Forums

Shadow Dancer doesn't work on RetroArch for either Arcade (MAME) or SMS (Genesis Plus GX).
I've obtained ROMs from 2 different sources for the SMS, which work fine on Dega and Kega Fusion, but RetroArch doesn't see them (or the Arcade version) as Content - even when I use RetroArch Playlist Buddy. And when I pre-load the Cores, they don't recognize them (when loading from a playlist) - the screen goes dark and the game doesn't start.
Can anyone help? It's really frustrating when everything else works, and you just finished Shinobi...

Try a newer version of RetroArch? If the game runs fine in Emulicious or Fusion then there is nothing wrong with the rom.

You are using an unzipped rom, right?

I've just finished getting this game to work in my own emulator.

Where other games set up the Z80's stack pointer themselves, Shadow Dancer appears to rely on the BIOS having set up the stack pointer for it.

If this game didn't work on the RetroArch core that you are using, there is a chance that it is not setting up the Z80 stack pointer before starting the game.

I guess this may be covered by enabling an option to use a BIOS. It also means the BIOS has to put the stack in certain locations expected by the game...

JoppyFurr wrote

I've just finished getting this game to work in my own emulator.

Where other games set up the Z80's stack pointer themselves, Shadow Dancer appears to rely on the BIOS having set up the stack pointer for it.

If this game didn't work on the RetroArch core that you are using, there is a chance that it is not setting up the Z80 stack pointer before starting the game.

Have to wonder how common of a problem it was, as I hear the Genesis Power Base converter had to put some kind of wiring logic in JUST to effectively run a few Z80 instructions to initialize the stack.

Early Game Gears also don’t have any stack initialisation so I imagine it doesn’t work on them either.

Author	Message
Forge Joined: 01 Oct 2019 Posts: 9 Location: Canada	SMS Shadow Dancer doesn't work in RetroArch Posted: Tue Oct 01, 2019 2:11 am
Forge Joined: 01 Oct 2019 Posts: 9 Location: Canada	Shadow Dancer doesn't work on RetroArch for either Arcade (MAME) or SMS (Genesis Plus GX). I've obtained ROMs from 2 different sources for the SMS, which work fine on Dega and Kega Fusion, but RetroArch doesn't see them (or the Arcade version) as Content - even when I use RetroArch Playlist Buddy. And when I pre-load the Cores, they don't recognize them (when loading from a playlist) - the screen goes dark and the game doesn't start. Can anyone help? It's really frustrating when everything else works, and you just finished Shinobi...

IllusionOfMana Joined: 08 Sep 2018 Posts: 270	Posted: Tue Oct 01, 2019 2:08 pm
IllusionOfMana Joined: 08 Sep 2018 Posts: 270	Try a newer version of RetroArch? If the game runs fine in Emulicious or Fusion then there is nothing wrong with the rom.

D Joined: 01 Apr 2005 Posts: 252 Location: Almere, The Netherlands	Posted: Fri Oct 04, 2019 11:27 am
	You are using an unzipped rom, right?

JoppyFurr Joined: 11 Mar 2018 Posts: 75 Location: New Zealand	Posted: Fri Oct 09, 2020 11:16 am
	I've just finished getting this game to work in my own emulator. Where other games set up the Z80's stack pointer themselves, Shadow Dancer appears to rely on the BIOS having set up the stack pointer for it. If this game didn't work on the RetroArch core that you are using, there is a chance that it is not setting up the Z80 stack pointer before starting the game.

Maxim Site Admin Joined: 19 Oct 1999 Posts: 14769 Location: London	Posted: Fri Oct 09, 2020 11:34 am
	I guess this may be covered by enabling an option to use a BIOS. It also means the BIOS has to put the stack in certain locations expected by the game...

KingMike Joined: 14 Oct 2008 Posts: 517	Posted: Sat Oct 10, 2020 3:24 am
KingMike Joined: 14 Oct 2008 Posts: 517	JoppyFurr wrote I've just finished getting this game to work in my own emulator. Where other games set up the Z80's stack pointer themselves, Shadow Dancer appears to rely on the BIOS having set up the stack pointer for it. If this game didn't work on the RetroArch core that you are using, there is a chance that it is not setting up the Z80 stack pointer before starting the game. Have to wonder how common of a problem it was, as I hear the Genesis Power Base converter had to put some kind of wiring logic in JUST to effectively run a few Z80 instructions to initialize the stack.

Maxim Site Admin Joined: 19 Oct 1999 Posts: 14769 Location: London	Posted: Sat Oct 10, 2020 7:16 am
	Early Game Gears also don’t have any stack initialisation so I imagine it doesn’t work on them either.

Forums

View topic - SMS Shadow Dancer doesn't work in RetroArch