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munchmo.c
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C/C++ Source or Header
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2000-05-25
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13KB
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402 lines
/***************************************************************************
Munch Mobile
(C) 1982 SNK
2 Z80s
2 AY-8910s
15 MHz crystal
Known Issues:
- sprite priority problems
- it's unclear if mirroring the videoram chunks is correct behavior
- several unmapped registers
- sustained sounds (when there should be silence)
***************************************************************************/
#include "driver.h"
#include "cpu/z80/z80.h"
#include "vidhrdw/generic.h"
extern UINT8 *mnchmobl_vreg;
extern UINT8 *mnchmobl_status_vram;
extern UINT8 *mnchmobl_sprite_xpos;
extern UINT8 *mnchmobl_sprite_attr;
extern UINT8 *mnchmobl_sprite_tile;
void mnchmobl_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
int mnchmobl_vh_start( void );
void mnchmobl_vh_stop( void );
WRITE_HANDLER( mnchmobl_palette_bank_w );
WRITE_HANDLER( mnchmobl_flipscreen_w );
READ_HANDLER( mnchmobl_sprite_xpos_r );
WRITE_HANDLER( mnchmobl_sprite_xpos_w );
READ_HANDLER( mnchmobl_sprite_attr_r );
WRITE_HANDLER( mnchmobl_sprite_attr_w );
READ_HANDLER( mnchmobl_sprite_tile_r );
WRITE_HANDLER( mnchmobl_sprite_tile_w );
READ_HANDLER( mnchmobl_videoram_r );
WRITE_HANDLER( mnchmobl_videoram_w );
void mnchmobl_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
/***************************************************************************/
static int mnchmobl_nmi_enable = 0;
static WRITE_HANDLER( mnchmobl_nmi_enable_w )
{
mnchmobl_nmi_enable = data;
}
static int mnchmobl_interrupt( void )
{
static int which;
which = !which;
if( which ) return interrupt();
if( mnchmobl_nmi_enable ) return nmi_interrupt();
return ignore_interrupt();
}
WRITE_HANDLER( mnchmobl_soundlatch_w )
{
soundlatch_w( offset, data );
cpu_cause_interrupt( 1, Z80_IRQ_INT );
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x3fff, MRA_ROM },
{ 0x8000, 0x83ff, MRA_RAM }, /* working RAM */
{ 0xa000, 0xa3ff, MRA_RAM },
{ 0xa400, 0xa7ff, mnchmobl_sprite_xpos_r }, /* mirrored */
{ 0xa800, 0xabff, MRA_RAM },
{ 0xac00, 0xafff, mnchmobl_sprite_tile_r }, /* mirrored */
{ 0xb000, 0xb3ff, MRA_RAM },
{ 0xb400, 0xb7ff, mnchmobl_sprite_attr_r }, /* mirrored */
{ 0xb800, 0xb8ff, MRA_RAM },
{ 0xb900, 0xb9ff, mnchmobl_videoram_r }, /* mirrored */
{ 0xbe02, 0xbe02, input_port_3_r }, /* DSW1 */
{ 0xbe03, 0xbe03, input_port_4_r }, /* DSW2 */
{ 0xbf01, 0xbf01, input_port_0_r }, /* coin, start */
{ 0xbf02, 0xbf02, input_port_1_r }, /* P1 controls */
{ 0xbf03, 0xbf03, input_port_2_r }, /* P2 controls */
{ -1 }
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x3fff, MWA_ROM },
{ 0x8000, 0x83ff, MWA_RAM }, /* working RAM */
{ 0xa000, 0xa3ff, MWA_RAM, &mnchmobl_sprite_xpos },
{ 0xa400, 0xa7ff, mnchmobl_sprite_xpos_w },
{ 0xa800, 0xabff, MWA_RAM, &mnchmobl_sprite_tile },
{ 0xac00, 0xafff, mnchmobl_sprite_tile_w },
{ 0xb000, 0xb3ff, MWA_RAM, &mnchmobl_sprite_attr },
{ 0xb400, 0xb7ff, mnchmobl_sprite_attr_w },
{ 0xb800, 0xb9ff, mnchmobl_videoram_w, &videoram },
{ 0xba00, 0xbbff, MWA_RAM },
{ 0xbc00, 0xbc7f, MWA_RAM, &mnchmobl_status_vram },
{ 0xbe00, 0xbe00, mnchmobl_soundlatch_w },
{ 0xbe01, 0xbe01, mnchmobl_palette_bank_w },
{ 0xbe11, 0xbe11, MWA_RAM }, /* ? */
{ 0xbe21, 0xbe21, MWA_RAM }, /* ? */
{ 0xbe31, 0xbe31, MWA_RAM }, /* ? */
{ 0xbe41, 0xbe41, mnchmobl_flipscreen_w },
{ 0xbe61, 0xbe61, mnchmobl_nmi_enable_w }, /* ENI 1-10C */
{ 0xbf00, 0xbf07, MWA_RAM, &mnchmobl_vreg }, /* MY0 1-8C */
{ -1 }
};
static struct MemoryReadAddress readmem_sound[] =
{
{ 0x0000, 0x1fff, MRA_ROM },
{ 0x2000, 0x2000, soundlatch_r },
{ 0xe000, 0xe7ff, MRA_RAM },
{ -1 }
};
static struct MemoryWriteAddress writemem_sound[] =
{
{ 0x0000, 0x1fff, MWA_ROM },
{ 0x4000, 0x4000, AY8910_write_port_0_w },
{ 0x5000, 0x5000, AY8910_control_port_0_w },
{ 0x6000, 0x6000, AY8910_write_port_1_w },
{ 0x7000, 0x7000, AY8910_control_port_1_w },
{ 0x8000, 0x8000, MWA_NOP }, /* ? */
{ 0xa000, 0xa000, MWA_NOP }, /* ? */
{ 0xc000, 0xc000, MWA_NOP }, /* ? */
{ 0xe000, 0xe7ff, MWA_RAM },
{ -1 }
};
static struct AY8910interface ay8910_interface =
{
2, /* 2 chips */
1500000, /* 1.5 MHz? */
{ 50, 50 },
{ 0 },
{ 0 },
{ 0 },
{ 0 }
};
INPUT_PORTS_START( mnchmobl )
PORT_START
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN2 ) /* service */
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 /* P1 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN | IPF_8WAY )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT | IPF_8WAY )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT | IPF_8WAY )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_LEFT | IPF_2WAY )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_RIGHT | IPF_2WAY )
PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START /* P2 controls */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICKLEFT_RIGHT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_LEFT | IPF_2WAY | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICKRIGHT_RIGHT | IPF_2WAY | IPF_COCKTAIL )
PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START /* DSW1 0xbe02 */
PORT_DIPNAME( 0x01, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x01, DEF_STR( On ) )
PORT_DIPNAME( 0x1e, 0x00, DEF_STR( Coinage ) )
PORT_DIPSETTING( 0x14, DEF_STR( 3C_1C ) )
// PORT_DIPSETTING( 0x12, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x10, DEF_STR( 2C_1C ) )
PORT_DIPSETTING( 0x16, DEF_STR( 3C_2C ) )
PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) )
// PORT_DIPSETTING( 0x1e, DEF_STR( 1C_1C ) )
// PORT_DIPSETTING( 0x1c, DEF_STR( 1C_1C ) )
// PORT_DIPSETTING( 0x1a, DEF_STR( 1C_1C ) )
// PORT_DIPSETTING( 0x18, DEF_STR( 1C_1C ) )
PORT_DIPSETTING( 0x02, DEF_STR( 1C_2C ) )
PORT_DIPSETTING( 0x04, DEF_STR( 1C_3C ) )
PORT_DIPSETTING( 0x06, DEF_STR( 1C_4C ) )
PORT_DIPSETTING( 0x08, DEF_STR( 1C_5C ) )
PORT_DIPSETTING( 0x0a, DEF_STR( 1C_6C ) )
PORT_DIPSETTING( 0x0c, DEF_STR( 1C_7C ) )
PORT_DIPSETTING( 0x0e, DEF_STR( 1C_8C ) )
PORT_DIPNAME( 0xe0, 0x00, DEF_STR( Bonus_Life ) )
PORT_DIPSETTING( 0x00, "No Bonus" )
PORT_DIPSETTING( 0x20, "70000" )
PORT_DIPSETTING( 0x40, "60000" )
PORT_DIPSETTING( 0x60, "50000" )
PORT_DIPSETTING( 0x80, "40000" )
PORT_DIPSETTING( 0xa0, "30000" )
PORT_DIPSETTING( 0xc0, "20000" )
PORT_DIPSETTING( 0xe0, "10000" )
PORT_START /* DSW2 0xbe03 */
PORT_DIPNAME( 0x03, 0x00, "Second Bonus Life" )
PORT_DIPSETTING( 0x00, "No Bonus?" )
PORT_DIPSETTING( 0x01, "100000?" )
PORT_DIPSETTING( 0x02, "40000?" )
PORT_DIPSETTING( 0x03, "30000?" )
PORT_DIPNAME( 0x0c, 0x0c, DEF_STR( Lives ) )
PORT_DIPSETTING( 0x00, "1" )
PORT_DIPSETTING( 0x04, "2" )
PORT_DIPSETTING( 0x08, "3" )
PORT_DIPSETTING( 0x0c, "5" )
PORT_DIPNAME( 0x10, 0x00, "Freeze" )
PORT_DIPSETTING( 0x00, DEF_STR( No ) )
PORT_DIPSETTING( 0x10, DEF_STR( Yes ) )
PORT_DIPNAME( 0x20, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x20, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) )
PORT_DIPSETTING( 0x00, DEF_STR( Upright ) )
PORT_DIPSETTING( 0x40, DEF_STR( Cocktail ) )
PORT_DIPNAME( 0x80, 0x00, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x00, DEF_STR( Off ) )
PORT_DIPSETTING( 0x80, DEF_STR( On ) )
INPUT_PORTS_END
static struct GfxLayout char_layout =
{
8,8,
256,
4,
{ 0, 8, 256*128,256*128+8 },
{ 7,6,5,4,3,2,1,0 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
128
};
static struct GfxLayout tile_layout =
{
8,8,
0x100,
4,
{ 8,12,0,4 },
{ 0,0,1,1,2,2,3,3 },
{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
128
};
static struct GfxLayout sprite_layout1 =
{
32,32,
128,
3,
{ 0x4000*8,0x2000*8,0 },
{
7,7,6,6,5,5,4,4,3,3,2,2,1,1,0,0,
0x8000+7,0x8000+7,0x8000+6,0x8000+6,0x8000+5,0x8000+5,0x8000+4,0x8000+4,
0x8000+3,0x8000+3,0x8000+2,0x8000+2,0x8000+1,0x8000+1,0x8000+0,0x8000+0
},
{
0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
8*8, 9*8,10*8,11*8,12*8,13*8,14*8,15*8,
16*8,17*8,18*8,19*8,20*8,21*8,22*8,23*8,
24*8,25*8,26*8,27*8,28*8,29*8,30*8,31*8
},
256
};
static struct GfxLayout sprite_layout2 =
{
32,32,
128,
3,
{ 0,0,0 },
{
7,7,6,6,5,5,4,4,3,3,2,2,1,1,0,0,
0x8000+7,0x8000+7,0x8000+6,0x8000+6,0x8000+5,0x8000+5,0x8000+4,0x8000+4,
0x8000+3,0x8000+3,0x8000+2,0x8000+2,0x8000+1,0x8000+1,0x8000+0,0x8000+0
},
{
0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
8*8, 9*8,10*8,11*8,12*8,13*8,14*8,15*8,
16*8,17*8,18*8,19*8,20*8,21*8,22*8,23*8,
24*8,25*8,26*8,27*8,28*8,29*8,30*8,31*8
},
256
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ REGION_GFX1, 0, &char_layout, 0, 4 }, /* colors 0- 63 */
{ REGION_GFX2, 0x1000, &tile_layout, 64, 4 }, /* colors 64-127 */
{ REGION_GFX3, 0, &sprite_layout1, 128, 16 }, /* colors 128-255 */
{ REGION_GFX4, 0, &sprite_layout2, 128, 16 }, /* colors 128-255 */
{ -1 }
};
static struct MachineDriver machine_driver_munchmo =
{
{
{
CPU_Z80,
3750000, /* ? */
readmem,writemem,0,0,
mnchmobl_interrupt,2
},
{
CPU_Z80 | CPU_AUDIO_CPU,
3750000, /* ? */
readmem_sound,writemem_sound,0,0,
nmi_interrupt,1
}
},
57, DEFAULT_REAL_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1,
0,
/* video hardware */
256+32+32, 256, { 0, 255+32+32,0, 255-16 },
gfxdecodeinfo,
256,256,
mnchmobl_convert_color_prom,
VIDEO_TYPE_RASTER,
0,
mnchmobl_vh_start,
mnchmobl_vh_stop,
mnchmobl_vh_screenrefresh,
/* sound hardware */
0,0,0,0,
{
{
SOUND_AY8910,
&ay8910_interface
}
}
};
ROM_START( joyfulr )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for CPUA */
ROM_LOAD( "m1j.10e", 0x0000, 0x2000, 0x1fe86e25 )
ROM_LOAD( "m2j.10d", 0x2000, 0x2000, 0xb144b9a6 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for sound CPU */
ROM_LOAD( "mu.2j", 0x0000, 0x2000, 0x420adbd4 )
ROM_REGION( 0x2000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "s1.10a", 0x0000, 0x1000, 0xc0bcc301 ) /* characters */
ROM_LOAD( "s2.10b", 0x1000, 0x1000, 0x96aa11ca )
ROM_REGION( 0x2000, REGION_GFX2 )
ROM_LOAD( "b1.2c", 0x0000, 0x1000, 0x8ce3a403 ) /* tile layout */
ROM_LOAD( "b2.2b", 0x1000, 0x1000, 0x0df28913 ) /* 4x8 tiles */
ROM_REGION( 0x6000, REGION_GFX3 | REGIONFLAG_DISPOSE )
ROM_LOAD( "f1j.1g", 0x0000, 0x2000, 0x93c3c17e ) /* sprites */
ROM_LOAD( "f2j.3g", 0x2000, 0x2000, 0xb3fb5bd2 )
ROM_LOAD( "f3j.5g", 0x4000, 0x2000, 0x772a7527 )
ROM_REGION( 0x2000, REGION_GFX4 | REGIONFLAG_DISPOSE )
ROM_LOAD( "h", 0x0000, 0x2000, 0x332584de ) /* monochrome sprites */
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "a2001.clr", 0x0000, 0x0100, 0x1b16b907 ) /* color prom */
ROM_END
ROM_START( mnchmobl )
ROM_REGION( 0x10000, REGION_CPU1 ) /* 64k for CPUA */
ROM_LOAD( "m1.10e", 0x0000, 0x2000, 0xa4bebc6a )
ROM_LOAD( "m2.10d", 0x2000, 0x2000, 0xf502d466 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for sound CPU */
ROM_LOAD( "mu.2j", 0x0000, 0x2000, 0x420adbd4 )
ROM_REGION( 0x2000, REGION_GFX1 | REGIONFLAG_DISPOSE )
ROM_LOAD( "s1.10a", 0x0000, 0x1000, 0xc0bcc301 ) /* characters */
ROM_LOAD( "s2.10b", 0x1000, 0x1000, 0x96aa11ca )
ROM_REGION( 0x2000, REGION_GFX2 )
ROM_LOAD( "b1.2c", 0x0000, 0x1000, 0x8ce3a403 ) /* tile layout */
ROM_LOAD( "b2.2b", 0x1000, 0x1000, 0x0df28913 ) /* 4x8 tiles */
ROM_REGION( 0x6000, REGION_GFX3 | REGIONFLAG_DISPOSE )
ROM_LOAD( "f1.1g", 0x0000, 0x2000, 0xb75411d4 ) /* sprites */
ROM_LOAD( "f2.3g", 0x2000, 0x2000, 0x539a43ba )
ROM_LOAD( "f3.5g", 0x4000, 0x2000, 0xec996706 )
ROM_REGION( 0x2000, REGION_GFX4 | REGIONFLAG_DISPOSE )
ROM_LOAD( "h", 0x0000, 0x2000, 0x332584de ) /* monochrome sprites */
ROM_REGION( 0x0100, REGION_PROMS )
ROM_LOAD( "a2001.clr", 0x0000, 0x0100, 0x1b16b907 ) /* color prom */
ROM_END
GAME( 1983, joyfulr, 0, munchmo, mnchmobl, 0, ROT270, "SNK", "Joyful Road (US)" )
GAME( 1983, mnchmobl, joyfulr, munchmo, mnchmobl, 0, ROT270, "SNK (Centuri license)", "Munch Mobile (Japan)" )