PowerPak: Difference between revisions

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(→‎Offical Mappers V1.34: supported mapper list)
(→‎Offical Mappers V1.34: up to 40 described)
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Supported mappers:
Supported mappers:
* ([[iNES Mapper 000|0]])
* [[NROM]] ([[iNES Mapper 000|0]])
* ([[iNES Mapper 000|1]])
* [[MMC1]] ([[iNES Mapper 001|1]])
* ([[iNES Mapper 000|2]])
* [[UxROM]] ([[iNES Mapper 002|2]])
* ([[iNES Mapper 000|3]])
* [[CNROM]] ([[iNES Mapper 003|3]])
* ([[iNES Mapper 000|4]])
* [[MMC3]] ([[iNES Mapper 004|4]])
* ([[iNES Mapper 000|5]], buggy)
* [[MMC5]] ([[iNES Mapper 005|5]], buggy)
* ([[iNES Mapper 000|7]])
* [[AxROM]] ([[iNES Mapper 007|7]])
* ([[iNES Mapper 000|9]])
* [[MMC2]] ([[iNES Mapper 009|9]])
* ([[iNES Mapper 000|10]])
* [[MMC4]] ([[iNES Mapper 010|10]])
* ([[iNES Mapper 000|11]])
* [[Color Dreams]]([[iNES Mapper 011|11]])
* ([[iNES Mapper 000|13]])
* [[CPROM]] ([[iNES Mapper 013|13]])
* ([[iNES Mapper 000|19]])
* [[N163]] ([[iNES Mapper 019|19]])
* ([[iNES Mapper 000|21]])
* [[VRC4]] ([[iNES Mapper 021|21]])
* ([[iNES Mapper 000|22]])
* [[VRC2]] ([[iNES Mapper 022|22]])
* ([[iNES Mapper 000|23]], buggy)
* VRC2/VRC4 ([[iNES Mapper 023|23]], buggy)
* ([[iNES Mapper 000|24]])
* [[VRC6]] ([[iNES Mapper 024|24]])
* ([[iNES Mapper 000|25]])
* VRC2/VRC4 ([[iNES Mapper 025|25]])
* ([[iNES Mapper 000|34]])
* [[BNROM]]/[[NINA-001]] ([[iNES Mapper 034|34]])
* ([[iNES Mapper 000|40]])
* SMB2j Pirate ([[iNES Mapper 040|40]])
* ([[iNES Mapper 000|41]])
* ([[iNES Mapper 041|41]])
* ([[iNES Mapper 000|50]])
* ([[iNES Mapper 050|50]])
* ([[iNES Mapper 000|61]])
* ([[iNES Mapper 061|61]])
* ([[iNES Mapper 000|64]])
* ([[iNES Mapper 064|64]])
* ([[iNES Mapper 000|66]])
* ([[iNES Mapper 066|66]])
* ([[iNES Mapper 000|67]])
* ([[iNES Mapper 067|67]])
* ([[iNES Mapper 000|68]])
* ([[iNES Mapper 068|68]])
* ([[iNES Mapper 000|69]])
* ([[iNES Mapper 069|69]])
* ([[iNES Mapper 000|70]])
* ([[iNES Mapper 070|70]])
* ([[iNES Mapper 000|71]])
* ([[iNES Mapper 071|71]])
* ([[iNES Mapper 000|72]])
* ([[iNES Mapper 072|72]])
* ([[iNES Mapper 000|74]])
* ([[iNES Mapper 074|74]])
* ([[iNES Mapper 000|75]])
* ([[iNES Mapper 075|75]])
* ([[iNES Mapper 000|76]])
* ([[iNES Mapper 076|76]])
* ([[iNES Mapper 000|77]])
* ([[iNES Mapper 077|77]])
* ([[iNES Mapper 000|78]])
* ([[iNES Mapper 078|78]])
* ([[iNES Mapper 000|79]])
* ([[iNES Mapper 079|79]])
* ([[iNES Mapper 000|80]])
* ([[iNES Mapper 080|80]])
* ([[iNES Mapper 000|81]])
* ([[iNES Mapper 081|81]])
* ([[iNES Mapper 000|82]])
* ([[iNES Mapper 082|82]])
* ([[iNES Mapper 000|86]])
* ([[iNES Mapper 086|86]])
* ([[iNES Mapper 000|87]])
* ([[iNES Mapper 087|87]])
* ([[iNES Mapper 000|88]])
* ([[iNES Mapper 088|88]])
* ([[iNES Mapper 000|89]])
* ([[iNES Mapper 089|89]])
* ([[iNES Mapper 000|92]], buggy)
* ([[iNES Mapper 092|92]], buggy)
* ([[iNES Mapper 000|93]])
* ([[iNES Mapper 093|93]])
* ([[iNES Mapper 000|94]])
* ([[iNES Mapper 094|94]])
* ([[iNES Mapper 000|95]], buggy)
* ([[iNES Mapper 095|95]], buggy)
* ([[iNES Mapper 000|96]], buggy)
* ([[iNES Mapper 096|96]], buggy)
* ([[iNES Mapper 000|97]])
* ([[iNES Mapper 097|97]])
* ([[iNES Mapper 000|99]])
* ([[iNES Mapper 099|99]])
* ([[iNES Mapper 000|105]])
* ([[iNES Mapper 105|105]])
* ([[iNES Mapper 000|112]])
* ([[iNES Mapper 112|112]])
* ([[iNES Mapper 000|113]])
* ([[iNES Mapper 113|113]])
* ([[iNES Mapper 000|118]])
* ([[iNES Mapper 118|118]])
* ([[iNES Mapper 000|119]])
* ([[iNES Mapper 119|119]])
* ([[iNES Mapper 000|133]])
* ([[iNES Mapper 133|133]])
* ([[iNES Mapper 000|144]])
* ([[iNES Mapper 144|144]])
* ([[iNES Mapper 000|151]])
* ([[iNES Mapper 151|151]])
* ([[iNES Mapper 000|161]])
* ([[iNES Mapper 161|161]])
* ([[iNES Mapper 000|180]])
* ([[iNES Mapper 180|180]])
* ([[iNES Mapper 000|184]])
* ([[iNES Mapper 184|184]])
* ([[iNES Mapper 000|185]])
* ([[iNES Mapper 185|185]])
* ([[iNES Mapper 000|188]])
* ([[iNES Mapper 188|188]])
* ([[iNES Mapper 000|228]])
* ([[iNES Mapper 228|228]])
* ([[iNES Mapper 000|229]])
* ([[iNES Mapper 229|229]])
* ([[iNES Mapper 000|231]])
* ([[iNES Mapper 231|231]])
* ([[iNES Mapper 000|232]])
* ([[iNES Mapper 232|232]])
* ([[iNES Mapper 000|234]])
* ([[iNES Mapper 234|234]])
* ([[iNES Mapper 000|240]])
* ([[iNES Mapper 240|240]])
* ([[iNES Mapper 000|241]])
* ([[iNES Mapper 241|241]])
* ([[iNES Mapper 000|242]])
* ([[iNES Mapper 242|242]])
* ([[iNES Mapper 000|243]])
* ([[iNES Mapper 243|243]])
* ([[iNES Mapper 000|246]])
* ([[iNES Mapper 246|246]])


Known problems:
Known problems:

Revision as of 09:45, 29 July 2015

The PowerPak is a flash cartridge made by RetroUSB. It uses an FPGA to emulate a wide variety of mappers, allowing the user to store a large collection of ROMs on a single Compact Flash card and run them on an NES. It is widely used by homebrew NES developers to test their software.

In addition to NES ROMs, the PowerPak is able to play FDS disk images, as well as NSF music files.

Specifications:

  • PRG size: 512 KB (252 KB for NSF)
  • CHR size: 512 KB

Product page: http://www.retrousb.com/product_info.php?products_id=34

Mapper Compatibility

The PowerPak mappers have undergone several revisions, gradually improving compatibility. After official development ceased in 2010, Loopy and TheFox have each created a supplemental set of PowerPak mappers to improve its capabilities.

Power Mappers

TheFox created a set of revised PowerPak mappers to supplement or augment the existing ones, most notably adding a savestate feature.

Download: http://kkfos.aspekt.fi/projects/nes/powerpak/powermappers/

Known problems:

  • MMC3 IRQ can cause shaky status bars and similar problems on some systems.

Loopy's Mappers

Loopy released a set of revised PowerPak mappers in 2011, adding fixes and additional support for a several mappers:

Download: https://home.comcast.net/~olimar/NES/powerpak_loopy.zip

Notes:

  • This mapper 4 implementation supports both Startropics and Low G Man.

Offical Mappers V1.34

The last official release of mappers was in 2010. It supports a wide variety of popular mappers.

Download: http://www.retrousb.com/product_info.php?products_id=34

Supported mappers:

Known problems:

  • Mapper 4 does not support Startropics. (See mapper 4 and MMC6.)
  • Mapper 5 (MMC5) is incomplete, and fails to run most MMC5 games.
  • Mapper 23 (VRC2/4 variants) is listed as buggy.
  • Mapper 92 (Jaleco-JF variant) is listed as buggy.
  • Mapper 95 (Namcot-3425) is listed as buggy.
  • Mapper 96 (Oeka Kids tablet) is listed as buggy.

Development limitations

Aside from mapper incompatibility, there are minor differences between running NES programs on the PowerPak versus a traditional single-game cartridge.

  • The PowerPak does not accurately simulate power-on state. Because power-on always boots the PowerPak menu, RAM and various registers will be initialized to a consistent state before any NES ROM is chosen to run. (Reset state, howevere, is not affected by this problem.)
  • Open bus behavior may be different in several memory regions that are used by the PowerPak, but would not be connected on a regular cartridge.
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