08370: tc2048: Crash at start

ID	Category [?]	Severity [?]	Reproducibility	Date Submitted	Last Update
08370	Crash/Freeze	Critical (emulation)	Random	Jul 7, 2022, 01:32	Jul 9, 2022, 16:47

Tester	Robbbert	View Status	Public	Platform	MAME (Self-compiled)
Assigned To	holub	Resolution	Fixed	OS	Windows 10/11 (64-bit)
Status [?]	Resolved			Driver	sinclair/timex.cpp
Version	0.245	Fixed in Version	0.246	Build	64-bit
		Fixed in Git Commit	78a7de1	Github Pull Request #	#10053

Summary	08370: tc2048: Crash at start
Description	Crashes at start
Steps To Reproduce	Start it.
Additional Information	Caused by holub's spectrum changes. ----------------------------------------------------- Exception at EIP=00007ff6b35577be (tc2048_state::lores_scanline(bitmap_ind16&, int, int, int)+0x002e): INTEGER DIVIDE BY ZERO ----------------------------------------------------- RAX=0000000000000000 RBX=000001d38c01d250 RCX=0000000000000000 RDX=0000000000000000 RSI=000001d38c01d250 RDI=0000000000000070 RBP=0000000000000000 RSP=0000000504af9328 R8=0000000000000000 R9=0000000000000020 R10=000001d38bff95b8 R11=0000000000000020 R12=0000000504af93a0 R13=000001d38c01d250 R14=000001d38bff9060 R15=00000000000000df ----------------------------------------------------- Stack crawl: 0000000504af9360: 00007ff6b35577be (tc2048_state::lores_scanline(bitmap_ind16&, int, int, int)+0x002e) 0000000504af93d0: 00007ff6b35579ef (tc2048_state::spectrum_update_screen(screen_device&, bitmap_ind16&, rectangle const&)+0x009f) 0000000504af94b0: 00007ff6b353a5ff (spectrum_state::screen_update_spectrum(screen_device&, bitmap_ind16&, rectangle const&)+0x036f) 0000000504af9550: 00007ff6b0673b3c (screen_device::update_partial(int)+0x020c) 0000000504af95e0: 00007ff6b06741a3 (screen_device::update_now()+0x0363) 0000000504af9690: 00007ff6b353a07e (spectrum_state::video_start()+0x021e) 0000000504af96c0: 00007ff6af3c4fad (spectrum_128_state::video_start()+0x000d) 0000000504af9700: 00007ff6b0496ca2 (driver_device::device_start()+0x01b2) 0000000504af9840: 00007ff6b0465ef8 (device_t::start()+0x0698) 0000000504af9990: 00007ff6b067fa30 (running_machine::start_all_devices()+0x0150) 0000000504af9ab0: 00007ff6b0685056 (running_machine::start()+0x0b66) 0000000504af9c30: 00007ff6b0686e4b (running_machine::run(bool)+0x00cb) 0000000504aff0c0: 00007ff6b3bf78fb (mame_machine_manager::execute()+0x024b) 0000000504aff4b0: 00007ff6b64c5e16 (cli_frontend::start_execution(mame_machine_manager*, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)+0x03e6) 0000000504aff790: 00007ff6b64c643b (cli_frontend::execute(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&)+0x007b) 0000000504aff7f0: 00007ff6b3bf2039 (emulator_info::start_frontend(emu_options&, osd_interface&, std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >&)+0x0029) 0000000504affbc0: 00007ff6b75999c7 (main+0x0197) 0000000504affc90: 00007ff6ac0913b1 (__tmainCRTStartup+0x0231) 0000000504affcc0: 00007ff6ac0914e6 (mainCRTStartup+0x0016) 0000000504affcf0: 00007ff902237034 (BaseThreadInitThunk+0x0014) 0000000504affd70: 00007ff9029c2651 (RtlUserThreadStart+0x0021)
Github Commit

Flags
Regression Version	0.245
Affected Sets / Systems	tc2048

Attached Files

No.20362 Tafoid Administrator Jul 7, 2022, 01:59	First reported: https://github.com/mamedev/mame/commit/90115f4de2964170bf4c84e4ceb0404a5a636b16#commitcomment-76744623
No.20371 holub Tester Jul 9, 2022, 00:48	https://github.com/mamedev/mame/pull/10053