ASM gnu-as direction collection

• .equ

  https://sourceware.org/binutils/docs-2.24/as/Equ.html#Equ

  this is equalivalent of #define FOO 6 in c

  example:

  .equ LED_PIN,      25
  .equ GPIO_DIR_IN,  0
  .equ GPIO_DIR_OUT, 1
  .equ PIN_HIGH,     1
  .equ PIN_LOW,      0
  

• .syntax

  https://sourceware.org/binutils/docs/as.html#Instruction-Set-Syntax https://www.sourceware.org/binutils/docs/as/ARM-Directives.html#index-_002esyntax-directive_002c-ARM

  this is either unified or divided

  example:

  empty?
  

this is just template

• ``

  link here

  small explanation

  example: