01496: all segae.c drivers: Crashing with Access Violation

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
01496	Crash/Freeze	Critical (emulator)	Always	Mar 14, 2008, 00:25	Mar 14, 2008, 03:12

Tester	Firewave	View Status	Public	Platform	MAME (Self-compiled)
Assigned To		Resolution	Fixed	OS	Windows XP/Vista 64-bit
Status [?]	Resolved			Driver	sega/segae.cpp
Version	0.123u5	Fixed in Version	0.123u6	Build	Debug
		Fixed in Git Commit		Github Pull Request #

Summary	01496: all segae.c drivers: Crashing with Access Violation
Description	----------------------------------------------------- Exception at EIP=00756F10 (vicdual_characterram_r+0x4cea): ACCESS VIOLATION While attempting to read memory at 00000020 ----------------------------------------------------- EAX=00000000 EBX=081A1F08 ECX=00000000 EDX=00000000 ESI=00000000 EDI=00000000 EBP=0022FDA8 ESP=0022FD70 ----------------------------------------------------- Stack crawl: exception-> 00756F10 (vicdual_characterram_r+0x4cea) 0022FDAC: 00759192 (driver_init_megatech_bios+0x00a1) 0022FDEC: 009CB0CA (mame_parse_ini_files+0x07fc) 0022FE1C: 009C958F (mame_execute+0x01ff) 0022FE7C: 00C00463 (cli_execute+0x01e3) 0022FEEC: 0097950B (utf8_main+0x00ea) 0022FF1C: 01246189 (main+0x00e9) 0022FF6C: 0040124B (__image_base__+0x124b) 0022FFB4: 00401298 (mainCRTStartup+0x0018)
Steps To Reproduce
Additional Information
Github Commit

Flags
Regression Version	0.123u5
Affected Sets / Systems	all segae.c drivers

Attached Files

No.00131 Tafoid Administrator Mar 14, 2008, 00:59	Verified on normal 32-bit command line build.