Apple on your DS: Apple II Emulator

Posted Sep 3, 2008 at 5:31AM EST by QJ Staff

Listed in: Nintendo DS Tags: emulation, joysticks

GrizzlyAdams has coded a brand new emulator for DS users to try out. It's an Apple II Emulator built specifically for the DS, and it looks pretty nifty.

As GrizzlyAdams put it,

The Apple II is a challenge to emulate because of the many hardware tricks implemented by Steve Wozniak. It was because of these quirks that the Apple was more affordable than many of its competitors.

I would have loved to have the disk emulation and other minor bugs fixed so that classics such as Oregon Trail, Number Munchers, Karateka, and Prince of Persia could be played. I plan to continue working on this emulator for the coming months. All feedback is welcome.

Below are the specs for this emulator:

What's Implemented:

Apple II+ Hardware
MOS 65C02 CPU (Written in 100% ARM Assembly)
Text, LoRes, HiRes, Mixed graphics
Onscreen Keyboard
12 Built-In Applesoft Demos
Apple 16KB RAM "Language Card"

What's Missing:

Sound (It just recently broke)
Disk Controllers (Almost working, but disabled for now)

Planned Features:

DS Slot-2 RAM expanders used as Apple "Slinky" RAM Expansion
Harddisks and 3.5" Floppy support for ProDOS
Multiple Mockingboards / Phasor Soundcards
Tape In / Tape Out
Apple II, IIe, //c Emulation
Z80 Card
MIDI Interfaces

Control Mapping:

Keyboard Tab:
- Touchscreen = Keyboard
- Start = Menu
- Defaults to Control-Reset and Shift-Mods enabled.
Joystick Tab:
- Touchscreen = Player 0 & 1 Analog Joysticks
- DPAD = Player 0 Digital Joystick
- Buttons = Player 1 Digital Joystick
- L = Player 0 Button
- R = Player 1 Button
- Start = Menu
- Defaults to Auto-Center enabled.
- Select = Fullscreen Analog Joystick Mode Toggle
Demo Tab:
- Icon / A Button = Demo List
- DPAD / A / B = Demo List controls
Menu Tab:
- System Icon = Display Profile, Soft/Hard Reset
- Peripheral Icon = Display Slot Contents

Download: Apple II Emulator

Via RetroEmu

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Apple on your DS: Apple II Emulator

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