bakervm 0.9.0

A virtual machine for building and running retro games
Documentation 
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jmp _std_input_keyboard_is_key_pressed

.std.input.keyboard.is_key_pressed
  push $st, @1      ; allocate memory
  add $bp, $st

  mov $vi(20), $st  ; key, to check for

  push $st, @97
  cmp $st, $vi(20)
  mov $vi(19), $st
  jmpeq std.input.keyboard.__check_is_a_pressed
  ret

.std.input.keyboard.__check_is_a_pressed
  call std.input.keyboard.is_a_pressed
  ret

  push $st, @1      ; deallocate memory
  sub $bp, $st
ret

.std.input.keyboard.is_a_pressed
  push $st, true
  cmp $st, $key(97)     ; "a"
  mov $vi(19), $st
  jmpeq std.input.keyboard.__a_key_pressed
  push $st, false
  ret
.std.input.keyboard.__a_key_pressed
  push $st, true
ret


._std_input_keyboard_is_key_pressed