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path: root/src/mame/drivers/galpani3.c
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/*
    Gals Panic 3
    (c) Kaneko 1995

    Skeleton driver by Haze
    WIP Driver by Sebastien Volpe

Check done by main code, as part of EEPROM data:
'Gals Panic 3 v0.96 95/08/29(Tue)'


TODO:
- find a working board to dump MCU provided code & data, as code is
  involved just after initial checks; the game currently goes nowhere.
- finish emulation, mainly backgounds

What's been done lately:
- palette, inputs, sound, backgounds 'decoded' (RLE)
*/

/*

Gals Panic 3 (JPN Ver.)
(c)1995 Kaneko

CPU:    68000-16
Sound:  YMZ280B-F
OSC:    28.6363MHz
        33.3333MHz
EEPROM: 93C46
Chips.: GRAP2 x3                <- R/G/B Chips?
        APRIO-GL
        BABY004                 <- Sprites, see suprnova.c
        GCNT2
        TBSOP01                 <- ToyBox NEC uPD78324 series MCU with 32K internal rom
        CG24173 6186
        CG24143 4181


G3P0J1.71     prg.
G3P1J1.102

GP340000.123  chr.
GP340100.122
GP340200.121
GP340300.120
G3G0J0.101
G3G1J0.100

G3D0X0.134

GP320000.1    OBJ chr.

GP310000.41   sound data
GP310100.40


--- Team Japump!!! ---
http://www.rainemu.com/japump/
http://japump.i.am/
Dumped by Uki
10/22/2000

*/

#include "driver.h"
#include "sound/ymz280b.h"

extern UINT32* skns_spc_regs;

/***************************************************************************

 video

***************************************************************************/

static UINT16 *galpani3_sprregs, *galpani3_spriteram;

static INTERRUPT_GEN( galpani3_vblank ) // 2, 3, 5 ?
{
	switch ( cpu_getiloops() )
	{
		case 2:  cpunum_set_input_line(0, 2, HOLD_LINE); break;
		case 1:  cpunum_set_input_line(0, 3, HOLD_LINE); break;
		case 0:  cpunum_set_input_line(0, 5, HOLD_LINE); break;
	}
}



static VIDEO_START(galpani3)
{
	/* so we can use suprnova.c */
	buffered_spriteram32 = auto_malloc ( 0x4000 );
	spriteram_size = 0x4000;
	skns_spc_regs = auto_malloc (0x40);
}

extern void skns_draw_sprites(running_machine *machine, mame_bitmap *bitmap, const rectangle *cliprect );


static VIDEO_UPDATE(galpani3)
{
	fillbitmap(bitmap, get_black_pen(machine), cliprect);

	skns_draw_sprites(machine,bitmap,cliprect);
	return 0;
}


static INPUT_PORTS_START( galpani3 )

	PORT_START	// IN0 - Player Controls
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP	) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN	) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT	) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT	) PORT_8WAY PORT_PLAYER(1)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN ) // ?
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	// IN1 - Player Controls
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP	) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN	) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT	) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT	) PORT_8WAY PORT_PLAYER(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_UNKNOWN ) // ?
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START	// IN2 - Coins
	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_START1 )
	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_START2 )
	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_COIN1  ) PORT_IMPULSE(2)
	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_COIN2  ) PORT_IMPULSE(2)
	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_SERVICE  ) PORT_NAME( DEF_STR( Service_Mode )) PORT_CODE(KEYCODE_F2)
	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_TILT     )
	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_SERVICE1 )
	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED	)

	PORT_START	// IN3 - DSW provided by the MCU - $200386.b <- $400200
	PORT_DIPNAME( 0x0100, 0x0100, "Test Mode" )
	PORT_DIPSETTING(      0x0100, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Flip_Screen ) )
	PORT_DIPSETTING(      0x0200, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Unknown ) ) // ?
	PORT_DIPSETTING(      0x0400, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )	// unused
	PORT_DIPSETTING(      0x0800, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x1000, 0x1000, DEF_STR( Unknown ) )	// unused
	PORT_DIPSETTING(      0x1000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x2000, 0x2000, DEF_STR( Unknown ) )	// unused
	PORT_DIPSETTING(      0x2000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x4000, 0x4000, DEF_STR( Unknown ) )	// unused
	PORT_DIPSETTING(      0x4000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
	PORT_DIPNAME( 0x8000, 0x8000, DEF_STR( Unknown ) )	// unused ?
	PORT_DIPSETTING(      0x8000, DEF_STR( Off ) )
	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )

INPUT_PORTS_END


static WRITE16_HANDLER( galpani3_suprnova_sprite32_w )
{
	COMBINE_DATA(&galpani3_spriteram[offset]);

	/* put in buffered_spriteram32 for suprnova.c */
	offset>>=1;
	buffered_spriteram32[offset]=(galpani3_spriteram[offset*2+1]<<16) | (galpani3_spriteram[offset*2]);
}

static WRITE16_HANDLER( galpani3_suprnova_sprite32regs_w )
{
	COMBINE_DATA(&galpani3_sprregs[offset]);

	/* put in skns_spc_regs for suprnova.c */
	offset>>=1;
	skns_spc_regs[offset]=(galpani3_sprregs[offset*2+1]<<16) | (galpani3_sprregs[offset*2]);
}



/***************************************************************************

                            MCU Code Simulation
                (follows the implementation of kaneko16.c)

***************************************************************************/
static UINT16 *mcu_ram, galpani3_mcu_com[4];

static void galpani3_mcu_run(void)
{
	UINT16 mcu_command = mcu_ram[0x0010/2];		/* command nb */
	UINT16 mcu_offset  = mcu_ram[0x0012/2] / 2;	/* offset in shared RAM where MCU will write */
	UINT16 mcu_subcmd  = mcu_ram[0x0014/2];		/* sub-command parameter, happens only for command #4 */

	logerror("(PC=%06X): MCU executed command : %04X %04X\n",activecpu_get_pc(),mcu_command,mcu_offset*2);

	/* the only MCU commands found in program code are:
         0x04: protection: provide code/data, that's exactly where we are stuck !!!
         0x03: read DSW
         0x02: load NVRAM settings \ ATMEL AT93C46 chip,
         0x42: save NVRAM settings / 128 bytes serial EEPROM
    */
	switch (mcu_command >> 8)
	{
		case 0x03:	// DSW
		{
			mcu_ram[mcu_offset] = readinputport(3);
			logerror("PC=%06X : MCU executed command: %04X %04X (read DSW)\n",activecpu_get_pc(),mcu_command,mcu_offset*2);
		}
		break;

		case 0x02: // $38950 - load NVRAM settings
		{
			/* NOTE: code @ $38B46 & $38ab8 does exactly what is checked after MCU command
                     so that's what we'll mimic here... probably the initial NVRAM settings */
			int i;

			/* MCU writes 128 bytes to shared ram: last byte is the byte-sum */
			/* first 32 bytes (header): 0x8BE08E71.L, then the string "95/06/30 Gals Panic3Ver 0.95"; */
			mcu_ram[mcu_offset +  0] = 0x8BE0; mcu_ram[mcu_offset +  1] = 0x8E71;
			mcu_ram[mcu_offset +  2] = 0x3935; mcu_ram[mcu_offset +  3] = 0x2F30;
			mcu_ram[mcu_offset +  4] = 0x362F; mcu_ram[mcu_offset +  5] = 0x3330;
			mcu_ram[mcu_offset +  6] = 0x2047; mcu_ram[mcu_offset +  7] = 0x616C;
			mcu_ram[mcu_offset +  8] = 0x7320; mcu_ram[mcu_offset +  9] = 0x5061;
			mcu_ram[mcu_offset + 10] = 0x6E69; mcu_ram[mcu_offset + 11] = 0x6333;
			mcu_ram[mcu_offset + 12] = 0x5665; mcu_ram[mcu_offset + 13] = 0x7220;
			mcu_ram[mcu_offset + 14] = 0x302E; mcu_ram[mcu_offset + 15] = 0x3935;
			/* next 11 bytes - initial NVRAM settings */
			mcu_ram[mcu_offset + 16] = 0x0001; mcu_ram[mcu_offset + 17] = 0x0101;
			mcu_ram[mcu_offset + 18] = 0x0100; mcu_ram[mcu_offset + 19] = 0x0208;
			mcu_ram[mcu_offset + 20] = 0x02FF; mcu_ram[mcu_offset + 21] = 0x0000;
			/* rest is zeroes */
			for (i=22;i<63;i++)
				mcu_ram[mcu_offset + i] = 0;
			/* and sum is $0c.b */
			mcu_ram[mcu_offset + 63] = 0x000c;
		}
		break;

		case 0x04: // $38842 - provides code/data
		{
			switch(mcu_subcmd)
			{
				int i;
				case 0x00: /* $1a9c - provides code @ $40f000, length probably 0x1000 max (contains many code snippets, many 'jsr $40fxxx') */
					for (i=0;i<0x1000/2;i++)
						mcu_ram[mcu_offset+i] = 0x4e75; // fill 'code page' with RTS
					//mcu_ram[mcu_offset+0x0098/2] = 0x4e91; // wrong assumption: jsr (A1) :/
					break;

				case 0x01: /* $1aa8 - provides data @ $400400, length? */
					break;

				default: /* most likely never happen, unless it's done by code provided by MCU itself */
					logerror("- UNKNOWN PARAMETER %02X", mcu_subcmd);
					break;
			}
		}
		break;

		case 0x42: // $389ee - save NVRAM settings
		{
			// found, TODO: trace call in code !!!
		}
		break;

		default:
			logerror("UNKNOWN COMMAND\n");
	}
}

/*
  MCU doesn't execute exactly as it is coded right know (ala jchan):
   * com0=com1=0xFFFF -> command to execute
   * com2=com3=0xFFFF -> status reading only
*/
#define GALPANI3_MCU_COM_W(_n_) \
WRITE16_HANDLER( galpani3_mcu_com##_n_##_w ) \
{ \
	COMBINE_DATA(&galpani3_mcu_com[_n_]); \
	if (galpani3_mcu_com[0] != 0xFFFF)	return; \
	if (galpani3_mcu_com[1] != 0xFFFF)	return; \
	if (galpani3_mcu_com[2] != 0xFFFF)	return; \
	if (galpani3_mcu_com[3] != 0xFFFF)	return; \
\
	memset(galpani3_mcu_com, 0, 4 * sizeof( UINT16 ) ); \
	galpani3_mcu_run(); \
}

GALPANI3_MCU_COM_W(0)
GALPANI3_MCU_COM_W(1)
GALPANI3_MCU_COM_W(2)
GALPANI3_MCU_COM_W(3)

static READ16_HANDLER( galpani3_mcu_status_r )
{
	logerror("cpu #%d (PC=%06X): read mcu status\n", cpu_getactivecpu(), activecpu_get_previouspc());
	return 0;
}




static ADDRESS_MAP_START( galpani3_map, ADDRESS_SPACE_PROGRAM, 16 )
	AM_RANGE(0x000000, 0x0fffff) AM_ROM

	AM_RANGE(0x200000, 0x20ffff) AM_RAM // area [B] - Work RAM
	AM_RANGE(0x280000, 0x287fff) AM_RAM AM_WRITE(paletteram16_xGGGGGRRRRRBBBBB_word_w) AM_BASE(&paletteram16) // area [A] - palette for sprites

	AM_RANGE(0x300000, 0x303fff) AM_RAM AM_BASE(&galpani3_spriteram) AM_WRITE(galpani3_suprnova_sprite32_w)
	AM_RANGE(0x380000, 0x38003f) AM_RAM AM_BASE(&galpani3_sprregs) AM_WRITE(galpani3_suprnova_sprite32regs_w)

	AM_RANGE(0x400000, 0x40ffff) AM_RAM AM_BASE(&mcu_ram) // area [C]

	AM_RANGE(0x580000, 0x580001) AM_WRITE(galpani3_mcu_com0_w)	// ] see $387e8: these 2 locations are written (w.#$ffff)
	AM_RANGE(0x600000, 0x600001) AM_WRITE(galpani3_mcu_com1_w)	// ] then bit #0 of $780000.l is tested: 0 = OK!
	AM_RANGE(0x680000, 0x680001) AM_WRITE(galpani3_mcu_com2_w)	// ] see $387e8: these 2 locations are written (w.#$ffff)
	AM_RANGE(0x700000, 0x700001) AM_WRITE(galpani3_mcu_com3_w)	// ] then bit #0 of $780000.l is tested: 0 = OK!
	AM_RANGE(0x780000, 0x780001) AM_READ(galpani3_mcu_status_r)

	AM_RANGE(0x800c00, 0x800c1f) AM_RAM // ? R layer regs ? see subroutine $3a03e
	AM_RANGE(0xa00c00, 0xa00c1f) AM_RAM // ? G layer regs ? see subroutine $3a03e
	AM_RANGE(0xc00c00, 0xc00c1f) AM_RAM // ? B layer regs ? see subroutine $3a03e

	AM_RANGE(0x800000, 0x8003ff) AM_RAM // ??? see subroutine $39f42 (R?)
	AM_RANGE(0x800800, 0x800bff) AM_RAM // ??? see subroutine $39f42 (R?)
	AM_RANGE(0xa00000, 0xa003ff) AM_RAM // ??? see subroutine $39f42 (G?)
	AM_RANGE(0xa00800, 0xa00bff) AM_RAM // ??? see subroutine $39f42 (G?)
	AM_RANGE(0xc00000, 0xc003ff) AM_RAM // ??? see subroutine $39f42 (B?)
	AM_RANGE(0xc00800, 0xc00bff) AM_RAM // ??? see subroutine $39f42 (B?)

	AM_RANGE(0x900000, 0x97ffff) AM_RAM // area [D] - R area ? odd bytes only, initialized 00..ff,00..ff,...
	AM_RANGE(0xb00000, 0xb7ffff) AM_RAM // area [E] - G area ? odd bytes only, initialized 00..ff,00..ff,...
	AM_RANGE(0xd00000, 0xd7ffff) AM_RAM // area [F] - B area ? odd bytes only, initialized 00..ff,00..ff,...
	AM_RANGE(0xe00000, 0xe7ffff) AM_RAM // area [J] - A area ? odd bytes only, initialized 00..ff,00..ff,..., then cleared

	AM_RANGE(0x880000, 0x8801ff) AM_RAM // area [G] - R area ? linescroll ?
	AM_RANGE(0xa80000, 0xa801ff) AM_RAM // area [H] - G area ? linescroll ?
	AM_RANGE(0xc80000, 0xc801ff) AM_RAM // area [I] - B area ? linescroll ?

	AM_RANGE(0xf00000, 0xf00001) AM_NOP // ? written once (2nd opcode, $1.b)
	AM_RANGE(0xf00050, 0xf00051) AM_NOP // ? written once (3rd opcode, $30.b)

	AM_RANGE(0xf00010, 0xf00011) AM_READ(input_port_0_word_r)
	AM_RANGE(0xf00012, 0xf00013) AM_READ(input_port_1_word_r)
	AM_RANGE(0xf00014, 0xf00015) AM_READ(input_port_2_word_r)
	AM_RANGE(0xf00016, 0xf00017) AM_NOP // ? read, but overwritten

	AM_RANGE(0xf00020, 0xf00021) AM_WRITE(YMZ280B_register_0_lsb_w)	// sound
	AM_RANGE(0xf00022, 0xf00023) AM_WRITE(YMZ280B_data_0_lsb_w)		//
	AM_RANGE(0xf00040, 0xf00041) AM_READWRITE(watchdog_reset16_r, watchdog_reset16_w)	// watchdog
ADDRESS_MAP_END


static struct YMZ280Binterface ymz280b_intf =
{
	REGION_SOUND1,
	0	// irq ?
};

static MACHINE_DRIVER_START( galpani3 )
	MDRV_CPU_ADD_TAG("main", M68000, 16000000)	 // ? (from which clock?)
	MDRV_CPU_PROGRAM_MAP(galpani3_map,0)
	MDRV_CPU_VBLANK_INT(galpani3_vblank, 3)

	MDRV_SCREEN_REFRESH_RATE(60)
	MDRV_SCREEN_VBLANK_TIME(DEFAULT_60HZ_VBLANK_DURATION)

	MDRV_VIDEO_ATTRIBUTES(VIDEO_TYPE_RASTER)
	MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
	MDRV_SCREEN_SIZE(64*8, 64*8)
	MDRV_SCREEN_VISIBLE_AREA(0*8, 40*8-1, 0*8, 30*8-1)
	MDRV_PALETTE_LENGTH(0x4000)

	MDRV_VIDEO_START(galpani3)
	MDRV_VIDEO_UPDATE(galpani3)

	/* sound hardware */
	MDRV_SPEAKER_STANDARD_MONO("mono")

	MDRV_SOUND_ADD(YMZ280B, 28636400 / 2)
	MDRV_SOUND_CONFIG(ymz280b_intf)
	MDRV_SOUND_ROUTE(0, "mono", 1.0)
	MDRV_SOUND_ROUTE(1, "mono", 1.0)
MACHINE_DRIVER_END


ROM_START( galpani3 )
	ROM_REGION( 0x100000, REGION_CPU1, 0 ) /* 68000 Code */
	ROM_LOAD16_BYTE( "g3p0j1.71",  0x000000, 0x080000, CRC(52893326) SHA1(78fdbf3436a4ba754d7608fedbbede5c719a4505) )
	ROM_LOAD16_BYTE( "g3p1j1.102", 0x000001, 0x080000, CRC(05f935b4) SHA1(81e78875585bcdadad1c302614b2708e60563662) )

	ROM_REGION( 0x200000, REGION_GFX1, 0 ) /* Sprites - RLE encoded */
	ROM_LOAD( "gp320000.1", 0x000000, 0x200000, CRC(a0112827) SHA1(0a6c78d71b75a1d78215aab3104176aa1769b14f) )

	ROM_REGION( 0xa00000, REGION_GFX2, 0 ) /* Backgrounds - RLE encoded */
	ROM_LOAD( "gp340000.123", 0x000000, 0x200000, CRC(a58a26b1) SHA1(832d70cce1b4f04fa50fc221962ff6cc4287cb92) )		// 19950414GROMACap
	ROM_LOAD( "gp340100.122", 0x200000, 0x200000, CRC(746fe4a8) SHA1(a5126ae9e83d556277d31b166296a708c311a902) )		// 19950414GROMBCap
	ROM_LOAD( "gp340200.121", 0x400000, 0x200000, CRC(e9bc15c8) SHA1(2c6a10e768709d1937d9206970553f4101ce9016) )		// 19950414GROMCCap
	ROM_LOAD( "gp340300.120", 0x600000, 0x200000, CRC(59062eef) SHA1(936977c20d83540c1e0f65d429c7ebea201ef991) )		// 19950414GROMDCap
	ROM_LOAD16_BYTE( "g3g0j0.101", 0x800000, 0x040000, CRC(fbb1e0dc) SHA1(14f6377afd93054aa5dc38af235ae12b932e847f) )	// 19950523GROMECap
	ROM_LOAD16_BYTE( "g3g1j0.100", 0x800001, 0x040000, CRC(18edb5f0) SHA1(5e2ed0105b3e6037f6116494d3b186a368824171) )	//

	ROM_REGION( 0x300000, REGION_SOUND1, 0 ) /* Samples */
	ROM_LOAD( "gp310100.40", 0x000000, 0x200000, CRC(6a0b1d12) SHA1(11fed80b96d07fddb27599743991c58c12c048e0) )
	ROM_LOAD( "gp310000.41", 0x200000, 0x100000, CRC(641062ef) SHA1(c8902fc46319eac94b3f95d18afa24bd895078d6) )

	ROM_REGION( 0x20000, REGION_USER1, 0 ) /* MCU Code? */
	ROM_LOAD( "g3d0x0.134", 0x000000, 0x020000, CRC(4ace10f9) SHA1(d19e4540d535ce10d23cb0844be03a3239b3402e) )
ROM_END


static DRIVER_INIT( galpani3 )
{
	UINT16 *patchrom = (UINT16 *)memory_region(REGION_CPU1);

	// weird checks of supposed tilemap registers
	patchrom[0x3a0c6/2] = 0x4e71;
	patchrom[0x3a0d6/2] = 0x4e71;
	patchrom[0x3a0e0/2] = 0x4e71;

	memset(galpani3_mcu_com, 0, 4 * sizeof( UINT16) );
}

GAME( 1995, galpani3, 0, galpani3, galpani3, galpani3, ROT90, "Kaneko", "Gals Panic 3", GAME_NOT_WORKING )