📄 locomotn.c
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/***************************************************************************
Loco-Motion memory map (preliminary)
CPU #1
0000-4fff ROM (empty space at 5000-5fff for diagnostic ROM)
8040-83ff video RAM (top 8 rows of screen)
8440-87ff video RAM
8840-8bff color RAM (top 8 rows of screen)
8c40-8fff color RAM
8000-803f sprite RAM #1
8800-883f sprite RAM #2
9800-9fff RAM
read:
a000 IN0
a080 IN1
a100 IN2
a180 DSW
write:
a080 watchdog reset
a100 command for the audio CPU
a180 interrupt trigger on audio CPU
a181 interrupt enable
CPU #2:
2000-23ff RAM
read:
4000 8910 #0 read
6000 8910 #1 read
write:
5000 8910 #0 control
4000 8910 #0 write
7000 8910 #1 control
6000 8910 #1 write
***************************************************************************/
#include "driver.h"
#include "vidhrdw/generic.h"
extern unsigned char *rallyx_videoram2,*rallyx_colorram2;
extern unsigned char *rallyx_radarcarx,*rallyx_radarcary,*rallyx_radarcarcolor;
extern int rallyx_radarram_size;
extern unsigned char *rallyx_scrollx,*rallyx_scrolly;
void rallyx_videoram2_w(int offset,int data);
void rallyx_colorram2_w(int offset,int data);
void rallyx_flipscreen_w(int offset,int data);
void rallyx_vh_convert_color_prom(unsigned char *palette, unsigned short *colortable,const unsigned char *color_prom);
int rallyx_vh_start(void);
void rallyx_vh_stop(void);
void locomotn_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void jungler_init(void);
void rallyx_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
void commsega_vh_screenrefresh(struct osd_bitmap *bitmap,int full_refresh);
/* I am not 100% sure that this timer is correct, but */
/* I'm using the Gyruss wired to the higher 4 bits */
/* instead of the lower ones, so there is a good */
/* chance it's the right one. */
/* The timer clock which feeds the lower 4 bits of */
/* AY-3-8910 port A is based on the same clock */
/* feeding the sound CPU Z80. It is a divide by */
/* 10240, formed by a standard divide by 1024, */
/* followed by a divide by 10 using a 4 bit */
/* bi-quinary count sequence. (See LS90 data sheet */
/* for an example). */
/* Bits 1-3 come directly from the upper three bits */
/* of the bi-quinary counter.燘it 0 comes from the */
/* output of the divide by 1024. */
static int locomotn_timer[20] = {
0x00, 0x01, 0x00, 0x01, 0x02, 0x03, 0x02, 0x03, 0x04, 0x05,
0x08, 0x09, 0x08, 0x09, 0x0a, 0x0b, 0x0a, 0x0b, 0x0c, 0x0d
};
static int locomotn_portB_r(int offset)
{
/* need to protect from totalcycles overflow */
static int last_totalcycles = 0;
/* number of Z80 clock cycles to count */
static int clock;
int current_totalcycles;
current_totalcycles = cpu_gettotalcycles();
clock = (clock + (current_totalcycles-last_totalcycles)) % 10240;
last_totalcycles = current_totalcycles;
return locomotn_timer[clock/512] << 4;
}
void locomotn_sh_irqtrigger_w(int offset,int data)
{
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;
}
static struct MemoryReadAddress readmem[] =
{
{ 0x0000, 0x5fff, MRA_ROM },
{ 0x8000, 0x8fff, MRA_RAM },
{ 0x9800, 0x9fff, MRA_RAM },
{ 0xa000, 0xa000, input_port_0_r }, /* IN0 */
{ 0xa080, 0xa080, input_port_1_r }, /* IN1 */
{ 0xa100, 0xa100, input_port_2_r }, /* IN2 */
{ 0xa180, 0xa180, input_port_3_r }, /* DSW */
{ -1 } /* end of table */
};
static struct MemoryWriteAddress jungler_writemem[] =
{
{ 0x0000, 0x5fff, MWA_ROM },
{ 0x8000, 0x83ff, videoram_w, &videoram, &videoram_size },
{ 0x8400, 0x87ff, rallyx_videoram2_w, &rallyx_videoram2 },
{ 0x8800, 0x8bff, colorram_w, &colorram },
{ 0x8c00, 0x8fff, rallyx_colorram2_w, &rallyx_colorram2 },
{ 0x9800, 0x9fff, MWA_RAM },
{ 0xa034, 0xa03f, MWA_RAM, &rallyx_radarcarcolor },
{ 0xa080, 0xa080, watchdog_reset_w },
{ 0xa100, 0xa100, soundlatch_w },
{ 0xa130, 0xa130, MWA_RAM, &rallyx_scrollx },
{ 0xa140, 0xa140, MWA_RAM, &rallyx_scrolly },
{ 0xa170, 0xa170, MWA_NOP }, /* ????? */
{ 0xa180, 0xa180, locomotn_sh_irqtrigger_w },
{ 0xa181, 0xa181, interrupt_enable_w },
{ 0xa183, 0xa183, rallyx_flipscreen_w },
{ 0xa184, 0xa185, osd_led_w },
{ 0xa186, 0xa186, MWA_NOP },
{ 0x8014, 0x801f, MWA_RAM, &spriteram, &spriteram_size }, /* these are here just to initialize */
{ 0x8814, 0x881f, MWA_RAM, &spriteram_2 }, /* the pointers. */
{ 0x8034, 0x803f, MWA_RAM, &rallyx_radarcarx, &rallyx_radarram_size }, /* ditto */
{ 0x8834, 0x883f, MWA_RAM, &rallyx_radarcary },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress writemem[] =
{
{ 0x0000, 0x5fff, MWA_ROM },
{ 0x8000, 0x83ff, videoram_w, &videoram, &videoram_size },
{ 0x8400, 0x87ff, rallyx_videoram2_w, &rallyx_videoram2 },
{ 0x8800, 0x8bff, colorram_w, &colorram },
{ 0x8c00, 0x8fff, rallyx_colorram2_w, &rallyx_colorram2 },
{ 0x9800, 0x9fff, MWA_RAM },
{ 0xa000, 0xa00f, MWA_RAM, &rallyx_radarcarcolor },
{ 0xa080, 0xa080, watchdog_reset_w },
{ 0xa100, 0xa100, soundlatch_w },
{ 0xa130, 0xa130, MWA_RAM, &rallyx_scrollx },
{ 0xa140, 0xa140, MWA_RAM, &rallyx_scrolly },
{ 0xa170, 0xa170, MWA_NOP }, /* ????? */
{ 0xa180, 0xa180, locomotn_sh_irqtrigger_w },
{ 0xa181, 0xa181, interrupt_enable_w },
{ 0xa183, 0xa183, rallyx_flipscreen_w },
{ 0xa184, 0xa185, osd_led_w },
{ 0xa186, 0xa186, MWA_NOP },
{ 0x8000, 0x801f, MWA_RAM, &spriteram, &spriteram_size }, /* these are here just to initialize */
{ 0x8800, 0x881f, MWA_RAM, &spriteram_2 }, /* the pointers. */
{ 0x8020, 0x803f, MWA_RAM, &rallyx_radarcarx, &rallyx_radarram_size }, /* ditto */
{ 0x8820, 0x883f, MWA_RAM, &rallyx_radarcary },
{ -1 } /* end of table */
};
static struct MemoryReadAddress sound_readmem[] =
{
{ 0x0000, 0x0fff, MRA_ROM },
{ 0x2000, 0x23ff, MRA_RAM },
{ 0x4000, 0x4000, AY8910_read_port_0_r },
{ 0x6000, 0x6000, AY8910_read_port_1_r },
{ -1 } /* end of table */
};
static struct MemoryWriteAddress sound_writemem[] =
{
{ 0x0000, 0x0fff, MWA_ROM },
{ 0x2000, 0x23ff, MWA_RAM },
{ 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 },
{ -1 } /* end of table */
};
INPUT_PORTS_START( locomotn_input_ports )
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
PORT_START /* DSW0 */
PORT_DIPNAME( 0x01, 0x00, "Demo Sounds", IP_KEY_NONE )
PORT_DIPSETTING( 0x01, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x02, 0x02, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x02, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x04, 0x04, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x04, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPNAME( 0x08, 0x00, "Cabinet", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Upright" )
PORT_DIPSETTING( 0x08, "Cocktail" )
PORT_DIPNAME( 0x30, 0x30, "Lives", IP_KEY_NONE )
PORT_DIPSETTING( 0x30, "3" )
PORT_DIPSETTING( 0x20, "4" )
PORT_DIPSETTING( 0x10, "5" )
PORT_DIPSETTING( 0x00, "255?" )
PORT_DIPNAME( 0x40, 0x40, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x40, "Off" )
PORT_DIPSETTING( 0x00, "On" )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x0f, 0x0f, "Coin A", IP_KEY_NONE )
PORT_DIPSETTING( 0x04, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x0a, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x01, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x02, "3 Coins/2 Credits" )
PORT_DIPSETTING( 0x08, "4 Coins/3 Credits" )
PORT_DIPSETTING( 0x0f, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x0c, "3 Coins/4 Credits" )
PORT_DIPSETTING( 0x0e, "2 Coins/3 Credits" )
PORT_DIPSETTING( 0x07, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x06, "2 Coins/5 Credits" )
PORT_DIPSETTING( 0x0b, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x03, "1 Coin/4 Credits" )
PORT_DIPSETTING( 0x0d, "1 Coin/5 Credits" )
PORT_DIPSETTING( 0x05, "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( 0x40, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0xa0, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x10, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x20, "3 Coins/2 Credits" )
PORT_DIPSETTING( 0x80, "4 Coins/3 Credits" )
PORT_DIPSETTING( 0xf0, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0xc0, "3 Coins/4 Credits" )
PORT_DIPSETTING( 0xe0, "2 Coins/3 Credits" )
PORT_DIPSETTING( 0x70, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x60, "2 Coins/5 Credits" )
PORT_DIPSETTING( 0xb0, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x30, "1 Coin/4 Credits" )
PORT_DIPSETTING( 0xd0, "1 Coin/5 Credits" )
PORT_DIPSETTING( 0x50, "1 Coin/6 Credits" )
PORT_DIPSETTING( 0x90, "1 Coin/7 Credits" )
PORT_DIPSETTING( 0x00, "Disable" )
INPUT_PORTS_END
INPUT_PORTS_START( jungler_input_ports )
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_4WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_4WAY | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
PORT_START /* DSW0 */
PORT_BIT( 0x7f, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_4WAY )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x07, 0x07, "Coin A", IP_KEY_NONE )
PORT_DIPSETTING( 0x01, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x02, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x03, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x00, "4 Coins/3 Credits" )
PORT_DIPSETTING( 0x07, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x06, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x05, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x04, "1 Coin/4 Credits" )
PORT_DIPNAME( 0x38, 0x38, "Coin B", IP_KEY_NONE )
PORT_DIPSETTING( 0x08, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x10, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x18, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x00, "4 Coins/3 Credits" )
PORT_DIPSETTING( 0x38, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x30, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x28, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x20, "1 Coin/4 Credits" )
PORT_DIPNAME( 0x40, 0x00, "Cabinet", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Upright" )
PORT_DIPSETTING( 0x40, "Cocktail" )
PORT_BITX( 0x80, 0x80, IPT_DIPSWITCH_NAME | IPF_CHEAT, "Infinite Lives", IP_KEY_NONE, IP_JOY_NONE, 0 )
PORT_DIPSETTING( 0x80, "Off" )
PORT_DIPSETTING( 0x00, "On" )
INPUT_PORTS_END
INPUT_PORTS_START( commsega_input_ports )
/* the direction controls are probably wrong */
PORT_START /* IN0 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_COIN2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 )
PORT_START /* IN1 */
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP | IPF_8WAY )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 | IPF_COCKTAIL )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT | IPF_8WAY | IPF_COCKTAIL )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START2 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START1 )
PORT_START /* DSW0 */
PORT_DIPNAME( 0x07, 0x07, "Coin B", IP_KEY_NONE )
PORT_DIPSETTING( 0x04, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x05, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x06, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x07, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x01, "2 Coins/3 Credits" )
PORT_DIPSETTING( 0x03, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x02, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x00, "Free Play" )
PORT_DIPNAME( 0x08, 0x08, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPSETTING( 0x08, "Off" )
PORT_DIPNAME( 0x10, 0x10, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPSETTING( 0x10, "Off" )
PORT_DIPNAME( 0x20, 0x20, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPSETTING( 0x20, "Off" )
PORT_DIPNAME( 0x40, 0x40, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPSETTING( 0x40, "Off" )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN | IPF_8WAY )
PORT_START /* DSW1 */
PORT_DIPNAME( 0x03, 0x03, "Lives", IP_KEY_NONE )
PORT_DIPSETTING( 0x03, "3" )
PORT_DIPSETTING( 0x02, "4" )
PORT_DIPSETTING( 0x01, "5" )
PORT_DIPSETTING( 0x00, "6" )
PORT_DIPNAME( 0x1c, 0x1c, "Coin A", IP_KEY_NONE )
PORT_DIPSETTING( 0x10, "4 Coins/1 Credit" )
PORT_DIPSETTING( 0x14, "3 Coins/1 Credit" )
PORT_DIPSETTING( 0x18, "2 Coins/1 Credit" )
PORT_DIPSETTING( 0x1c, "1 Coin/1 Credit" )
PORT_DIPSETTING( 0x04, "2 Coins/3 Credits" )
PORT_DIPSETTING( 0x0c, "1 Coin/2 Credits" )
PORT_DIPSETTING( 0x08, "1 Coin/3 Credits" )
PORT_DIPSETTING( 0x00, "Free Play" )
PORT_DIPNAME( 0x20, 0x20, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPSETTING( 0x20, "Off" )
PORT_DIPNAME( 0x40, 0x40, "Unknown", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "On" )
PORT_DIPSETTING( 0x40, "Off" )
PORT_DIPNAME( 0x80, 0x00, "Cabinet", IP_KEY_NONE )
PORT_DIPSETTING( 0x00, "Upright" )
PORT_DIPSETTING( 0x80, "Cocktail" )
INPUT_PORTS_END
static struct GfxLayout charlayout =
{
8,8, /* 8*8 characters */
512, /* 512 characters (256 in Jungler) */
2, /* 2 bits per pixel */
{ 4, 0 },
{ 8*8+0,8*8+1,8*8+2,8*8+3, 0, 1, 2, 3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
16*8 /* every char takes 16 consecutive bytes */
};
static struct GfxLayout spritelayout =
{
16,16, /* 16*16 sprites */
128, /* 128 sprites (64 in Jungler) */
2, /* 2 bits per pixel */
{ 4, 0 },
{ 8*8, 8*8+1, 8*8+2, 8*8+3, 0, 1, 2, 3,
24*8+0, 24*8+1, 24*8+2, 24*8+3, 16*8+0, 16*8+1, 16*8+2, 16*8+3 },
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