Space Invaders '95: The Attack of Lunar Loonies
Space Invaders '95: The Attack of Lunar Loonies |
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Also known as: Akkanvader (JP) This game has debugging material. |
Taito's take on the self-spoofing style done in Konami's Parodius series.
Contents
Debug Functions
Crash Handler
This game has a basic exception handler for the standard set of exception vectors. It prints data for the program counter, status register, fifteen of the sixteen data/address registers, and the stack pointer at the point of exception.
Level Select
This game uses the Taito Code:
- Hold the Service Coin button upon booting, and wait until a "SERVICE SWITCH ERROR" message pops up on the screen.
- Press 1P Start (×3), Service Coin, 1P Start.
If successful, a stage select menu will appear, which can be navigated with the 1P Joystick. Additionally, upon selecting a stage, the player gains 9 credits.
Expanded Input Test
Normal | Full |
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Entering the Taito Code on the switch test will greatly expand the number of inputs tested to include every possible input that the F3 system supports.
Running Debug
Put the following two codes in MAME's spcinv95.xml cheat file to enable a Tilt-triggered debug menu.
<cheat desc="Ignore Checksum"> <script state="run"> <action>maincpu.mw@000FDA=0x0002</action> </script> <script state="off"> <action>maincpu.mw@000FDA=0x00AE</action> </script> </cheat> |
<cheat desc="Tilt Debug"> <script state="run"> <action>maincpu.md@000780=0x4EB90001</action> <action>maincpu.md@000784=0xEB844E75</action> </script> <script state="off"> <action>maincpu.md@000780=0x4A390041</action> <action>maincpu.md@000784=0x55BA67EC</action> </script> </cheat> |
It's a Joke
Exits the menu.
Appear
Brings up a prompt in the lower-left corner. The user picks which object to spawn with 1P Up/Down and spawns that object by pressing 1P Button 1.
No Hit
When toggled, getting hit by an enemy shot or colliding with an enemy won't kill the player.
Reset
Resets the game. Makes sense.
Otamesi SCR
Displays the raw contents of the game's foreground and background graphics ROMs.
Controls
- 1P Up/Down: Scrolls through tiles (1 row per frame).
- 1P Left/Right: Adjusts the width of each row of tiles.
- 1P Button 1 / 1P Button 2: Adjusts palette number.
- 1P Button 3 + 1P Left/Right: Scrolls through tiles (1 screen per frame).
Otamesi OBJ
Displays the raw contents of the game's sprite graphics ROMs.
Controls
- 1P Up/Down: Scrolls through tiles (1 row per frame).
- 1P Left/Right: Adjusts the width of each row of tiles.
- 1P Button 1 / 1P Button 2: Adjusts palette number.
- 1P Button 3 + 1P Left/Right: Scrolls through tiles (1 screen per frame).
Otamesi OBJTBL
Displays properly assembled sprites from the game's sprite table.
Controls
- 1P Up/Down: Adjusts sprite number by 01 per frame).
- 1P Left/Right: Toggles horizontal and vertical flip bits.
- 1P Button 1 / 1P Button 2: Adjusts palette number.
- 1P Button 3 + 1P Left/Right: Adjusts sprite number by 10 per frame.
- 2P Joystick: Repositions the sprite.
Carnage / Mongol
Both options destroy all on-screen enemies. "Carnage" jumps to a subroutine (0x01EC5E) that just jumps to an enemy-clearing subroutine (0x00503C) and exits, while "Mongol" jumps to 0x00503C directly.
Regional Differences
International | US |
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On the Continue screen, non-US sets have a referee-like creature that points his finger down in rhythm with the countdown. The US sets instead have Taito's typical Continue instructions in its place.
References
The Space Invaders series
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Arcade | Space Invaders • Space Invaders Deluxe • Return of the Invaders • Mini Vaders • Space Invaders DX (B System, F3 System) • Space Invaders '95: The Attack of Lunar Loonies |
NES | Space Invaders |
Game Boy (Color) | Space Invaders (Game Boy) • Space Invaders (Super Game Boy) • Space Invaders (Game Boy Color) |
Genesis | Space Invaders '91 |
SNES | The Original Game |
TurboGrafx-CD | The Original Game |
Virtual Boy | Virtual Collection |
Windows | The Original Game |
WonderSwan | Space Invaders |
PlayStation | Space Invaders |
Nintendo 64 | Space Invaders |
Game Boy Advance | Space Invaders |
PlayStation 2, GameCube | Space Raiders |
Plug & Play | Space Invaders |
PlayStation 3, Xbox 360 | Infinity Gene |
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