PSEmu Pro

PSEmu Pro

Developer(s)	Duddie, Kazzuya and Tratax
Initial release	October 19, 1997
Stable release	1.0.21 / March 02, 1999
Development status	Discontinued
Operating system	MS-DOS, Microsoft Windows
Available in	English
Type	Video game console emulator
License	Freeware
Website	www.psemu.com (archive)

PSEmu Pro was a PlayStation emulator. It has been discontinued since 1999. However, its plugin interface is still used on most recent emulators^[1][2] such as ePSXe^[3] and PCSX.^[4]

Plugin interface

The interface defined in the PSEmu Plugin Development Kit is used to create plugins. The following functions are present on all types of plugins.

PSEgetLibName	Returns a pointer to a string containing the library name.
PSEgetLibType	Returns the library type. It can be GPU, SPU, CDR or PAD.
PSEgetLibVersion	Returns the library version.

GPU

GPUinit	Initializes the GPU plugin.
GPUshutdown	Shuts down the library.
GPUmakeSnapshot	Takes a snapshot of the screen.
GPUopen	Called when the game starts. It receives the window handle as parameter.
GPUclose	Called when the game stops.
GPUupdateLace	Called on V-sync (vertical synchronization). It can be used to avoid tearing.
GPUreadStatus	Read requests.
GPUwriteStatus	Write requests.
GPUreadData	Reads from VRAM.
GPUreadDataMem	Reads chunks of data from VRAM.
GPUwriteData	Writes to VRAM.
GPUwriteDataMem	Write chunks of data to VRAM.
GPUsetMode	Sets the transfer mode. (obsolete)
GPUgetMode	Gets the transfer mode. (obsolete)
GPUdmaChain	DMA.
GPUconfigure	Shows the configure dialog.
GPUabout	Shows the about dialog.
GPUtest	Tests if the plugin is working correctly and shows a dialog.
GPUdisplayText	Debug.
GPUdisplayFlags	Flags.
GPUfreeze	Pauses the emulation.

References

1. "Pete's older Fairy Tales". Pete Bernert. 6 Sep 2012.
2. "PSEmu/PSEmu Pro". Zorphar's Domain. 25 Aug 2012.
3. "ePSXe FAQ". ePSXe. 6 Sep 2012.
4. "PCSX Status". PCSX. 6 Sep 2012.

External links

• PSEmu original website on web archive.
• Pete Bernert's plugin development page.