02671: All sets in saturn.c: Speed slowdown

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
02671	Speed	Minor	Always	Nov 24, 2008, 14:17	Dec 6, 2008, 19:36

Tester	Scagazza	View Status	Public	Platform	MAME (Self-compiled)
Assigned To		Resolution	No change required	OS
Status [?]	Closed			Driver	sega/saturn.cpp
Version	0.128u4	Fixed in Version		Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	02671: All sets in saturn.c: Speed slowdown
Description	rsgun: There is a great speed slowdown in this game, I don't know if it is caused by SH2 core problem, I have tested another STV game shanhigw and everything is normal.
Steps To Reproduce
Additional Information	stv.c merged into saturn.c in 0.142u2
Github Commit

Flags
Regression Version
Affected Sets / Systems	All sets in saturn.c

Attached Files

No.03103 Tafoid Administrator Nov 24, 2008, 14:27	Please refer to the whatsnew.txt for this version (0.128u4): * Removed all the read/write handler speed-up hacks, they aren't needed anymore and they were doing more damage than being useful. All ST-V games will run slower now. There is nothing that can be done at this time. Depending on the rewrite status - the speed ups might never return. Stick to an older version (0.128) if you want ST-V games.
No.03242 Kale Developer Dec 6, 2008, 19:36	Speed-ups aren't my concern,it's really likely that I'm not going to re-add them. If somebody else will re-add them AFTER the irq rewrite then we'll see if we need them...

No.03103

Tafoid

Administrator

Nov 24, 2008, 14:27

Please refer to the whatsnew.txt for this version (0.128u4):

* Removed all the read/write handler speed-up hacks, they aren't
needed anymore and they were doing more damage than being useful.

All ST-V games will run slower now. There is nothing that can be done at this time. Depending on the rewrite status - the speed ups might never return.
Stick to an older version (0.128) if you want ST-V games.

No.03242

Kale

Developer

Dec 6, 2008, 19:36

Speed-ups aren't my concern,it's really likely that I'm not going to re-add them. If somebody else will re-add them AFTER the irq rewrite then we'll see if we need them...