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junofrst.c
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C/C++ Source or Header
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2000-05-04
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15KB
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486 lines
/***************************************************************************
Juno First : memory map same as tutankham with some address changes
Chris Hardy (chrish@kcbbs.gen.nz)
Thanks to Rob Jarret for the original Tutankham memory map on which both the
Juno First emu and the mame driver is based on.
Juno First memory map by Chris Hardy
Read/Write memory
$0000-$7FFF = Screen RAM (only written to)
$8000-$800f = Palette RAM. BBGGGRRR (D7->D0)
$8100-$8FFF = Work RAM
Write memory
$8030 - interrupt control register D0 = interupts on or off
$8031 - unknown
$8032 - unknown
$8033 - unknown
$8034 - flip screen x
$8035 - flip screen y
$8040 - Sound CPU req/ack data
$8050 - Sound CPU command data
$8060 - Banked memory page select.
$8070/1 - Blitter source data word
$8072/3 - Blitter destination word. Write to $8073 triggers a blit
Read memory
$8010 - Dipswitch 2
$801c - Watchdog
$8020 - Start/Credit IO
D2 = Credit 1
D3 = Start 1
D4 = Start 2
$8024 - P1 IO
D0 = left
D1 = right
D2 = up
D3 = down
D4 = fire 2
D5 = fire 1
$8028 - P2 IO - same as P1 IO
$802c - Dipswitch 1
$9000->$9FFF Banked Memory - see below
$A000->$BFFF "juno\\JFA_B9.BIN",
$C000->$DFFF "juno\\JFB_B10.BIN",
$E000->$FFFF "juno\\JFC_A10.BIN",
Banked memory - Paged into $9000->$9FFF..
NOTE - In Tutankhm this only contains graphics, in Juno First it also contains code. (which
generally sets up the blitter)
"juno\\JFC1_A4.BIN", $0000->$1FFF
"juno\\JFC2_A5.BIN", $2000->$3FFF
"juno\\JFC3_A6.BIN", $4000->$5FFF
"juno\\JFC4_A7.BIN", $6000->$7FFF
"juno\\JFC5_A8.BIN", $8000->$9FFF
"juno\\JFC6_A9.BIN", $A000->$bFFF
Blitter source graphics
"juno\\JFS3_C7.BIN", $C000->$DFFF
"juno\\JFS4_D7.BIN", $E000->$FFFF
"juno\\JFS5_E7.BIN", $10000->$11FFF
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "cpu/m6809/m6809.h"
#include "cpu/i8039/i8039.h"
#include "cpu/z80/z80.h"
void konami1_decode(void);
extern unsigned char *tutankhm_scrollx;
WRITE_HANDLER( tutankhm_videoram_w );
WRITE_HANDLER( tutankhm_flipscreen_w );
WRITE_HANDLER( junofrst_blitter_w );
void tutankhm_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
WRITE_HANDLER( tutankhm_sh_irqtrigger_w );
WRITE_HANDLER( junofrst_bankselect_w )
{
int bankaddress;
unsigned char *RAM = memory_region(REGION_CPU1);
bankaddress = 0x10000 + (data & 0x0f) * 0x1000;
cpu_setbank(1,&RAM[bankaddress]);
}
static int i8039_irqenable;
static int i8039_status;
static READ_HANDLER( junofrst_portA_r )
{
int timer;
/* main xtal 14.318MHz, divided by 8 to get the CPU clock, further */
/* divided by 1024 to get this timer */
/* (divide by (1024/2), and not 1024, because the CPU cycle counter is */
/* incremented every other state change of the clock) */
timer = (cpu_gettotalcycles() / (1024/2)) & 0x0f;
/* low three bits come from the 8039 */
return (timer << 4) | i8039_status;
}
static WRITE_HANDLER( junofrst_portB_w )
{
int i;
for (i = 0;i < 3;i++)
{
int C;
C = 0;
if (data & 1) C += 47000; /* 47000pF = 0.047uF */
if (data & 2) C += 220000; /* 220000pF = 0.22uF */
data >>= 2;
set_RC_filter(i,1000,2200,200,C);
}
}
WRITE_HANDLER( junofrst_sh_irqtrigger_w )
{
static int last;
if (last == 0 && data == 1)
{
/* setting bit 0 low then high triggers IRQ on the sound CPU */
cpu_cause_interrupt(1,0xff);
}
last = data;
}
WRITE_HANDLER( junofrst_i8039_irq_w )
{
if (i8039_irqenable)
cpu_cause_interrupt(2,I8039_EXT_INT);
}
static WRITE_HANDLER( i8039_irqen_and_status_w )
{
i8039_irqenable = data & 0x80;
i8039_status = (data & 0x70) >> 4;
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x7fff, MRA_RAM },
{ 0x8010, 0x8010, input_port_0_r }, /* DSW2 (inverted bits) */
{ 0x801c, 0x801c, watchdog_reset_r },
{ 0x8020, 0x8020, input_port_1_r }, /* IN0 I/O: Coin slots, service, 1P/2P buttons */
{ 0x8024, 0x8024, input_port_2_r }, /* IN1: Player 1 I/O */
{ 0x8028, 0x8028, input_port_3_r }, /* IN2: Player 2 I/O */
{ 0x802c, 0x802c, input_port_4_r }, /* DSW1 (inverted bits) */
{ 0x8100, 0x8fff, MRA_RAM },
{ 0x9000, 0x9fff, MRA_BANK1 },
{ 0xa000, 0xffff, MRA_ROM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x7fff, tutankhm_videoram_w, &videoram, &videoram_size },
{ 0x8000, 0x800f, paletteram_BBGGGRRR_w, &paletteram },
{ 0x8030, 0x8030, interrupt_enable_w },
{ 0x8031, 0x8032, coin_counter_w },
{ 0x8033, 0x8033, MWA_RAM, &tutankhm_scrollx }, /* video x pan hardware reg - Not USED in Juno*/
{ 0x8034, 0x8035, tutankhm_flipscreen_w },
{ 0x8040, 0x8040, junofrst_sh_irqtrigger_w },
{ 0x8050, 0x8050, soundlatch_w },
{ 0x8060, 0x8060, junofrst_bankselect_w },
{ 0x8070, 0x8073, junofrst_blitter_w },
{ 0x8100, 0x8fff, MWA_RAM },
{ 0x9000, 0xffff, MWA_ROM },
{ -1 } /* end of table */
};
static struct MemoryReadAddress sound_readmem[] =
{
{ 0x0000, 0x0fff, MRA_ROM },
{ 0x2000, 0x23ff, MRA_RAM },
{ 0x3000, 0x3000, soundlatch_r },
{ 0x4001, 0x4001, AY8910_read_port_0_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress sound_writemem[] =
{
{ 0x0000, 0x0fff, MWA_ROM },
{ 0x2000, 0x23ff, MWA_RAM },
{ 0x4000, 0x4000, AY8910_control_port_0_w },
{ 0x4002, 0x4002, AY8910_write_port_0_w },
{ 0x5000, 0x5000, soundlatch2_w },
{ 0x6000, 0x6000, junofrst_i8039_irq_w },
{ -1 } /* end of table */
};
static struct MemoryReadAddress i8039_readmem[] =
{
{ 0x0000, 0x0fff, MRA_ROM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress i8039_writemem[] =
{
{ 0x0000, 0x0fff, MWA_ROM },
{ -1 } /* end of table */
};
static struct IOReadPort i8039_readport[] =
{
{ 0x00, 0xff, soundlatch2_r },
{ 0x111,0x111, IORP_NOP },
{ -1 }
};
static struct IOWritePort i8039_writeport[] =
{
{ I8039_p1, I8039_p1, DAC_0_data_w },
{ I8039_p2, I8039_p2, i8039_irqen_and_status_w },
{ -1 } /* end of table */
};
INPUT_PORTS_START( junofrst )
PORT_START /* DSW2 */
PORT_DIPNAME( 0x03, 0x03, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x03, "3" )
PORT_DIPSETTING( 0x02, "4" )
PORT_DIPSETTING( 0x01, "5" )
PORT_BITX( 0, 0x00, IPT_DIPSWITCH_SETTING | IPF_CHEAT, "256", IP_KEY_NONE, IP_JOY_NONE )
PORT_DIPNAME( 0x04, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x04, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x70, 0x70, DEF_STR( Difficulty ) )
PORT_DIPSETTING( 0x70, "1 (Easiest)" )
PORT_DIPSETTING( 0x60, "2" )
PORT_DIPSETTING( 0x50, "3" )
PORT_DIPSETTING( 0x40, "4" )
PORT_DIPSETTING( 0x30, "5" )
PORT_DIPSETTING( 0x20, "6" )
PORT_DIPSETTING( 0x10, "7" )
PORT_DIPSETTING( 0x00, "8 (Hardest)" )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Demo_Sounds ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* IN2 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_COCKTAIL )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x0f, 0x0f, DEF_STR( Coin_A ) )
PORT_DIPSETTING( 0x02, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x01, DEF_STR( 4C_3C ) )
PORT_DIPSETTING( 0x0f, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x03, DEF_STR( 3C_4C ) )
PORT_DIPSETTING( 0x07, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0x0e, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 2C_5C ) )
PORT_DIPSETTING( 0x0d, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x0b, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x09, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x00, DEF_STR( Free_Play ) )
PORT_DIPNAME( 0xf0, 0xf0, DEF_STR( Coin_B ) )
PORT_DIPSETTING( 0x20, DEF_STR( 4C_1C ) )
PORT_DIPSETTING( 0x50, DEF_STR( 3C_1C ) )
PORT_DIPSETTING( 0x80, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x40, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 4C_3C ) )
PORT_DIPSETTING( 0xf0, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x30, DEF_STR( 3C_4C ) )
PORT_DIPSETTING( 0x70, DEF_STR( 2C_3C ) )
PORT_DIPSETTING( 0xe0, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x60, DEF_STR( 2C_5C ) )
PORT_DIPSETTING( 0xd0, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0xc0, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0xb0, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0xa0, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x90, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x00, "Disabled" )
/* 0x00 not remmed out since the game makes the usual sound if you insert the coin */
INPUT_PORTS_END
static struct AY8910interface ay8910_interface =
{
1, /* 1 chip */
14318000/8, /* 1.78975 MHz */
{ 30 },
{ junofrst_portA_r },
{ 0 },
{ 0 },
{ junofrst_portB_w }
};
static struct DACinterface dac_interface =
{
1,
{ 50 }
};
static struct MachineDriver machine_driver_junofrst =
{
/* basic machine hardware */
{
{
CPU_M6809,
1500000, /* 1.5 Mhz ??? */
readmem,writemem,0,0,
interrupt,1
},
{
CPU_Z80 | CPU_AUDIO_CPU,
14318000/8, /* 1.78975 MHz */
sound_readmem,sound_writemem,0,0,
ignore_interrupt,1 /* interrupts are triggered by the main CPU */
},
{
CPU_I8039 | CPU_AUDIO_CPU,
8000000/15, /* 8MHz crystal */
i8039_readmem,i8039_writemem,i8039_readport,i8039_writeport,
ignore_interrupt,1
}
},
30, DEFAULT_30HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* 1 CPU slice per frame - interleaving is forced when a sound command is written */
0, /* init machine routine */
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 }, /* not sure about the visible area */
0, /* GfxDecodeInfo * */
16, /* total colors */
0, /* color table length */
0, /* convert color prom routine */
VIDEO_TYPE_RASTER|VIDEO_MODIFIES_PALETTE,
0, /* vh_init routine */
generic_vh_start, /* vh_start routine */
generic_vh_stop, /* vh_stop routine */
tutankhm_vh_screenrefresh, /* vh_update routine */
/* sound hardware */
0,0,0,0,
{
{
SOUND_AY8910,
&ay8910_interface
},
{
SOUND_DAC,
&dac_interface
}
}
};
ROM_START( junofrst )
ROM_REGION( 2*0x1c000, REGION_CPU1 ) /* code + space for decrypted opcodes */
ROM_LOAD( "jfa_b9.bin", 0x0a000, 0x2000, 0xf5a7ab9d ) /* program ROMs */
ROM_LOAD( "jfb_b10.bin", 0x0c000, 0x2000, 0xf20626e0 )
ROM_LOAD( "jfc_a10.bin", 0x0e000, 0x2000, 0x1e7744a7 )
ROM_LOAD( "jfc1_a4.bin", 0x10000, 0x2000, 0x03ccbf1d ) /* graphic and code ROMs (banked) */
ROM_LOAD( "jfc2_a5.bin", 0x12000, 0x2000, 0xcb372372 )
ROM_LOAD( "jfc3_a6.bin", 0x14000, 0x2000, 0x879d194b )
ROM_LOAD( "jfc4_a7.bin", 0x16000, 0x2000, 0xf28af80b )
ROM_LOAD( "jfc5_a8.bin", 0x18000, 0x2000, 0x0539f328 )
ROM_LOAD( "jfc6_a9.bin", 0x1a000, 0x2000, 0x1da2ad6e )
ROM_REGION( 0x10000 , REGION_CPU2 ) /* 64k for Z80 sound CPU code */
ROM_LOAD( "jfs1_j3.bin", 0x0000, 0x1000, 0x235a2893 )
ROM_REGION( 0x1000, REGION_CPU3 ) /* 8039 */
ROM_LOAD( "jfs2_p4.bin", 0x0000, 0x1000, 0xd0fa5d5f )
ROM_REGION( 0x6000, REGION_GFX1 ) /* BLTROM, used at runtime */
ROM_LOAD( "jfs3_c7.bin", 0x00000, 0x2000, 0xaeacf6db )
ROM_LOAD( "jfs4_d7.bin", 0x02000, 0x2000, 0x206d954c )
ROM_LOAD( "jfs5_e7.bin", 0x04000, 0x2000, 0x1eb87a6e )
ROM_END
ROM_START( junofstg )
ROM_REGION( 2*0x1c000, REGION_CPU1 ) /* code + space for decrypted opcodes */
ROM_LOAD( "jfg_a.9b", 0x0a000, 0x2000, 0x8f77d1c5 ) /* program ROMs */
ROM_LOAD( "jfg_b.10b", 0x0c000, 0x2000, 0xcd645673 )
ROM_LOAD( "jfg_c.10a", 0x0e000, 0x2000, 0x47852761 )
ROM_LOAD( "jfgc1.4a", 0x10000, 0x2000, 0x90a05ae6 ) /* graphic and code ROMs (banked) */
ROM_LOAD( "jfc2_a5.bin", 0x12000, 0x2000, 0xcb372372 )
ROM_LOAD( "jfc3_a6.bin", 0x14000, 0x2000, 0x879d194b )
ROM_LOAD( "jfgc4.7a", 0x16000, 0x2000, 0xe8864a43 )
ROM_LOAD( "jfc5_a8.bin", 0x18000, 0x2000, 0x0539f328 )
ROM_LOAD( "jfc6_a9.bin", 0x1a000, 0x2000, 0x1da2ad6e )
ROM_REGION( 0x10000 , REGION_CPU2 ) /* 64k for Z80 sound CPU code */
ROM_LOAD( "jfs1_j3.bin", 0x0000, 0x1000, 0x235a2893 )
ROM_REGION( 0x1000, REGION_CPU3 ) /* 8039 */
ROM_LOAD( "jfs2_p4.bin", 0x0000, 0x1000, 0xd0fa5d5f )
ROM_REGION( 0x6000, REGION_GFX1 ) /* BLTROM, used at runtime */
ROM_LOAD( "jfs3_c7.bin", 0x00000, 0x2000, 0xaeacf6db )
ROM_LOAD( "jfs4_d7.bin", 0x02000, 0x2000, 0x206d954c )
ROM_LOAD( "jfs5_e7.bin", 0x04000, 0x2000, 0x1eb87a6e )
ROM_END
static void init_junofrst(void)
{
konami1_decode();
}
GAME( 1983, junofrst, 0, junofrst, junofrst, junofrst, ROT90, "Konami", "Juno First" )
GAME( 1983, junofstg, junofrst, junofrst, junofrst, junofrst, ROT90, "Konami (Gottlieb license)", "Juno First (Gottlieb)" )