05046: megatech, All sms-based sets in megatech.c: [debug] Crash after OK

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
05046	Crash/Freeze	Critical (emulator)	Always	Oct 27, 2012, 16:14	Oct 27, 2012, 20:05

Tester	Tafoid	View Status	Public	Platform	MAME (Self-compiled)
Assigned To	sronco	Resolution	Fixed	OS	Windows XP
Status [?]	Resolved			Driver	sega/megatech.cpp
Version	0.147u1	Fixed in Version	0.147u2	Build	Debug
		Fixed in Git Commit		Github Pull Request #

Summary	05046: megatech, All sms-based sets in megatech.c: [debug] Crash after OK
Description	Error: bad downcast<> or device<>. Tried to convert the device :snsnd of type P8device_t to a P14sn76496_device, which are incompatible.
Steps To Reproduce
Additional Information	Sets that show this message include: megatech, mt_aftrb, mt_astro, mt_asyn, mt_fz, mt_gfoot, mt_ggolf, mt_gsocr, mt_orun, mt_parlg, mt_shnbi
Github Commit

Flags	Debug build specific
Regression Version	0.147u1
Affected Sets / Systems	megatech, All sms-based sets in megatech.c

Attached Files

No.09057 hap Developer Oct 27, 2012, 18:59 edited on: Oct 27, 2012, 19:02	Yeah, this was after i made megadrive/sms use the new sn psg device. The old device didn't boot out with callers of different subdevices using the same code (eg. SN76489A and SEGAPSG). Regression was posted by Firewave on the mailinglist a few weeks ago IIRC. The sound works fine on a not-debug build btw.