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jcross: MAME ROM Information.


Jumping Cross (c) 1984 SNK.

A motocross racing game.


Main CPU : (2x) Z80 (@ 3.36 Mhz)

Sound CPU : Z80 (@ 4 Mhz)

Sound Chips : (2x) AY8910 (@ 2 Mhz), Namco (@ 24 khz)

Screen orientation : Vertical

Video resolution : 224 x 256 pixels

Screen refresh : 61.00 Hz

Palette Colors : 288

Players : 2

Control : 8-way joystick

Buttons : 2


Game's rom.

MAME Info:

0.74u2 [Tomasz Slanina]


- You can see the character set used to enter the initials in the high score screen. Tafoid (ID 01758)


- 0.127u2: Nicola Salmoria fixed sound in Jumping Cross, cabinet dipswitch and palette decoding of early SNK games (Jumping Cross). The least significan bits were assigned incorrectly. Removed Namco sound. Changed Z80 CPU1/2 clock speeds to 3350000 Hz.

- 0.127u1: SNK rewrite [Nicola Salmoria]: Fixed sprite-sprite priorities. Merged Jumping Cross with SNK driver. Fixed foreground layer and visible area. Stephane Humbert fixed dipswitches and inputs in Jumping Cross. The game seems to be ok now? Is there still something wrong? Changed Z80 CPU1/2 clock speeds to 3250000 Hz, visible area to 216x288 and VSync to 60Hz. Fixed gfx rom loading.

- 0.126u5: Nicola Salmoria implemented proper shadow handling in the SNK video driver.

- 0.106u3: Added 'scrolling speed' and 'Difficulty' dipswitches.

- 0.93: Added clock parameter to Namco sound (24000 Hz).

- 0.76: Set 'BG Collisions' dipswitch to 'On' by default in Jumping Cross.

- 0.74u2: Tomasz Slanina added Jumping Cross (SNK 1984). TODO: Problems with sprites (strange movement in attract mode), $c800-$d7ff - unknown read, verify dipswitches and colors, unused tileset and cocktail mode/screen flipping.

- 29th September 2003: Tomasz Slanina sent in a driver for Jumping Cross, it's playable but has some graphics glitches.

Recommended Games (Motorbike):

Super Rider


Excite Bike (PlayChoice-10)

Jumping Cross

Kick Start Wheelie King

Vs. Excitebike


Hang-On Jr.

Super Hang-On

Super Hang-On (Mega-Tech)

Vs. Mach Rider

Enduro Racer

Super Cross II

Racing Hero

World Grand Prix

GP Rider

Riding Hero

Moto Frenzy

Stadium Cross

Suzuka 8 Hours

Suzuka 8 Hours 2

Cyber Cycles

Manx TT Superbike


Romset: 139 kb / 20 files / 63.5 zip

MAME XML Output:

       <game name="jcross" sourcefile="snk.c">
              <description>Jumping Cross</description>
              <rom name="jcrossa0.10b" size="8192" crc="0e79bbcd" sha1="7088a8effd30080529b797991e24e9807bf90475" region="maincpu" offset="0"/>
              <rom name="jcrossa1.12b" size="8192" crc="999b2bcc" sha1="e5d13c9c11a82cedee15777341e6424639ecf2f5" region="maincpu" offset="2000"/>
              <rom name="jcrossa2.13b" size="8192" crc="ac89e49c" sha1="9b9a0eec8ad341ce7af58bffe55f10bec696af62" region="maincpu" offset="4000"/>
              <rom name="jcrossa3.14b" size="8192" crc="4fd7848d" sha1="870aea0b8e027616814df87afd24418fd140f736" region="maincpu" offset="6000"/>
              <rom name="jcrossa4.15b" size="8192" crc="8500575d" sha1="b8751b86508de484f2eb8a6702c63a47ec882036" region="maincpu" offset="8000"/>
              <rom name="jcrossb0.15a" size="8192" crc="77ed51e7" sha1="56b457846f71f442da6f99889231d4b71d5fcb6c" region="sub" offset="0"/>
              <rom name="jcrossb1.14a" size="8192" crc="23cf0f70" sha1="f258e899f332a026eeb0db92330fd60c478218af" region="sub" offset="2000"/>
              <rom name="jcrossb2.13a" size="8192" crc="5bed3118" sha1="f105ca55223a4bfbc8e2d61c365c76cf2153254c" region="sub" offset="4000"/>
              <rom name="jcrossb3.12a" size="8192" crc="cd75dc95" sha1="ef03d2b0f66f30fad5132e7b6aee9ec978650b53" region="sub" offset="6000"/>
              <rom name="jcrosss0.f1" size="8192" crc="9ae8ea93" sha1="1d824302305a41bf5c354c36e2e11981d1aa5ea4" region="audiocpu" offset="0"/>
              <rom name="jcrosss1.h2" size="8192" crc="83785601" sha1="cd3d484ef5464090c4b543b1edbbedcc52b15071" region="audiocpu" offset="2000"/>
              <rom name="jcrossb4.10a" size="8192" crc="08ad93fe" sha1="04baf2d9735b0d794b114abeced5a6b899958ce7" region="tx_tiles" offset="0"/>
              <rom name="jcrosss.d2" size="8192" crc="3ebb5beb" sha1="de0a1f0fdb5b08b76dab9fa64d9ae3047c4ff84b" region="tx_tiles" offset="2000"/>
              <rom name="jcrossb1.a2" size="8192" crc="ea3dfbc9" sha1="eee56acd1c9dbc6c3ecdee4ffe860273e65cc09b" region="bg_tiles" offset="0"/>
              <rom name="jcrossf0.l2" size="8192" crc="4532509b" sha1="c99f87e2b06b94d815e6099bccb2aee0edf8c98d" region="sp16_tiles" offset="0"/>
              <rom name="jcrossf1.k2" size="8192" crc="70d219bf" sha1="9ff9f88221edd141e8204ac810434b4290db7cff" region="sp16_tiles" offset="2000"/>
              <rom name="jcrossf2.j2" size="8192" crc="42a12b9d" sha1="9f2bdb1f84f444442282cf0fc1f7b3c7f9a9bf48" region="sp16_tiles" offset="4000"/>
              <rom name="jcrossp2.j7" size="1024" crc="b72a96a5" sha1="20d40e4b6a2652e61dc3ad0c4afaec04e3c7cf74" region="proms" offset="0"/>
              <rom name="jcrossp1.j8" size="1024" crc="35650448" sha1="17e4a661ff304c093bb0253efceaf4e9b2498924" region="proms" offset="400"/>
              <rom name="jcrossp0.j9" size="1024" crc="99f54d48" sha1="9bd20eaa9706d28eaca9f5e195204d89e302272f" region="proms" offset="800"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="3350000"/>
              <chip type="cpu" tag="sub" name="Z80" clock="3350000"/>
              <chip type="cpu" tag="audiocpu" name="Z80" clock="4000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="ay1" name="AY-3-8910A" clock="2000000"/>
              <chip type="audio" tag="ay2" name="AY-3-8910A" clock="2000000"/>
              <display tag="screen" type="raster" rotate="270" width="288" height="216" refresh="60.000000" pixclock="3870720" htotal="288" hbend="0" hbstart="288" vtotal="224" vbend="8" vbstart="224" />
              <sound channels="1"/>
              <input players="2" buttons="2" coins="1">
                     <control type="joy" ways="8"/>
              <dipswitch name="Upright Controls" tag="DSW1" mask="1">
                     <dipvalue name="Single" value="1" default="yes"/>
                     <dipvalue name="Dual" value="0"/>
              <dipswitch name="Cabinet" tag="DSW1" mask="2">
                     <dipvalue name="Upright" value="0" default="yes"/>
                     <dipvalue name="Cocktail" value="2"/>
              <dipswitch name="Lives" tag="DSW1" mask="4">
                     <dipvalue name="3" value="4" default="yes"/>
                     <dipvalue name="5" value="0"/>
              <dipswitch name="Coinage" tag="DSW1" mask="56">
                     <dipvalue name="3 Coins/1 Credit" value="40"/>
                     <dipvalue name="2 Coins/1 Credit" value="48"/>
                     <dipvalue name="1 Coin/1 Credit" value="56" default="yes"/>
                     <dipvalue name="1 Coin/2 Credits" value="24"/>
                     <dipvalue name="1 Coin/3 Credits" value="32"/>
                     <dipvalue name="Free Play" value="0"/>
              <dipswitch name="Difficulty" tag="DSW2" mask="6">
                     <dipvalue name="Easy" value="6" default="yes"/>
                     <dipvalue name="Normal" value="4"/>
                     <dipvalue name="Hard" value="2"/>
                     <dipvalue name="Hardest" value="0"/>
              <dipswitch name="Game mode" tag="DSW2" mask="24">
                     <dipvalue name="Demo Sounds Off" value="24"/>
                     <dipvalue name="Demo Sounds On" value="16" default="yes"/>
                     <dipvalue name="Freeze" value="0"/>
                     <dipvalue name="Infinite Lives (Cheat)" value="8"/>
              <dipswitch name="Flip Screen" tag="DSW2" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Unused" tag="DSW2" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="No BG Collision (Cheat)" tag="DSW2" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              <dipswitch name="Bonus Life" tag="BONUS" mask="193">
                     <dipvalue name="20k 60k 40k+" value="193" default="yes"/>
                     <dipvalue name="40k 120k 80k+" value="129"/>
                     <dipvalue name="60k 160k 100k+" value="65"/>
                     <dipvalue name="20k" value="192"/>
                     <dipvalue name="40k" value="128"/>
                     <dipvalue name="60k" value="64"/>
                     <dipvalue name="None" value="0"/>
              <driver status="good" emulation="good" color="good" sound="good" graphic="good" savestate="unsupported" palettesize="1024"/>

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