RoboCop pirate cart
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- zoinknoise
- Posts: 50
- Joined: Fri Mar 04, 2016 9:43 am
- Location: Ice Cream Island
RoboCop pirate cart
picked up another batch of Fami pirates, and found this one in the bunch. looks to be from late 1989, soon after the JP release. original mapper was MMC3 but not sure what this discrete mapper is.
the game has been hacked, at least a little, to modify the title screen and add in a level select code. i can dump it if necessary.Re: RoboCop pirate cart
That might be mapper 105 106, oddly enough.
Last edited by lidnariq on Wed Oct 19, 2022 12:00 am, edited 1 time in total.
Reason: braino
Reason: braino
Re: RoboCop pirate cart
I don't think it could be mapper 105.
It looks like it might be a subset of MMC3 with a different IRQ. I'm not sure if it's actually compatible with MMC3 or just MMC3-like, though.
It looks like it might be a subset of MMC3 with a different IRQ. I'm not sure if it's actually compatible with MMC3 or just MMC3-like, though.
- krzysiobal
- Posts: 1037
- Joined: Sun Jun 12, 2011 12:06 pm
- Location: Poland
- Contact:
Re: RoboCop pirate cart
Code: Select all
REGISTERS:
$8000 [....PPPP]
$8001 [....PPPP]
$8002 [....PPPP]
$8010 [MCCCCCCC]
+-------- nametable at $2000
$8011 [MCCCCCCC]
+-------- nametable at $2400
$8012 [MCCCCCCC]
+-------- nametable at $2800
$8013 [MCCCCCCC]
+-------- nametable at $2c00
$8020 [.CCCCCCC]
$8021 [.CCCCCCC]
$8022 [.CCCCCCC]
$8023 [.CCCCCCC]
$8030 [........] - writing will enable interrupts and start counter (after 16384 M2 cycles, IRQ is asserted)
$8040 [........] - writing will acknowledge irq, disable irqs, reset and stop counter
PRG:
$8000|$a000|$c000|$e000
-----+-----+-----+-----
{8000|$8001|$8002| {-1}
CHR:
$0000|$0400|$0800|$0c00|$1000|$1400|$1800|$1c00
-----+-----+-----+-----+-----+-----+-----+-----
$8010|$8011|$8012|$8013|$8020|$8021|$8022|$8023
* PPU /A13 is taken into account, PPU A13 is not
* GND2 (pin 16) is not routed to anything at all
* CHR A15 and CHR A16 are reversed
My website: http://krzysiobal.com | My NES/FC flashcart: http://krzysiocart.com
- zoinknoise
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- Location: Ice Cream Island
Re: RoboCop pirate cart
thanks krzysiobal. you need a section of your website with all your schematics! you have done so many mappers by now~
Re: RoboCop pirate cart
something like mapper #417
just a bit difference about the mirroring address and IRQ counting
I don't know if these mappers are from the same design-house, but they seem very similar.
Mapper #106 - pirate Super Mario Bros. III
Mapper #117 - FutureMedia
Mapper #127 - pirate Double Dragon II - The Revenge
Mapper #417 - pirate Batman: The Video Game
Mapper #??? - pirate Robocop
Mapper #??? - pirate Nekketsu Monogatari
They might be a large family, with little difference between all variants: some are address lines interleaving, some are IRQ counter preload or overflow values, and some are advanced control modes (1-bit bank switching) of mirroring
just a bit difference about the mirroring address and IRQ counting
I don't know if these mappers are from the same design-house, but they seem very similar.
Mapper #106 - pirate Super Mario Bros. III
Mapper #117 - FutureMedia
Mapper #127 - pirate Double Dragon II - The Revenge
Mapper #417 - pirate Batman: The Video Game
Mapper #??? - pirate Robocop
Mapper #??? - pirate Nekketsu Monogatari
They might be a large family, with little difference between all variants: some are address lines interleaving, some are IRQ counter preload or overflow values, and some are advanced control modes (1-bit bank switching) of mirroring
Last edited by aquasnake on Thu Oct 20, 2022 3:43 am, edited 3 times in total.
Re: RoboCop pirate cart
The ABBA team is also an organization that pirated many games. Enter ABBA in the game start menu as the password to select stage.
This team specialized in piracy of enhanced chip carts, such as vrc4 and fme7, and simplified the circuit through changing mapper design
This team specialized in piracy of enhanced chip carts, such as vrc4 and fme7, and simplified the circuit through changing mapper design
- zoinknoise
- Posts: 50
- Joined: Fri Mar 04, 2016 9:43 am
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Re: RoboCop pirate cart
there is definitely a connection with this cart to whoever did mapper 417. the wiki says that the Batman hack for mapper 417 was made by "Fine Studio." the PCB of this RoboCop pirate has "Fine Studio" printed on the back.
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Re: RoboCop pirate cart
If you decide to make the dump available, I will gladly assign a submapper to mapper 417.
- zoinknoise
- Posts: 50
- Joined: Fri Mar 04, 2016 9:43 am
- Location: Ice Cream Island
Re: RoboCop pirate cart
really, this cart has not been dumped yet? in that case, it's my pleasure to preserve it. i just desoldered the ROMs and dumped them now. please let me know if there are any problems.
- Attachments
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- robocop pirate 4M.bin
- (128 KiB) Downloaded 40 times
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- robocop pirate 4L.bin
- (128 KiB) Downloaded 38 times
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- Joined: Thu May 19, 2005 11:30 am
Re: RoboCop pirate cart
Two corrections:
- "writing will enable interrupts and start counter (after 16384 M2 cycles, IRQ is asserted)" <- 4096, not 16384.
- "robocop pirate 4L.bin" has A15 and A16 swapped.
- zoinknoise
- Posts: 50
- Joined: Fri Mar 04, 2016 9:43 am
- Location: Ice Cream Island
Re: RoboCop pirate cart
okay, i dumped it again. let me know if it's ok.
- Attachments
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- robocop pirate 4L v2.bin
- (128 KiB) Downloaded 34 times
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- Posts: 1510
- Joined: Thu May 19, 2005 11:30 am
Re: RoboCop pirate cart
Thank you, but you need not have done that; I swapped the address line in the previous dump myself.
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- Posts: 1510
- Joined: Thu May 19, 2005 11:30 am
Re: RoboCop pirate cart
Added mapper 417 submapper 1.