AT&T immediate operands use a $ to denote them, whereas Intel immediate operands are undelimited. Thus, when referencing the decimal value 4 in AT&T syntax, you would use dollar 4, and in Intel syntax you would just use 4. AT&T prefaces register names with a %, while Intel does not. Thus, referencing the EAX register in AT&T syntax, you would use %eax. AT&T syntax uses the opposite order for source and destination operands. To move the decimal value 4 to the EAX register, AT&T syntax would be movl $4, %eax, whereas for Intel it would be mov eax, 4. AT&T syntax uses a separate character at the end of mnemonics to reference the data size used in the operation, whereas in Intel syntax the size is declared as a separate operand. The AT&T instruction movl $test, %eax is equivalent to mov eax, dword ptr test in Intel syntax. Long calls and jumps use a different syntax to define the segment and offset val original assembly BITS 32 %include 'traini