Translate the service routine SRV from Table 6-23 to its equivalent hexadecimal code. Assume that the routine is stored starting from location 200.

Table 6-23

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Location 0 1 100 101 102 103 104 200 TABLE 6-23 Program to Service an Interrupt ZRO, SRV, STA SAC CIR STA SE SKI BUN NXT INP NXT, EXT, BUN SRV CLA ION LDA X ADD Y STA Z SAC, SE, PT1, PT2, OUT STA PT1 I ISZ PT1 SKO BUN EXT LDA PT2 I OUT ISZ PT2 LDA SE CIL LDA SAC ION BUN ZRO I - /Return address stored here /Branch to service routine /Portion of running program Turn on interrupt facility Interrupt occurs here /Program returns here after interrupt /Interrupt service routine /Store content of AC Move E into AC(1) /Store content of E /Check input flag /Flag is off, check next flag /Flag is on, input character /Print character /Store it in input buffer Increment input pointer /Check output flag /Flag is off, exit /Load character from output buffer /Output character Increment output pointer /Restore value of AC(1) /Shift it to E /Restore content of AC Turn interrupt on /Return to running program /AC is stored here /E is stored here /Pointer of input buffer /Pointer of output buffer