BITS 64 GLOBAL testBranch testBranch: push rax nop nop nop pushfq pop rax or eax,0x100 ;set TF flag push rax popfq ;Normal state this will cause a break nop nop nop jmp testBranch_1 ;branch state this will cause a break nop nop nop testBranch_1: mov eax,0x123 mov eax,0x456 nop nop pop rax ret