Pengantar Organisasi Komputer

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IKI10230Pengantar Organisasi KomputerKuliah no.
05.x Tugas No. 1
Sumber1. Paul Carter, PC Assembly Language2.
Hamacher. Computer Organization, ed-53. Materi
kuliah CS61C/2000 CS152/1997, UCB4. Intel
Architecture Software Developers Manual
17 Maret 2004 L. Yohanes Stefanus
(yohanes_at_cs.ui.ac.id)Bobby Nazief
(nazief_at_cs.ui.ac.id) bahan kuliah
http//www.cs.ui.ac.id/kuliah/POK/
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Tugas Pemrograman 1 Vector Add

• CVEC AVEC Const BVEC
• for (i 0 i lt vlength i)
• CVECi AVECi Const BVECi
• AVEC, BVEC, CVEC, Const, vlength disimpan di
  memori
• Ukuran elemen vektor (AVECi, BVECi, CVECi),
  Const, vlength 4-byte (integer)

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Instruksi ADD MUL

• ADD DEST,SRC DEST ? SRC DEST
• DEST, SRC register-/memory-operand
• salah satu dari DEST atau SRC harus berupa
  register-operand
• MUL SRC32 EDXEAX ? SRC32 EAX
• MUL DWORD DATA
• MUL EBX

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Instruksi JNZ

• mov ecx,Counter ecx serves as a counter.
• L1
• ...
• dec ecx
• jnz L1 if (ecx ! 0) then jump to L1

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vector_add.asm

• include "asm_io.inc
• segment .data
• initialized data is put in the data segment
  here
• segment .bss
• uninitialized data is put in the bss segment
• segment .text
• global _asm_main
• _asm_main
• enter 0,0 setup routine
• pusha
• code is put in the text segment. Do not modify
  the code before
• or after this comment.
• popa
• mov eax, 0 return back to
  C
• leave
• ret

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Kompilasi

• nasm f coff vector_add.asm
• gcc o vector_add.exe driver.c vector_add.o
  asm_io.o