game
icon
title Grind Stormer (older set)
set name grindsta
manufacturer Toaplan
year 1992
genre Shooter (hof)
category Shooter / Flying Vertical (hof)
driver status preliminary
driver source toaplan2.c
snapshots MW: in game | parent / CT: in game | title | parent / Mr. Do: parent / PS: in game | title | scores | parent
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rating

59.3% after 15 votes
 
parent V-Five (Japan)
other clones Grind Stormer
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display
colour emulation good
palette 2048
display type raster
orientation vertical
resolution 240x320
frequency 59.000000Hz
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sound
sound emulation preliminary
channels mono
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controls
players 2
nplayers 2P alt
controls 8 way joystick
buttons 2
coin slots 2
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hardware
cpu 68000 @ 10MHz
audio YM2151 @ 3.375MHz
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data
version added .061
last change(s) none
roms
name size crc set flags sha1
tp027-01.rom  524288  8d8c0392  grindsta    824dde274c8bef8a87c54d8ccdda7f0feb8d11e1 
tp027_02.bin  1048576  877b45e8  vfive    b3ed8d8dbbe51a1919afc55d619d2b6771971493 
tp027_03.bin  1048576  b1fc6362  vfive    5e97e3cce31be57689d394a50178cda4d80cce5f 
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cabinet art
flyer vfive.png
PCB vfive.png
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additional information
info 0.36RC2 [Brian Troha]

TODO:
  • Hook up sound (NEC 25+ sound CPU + YM2151)
WIP:
  • 0.127u2: Brian Troha changed VSync to 59Hz in V-Five and clones.
  • 1st June 2008: Charles MacDonald - V25 research: There are a number of instructions which delay interrupt and exception processing, allowing one more instruction to be executed before the interrupt is taken. For the prefixes, this prevents an interrupt from being taken after the prefix byte has been fetched but before the instruction it applies to has been executed. Likewise for segment register loads, if an interrupt occurred after SS was changed, SP would be invalid. By delaying interrupts the following types of sequences become uninterruptible. It seems less important to have DS and ES register loads delay interrupts as well, I did not expect this behavior. I have been looking at the MCU code for other games and it seems that they use similar, if not identical instruction encodings, despite using differently labeled MCUs. V-Five in particular seems to match the Knuckle Bash opcodes quite closely, and when/if I can get Knuckle Bash decrypted, I'll see how much of V-Five can be decrypted.
  • 0.113u2: Changed VSync to 59.410646 Hz.
  • 0.61: Added clone Grind Stormer (older set). Changed VSync to 59.410645Hz.
  • 0.37b9: Fixed cpu1 rom ($0) in V-Five and clone Grind Stormer.
  • 0.37b6: Changed YM2151 clock speed to 3375000 Hz.
  • 0.37b2: Added clone Grind Stormer (Korea) (Toaplan 1993 (Unite Trading license)).
  • 0.36RC2: Brian Troha added V-Five (Toaplan 1993).
  • 12th March 2000: Quench sent in a Toaplan2 update with support for Ghox, V-Five, Dogyuun and Batsugun.
LEVELS: 6 (must be finished twice)

Other Emulators:
  • Raine
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Romset: 2560 kb / 3 files / 1.06 zip
history Grind Stormer (c) 1992 Toaplan.


A vertically scrolling shoot 'em up from Toaplan.


- TECHNICAL -


Game ID : TP-027


Main CPU : 68000 (@ 10 Mhz)

Sound Chips : YM2151 (@ 3.375 Mhz)


Screen orientation : Vertical

Video resolution : 240 x 320 pixels

Screen refresh : 59.41 Hz

Palette Colors : 2048


Players : 2

Control : 8-way joystick

Buttons : 2


- TRIVIA -


Licensed to American Sammy for USA, to Unite Trading for Korea, to Charterfield for Hong Kong and South East Asia and to Anomoto International for Taiwan.


This game is known in Japan as "V-Five".


This would be Ikeda Tsunemoto's first game at Toaplan. He went on to become a founding member of Cave, where he still works as a lead programmer. It is due to him that the phenomenon of the 'Danmaku'; the huge walls of bullets seen in "Donpachi" etc, came about.


- UPDATES -


Grind Stormer seems to be different in the way that you pick up the items directly and don't go through the power-up bar.


- TIPS AND TRICKS -


* Hidden Functions : If the 'Invulnerability dip switch' is enabled, you are invulnerable but you may also 'Pause' the game with P2 Start and restart with P1 Start.


- STAFF -
  • Director : Kenichi Takano
  • Programmers : Sigue Hayasato, Tsuneki Ikeda
  • Graphic designers : Y. Naora, Mikio Yamaguchi
  • Sound director : Masahiro Yuge
  • - PORTS -
  • * Consoles :
  • Sega Mega Drive (1994)
  • - SOURCES -
  • Game's rom.
  • Edit this entry at Arcade-History.com: http://www.arcade-history.com/?n=grind-stormer&page=detail&id=1019&o=2
resource links view in MAWS
view in CAESAR
view high score and replay at MARP
view in Progetto EMMA (Italian)
view in arcade-history.com
view in arcade-history.com
view in GameFAQs
view in KLOV
view in MamEnd
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cheats
cheats
code comments
00000000:1003B3:00000009:FFFFFFFF  Infinite Credits
00000000:10063D:0000000F:FFFFFFFF  Infinite Lives
00000000:10065B:00000006:FFFFFFFF  Infinite Bombs
00000000:100611:00000002:FFFFFFFF  Invincibility (Flicker):See the Dip Switch Menu to enable alternate an Invincibility PL1 cheat. But the dipswitch causes a game crash when PL2 is selected.
00100000:100602:00000002:FFFFFFFF  Always Maximum Shot Power
00010000:100607:00000002:FFFFFFFF  Always Maximum Shot Power (2/3)
00010012:10061B:00000039:00003979  Always Maximum Shot Power (3/3)
62000000:000000:00000000:00000000  Select Weapon
00010000:100601:00000000:FFFFFFFF  Normal Shot
00018001:10060A:00000001:FFFFFFFF  Normal Shot (2/3)
00018000:10060B:00000002:FFFFFFFF  Normal Shot (3/3)
00010000:100601:00000001:FFFFFFFF  Search
00018001:10060A:00000001:FFFFFFFF  Search (2/3)
00018000:10060B:00000000:FFFFFFFF  Search (3/3)
00010000:100601:00000002:FFFFFFFF  Missile
00018001:10060A:00000001:FFFFFFFF  Missile (2/3)
00018000:10060B:00000001:FFFFFFFF  Missile (3/3)
62000000:000000:00000000:00000000  Select Speed
00010000:1005FE:0000000E:FFFFFFFF  Minimum
00010000:1005FE:00000018:FFFFFFFF  1
00010000:1005FE:00000022:FFFFFFFF  2
00010000:1005FE:0000002C:FFFFFFFF  3
00010000:1005FE:00000036:FFFFFFFF  Maximum
62000000:000000:00000000:00000000  Select Starting Stage
00190000:100640:00000000:00000000  Stage 1
00098000:100647:00000000:00000000  Stage 1 (2/3)
00098000:10064F:00000001:00000000  Stage 1 (3/3)
00190000:100640:000002C0:00000000  Stage 2
00098000:100647:00000001:00000000  Stage 2 (2/3)
00098000:10064F:00000001:00000000  Stage 2 (3/3)
00190000:100640:00000640:00000000  Stage 3
00098000:100647:00000002:00000000  Stage 3 (2/3)
00098000:10064F:00000001:00000000  Stage 3 (3/3)
00190000:100640:00000A80:00000000  Stage 4
00098000:100647:00000003:00000000  Stage 4 (2/3)
00098000:10064F:00000001:00000000  Stage 4 (3/3)
00190000:100640:00000F00:00000000  Stage 5
00098000:100647:00000004:00000000  Stage 5 (2/3)
00098000:10064F:00000001:00000000  Stage 5 (3/3)
00190000:100640:00001500:00000000  Stage 6
00098000:100647:00000005:00000000  Stage 6 (2/3)
00098000:10064F:00000001:00000000  Stage 6 (3/3)
00000301:100645:00000001:FFFFFFFF  Select Current Loop
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