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New year and new PSX core release (Patreon)

Published:
2023-01-14 09:49:01
Imported:
2023-12

Content

Hi Everyone,

I made a new release for the PSX core from all the recent fixes. As always you find the full list of changes below. The version is available with the normal update process.

The special 2X CPU clock speed version also got a new release with all these bugfixes and new features. You can find it here:

https://github.com/RobertPeip/PSX_MiSTer/raw/main/releases/PSX2XCPU_20230114.rbf

The change list is shorter this time, because I also started to work on the new project.

I have hardware for this new system here at my desk and have set up a comfortable workflow to run any software on it directly from my computer. Because of that luxury, I have already written some assembler tests for that system to understand the low level architecture and internal behavior.

The next step will be to write a software emulator that can execute these simple tests I made and then let it grow from there on. 

Once I have the first results, I will let you know.


### PSX core release:

new features:

- add pop'n controller type (special version of digital controller)

general fixes:

- fix popping sounds when CD audio track change

- fastboot will now only have effect when a CD is inserted, so booting into bios options is still possible

- SNAC: add delay, fixes issues with certain MCs.

games affected by fixes:

- Alien Resurrection (SPU: always check irq trigger against ram transfer address, even when not transferring data)

- Parasite Eve 2 (CD: when receiving pause command while seek+read is pending, the read is no longer executed after the seek)

- DBZ Ultimate Battle 22 JP (CD: only ack 0xA command when it's not already pending)

Comments

Prime1984

Hi thanks for the quick reply does the psx core support the psx mouse? That is the controller type that the Tempest X3 game on psx uses. Their is 2 buttons on top and a button on the side of that spinner so I think that should be enough. https://en.m.wikipedia.org/wiki/PlayStation_Mouse The PSX mouse is compatible with the Tempest X3 game https://en.m.wikipedia.org/wiki/Tempest_2000#Tempest_X3 and Arkanoid Returns https://en.m.wikipedia.org/wiki/Arkanoid_Returns So if you could get the spinner to act like the PSX mouse the spinner would work. The spinner works like a mouse in the amiga core with breakout style games so I hope it can work like the psx mouse in your psx core. If so their is a whole list of games it could work with which would be really cool. Let me know if this could work and what settings I would have to use on the psx core to get it to work or if you have to add something to your core to get the spinner to work like the psx mouse. Thanks for all of your hard work let me know thanks.

Prime1984

Cool lets do it. Let me know when it is implemented in the core and where I can download it from. I can not wait to see if it works :) Let me know if you need any more info on my end.