Description: In DEBUG mode, the display interrupt vector table, to find a free interrupt type number, as soft as a new increase in interruption of system calls interrupted. The preparation of a system call service and initialization procedures syscall.asm, the requirements include the following contents of the two parts: ① system call service routine ② initialization procedure: set new interrupt vector and the presence of new routines. The preparation of a user program user.asm, its aim is to detect newly added function call was successful. In the state DEBUG: ① Find Interrupt Vector Table in the new system call interrupt vector ② show expanded interrupt service routine ③ find the interrupt service routine used in the data area.
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