MMIX Bug
	Content Home A Message from Donald Knuth Getting Started The MMIX Supplement Contributing Development Proposals Bug Reports Resources Sources Documentation Win32 Executables Linux 32 Bit Binaries MAC OSX Executables MMIXVD the Visual Debugger Patches, Extensions & Tools Examples Links Das MMIX Buch Virtual Motherboard Other Material MMIX at Munich University of Applied Sciences Impressum Privacy	MMIXware Version mmix-20240731 Bug Reported Initial: 2025-05-28 Author Natalia Posting Description When parsing the b command in section 161 of the MMIX-SIM module, the parser may skip past the end of the string if there are no hex digits in the input. This leads to a memory fault. Proposed Patch @x case 'b':@+ for (k=0,p++; !isxdigit(*p); p++) @y case 'b':@+ for (k=0,p++; !isxdigit(*p) && *p != '\0'; p++) @z

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