game
icon
title Chi-Toitsu
set name 7toitsu
manufacturer Yuga
year 1988
genre Tabletop (hof)
category Tabletop / Mahjong *Mature* (hof)
driver status good
driver source mitchell.c
snapshots MW: in game | parent / CT: in game | title | parent / PS: in game | title | parent
zoom
rating

66.1% after 27 votes
 
parent Mahjong Gakuen
display
colour emulation good
palette 1024
display type raster
orientation horizontal
resolution 384x240
frequency 60.000000Hz
sound
sound emulation good
channels mono
controls
players 2
nplayers 1P
controls other
buttons 0
coin slots 1
hardware
cpu Z80 @ 6MHz
audio OKI6295 @ 0.99MHz
audio YM2413 @ 4MHz
data
version added .064
last change(s) none
roms
name size crc set flags sha1
mc01.1j  32768  0bebe45f  7toitsu    24fadffd0033565441a75f36e2cb085a37e0f0e5 
mc02.1l  131072  375378b0  7toitsu    cbb5db5fda1d87902b22130243d579cb28803707 
mg-1.13h  524288  fd6a0805  mgakuen    f3d4d402dd96b8e4297a074b01d803cac16ac0d3 
mg-2.14h  524288  e26e871e  mgakuen    00f9642ced5f1795e02b357a06deee3d093f6dc0 
mg-3.16h  524288  dd781d9a  mgakuen    db5568be7e5fc15497b979451c65d8448063e04b 
mg-4.17h  524288  97afcc79  mgakuen    a84ddf089db7d26a0043815648f1674b240b8289 
mc06.4l  131072  0ef83926  7toitsu    850b382d919c86ae09d802d5183edd37c81e7c97 
mc07.6l  131072  59f9ffb1  7toitsu    1c225a526860637a713d4b8add2fbc0a17c0a854 
mg-5.1c  524288  170332f1  mgakuen    bc60f144a224f348fd5b8c0207e18a881f739fc1 
cabinet art
control panel mgakuen.png
additional information
info 0.35RC1 [Nicola Salmoria]

< Japan >

WIP:
  • 0.118u2: Atari Ace fixed green screen on startup and MAME gets frozen.
  • 0.99u5: Roberto Fresca added 'Freeze' dipswitch.
  • 0.64: Added clone Chi-Toitsu.
  • 0.35RC1: Nicola Salmoria added Mahjong Gakuen (Yuga 1988). All Mitchell games run on the same hardware except for Mahjong Gakuen, which runs on an earlier version, without RAM banking and not encrypted (standard Z80).
  • 8th June 1999: Nicola Salmoria fixed the sprites in Mahjong Gakuen.
  • 7th June 1999: Nicola added Mahjong Gakuen and Quiz Tonosama no Yabou 2 Zenkoku-ban.
LEVELS: 9

Romset: 2976 kb / 9 files / 922 zip
history Chi-Toitsu - Ichiman Satte Mata Ichiman (c) 1988 Yuga.


Mahjong game played against various girls. This must be the extra-curricular activities of the Mahjong Academy students.


- TECHNICAL -


Main CPU : Z80 (@ 6 Mhz)

Sound Chips : OKI6295 (@ 7.5 Khz), YM2413 (@ 4 Mhz)


Screen orientation : Horizontal

Video resolution : 384 x 240 pixels

Screen refresh : 60.00 Hz

Palette colors : 1024


Player : 2

Control : mahjong keyboard


- TRIVIA -


The title of this game translates roughly from Japanese as 'Seven Pairs - 10,000 Yen Goes, Another 10,000 Yen Comes'.


The subtitle is a play on a Japanese proverb 'Ichinan satte, mata ichinan', which means 'One misfortune goes, another one comes'. An 'Ichiman' is a 10,000 yen note, the highest note of Japanese currency.


In mahjong, a 'toitsu' is a pair of like tiles waiting for a third like tile to create a three-of-a-kind. However, 'chi-toitsu' also denotes a special winning mahjong hand made of seven pairs of tiles. Winning with a chi-toitsu guarantees a good score!


- SOURCES -


Game's rom.



Edit this entry at Arcade-History.com: http://www.arcade-history.com/?n=chi-toitsu-ichiman-satte-mata-ichiman&page=detail&id=449&o=2
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cheats
cheats
code comments
00300001:E67C:09090909:FFFFFFFF  Get 9999 Power Now!
60000000:0000:00000000:00000000  -------------------------------------------------------------
60000000:0000:00000000:00000000  The winning hand cheat must be activated when there are 14
60000000:0000:00000000:00000000  tiles in your hand,then press the RON key ('Z' by default).
60000000:0000:00000000:00000000  The tiles do not visually change until you make a move.
60000000:0000:00000000:00000000  -------------------------------------------------------------
00300001:E1C0:32313131:FFFFFFFF  Get winning hand Now!
00310001:E1C4:33333232:FFFFFFFF  Get winning hand Now! (2/4)
00310001:E1C8:34343433:FFFFFFFF  Get winning hand Now! (3/4)
00110001:E1CC:00003535:FFFFFFFF  Get winning hand Now! (4/4)
60000000:0000:00000000:00000000  ---------------------------------------------------------
60000000:0000:00000000:00000000  See mahjonginmame.nm.ru/index.htm for mahjong rules.
60000000:0000:00000000:00000000  ---------------------------------------------------------
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