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np2-ios - Neko Project II, a PC-9801 emulator for iOS

This is a port/fork of Neko Project II, a PC-9801 emulator, made specifically for iOS devices. The original source is here.

The original source included a functional iOS port already, thanks to being built on top of SDL. I wanted to have better support for an on-screen keyboard and remapping controls to an mFi controller, and it was just easier for me to use UIKit instead of having to write something on top of SDL. I know it makes it less platform independent, but hey I am lazy and selfish and just want to get this running on my iPhone :)

How to build

You need to build the required SDL library, libSDL2.a, in Xcode first. SDL source includes an Xcode project with a libSDL2 target that you can use for an iOS device or Simulator. Put the libSDL2.a file in sdl2/iOS/SDL2/lib/libSDL2.a.

Running

Copy the included font.tmp file to the Documents directory of the app, using iTunes or iExplorer. This is so that the text is rendered on the screen correctly.

Controls

  • Tap near the bottom of the screen to show an onscreen keyboard.
  • Onscreen keyboard includes an option to Remap keyboard controls to mFi controller
  • Mouse left click: tap on screen
  • Mouse movement: drag finger on screen
  • Mouse click-drag: double tap, hold, and drag finger
  • Mouse right click: tap with 2 fingers
  • The config menu is opened via the "menu" button on the onscreen keyboard (use the "fn" key for more keys)
  • Use the config menu to open a disk image, and then go to Emulate -> Reset