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== Hardware ==

...Baby" (really Bio Miracle Bokutte Upa). While they likely used different hardware, they can both be encompassed by a single mapper. ...gers after 24576 ($6000) have elapsed. FCEUX's source implies that the IRQ hardware is a 15-bit counter, and IRQ is asserted while the two MSBs are set, i.e. i

As the interface hardware was never released commercially, the information on this page is based on o == Hardware ==

=== Hardware behaviors === * [[Visual 2C02]]: A hardware-level PPU simulator

== Hardware interface == There are (at least) two hardware revisions of the PCB inside, [http://archive.is/r170z] <!-- formerly http:/

== Hardware ==

...24 selects between PRG-ROM (0) and 64 KiB of PRG-RAM (1), which the OneBus hardware can map to both CPU and PPU address space.

== Hardware interface ==

== Hardware ==

== Hardware mapping ==

== Hardware == It is very likely that the support hardware is a [[74161|74HC161]] latch and a [[7400|74HC00]] quad NAND gate, based on

...though these games can evidently be emulated as a weird kind of GNROM, the hardware does something quite different: ...e PCB, with no ASIC. They were also released in other regions on different hardware, and ''only'' Gluk's editions are compatible with the above-mentioned CHR b

== Hardware ==

== Hardware ==

== Hardware == ...3 to be used to select up to 512 KB of PRG ROM for an oversized AxROM. In hardware this could be implemented by using an octal latch in place of the quad latc

...ed by emulators (to indicate to themselves that they are emulating the FDS hardware).

== Hardware ==

The underlying hardware is a little more capable, but is wired in a way such that that is inaccessi

...but a 300Ω resistor was added between CPU D0 and the combination of mapper hardware and ROM. This addition means that ''only'' the ROM's ''least significant bi

* PRG ROM size: Hardware supports at most 256 KiB * CHR ROM size: Hardware supports at most 128 KiB