[微機] 97考古

[lotuslin1222 (林菡瓜(*￣▽￣)/)]

 作者  jenny (活在自己的世界中)                                看板  NTU-Exam 
 標題  [試題] 97下 盧彥文 微處理機原理與應用 期中考                           
 時間  Sat May 23 19:49:41 2009                                               
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課程名稱︰微處理機原理與應用
課程性質︰必修
課程教師︰盧彥文
開課學院：生農
開課系所︰生機
考試日期（年月日）︰97/4/17
考試時限（分鐘）：80
是否需發放獎勵金：是
（如未明確表示，則不予發放）

試題 :

problem 1(20%)

  briefly explain the following terms:

  id=odd                          id=even

  carry bit                       parity bit
  instruction                     MSB
  BCD                             POP
  Based-indexed addressing mode   directives


problem 2(20%):

  identify the addressing modes used for the source and the destination
  operands, as well as the maching codes in the following instructions:

  id=odd                           id=even

  MOV AL,BL                        MOV AL,BL
  MOV BX,0BEH                      MOV BX,0C3H
  MOV [BX][DI]+0100H,AL            MOV [BX][DI]+0300H,AL

problem 3(10%)

  express each of the following signed decimal integers as a 16-bit binary
  number (use 2's-complement notation for negative numbers)

  +20                              -20
  -10                              +10

problem 4(8%):

  engineer Joe Smith worte assembly programs, which contain a Main module and
  a subroutine module to display a hexdecimal number on screen. Although
  prepared well, he found bugs in the programs. He used the 'debug' to find
  out the following information:

  AX=0000  BX=0000  CX=0010  DX=0000  SP=03FB  BP=0000 SI=0000 DI=0000
  DS=57D1  ES=57D1  SS=57E6  CS=57E1  IP=0013  NV UP EI PL NZ NA PO NC

  can you help Engineer Joe Smith find

  the current physical address to point to the data
  /
  the current physical address to point to the data in stack structure


problem 5(15%):

  explain what happens when the instruction sequence that follows is executed

  LAHF                               MOV AX,1234H
  MOV [BX+DI],AH                     MOV BX,0ABCDH
  MOV AH,[BX+SI]                     CMP AX,BX
  SAHF                               assume that flags ZF,SF,CF,AF,OF,and PF
                                     are all initially reset

note:(提供表格參考，就不打了)

problem 6(27%):

  write an 8086/8088 assembly program that moves a block of N consecutive
  bytes of data starting at offset address ADDR1 in memory to another block
  of memory locations starting at offset address ADDR2. Assume that both blocks
  are in the same data segment, whose starting point is defined by the values
  DS_ADDR

hint:you may use the flow chart below for this program
(提供流程圖，也不打了)

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想問問誰還有其他幾年考古QQ


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