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・ Trap (Henry Lau album)
・ Trap (novel)
・ Trap (plumbing)
・ Trap (printing)
・ TRAP (processor instruction)
・ Trap and trace device
・ Trap Back
・ Trap Back Jumpin
・ Trap bar
・ Trap crop
・ Trap Door (EP)
・ Trap Door (magazine)
・ Trap Door Forage Wagon
・ Trap Door Spiders
・ Trap Door Theatre
Trap flag
・ Trap for Cinderella
・ Trap for the Assassin
・ Trap God
・ Trap God 2
・ Trap Gunner
・ Trap Happy
・ Trap Happy Porky
・ Trap Hill
・ Trap Hill, West Virginia
・ Trap House
・ Trap House 4
・ Trap House 5
・ Trap House III
・ Trap jaw


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Trap flag : ウィキペディア英語版
Trap flag

A trap flag permits operation of a processor in single-step mode. If such a flag is available, debuggers can use it to step through the execution of a computer program.
==Single-step interrupt==
When a system is instructed to single-step, it will execute one instruction and then stop. The contents of registers and memory locations can be examined; if they are correct, the system can be told to go on and execute the next instruction. The Intel 8086 trap flag and type-1 interrupt response make it quite easy to implement a single-step feature in an 8086-based system.
If the trap flag is set, the 8086 will automatically do a type-1 interrupt after each instruction executes. When the 8086 does a type-1 interrupt, it pushes the flag register on the stack.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Trap flag」の詳細全文を読む



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