NGPDS

	NGPDS
General
Author(s)	Fredrik Ahlström (FluBBa)
Type	Handheld
Version	0.4.8
Licence	Mixed
Links
	Download
	Website
	Source

Features

Should play most games.
Can save flash ram.

Installation

Note: You will need a bios to be able to save in game.

DLDI patch the emulator for your flashcard.

Create a folder named ngpds in either the root of your flash card or in the data folder.

Then put game/bios files into a folder where you have roms.

User guide

Currently does not have save states yet.

Note that for NDS/NDS Lite, it can only load games up to 2MB. Also it doesn't run full speed.

Load Game - Choose a game to load.
Load State - Load a previously saved state for the currently running game.
Save State - Save a state for the current game.
Load Flash RAM: Load flash ram for the currently running game.
Save Flash RAM: Save flash ram for the currently running game.
Save Settings: Save the current settings.
Reset Game: Reset the currently running game.

Options

Controller:

Autofire - Select to enable autofire.
Controller - 2P start a 2 player game.
Swap A/B - Swap which NDS button is mapped to which arcade button.

Display:

Mono Palette - You can select the palette for B & W games.
Gamma - Adjust the gamma/brightness.
Disable Foreground - Turn on/off foreground rendering.
Disable Background - Turn on/off background rendering.
Disable Sprites - Turn on/off sprite rendering.

Machine Settings:

Language - Select between Japanese and English.
Machine - Select the emulated machine.
Half cpu speed - This halves the emulated cpu speed. Can make games faster.
Change Batteries - Change to new main batteries (AA/LR6).
Change Sub Battery - Change to a new sub battery (CR2032).
Cpu speed hacks - Allow speed hacks.
Half cpu speed - This is not really recommended.
Bios Settings - Load a real NGP Bios.

Settings:

Speed - Switch between speed modes.
- Normal - Game runs at it's normal speed.
- 200% - Game runs at double speed.
- Max - Game runs at 4 times normal speed (might change in the future).
- 50% - Game runs at half speed.
Autoload State - Toggle Savestate autoloading.
Autosave Settings - Save settings when leaving menu if any changes are made.
Autopause Game - Toggle if the game should pause when opening the menu.
Powersave 2nd Screen - If graphics/light should be turned off for the GUI screen when menu is not active.
Emulator on Bottom - Select if top or bottom screen should be used for emulator, when menu is active emulator screen is always on top.
Debug Output - Show an FPS meter for now.
Autosleep - Does not work.

Controls

Menu:

L+R or Touchscreen - Open up menu

D-Pad or Touchscreen - Navigate menus

A or Double tap - Select an option

B or Top of the screen - Go back

R/L or Touchscreen - Switch between tabs

In game:

B - NGP A button

A - NGP B button

Y/Select - Power button

X/Start - Start button

Screenshots

Compatibility

Tested on iDeaS emulator.

Changelog

V0.4.8 2021/09/11

Added stereo sound.
Added speed hacks.
Optimized VRAM transfers a bit.
Optimized memory accesses a bit.

V0.4.7 2021/08/29

Various cpu fixes.
Fixed auto power on/off.

V0.4.6 2021/08/22

Added a new border on game screen.
Added new setting to lower emulated cpu speed.
Tweaked cpu register usage.
Fixed MULA opcode.

V0.4.5 2021/06/28

CPU working.
Memory working.
Graphics working.
Sound working.

V0.4.0 2021/05/18

Started port to Nintendo DS.

V0.3.0 2008/10/01

Fixed copy protection in "Metal Slug 2" (SNK logo in VRAM).
Fixed control problem in "Rockman Battle & Fighters" (MIRR opcode).
Fixed background glitch in "Memories of Pure" (HCount register).
Fixed problems with DMA probably affecting many games.

V0.2.0 2008/09/04

Added speedhacks for a lot of games.
Added emulation of batteries & sub battery.
Added RTC alarm.
Added power button (SELECT).
Added D button (R) (check "Doko Demo Mahjong").
Fixed a couple of cpu bugs affecting "Metal Slug 1" and a couple of other games.

V0.1.0 2008/07/04

Initial GBA release (NGPAdvance).

V0.0.0 2008/04/02

Started Coding.

Credits

Huge thanks to Loopy for the incredible PocketNES, without it this emu would probably never have been made.

Thanks to:

Dwedit for help and inspiration with a lot of things.

External links

GitHub - http://www.github.com/FluBBaOfWard
GBAtemp - https://gbatemp.net/download/ngpds.37181