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trailblz: MAME ROM Information.


History:

Trail Blazer (c) 1987 Coinmaster.


- TECHNICAL -


Main CPU : Z80 (@ 8 Mhz)

Sound Chips : AY8910 (@ 1.5 Mhz)


Screen orientation : Horizontal

Video resolution : 368 x 256 pixels

Screen refresh : 60.00 Hz

Palette colors : 256


Players : 1

Buttons : 3


- SOURCES -


Game's rom.




MAME Info:

0.100u1 [Pierpaolo Prazzoli]


WIP:

- 0.129u6: Added dipswitches 'PIA0.A', 'PIA0.B', 'PIA1.B' and 'PIA2.B'.

- 8th January 2009: David Haywood - I've been working with Roberto Fresca on some drivers lately. One that came to our attention was the 'Coinmaster' one, due to a recent dump of a Poker game running on that hardware. I was asked if I could take a look at the tile banking, and try to locate the palette, which was proving to be difficult to find. After some educated guesswork I ended up with the following (see screenshots). Turns out the game has a 1 bit per colour, 4 colours per tile palette stored with the tile data in ram, rather than a global palette which any tile can access. There are still a few things to be figured out, such as if it has brightness control on the colours (which would allow more colours) and if the extra ram that Super Nudge 2 and the Poker game have expand the palette in any way.

- 0.100u1: Pierpaolo Prazzoli added Trail Blazer (Coinmaster 1987).

- 9th September 2005: Pierpaolo Prazzoli - I started to re-look at Coinmaster's trivia games: Quiz Master (1985), Trail Blazer (1987) and Super Nudge 2 (1989). They're really weird. They use a 46 x 64 tilemap with videoram starting at offset $240 and using the previous offsets as main ram. Also tile banking is strange. They use an attribute ram for every banking address bit they need (so in games with $400 tiles, they have 2 attributes rams with all the other 14 bits used and still unknown). I don't know if they have a hard-coded palette or if they use a strange paletteram format.


Romset: 48 kb / 4 files / 24.1 zip




MAME XML Output:

       <game name="trailblz" sourcefile="coinmstr.c">
              <description>Trail Blazer</description>
              <year>1987</year>
              <manufacturer>Coinmaster</manufacturer>
              <rom name="1-4.09" size="16384" crc="7c34749c" sha1="3847188a734b32979f376f51f74dff050b610dfb" region="maincpu" offset="0"/>
              <rom name="2-4.06" size="16384" crc="81a9809b" sha1="4d2bfd5223713a9e2e15130a3176118d400ee63e" region="maincpu" offset="4000"/>
              <rom name="1-2.45" size="8192" crc="b4a807b1" sha1="f00a4790adb0c25917a0dc8c98c9b65526304fd3" region="gfx1" offset="0"/>
              <rom name="2-2.41" size="8192" crc="756dd230" sha1="6d6f440bf1f48cc33d5e46cfc645809d5f8b1f3a" region="gfx1" offset="2000"/>
              <rom name="questions.bin" size="655360" status="nodump" region="user1" offset="0"/>
              <chip type="cpu" tag="maincpu" name="Z80" clock="8000000"/>
              <chip type="audio" tag="mono" name="Speaker"/>
              <chip type="audio" tag="aysnd" name="AY-3-8910A" clock="1500000"/>
              <display tag="screen" type="raster" rotate="0" width="368" height="256" refresh="60.000000" />
              <sound channels="1"/>
              <input players="1" buttons="3" coins="4">
              </input>
              <dipswitch name="PIA0.A" tag="PIA0.A" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.A" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="PIA0.B" tag="PIA0.B" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA0.B" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="1" tag="PIA1.A" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.A" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Show Refill" tag="PIA1.A" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Show Stats" tag="PIA1.A" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="PIA1.B" tag="PIA1.B" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA1.B" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.A" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.A" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Service Mode" tag="PIA2.A" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="PIA2.B" tag="PIA2.B" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="PIA2.B" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="4" tag="DSW1" mask="1">
                     <dipvalue name="Off" value="1" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="DSW1" mask="2">
                     <dipvalue name="Off" value="2" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="DSW1" mask="4">
                     <dipvalue name="Off" value="4" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Tests" tag="DSW1" mask="8">
                     <dipvalue name="Off" value="8" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="DSW1" mask="16">
                     <dipvalue name="Off" value="16" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="DSW1" mask="32">
                     <dipvalue name="Off" value="32" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="NVRAM Reset?" tag="DSW1" mask="64">
                     <dipvalue name="Off" value="64" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <dipswitch name="Unknown" tag="DSW1" mask="128">
                     <dipvalue name="Off" value="128" default="yes"/>
                     <dipvalue name="On" value="0"/>
              </dipswitch>
              <driver status="preliminary" emulation="preliminary" color="good" sound="good" graphic="good" protection="preliminary" savestate="unsupported" palettesize="5888"/>
       </game>
 
 


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