References

• http://www.yashks.com/2011/01/210/ - cached copy
• http://coding.derkeiler.com/Archive/Assembler/comp.lang.asm.x86/2003-12/0364.html
• http://courses.engr.illinois.edu/ece390/books/labmanual/inst-ref-general.html#INST-REF-INT
• Setting TF - http://en.wikipedia.org/wiki/Trap_flag
• Debug Status Registers - http://en.wikipedia.org/wiki/X86_debug_register

set via IRET
executes one op then triggers
Resets each time - Need to reset
Store range for local method for step over
How to determine it as a Int1? -DR6 Bit 14 (Single Step): This bit indicates that debug exception has generated since Trap Flag (TF) is set in EFLAGS register. Need to reset DR6