1_rom;
memory_region *m_cart2_rom;
emu_timer *m_clock_timer;
emu_timer *m_sound0_timer;
emu_timer *m_sound1_timer;
emu_timer *m_scanline_timer;
GAMECOM_DMA m_dma;
GAMECOM_TIMER m_timer[2];
gamecom_sound_t m_sound;
bitmap_ind16 m_bitmap;
void gamecom_set_mmu(uint8_t mmu, uint8_t data);
void handle_stylus_press(int column);
void recompute_lcd_params();
void handle_input_press(uint16_t mux_data);
image_init_result common_load(device_image_interface &image, generic_slot_device *slot);
virtual void machine_reset() override;
virtual void video_start() override;
required_shared_ptr<uint8_t> m_p_videoram;
required_shared_ptr<uint8_t> m_p_nvram;
required_device<cpu_device> m_maincpu;
required_device<screen_device> m_screen;
required_device<dac_byte_interface> m_dac;
required_device<dac_byte_interface> m_dac0;
required_device<dac_byte_interface> m_dac1;
required_device<generic_slot_device> m_cart1;
required_device<generic_slot_device> m_cart2;
required_memory_bank m_bank1;
required_memory_bank m_bank2;
required_memory_bank m_bank3;
required_memory_bank m_bank4;
required_memory_region m_region_maincpu;
required_memory_region m_region_kernel;
required_ioport m_io_in0;
required_ioport m_io_in1;
required_ioport m_io_in2;
required_ioport_array<13> m_io_grid;
};
#endif // MAME_INCLUDES_GAMECOM_H