## Supported Runtime Script commands in Moon OS
prt, let, slp, inp, rnd
add, sub, mul, div, mod
jmp, jeq, jne, jgt, jlt
int, str, typ, prs, tim
len, pol, pop, psh
put, get, key, del
clr, drw, pxl
def, end, ret, cal
ife, ifg, els, fin
for, nxt


~ only in Moon OS:
lib <API> [$V*] [N?]


~ extensions needed in host
blk: pause VM, e.g. waiting for a key press
con: term sequence, e.g. text colors, moving cursors
led: set status of LEDs
log: output debugging information
net: send HTTP requests


## Moon OS lib APIs
os.get_home_path (path)
os.get_current_path (path)
os.set_current_path ($path)
os.delete_path ($path)
os.make_dir ($path, $name)
os.get_file_list ($path)
os.get_file_type ($path, $name, type_str)
os.read_file ($path, $name, content)
os.write_file ($path, $name, $content)
os.get_os_info (info)
os.get_sys_info (info)
os.get_env_var ($name, name)
os.set_env_var ($var_name, $var_val)

util.get_path_by_str ($path_str, $is_file, $skip_verify, path)
util.get_real_path ($path, path)
util.verify_path ($path, $is_file, is_valid)
util.wrap_words ($text, $width, lines)

dev.set_led ($idx, $val)

net.http ($params{method,url,data,withCredentials}, res)

term.prev_line
term.clear_line
term.clear_screen
term.alternate_buffer
term.primary_buffer
term.color_print ($text, $fg_color, $bg_color)
term.set_prt_delay ($enable)
term.get_width (width)
term.get_height (height)
term.move_cursor ($dx, $dy)
term.set_cursor_position ($line, $column)
term.read_key (keycode)
term.get_key_pressed (keycode)

## Runtime Script resources
Tutorial: https://siwei.dev/doc/runtime/
Cheatsheet: https://siwei.dev/doc/RuntimeScriptCheatSheet.pdf