05936: sammymdl: Crash with exception

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
05936	Crash/Freeze	Critical (emulator)	Always	May 7, 2015, 20:05	May 8, 2015, 03:14

Tester	Tafoid	View Status	Public	Platform	MAME (Official Binary)
Assigned To	Robbbert	Resolution	Fixed	OS	Windows Vista/7/8 (64-bit)
Status [?]	Resolved			Driver	sigma/sigmab98.cpp
Version	0.161	Fixed in Version	0.162	Build	64-bit
		Fixed in Git Commit		Github Pull Request #

Summary	05936: sammymdl: Crash with exception
Description	This BIOS set crashes and give exception/stack trace. Exception at EIP=0000000000C35260 (sigmab98_state::draw_sprites(bitmap_ind16&, rectangle const&, int)+0x0060): ACCESS VIOLATION Stack crawl: 00000000002287C0: 0000000000C35260 (sigmab98_state::draw_sprites(bitmap_ind16&, rectangle const&, int)+0x0060) 0000000000228890: 0000000000C355EC (sigmab98_state::screen_update_sigmab98(screen_device&, bitmap_ind16&, rectangle const&)+0x004c) 00000000002288E0: 0000000001AEE823 (screen_device::update_partial(int)+0x00c3) 0000000000228950: 0000000001BD581B (video_manager::finish_screen_updates()+0x018b) 00000000002289D0: 0000000001BD7861 (video_manager::frame_update(bool)+0x01c1) 0000000000228A30: 0000000001AEF6BE (screen_device::vblank_begin()+0x02de) 0000000000228AA0: 0000000001AEF975 (screen_device::device_timer(emu_timer&, unsigned int, int, void)+0x0265) 0000000000228B40: 0000000001A87F29 (device_scheduler::timeslice()+0x0179) 0000000000228BA0: 0000000001B053A8 (running_machine::run(bool)+0x0158) 000000000022F690: 0000000001B1B97B (machine_manager::execute()+0x024b) 000000000022F840: 0000000001BA731B (cli_frontend::execute(int, char)+0x0d9b) 000000000022FDF0: 0000000000FD8E94 (utf8_main(int, char*)+0x0174) 000000000022FE50: 0000000001EE0D4E (wmain+0x007e) 000000000022FF20: 00000000004013CA (__tmainCRTStartup+0x024a) 000000000022FF50: 00000000004014F8 (mainCRTStartup+0x0018) 000000000022FF80: 00000000774459CD (BaseThreadInitThunk+0x000d) 000000000022FFD0: 000000007757B891 (RtlUserThreadStart+0x0021)
Steps To Reproduce
Additional Information
Github Commit

Flags
Regression Version	0.161
Affected Sets / Systems	sammymdl

Attached Files

No.11664 Robbbert Senior Tester May 8, 2015, 03:14	Crashed before debugger could start. It needed a driver_init, same as everything else in the driver.