1-What are advantages of writing subroutines in programs? 2- For INT 30h, show the positions for both IP and CS of the ISR that could be existed dalou timo generated by the following subroutine, if you know that

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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1-What are advantages of writing subroutines in programs?
2- For INT 30h, show the positions for both IP and CS of the ISR that could be
existed
3-Compute the delay time generated by the following subroutine, if you know that
CPU frequency is 8 MHz.
Delay Proc Near
PUSH BX
PUSH CX
PUSH DX
MOV BX, 100
NI: MOV CX, 15
LOOP $
DEC BX
JNZ NI
POP DX
POP CX
POP BX
RET
Delay ENDP
MOV regreg
MOV reg value
LOOP
CALL
RET
NOP
2T
4T
17/ST
19T
16T
3T
PUSH reg
POP reg
JNZ
DEC reg
ADD regreg
ADD reg value
11T
ST
16/4T
3T
3T
4T
Transcribed Image Text:1-What are advantages of writing subroutines in programs? 2- For INT 30h, show the positions for both IP and CS of the ISR that could be existed 3-Compute the delay time generated by the following subroutine, if you know that CPU frequency is 8 MHz. Delay Proc Near PUSH BX PUSH CX PUSH DX MOV BX, 100 NI: MOV CX, 15 LOOP $ DEC BX JNZ NI POP DX POP CX POP BX RET Delay ENDP MOV regreg MOV reg value LOOP CALL RET NOP 2T 4T 17/ST 19T 16T 3T PUSH reg POP reg JNZ DEC reg ADD regreg ADD reg value 11T ST 16/4T 3T 3T 4T
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