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asmlibs's Introduction

asmLibs

libraries meant for 32-bit freestanding gnu-assembly

  • All functions below are represented as macros and can be used like normal instructions
  • Each function is represented as the instruction, its parameter types, and the return register/variable(s)
  • Each variable is represented by its type and name

Stdin


--Variables--

<char> keyboard_redge

<char> keyboard_out

--Functions--

read_keyboard -> al, keyboard_out

  • Returns a keycode, not character

k2char <byte> -> al

  • Converts a keycode to a character

key_redge -> keyboard_redge

  • Checks if a key is being pushed or released

getc -> al, keyboard_out

  • Reads a keypress and waits for it to be released
  • Returns keycode, not character

gets <label>

  • Reads a string from the keyboard
  • Expects enter as termination
  • Does not display on screen

geti <r32 or integer>

  • Same as gets but with numbers

Stdout


--Defined--

VGA_ADDR

  • VGA address in RAM

--Variables--

<long> ttypos

todo rest

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