Indexed Variables

flat assembler
Message board for the users of flat assembler.

Index > Main > Indexed Variables

Author

Thread

ml64

Joined: 17 Jul 2020
Posts: 11

ml64

How does fasm reach indexed members of arays?
I need to jump to the n-th member of the array/ Like this:

Code:

section '.data' data readable writeable
 lpCase dq 0,0,0,0
section '.text' code readable executable
  mov rax,2
 ;Select Case
  jmp lpCase[rax]

or at least:

Code:

 jmp lpCase[2]

Last edited by ml64 on 24 Aug 2020, 08:21; edited 1 time in total

20 Jul 2020, 14:48

CandyMan

Joined: 04 Sep 2009
Posts: 323
Location: film "CandyMan" directed through Bernard Rose OR Candy Shop

CandyMan

Code:

 mov rax,2
;...
 jmp [lpCase+rax*8]

Code:

 jmp [lpCase+2*8]

Code:

 lea rdx,[lpCase]
;...
 mov rax,2
;...
 jmp qword [rdx+rax*8]

_________________
smaller is better

20 Jul 2020, 15:06

ml64

Joined: 17 Jul 2020
Posts: 11

ml64

Thank You, CandyMan!

24 Aug 2020, 08:22

< Last Thread | Next Thread >

Forum Rules:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum