SpectrumDS

SpectrumDS
General
Author	Buzz
Type	Computer
Version	2009
License	Mixed
Last Updated	2009/04/20
Links
Download
Website

A 48K Spectrum emulator port that was made for Linux/Windows, adapted to work on Nintendo DS.

It was written with the following tools: devkitARM release 20, PAlib070717, Linker R4 DS.

Features

• Full emulation of the 48K ZX Spectrum.
• Support of snapshots files on SNA format.
• Sound management.
• Virtual keyboard managed with a Stylus.
• SNA files browsing.
• Joystick interfaces: Sinclair 1&2, Cursor and Kempston.
• Automatic games set-up.
• 50 FPS.
• Possible loading of another ROM.

Installation

Copy the bin/SpectrumDS.nds file to the root of your memory card.

Then create a /sna/ directory at the same place as the binary and place the snapshot files in SNA format there.

To facilitate the selection of SNAs in the emulator, you can place a screenshot of the game in this directory. This file must be in 128X96 pixels GIF format and have the same name as the sna file.

Example: ChuckEgg.sna and ChuckEgg.gif

User guide

Operation

Top screen:

• The top screen represents the Spectrum screen.

Bottom screen:

• In Spectrum mode, the bottom screen simulates the spectrum keyboard.
• You will hear a clicking sound when you press a key.
• Pressing the Start key allows you to access the SNA file loading and configuration panel.
• To start a game, click on the image in the center.

Configurations

Config file:

• It is possible to define a configuration file.
• This file is used to define the interface to use joystick and define a sequence of keys to launch the snapshot.
• The spectrum.cfg file must be placed in the /sna/ directory.

Syntax:

<SNA> <JOYSTICK> <SEQUENCE> <SEQUENCE>...

• SNA - Name of snapshot file. Example: ChuckEgg.sna
• JOYSTICK - Can take one of the following values. KEMPSTON, CURSOR, SINCLAIR_1 or SINCLAIR_2.
• SEQUENCE- #<value> <key>
  • <value>: Half-seconds to wait for each value. Example: #4 corresponds to a wait of 2 seconds.
  • <key>: Name of the simulated key.

Configuration example:

BountyBo.sna KEMPSTON #1 R #1 7 #1 6 #1 5 #1 8 #1 0
ChuckEgg.sna CURSOR #1 R #1 7 #1 6 #1 5 #1 8 #1 0 #1 S #6 1
ProjectF.sna CURSOR #8 3 #2 4
RollerCo.sna KEMPSTON
TheAlche.sna KEMPSTON
TheCoven.sna SINCLAIR_2
WizardsL.sna KEMPSTON

Tips

• When launching the emulator for the first time, rather than selecting a snapshot, click on the icon at the top left. You will launch the Spectrum in basic interpreter mode.
• You can activate/deactivate the automatic configuration by clicking on the Gear icon.
• You can activate/deactivate the sound by clicking on the Musical Note icon.
• Frames per second (FPS) can be displayed if you press the R button.

Controls

Select - Change the joystick emulation interface

Start - Access the selection panel SNA files and settings

X - Shoot, Action

D-Pad - Movement

External links

• Author's website - http://buzz.computer.free.fr/index.php?post/2009/04/20/Emulateur-Spectrum-48K-pour-NDS