DeSmuME PSP Unofficial Useless Edition - Nintendo DS Emulator for the PSP

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Originally Posted by Sektor

This is a really slow Nintendo DS emulator for Sony PSP.

I made some minor changes to SofiyaCat's release:

• Made sound optional
• Added controls
• Enabled FPS counter
• Set CPU to 333Mhz
• Added exit callback

It's still painfully slow (usually under 3.5 FPS). I don't have the knowledge to speed it up. It would require a major rewrite to get over 20 FPS.

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Controls:

PSP_CTRL_CIRCLE = A
PSP_CTRL_CROSS = B
PSP_CTRL_SELECT = Select
PSP_CTRL_START = Start
PSP_CTRL_DOWN = Right
PSP_CTRL_UP = Left
PSP_CTRL_RIGHT = Up
PSP_CTRL_LEFT = Down
PSP_CTRL_RTRIGGER = R / toggle touch
PSP_CTRL_LTRIGGER = L
PSP_CTRL_TRIANGLE = X
PSP_CTRL_SQUARE = Y

Analog nub for moving touch position (I didn't bother to add a cursor)
Table Hockey Tech Demo has a cursor built in, so you can "play" it at around 3 FPS

1.5 firmware:
Copy __SCE__DeSmuME_Useless and %__SCE__DeSmuME_Useless to ms0:/psp/game

3.x M33 firmware:
Copy DesmuME_Useless folder to ms0:/psp/game

NDS file must be named test.nds and in the same folder as eboot.pbp
You don't need any bios files.

Credits:
YopYop156, evilynux and DeSmuME team for creating this DS emulator
SofiyaCat/NekoMiMi for porting DeSmuME to Sony PSP
Everyone who contributed to the PSP toolchain/libs and anyone else I forgot
Sektor for creating the Useless Edition fork (modified main.c and ctrlssdl.c)

Links:
SofiyaCat's site: http://nekomimi.cafe.coocan.jp/wiki/...C3%D6#a24210f3
Sektor's site: http://GTAMP.com/PSP

Compatibility listing here. Many games won't even start and the ones that do start take minutes to load. It's too slow to be any fun.

Download and Give Feedback Via Comments

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how to put on games ????

If someone could just get a full version of that to play on the PSP, it would be awsome, its simple game, just needs someone who knows that hacking stuff, i don't. i want to tho, anyways, someone try that, it would be awsome.!

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Originally Posted by elvandar

how to put on games ????

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NDS file must be named test.nds and in the same folder as eboot.pbp
You don't need any bios files.

Anyone else working on this.?

What do you need the compile the source to a eboot file.

I have devkitpro with devkitPSP..?

May be a broswer could be added so you can pick what nds file to run..?

Oh and a cross as the pen on the touchscreen.

what is psp_control_circle

The circle button :)

Spannernick, you can compile it with devkitPSP. You don't have to compile SDL since the SDL binaries are included with DeSmuME PSP.

what is control_psp_circle, can you translate for me

i dont understand

The PSP has buttons with shapes printed on them (Square, triangle, circle and cross). The circle is the round object that looks like an O.

PSP_CTRL_CIRCLE is just what the buttons are named in the PSP devkit. I was lazy and just copy and pasted the controls from my code. All you need to know is that to push the A button in the emulator you push O (circle) on the PSP.

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Originally Posted by dodoX

i dont understand

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Maybe you shouldn't bother...