📄 yiear.c
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/*
driver:yiear.c
YIE AR KUNG-FU hardware description
enrique.sanchez@cs.us.es
Main CPU: Motorola 6809
Normal 6809 IRQs must be generated each video frame (60 fps).
The 6809 NMI is used for sound timing.
ROM files
D12_8.BIN (16K) -- ROM $8000-$BFFF \___ 6809 code
D14_7.BIN (16K) -- ROM $C000-$FFFF /
G16_1.BIN (8K) -- Background tiles; bitplanes 0,1
G15_2.BIN (8K) -- Background tiles; bitplanes 2,3
G06_3.BIN (16K) -- Sprites; bitplanes 0,1 (part 1)
G05_4.BIN (16K) -- Sprites; bitplanes 0,1 (part 2)
G04_5.BIN (16K) -- Sprites; bitplanes 2,3 (part 1)
G03_6.BIN (16K) -- Sprites; bitplanes 2,3 (part 2)
A12_9.BIN (8K) -- Sound related??
Memory map
4000&4f00 various, not clear which of the two locations does what
but it seems 4000 is used for interrupt enable, and
4f00 for everything else.
bit 0 flip screen
bit 1 ?
bit 2 interrupt enable/acknowledge
bit 3 coin cointer 1
bit 4 coin cointer 1
4800 = SN76496 latch
4900 = SN76496 trigger read
4A00 = ?
4B00 = ?
4C00 = DIP SWITCH 1
4D00 = DIP SWITCH 2
4E00 = COIN,START
4E01 = JOY1
4E02 = JOY2
4E03 = DIP SWITCH 3
5000 - 57FF = RAM (includes sprite attribute zone mapped in it)
5030 - 51AF = SPRITE ATTRIBUTES
5800 - 5FFF = BACKGROUND ATTRIBUTES
6000 - 7FFF = Not used.
8000 - FFFF = Code ROM.
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
#include "M6809/M6809.h"
void yiear_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
void yiear_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void yiear_videoram_w(int offset,int data);
void yiear_4f00_w(int offset,int data);
void yiear_init_machine(void)
{
/* Set OPTIMIZATION FLAGS FOR M6809 */
m6809_Flags = M6809_FAST_S;
}
static int irq_enable,nmi_enable;
static void yiear_interrupt_enable_w(int offset,int data)
{
/* bit 1 is NMI enable */
nmi_enable = data & 0x02;
/* bit 2 is IRQ enable */
irq_enable = data & 0x04;
}
static int yiear_interrupt(void)
{
if (irq_enable) return interrupt();
else return ignore_interrupt();
}
static int yiear_nmi_interrupt(void)
{
if (nmi_enable) return nmi_interrupt();
else return ignore_interrupt();
}
static int yiear_speech_r(int offset)
{
return rand();
/* maybe bit 0 is VLM5030 busy pin??? */
if (VLM5030_BSY()) return 1;
else return 0;
}
void yiear_speech_st(int offset,int data)
{
/* no idea if this is correct... */
VLM5030_ST( 1 );
VLM5030_ST( 0 );
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x0000, yiear_speech_r },
{ 0x4E00, 0x4E00, input_port_0_r }, /* coin,start */
{ 0x4E01, 0x4E01, input_port_1_r }, /* joy1 */
{ 0x4E02, 0x4E02, input_port_2_r }, /* joy2 */
{ 0x4C00, 0x4C00, input_port_3_r }, /* misc */
{ 0x4D00, 0x4D00, input_port_4_r }, /* test mode */
{ 0x4E03, 0x4E03, input_port_5_r }, /* coins per play */
{ 0x5000, 0x5fff, MRA_RAM },
{ 0x8000, 0xFFFF, MRA_ROM },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x4000, 0x4000, yiear_interrupt_enable_w },
{ 0x4800, 0x4800, SN76496_0_w }, /* Loads the snd command into the snd latch */
{ 0x4900, 0x4900, MWA_NOP }, /* This address triggers the SN chip to read the data port. */
{ 0x4a00, 0x4a00, VLM5030_data_w }, /* VLM5030 */
{ 0x4b00, 0x4b00, yiear_speech_st },
{ 0x4f00, 0x4f00, yiear_4f00_w },
{ 0x5030, 0x51AF, MWA_RAM, &spriteram, &spriteram_size },
{ 0x5000, 0x57FF, MWA_RAM }, /* sprites are in this area */
{ 0x5800, 0x5FFF, videoram_w, &videoram, &videoram_size },
{ 0x8000, 0xFFFF, MWA_ROM },
{ -1 } /* end of table */
};
INPUT_PORTS_START( input_ports )
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_BUTTON1 )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 )
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_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON3 | IPF_COCKTAIL )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_START /* DSW0 */
PORT_DIPNAME( 0x03, 0x01, "Lives", IP_KEY_NONE )
PORT_DIPSETTING( 0x03, "1" )
PORT_DIPSETTING( 0x02, "2" )
PORT_DIPSETTING( 0x01, "3" )
PORT_DIPSETTING( 0x00, "5" )
PORT_DIPNAME( 0x04, 0x00, "Cabinet", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Upright" )
PORT_DIPSETTING( 0x04, "Cocktail" )
PORT_DIPNAME( 0x08, 0x08, "Bonus Life", IP_KEY_NONE )
PORT_DIPSETTING( 0x08, "30000 80000" )
PORT_DIPSETTING( 0x00, "40000 90000" )
PORT_DIPNAME( 0x10, 0x10, "Unknown DSW1 4", IP_KEY_NONE )
PORT_DIPSETTING( 0x10, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x20, 0x20, "Difficulty", IP_KEY_NONE )
PORT_DIPSETTING( 0x20, "Easy" )
PORT_DIPSETTING( 0x00, "Hard" )
PORT_DIPNAME( 0x40, 0x40, "Unknown DSW1 6", IP_KEY_NONE )
PORT_DIPSETTING( 0x40, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x80, 0x00, "Demo Sounds", IP_KEY_NONE )
PORT_DIPSETTING( 0x80, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x01, 0x01, "Flip Screen", IP_KEY_NONE )
PORT_DIPSETTING( 0x01, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x02, 0x02, "Unknown DSW2 2", IP_KEY_NONE )
PORT_DIPSETTING( 0x02, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_BITX( 0x04, 0x04, IPT_DIPSWITCH_NAME | IPF_TOGGLE, "Service Mode", OSD_KEY_F2, IP_JOY_NONE, 0 )
PORT_DIPSETTING( 0x04, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x08, 0x08, "Unknown DSW2 4", IP_KEY_NONE )
PORT_DIPSETTING( 0x08, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x10, 0x10, "Unknown DSW2 5", IP_KEY_NONE )
PORT_DIPSETTING( 0x10, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x20, 0x20, "Unknown DSW2 6", IP_KEY_NONE )
PORT_DIPSETTING( 0x20, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x40, 0x40, "Unknown DSW2 7", IP_KEY_NONE )
PORT_DIPSETTING( 0x40, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x80, 0x80, "Unknown DSW2 8", IP_KEY_NONE )
PORT_DIPSETTING( 0x80, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_START /* DSW2 */
PORT_DIPNAME( 0x0f, 0x0f, "Coin A", IP_KEY_NONE )
PORT_DIPSETTING( 0x02, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x05, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x08, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x04, "3 Coins/2 Credits" )
PORT_DIPSETTING( 0x01, "4 Coins/3 Credits" )
PORT_DIPSETTING( 0x0f, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x03, "3 Coins/4 Credits" )
PORT_DIPSETTING( 0x07, "2 Coins/3 Credits" )
PORT_DIPSETTING( 0x0e, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x06, "2 Coins/5 Credits" )
PORT_DIPSETTING( 0x0d, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x0c, "1 Coin/4 Credits" )
PORT_DIPSETTING( 0x0b, "1 Coin/5 Credits" )
PORT_DIPSETTING( 0x0a, "1 Coin/6 Credits" )
PORT_DIPSETTING( 0x09, "1 Coin/7 Credits" )
PORT_DIPSETTING( 0x00, "Free Play" )
PORT_DIPNAME( 0xf0, 0xf0, "Coin B", IP_KEY_NONE )
PORT_DIPSETTING( 0x20, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x50, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x80, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x40, "3 Coins/2 Credits" )
PORT_DIPSETTING( 0x10, "4 Coins/3 Credits" )
PORT_DIPSETTING( 0xf0, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x30, "3 Coins/4 Credits" )
PORT_DIPSETTING( 0x70, "2 Coins/3 Credits" )
PORT_DIPSETTING( 0xe0, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x60, "2 Coins/5 Credits" )
PORT_DIPSETTING( 0xd0, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0xc0, "1 Coin/4 Credits" )
PORT_DIPSETTING( 0xb0, "1 Coin/5 Credits" )
PORT_DIPSETTING( 0xa0, "1 Coin/6 Credits" )
PORT_DIPSETTING( 0x90, "1 Coin/7 Credits" )
/* 0x00 gives invalid */
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8 by 8 */
512, /* 512 characters */
4, /* 4 bits per pixel */
{ 4, 0, 512*16*8+4, 512*16*8+0 }, /* plane */
{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3 }, /* x */
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, /* y */
16*8
};
static struct GfxLayout spritelayout =
{
16,16, /* 16 by 16 */
512, /* 512 sprites */
4, /* 4 bits per pixel */
{ 512*64*8+4, 512*64*8+0, 4, 0 }, /* plane offsets */
{ 0, 1, 2, 3, 8*8+0, 8*8+1, 8*8+2, 8*8+3,
16*8+0, 16*8+1, 16*8+2, 16*8+3, 24*8+0, 24*8+1, 24*8+2, 24*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8,
32*8, 33*8, 34*8, 35*8, 36*8, 37*8, 38*8, 39*8 },
64*8
};
static struct GfxDecodeInfo gfxdecodeinfo[] =
{
{ 1, 0x0000, &charlayout, 0, 1 },
{ 1, 0x4000, &spritelayout, 16, 1 },
{ -1 } /* end of array */
};
struct SN76496interface sn76496_interface =
{
1, /* 1 chip */
1500000, /* 1.5 MHz ? (hand tuned) */
{ 100 }
};
struct VLM5030interface vlm5030_interface =
{
3580000, /* master clock */
100, /* volume */
3, /* memory region */
0, /* VCU */
};
static struct MachineDriver machine_driver =
{
/* basic machine hardware */
{
{
CPU_M6809,
1250000, /* 1.25 Mhz */
0, /* memory region */
readmem, /* MemoryReadAddress */
writemem, /* MemoryWriteAddress */
0, /* IOReadPort */
0, /* IOWritePort */
yiear_interrupt,1, /* vblank */
yiear_nmi_interrupt,500 /* music tempo (correct frequency unknown) */
}
},
60, DEFAULT_60HZ_VBLANK_DURATION, /* frames per second, vblank duration */
1, /* single CPU, no need for interleaving */
0,
/* video hardware */
32*8, 32*8, { 0*8, 32*8-1, 2*8, 30*8-1 },
gfxdecodeinfo, /* GfxDecodeInfo * */
32, /* total colors */
32, /* color table length */
yiear_vh_convert_color_prom, /* convert color prom routine */
VIDEO_TYPE_RASTER|VIDEO_SUPPORTS_DIRTY,
0, /* vh_init routine */
generic_vh_start, /* vh_start routine */
generic_vh_stop, /* vh_stop routine */
yiear_vh_screenrefresh, /* vh_update routine */
/* sound hardware */
0,0,0,0,
{
{
SOUND_SN76496,
&sn76496_interface
},
{
SOUND_VLM5030,
&vlm5030_interface
}
}
};
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( yiear_rom )
ROM_REGION(0x10000) /* 64k for code */
ROM_LOAD( "d12_8.bin", 0x8000, 0x4000, 0x49ecd9dd )
ROM_LOAD( "d14_7.bin", 0xC000, 0x4000, 0xbc2e1208 )
ROM_REGION_DISPOSE(0x14000) /* temporary space for graphics (disposed after conversion) */
ROM_LOAD( "g16_1.bin", 0x00000, 0x2000, 0xb68fd91d )
ROM_LOAD( "g15_2.bin", 0x02000, 0x2000, 0xd9b167c6 )
ROM_LOAD( "g06_3.bin", 0x04000, 0x4000, 0xe6aa945b )
ROM_LOAD( "g05_4.bin", 0x08000, 0x4000, 0xcc187c22 )
ROM_LOAD( "g04_5.bin", 0x0c000, 0x4000, 0x45109b29 )
ROM_LOAD( "g03_6.bin", 0x10000, 0x4000, 0x1d650790 )
ROM_REGION(0x0020) /* color prom */
ROM_LOAD( "yiear.clr", 0x00000, 0x0020, 0xc283d71f )
ROM_REGION(0x2000) /* 8k for the VLM5030 data */
ROM_LOAD( "a12_9.bin", 0x0000, 0x2000, 0xf75a1539 )
ROM_END
static int hiload(void)
{
unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];
/* check if the hi score table has already been initialized */
if ((memcmp(&RAM[0x5520],"\x00\x36\x70",3) == 0) &&
(memcmp(&RAM[0x55A9],"\x10\x10\x10",3) == 0))
{
void *f;
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,0)) != 0)
{
/* Read the scores */
osd_fread(f,&RAM[0x5520],14*10);
/* reset score at top */
memcpy(&RAM[0x521C],&RAM[0x5520],3);
osd_fclose(f);
}
return 1;
}
else return 0; /* we can't load the hi scores yet */
}
static void hisave(void)
{
void *f;
unsigned char *RAM = Machine->memory_region[Machine->drv->cpu[0].memory_region];
if ((f = osd_fopen(Machine->gamedrv->name,0,OSD_FILETYPE_HIGHSCORE,1)) != 0)
{
/* Save the scores */
osd_fwrite(f,&RAM[0x5520],14*10);
osd_fclose(f);
}
}
struct GameDriver yiear_driver =
{
__FILE__,
0,
"yiear",
"Yie Ar Kung Fu",
"1985",
"Konami",
"Enrique Sanchez\nPhilip Stroffolino\nTim Lindquist (color info)\nKevin Estep (sound info)\nMarco Cassili",
0,
&machine_driver,
0,
yiear_rom,
0, 0, /* ROM decode and opcode decode functions */
0,
0, /* sound_prom */
input_ports,
PROM_MEMORY_REGION(2), 0, 0,
ORIENTATION_DEFAULT,
hiload, hisave
};
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