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zorb

0.9.0
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Z-machine implementation compiling stories into standalone WebAssembly capsules

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zorb lib zorb capsule host.ex
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lib/zorb/capsule/host.ex 

defmodule Zorb.Capsule.Host do

  @moduledoc false

  use Orb.Import, name: :zio



  defw(print_char(char: I32))

  defw(print_num(num: I32))

  defw(read_char(), I32)

  defw(get_random(max: I32), I32)

  defw(get_random_seed(), I32)

  defw(get_capabilities(), I32)

  defw(halt(reason: I32, pc: I32, opcode: I32))

  defw(log_zchar(alph: I32, zchar: I32, zscii: I32))



  # Screen Model

  defw(set_window(window_id: I32))

  defw(split_window(lines: I32))

  defw(set_cursor(line: I32, col: I32))

  defw(erase_window(window_id: I32))

  defw(erase_line(value: I32))

  defw(set_text_style(style: I32))

  defw(set_colour(foreground: I32, background: I32))

  defw(sound_effect(number: I32))

  defw(get_screen_size(), I32)



  # Save/Restore

  defw(save(pc: I32, sp: I32, fp: I32, csp: I32, random_state: I32), I32)

  defw(restore(), I32)

  defw(get_restored_pc(), I32)

  defw(get_restored_sp(), I32)

  defw(get_restored_fp(), I32)

  defw(get_restored_csp(), I32)

  defw(get_restored_random_state(), I32)



  # Undo

  defw(save_undo(pc: I32, sp: I32, fp: I32, csp: I32, random_state: I32), I32)

  defw(restore_undo(), I32)

  defw(get_undone_pc(), I32)

  defw(get_undone_sp(), I32)

  defw(get_undone_fp(), I32)

  defw(get_undone_csp(), I32)

  defw(get_undone_random_state(), I32)



  # Interrupts

  defw(check_interrupt(), I32)

end