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ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
00683 Crash/Freeze Critical (emulator) Sometimes Feb 1, 2008, 20:40 Feb 14, 2008, 15:11
Tester Firewave View Status Public Platform
Assigned To Resolution Fixed OS
Status [?] Resolved Driver
Version 0.122u4 Fixed in Version 0.122u6 Build
Fixed in Git Commit Github Pull Request #
Summary 00683: megaplay.c: All megaplay.c drivers crash with "-bios 1".
Description all megaplay.c drivers crash with "-bios 1".


Exception at EIP=009C373B (megaplay_genesis_io_r+0x001b): ACCESS VIOLATION
While attempting to read memory at 12102004
EAX=12101FE0 EBX=00000012 ECX=0F561000 EDX=00000012
ESI=104F1000 EDI=00000168 EBP=0022FC08 ESP=0022FC00
Stack crawl:
exception-> 009C373B (megaplay_genesis_io_r+0x001b)
0022FC0C: 009574CC
0022FC2C: 00CDE049 (program_read_byte_8+0x00c9)
0022FC4C: 00FF1D3D
0022FC7C: 00CD00BC (cpunum_execute+0x011c)
0022FCCC: 00D1E579 (cpuexec_timeslice+0x01e9)
0022FDEC: 00CD47B8 (mame_execute+0x0e28)
0022FE3C: 00E787DF (cli_execute+0x058f)
0022FEAC: 00C7B4E3 (utf8_main+0x0163)
0022FF2C: 0153FA57 (main+0x00b7)
0022FF6C: 0040124B (__image_base__+0x124b)
0022FFB4: 00401298 (mainCRTStartup+0x0018)

Fuj: No crash in 32-bit mame. The game just stops with a message "Slot 1 cartridge not used!!".

Twist: For me it doesn't crash, but just gives a corrupted title screen and keeps resetting when the gameplay starts.
Steps To Reproduce
Additional Information
Github Commit
Regression Version
Affected Sets / Systems megaplay.c
Attached Files
png file icon megaplay.c0122u4red.png (1,113 bytes) Feb 14, 2008, 15:11
png file icon megaplay.c0122u4red2.png (14,834 bytes) Feb 14, 2008, 15:11
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