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/* Nitfol - z-machine interpreter using Glk for output.
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Copyright (C) 1999 Evin Robertson
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
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The author can be reached at nitfol@deja.com
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static void op_nop(void) { ; }
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static void op_XXX(void)
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zbyte ins = HIBYTE(oldPC);
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n_show_error(E_INSTR, "illegal instruction", ins);
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/* offsets in opcodetable for various types */
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#define OFFSET_0OP 0x00
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#define OFFSET_1OP 0x10
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#define OFFSET_2OP 0x20
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#define OFFSET_VAR 0x40
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#define OFFSET_EXT 0x60
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#define OFFSET_END 0x80
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typedef void (*op_func)(void);
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op_func opcodetable[] = {
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op_rtrue, op_rfalse, op_print, op_print_ret,
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op_nop, op_save4, op_restore4, op_restart,
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op_ret_popped, op_catch, op_quit, op_new_line,
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op_show_status, op_verify, op_XXX, op_piracy,
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op_jz, op_get_sibling, op_get_child, op_get_parent,
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op_get_prop_len, op_inc, op_dec, op_print_addr,
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op_call_s, op_remove_obj, op_print_obj, op_ret,
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op_jump, op_print_paddr, op_load, op_call_n,
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op_XXX, op_je, op_jl, op_jg,
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op_dec_chk, op_inc_chk, op_jin, op_test,
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op_or, op_and, op_test_attr, op_set_attr,
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op_clear_attr, op_store, op_insert_obj, op_loadw,
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op_loadb, op_get_prop, op_get_prop_addr, op_get_next_prop,
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op_add, op_sub, op_mul, op_div,
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op_mod, op_call_s, op_call_n, op_set_colour,
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op_throw, op_XXX, op_XXX, op_XXX,
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op_call_s, op_storew, op_storeb, op_put_prop,
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op_aread, op_print_char, op_print_num, op_random,
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op_push, op_pull, op_split_window, op_set_window,
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op_call_s, op_erase_window, op_erase_line, op_set_cursor,
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op_get_cursor, op_set_text_style,op_buffer_mode, op_output_stream,
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op_input_stream, op_sound_effect, op_read_char, op_scan_table,
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op_not, op_call_n, op_call_n, op_tokenise,
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op_encode_text, op_copy_table, op_print_table, op_check_arg_count,
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op_save5, op_restore5, op_log_shift, op_art_shift,
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op_set_font, op_draw_picture, op_picture_data, op_erase_picture,
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op_set_margins, op_save_undo, op_restore_undo, op_print_unicode,
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op_check_unicode, op_XXX, op_XXX, op_XXX,
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op_move_window, op_window_size, op_window_style, op_get_wind_prop,
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op_scroll_window, op_pop_stack, op_read_mouse, op_mouse_window,
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op_push_stack, op_put_wind_prop, op_print_form, op_make_menu,
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op_picture_table, op_XXX, op_XXX, op_XXX
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opcodeinfo opcodelist[] = {
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{ "rtrue", v1, vM, 0, 0, opNONE, 0 },
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{ "rfalse", v1, vM, 0, 0, opNONE, 0 },
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{ "print", v1, vM, 0, 0, opTEXTINLINE, 0 },
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{ "print_ret", v1, vM, 0, 0, opTEXTINLINE, 0 },
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{ "nop", v1, vM, 0, 0, opNONE, 0 },
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{ "save", v4, v4, 0, 0, opSTORES, 0 },
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{ "restore", v4, v4, 0, 0, opSTORES, 0 },
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{ "restart", v1, vM, 0, 0, opNONE, 0 },
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{ "ret_popped", v1, vM, 0, 0, opNONE, 0 },
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{ "catch", v5, vM, 0, 0, opSTORES, 0 },
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{ "quit", v1, vM, 0, 0, opNONE, 0 },
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{ "new_line", v1, vM, 0, 0, opNONE, 0 },
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{ "show_status", v3, v3, 0, 0, opNONE, 0 },
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{ "verify", v3, vM, 0, 0, opBRANCHES, 0 },
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{ "extended", v5, vM, 0, 0, opNONE, 0 },
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{ "piracy", v5, vM, 0, 0, opBRANCHES, 0 },
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{ "jz", v1, vM, 1, 1, opBRANCHES, 0 },
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{ "get_sibling", v1, vM, 1, 1, opSTORES | opBRANCHES, 0 },
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{ "get_child", v1, vM, 1, 1, opSTORES | opBRANCHES, 0 },
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{ "get_parent", v1, vM, 1, 1, opSTORES, 0 },
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{ "get_prop_len", v1, vM, 1, 1, opSTORES, 0 },
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{ "inc", v1, vM, 1, 1, opNONE, 0 },
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{ "dec", v1, vM, 1, 1, opNONE, 0 },
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{ "print_addr", v1, vM, 1, 1, opNONE, 0 },
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{ "call_1s", v4, vM, 1, 1, opSTORES, 0 },
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{ "remove_obj", v1, vM, 1, 1, opNONE, 0 },
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{ "print_obj", v1, vM, 1, 1, opNONE, 0 },
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{ "ret", v1, vM, 1, 1, opNONE, 0 },
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{ "jump", v1, vM, 1, 1, opJUMPS, 0 },
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{ "print_paddr", v1, vM, 1, 1, opNONE, 0 },
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{ "load", v1, vM, 1, 1, opSTORES, 0 },
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{ "call_1n", v5, vM, 1, 1, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "je", v1, vM, 1, 4, opBRANCHES, 0 },
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{ "jl", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "jg", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "dec_chk", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "inc_chk", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "jin", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "test", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "or", v1, vM, 2, 2, opNONE, 0 },
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{ "and", v1, vM, 2, 2, opNONE, 0 },
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{ "test_attr", v1, vM, 2, 2, opBRANCHES, 0 },
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{ "set_attr", v1, vM, 2, 2, opNONE, 0 },
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{ "clear_attr", v1, vM, 2, 2, opNONE, 0 },
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{ "store", v1, vM, 2, 2, opNONE, 0 },
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{ "insert_obj", v1, vM, 2, 2, opNONE, 0 },
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{ "loadw", v1, vM, 2, 2, opSTORES, 0 },
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{ "loadb", v1, vM, 2, 2, opSTORES, 0 },
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{ "get_prop", v1, vM, 2, 2, opSTORES, 0 },
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{ "get_prop_addr", v1, vM, 2, 2, opSTORES, 0 },
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{ "get_next_prop", v1, vM, 2, 2, opSTORES, 0 },
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{ "add", v1, vM, 2, 2, opSTORES, 0 },
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{ "sub", v1, vM, 2, 2, opSTORES, 0 },
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{ "mul", v1, vM, 2, 2, opSTORES, 0 },
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{ "div", v1, vM, 2, 2, opSTORES, 0 },
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{ "mod", v1, vM, 2, 2, opSTORES, 0 },
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{ "call_2s", v4, vM, 2, 2, opSTORES, 0 },
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{ "call_2n", v5, vM, 2, 2, opNONE, 0 },
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{ "set_colour", v5, vM, 2, 2, opNONE, 0 },
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{ "throw", v5, vM, 2, 2, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "call_vs", v1, vM, 1, 4, opSTORES, 0 },
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{ "storew", v1, vM, 3, 3, opNONE, 0 },
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{ "storeb", v1, vM, 3, 3, opNONE, 0 },
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{ "put_prop", v1, vM, 3, 3, opNONE, 0 },
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{ "aread", v5, vM, 0, 4, opSTORES, 0 },
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{ "print_char", v1, vM, 1, 1, opNONE, 0 },
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{ "print_num", v1, vM, 1, 1, opNONE, 0 },
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{ "random", v1, vM, 1, 1, opSTORES, 0 },
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{ "push", v1, vM, 1, 1, opNONE, 0 },
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{ "pull", v1, vM, 1, 1, opNONE, 0 },
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{ "split_window", v3, vM, 1, 1, opNONE, 0 },
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{ "set_window", v3, vM, 1, 1, opNONE, 0 },
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{ "call_vs2", v4, vM, 1, 8, opSTORES, 0 },
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{ "erase_window", v4, vM, 1, 1, opNONE, 0 },
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{ "erase_line", v4, vM, 1, 1, opNONE, 0 },
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{ "set_cursor", v4, vM, 2, 2, opNONE, 0 },
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{ "get_cursor", v4, vM, 1, 1, opNONE, 0 },
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{ "set_text_style", v4, vM, 1, 1, opNONE, 0 },
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{ "buffer_mode", v4, vM, 1, 1, opNONE, 0 },
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{ "output_stream", v5, vM, 1, 2, opNONE, 0 },
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{ "input_stream", v3, vM, 1, 1, opNONE, 0 },
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{ "sound_effect", v3, vM, 4, 4, opNONE, 0 },
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{ "read_char", v4, vM, 1, 3, opSTORES, 0 },
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{ "scan_table", v4, vM, 4, 4, opSTORES | opBRANCHES, 0 },
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{ "not", v5, vM, 1, 1, opSTORES, 0 },
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{ "call_vn", v5, vM, 1, 4, opNONE, 0 },
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{ "call_vn2", v5, vM, 1, 8, opNONE, 0 },
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{ "tokenise", v5, vM, 4, 4, opNONE, 0 },
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{ "encode_text", v5, vM, 4, 4, opNONE, 0 },
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{ "copy_table", v5, vM, 3, 3, opNONE, 0 },
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{ "print_table", v5, vM, 4, 4, opNONE, 0 },
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{ "check_arg_count", v5, vM, 1, 1, opBRANCHES, 0 },
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{ "save", v5, vM, 0, 3, opSTORES, 0 },
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{ "restore", v5, vM, 0, 3, opSTORES, 0 },
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{ "log_shift", v5, vM, 2, 2, opSTORES, 0 },
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{ "art_shift", v5, vM, 2, 2, opSTORES, 0 },
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{ "set_font", v5, vM, 1, 1, opSTORES, 0 },
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{ "draw_picture", v6, vM, 3, 3, opNONE, 0 },
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{ "picture_data", v6, vM, 2, 2, opBRANCHES, 0 },
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{ "erase_picture", v6, vM, 3, 3, opNONE, 0 },
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{ "set_margins", v6, vM, 3, 3, opNONE, 0 },
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{ "save_undo", v5, vM, 0, 0, opSTORES, 0 },
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{ "restore_undo", v5, vM, 0, 0, opSTORES, 0 },
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{ "print_unicode", v5, vM, 1, 1, opNONE, 0 },
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{ "check_unicode", v5, vM, 1, 1, opSTORES, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "move_window", v6, vM, 3, 3, opNONE, 0 },
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{ "window_size", v6, vM, 3, 3, opNONE, 0 },
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{ "window_style", v6, vM, 2, 3, opNONE, 0 },
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{ "get_wind_prop", v6, vM, 2, 2, opSTORES, 0 },
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{ "scroll_window", v6, vM, 2, 2, opNONE, 0 },
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{ "pop_stack", v6, vM, 1, 2, opNONE, 0 },
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{ "read_mouse", v6, vM, 1, 1, opNONE, 0 },
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{ "mouse_window", v6, vM, 1, 1, opNONE, 0 },
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{ "push_stack", v6, vM, 1, 2, opBRANCHES, 0 },
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{ "put_wind_prop", v6, vM, 3, 3, opNONE, 0 },
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{ "print_form", v6, vM, 1, 1, opNONE, 0 },
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{ "make_menu", v6, vM, 2, 2, opBRANCHES, 0 },
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{ "picture_table", v6, vM, 1, 1, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
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{ "XXX", v1, vM, 0, 8, opNONE, 0 },
added
removed
terps/nitfol/oplist.c
