2 -- Copyright 2009-2010 Ilari Liusvaara
4 -- Licenced under GNU GPL v2.
9 -- Contains user-level arguments.
11 -- Exported functions:
12 -- - All lua standard functions in tables main, "coroutine", "string" and "table".
13 -- - modulus_split(number num, number...)
14 -- Returns quotents and quotent remainders of number divided by given dividers.
15 -- The number of results returned is equal to number of numbers passed. The
16 -- dividers must be in decreasing order and all dividers must be nonzero and
18 -- - assert(object ret, object err)
19 -- If ret is considered true, return ret. Otherwise raise err as error. Exception
20 -- if err is nil too, then ret is returned anyway.
21 -- - bit.none(number...)
22 -- Returns 48-bit number that has those bits set that are set in none of its
24 -- - bit.any(number...)
25 -- Returns 48-bit number that has those bits set that are set in any of its
27 -- - bit.parity(number...)
28 -- Returns 48-bit number that has those bits set that are set in even number
30 -- - bit.any(number...)
31 -- Returns 48-bit number that has those bits set that are set in all of its
33 -- - bit.lshift(number num, number shift)
34 -- Returns 48 rightmost bits of num shifted by shift places left. Going outside
35 -- shift range 0-47 produces unpredicatable results.
36 -- - bit.rshift(number num, number shift)
37 -- Returns 48 rightmost bits of num shifted by shift places right. Going outside
38 -- shift range 0-47 produces unpredicatable results.
39 -- - bit.arshift(number num, number shift)
40 -- Returns 48 rightmost bits of num shifted by shift places right and bit 47
41 -- value copied to all incoming bits. Going outside shift range 0-47 produces
42 -- unpredicatable results.
43 -- - bit.add(number...)
44 -- Returns sum of all passed numbers modulo 2^48.
45 -- - bit.addneg(number...)
46 -- Returns 0 minus sum of all passed numbers modulo 2^48.
47 -- - bit.addalt(number...)
48 -- Returns sum of odd arguments (first is odd) minus sum of even arguments modulo
50 -- - bit.rol(number num, number shift)
51 -- Returns 48 rightmost bits of num rotated by shift places left. Going outside
52 -- shift range 0-47 produces unpredicatable results.
53 -- - bit.ror(number num, number shift)
54 -- Returns 48 rightmost bits of num rotated by shift places right. Going outside
55 -- shift range 0-47 produces unpredicatable results.
56 -- - bit.bswap2(number num)
57 -- Returns 16 rightmost bits of num byte-swapped.
58 -- - bit.bswap3(number num)
59 -- Returns 24 rightmost bits of num byte-swapped.
60 -- - bit.bswap4(number num)
61 -- Returns 32 rightmost bits of num byte-swapped.
62 -- - bit.bswap5(number num)
63 -- Returns 40 rightmost bits of num byte-swapped.
64 -- - bit.bswap6(number num)
65 -- Returns 48 rightmost bits of num byte-swapped.
66 -- - bit.signextend(number num, number bitnum)
67 -- Copy bitnum'th bit of num to all higher bits of num and return result. Going
68 -- outside bitnum range of 0-47 produces unpredictable results.
69 -- - bit.tosigned(number num, number bitnum)
70 -- Mask off bitnum'th bit and all higher bits. If bitnum'th bit of num was set,
71 -- perform 2s complement on number and negate the result.
72 -- - bit.tohex(number num)
73 -- Returns hexadecimal string representation of number.
74 -- - jpcrr.wait_event()
75 -- Waits for event. Returns event type and extra message (if present). Event
76 -- Types are "lock", "stop", "attach" and "message". Note that if you get event
77 -- of type "lock", you are now in frame hold.
78 -- - jpcrr.poll_event()
79 -- Same as wait_event(), but does not wait for event to occur (returns nil if there
81 -- - jpcrr.pc_running()
82 -- Returns true if PC is running.
83 -- - jpcrr.clock_time()
84 -- Returns current time or nil if no PC.
85 -- - jpcrr.vga_edge_count()
86 -- Returns how many times VGA vretrace signal has been seen rising.
87 -- - jpcrr.vga_scroll_count()
88 -- Returns how many times VGA has scrolled.
89 -- - jpcrr.pc_connected()
90 -- Returns true if PC is connected.
91 -- - jpcrr.in_frame_hold()
92 -- Returns true if in frame hold, false otherwise.
93 -- - jpcrr.keypressed(number key)
94 -- Return true if key is pressed, else false.
95 -- - jpcrr.keypressed_edge(number key)
96 -- Return true if key is pressed at input edge, else false.
97 -- - jpcrr.release_vga()
98 -- Allow VGA to exit frame hold mode. Wait for frame hold first.
99 -- - jpcrr.vga_resolution()
100 -- Return VGA x and y resolutions. -1x-1 or 0x0 is returned if no valid resolution.
101 -- Should only be called during frame hold.
102 -- - jpcrr.frame_number()
103 -- Return current VGA frame number or nil if no PC present.
104 -- - jpcrr.shutdown_emulator()
105 -- Shutdown the entiere emulator immediately (graceful shutdown, PCRunner only).
106 -- - jpcrr.hud.left_gap(number flags, number gap)
107 -- Set left gap for HUD. If flags has bit 0 (1) set, draw on screen, if bit
108 -- 1 (2) is set, dump to video dump.
109 -- - jpcrr.hud.right_gap(number flags, number gap)
110 -- Set right gap for HUD. If flags has bit 0 (1) set, draw on screen, if bit
111 -- 1 (2) is set, dump to video dump.
112 -- - jpcrr.hud.top_gap(number flags, number gap)
113 -- Set top gap for HUD. If flags has bit 0 (1) set, draw on screen, if bit
114 -- 1 (2) is set, dump to video dump.
115 -- - jpcrr.hud.bottom_gap(number flags, number gap)
116 -- Set bottom gap for HUD. If flags has bit 0 (1) set, draw on screen, if bit
117 -- 1 (2) is set, dump to video dump.
118 -- - jpcrr.hud.white_solid_box(number flags, number x, number y, number w, number h)
119 -- Draw with solid opaque box.
120 -- - jpcrr.hud.box(number flags, number x, number y, number w, number h, number linethick,
121 -- number lineRed, number lineGreen, number lineBlue, number lineAlpha,
122 -- number fillRed, number fillGreen, number fillBlue, number fillAlpha)
123 -- Draw box with specified size, border line thickness, line color and fill color.
124 -- - jpcrr.hud.circle(number flags, number x, number y, number r, number linethick,
125 -- number lineRed, number lineGreen, number lineBlue, number lineAlpha,
126 -- number fillRed, number fillGreen, number fillBlue, number fillAlpha)
127 -- Draw circle with specified size, border line thickness, line color and fill color.
128 -- - jpcrr.hud.bitmap(number flags, number x, number y, string bmap,
129 -- number fgRed, number fgGreen, number fgBlue, number fgAlpha,
130 -- number bgRed, number bgGreen, number bgBlue, number bgAlpha)
131 -- Draw bitmap with specified foreground color and background color.
132 -- - jpcrr.hud.bitmap_binary(number flags, number x, number y, string bmap,
133 -- number fgRed, number fgGreen, number fgBlue, number fgAlpha,
134 -- number bgRed, number bgGreen, number bgBlue, number bgAlpha)
135 -- Draw binary bitmap with specified foreground color and background color.
136 -- - jpcrr.hud.changen(number flags, number x, number y, string text,
137 -- number fgRed, number fgGreen, number fgBlue, number fgAlpha,
138 -- number bgRed, number bgGreen, number bgBlue, number bgAlpha,
139 -- boolean multiline)
140 -- Output string using chargen.
141 -- - jpcrr.events.count()
142 -- Return current event count. Nil if no PC.
143 -- - jpcrr.events.current_sequence()
144 -- Return sequence number of next event (event sequence numbers are 0-based). Nil if
145 -- no PC, -1 if at end of movie.
146 -- - jpcrr.events.by_sequence(number seq)
147 -- Return array for specified event. Nil if no PC, empty array if not valid sequence
148 -- number. Otherwise, first element of array is timestamp (numeric), the second is
149 -- event class and rest are the arguments.
150 -- - jpcrr.joystick_state()
151 -- Returns nil if no joystick. Otherwise returns hold times for all four axis (numeric)
152 -- followed by button states (boolean).
153 -- - jpcrr.keyboard_leds()
154 -- Returns nil if no keyboard, false if LED status is unknown. Otherwise returns three
155 -- booleans, first being state of num lock, second being state of caps lock and third
156 -- being state of scroll lock.
157 -- - jpcrr.mouse_state()
158 -- Returns nil if no mouse. Otherwise returns X, Y and Z axis pending motions (numeric)
159 -- followed by button states (5 booleans).
160 -- - jpcrr.component_encode(table components)
161 -- Return component encoding for specified components.
162 -- - jpcrr.component_decode(string line)
163 -- Return component decoding for specified line, nil/nil if it doesn't encode
164 -- anything, nil/string if parse error occurs (the error is the second return).
165 -- - jpcrr.save_state(string name)
166 -- Savestate into specified file. Returns name used.
167 -- - jpcrr.save_movie(string name)
168 -- Save movie into specified file. Returns name used.
169 -- - jpcrr.load_state_normal(string name)
170 -- Load specified savestate. Returns name used.
171 -- - jpcrr.load_state_preserve_events(string name)
172 -- Load specified savestate, preserving events. Returns name used.
173 -- - jpcrr.load_state_movie(string name)
174 -- Load specified savestate as movie. Returns name used.
175 -- - jpcrr.assemble()
176 -- Open system settings dialog.
177 -- - jpcrr.change_authors()
178 -- Open change authors dialog.
179 -- - jpcrr.exit = function()
181 -- - jpcrr.ram_dump(string name, boolean binary)
182 -- Dump PC memory to specified file. If binary is true, dump is binary, otherwise
183 -- textual hexadecimal dump.
184 -- - jpcrr.write_byte(number addr, number value)
185 -- Write byte to specified physical address.
186 -- - jpcrr.write_word(number addr, number value)
187 -- Write word to specified physical address (little endian).
188 -- - jpcrr.write_dword(number addr, number value)
189 -- Write dword to specified physical address (little endian).
190 -- - jpcrr.read_byte(number addr)
191 -- Return byte from specified physical address.
192 -- - jpcrr.read_word(number addr)
193 -- Return word from specified physical address (little endian).
194 -- - jpcrr.read_dword(number addr)
195 -- Return dword from specified physical address (little endian).
196 -- - jpcrr.read_byte_signed(number addr)
197 -- Return signed byte from specified physical address.
198 -- - jpcrr.read_word_signed(number addr)
199 -- Return signed word from specified physical address (little endian).
200 -- - jpcrr.read_dword_signed(number addr)
201 -- Return signed dword from specified physical address (little endian).
202 -- - jpcrr.timed_trap(number nsecs)
203 -- Set trap after specified number of nanoseconds. Use nil as nsecs to disable.
204 -- - jpcrr.vretrace_start_trap(boolean is_on)
205 -- Set trap on vretrace start on/off.
206 -- - jpcrr.vretrace_end_trap(boolean is_on)
207 -- Set trap on vretrace end on/off.
208 -- - jpcrr.bios_kbd_trap(boolean is_on)
209 -- Set trap on BIOS kbd on/off.
210 -- - jpcrr.pc_start()
211 -- Start PC execution.
213 -- Stop PC execution.
214 -- - jpcrr.set_pccontrol_pos(number x, number y)
215 -- Set position of PCControl window.
216 -- - jpcrr.set_luaplugin_pos(number x, number y)
217 -- Set position of LuaPlugin window.
218 -- - jpcrr.set_pcmonitor_pos(number x, number y)
219 -- Set position of PCMonitor window.
220 -- - jpcrr.set_pcstartstoptest_pos(number x, number y)
221 -- Set position of PCStartStopTest window.
222 -- - jpcrr.set_virtualkeyboard_pos(number x, number y)
223 -- Set position of VirtualKeyboard window.
224 -- - jpcrr.stringlessthan(String x, String y)
225 -- Return true if x is before y in codepoint lexical order, otherwise false.
226 -- - jpcrr.screenshot(boolean include_hud)
227 -- Take screen shot (Requires monitor). If include_hud is true, include HUD
228 -- (as shown on screen). Note that this should only be called during frame
229 -- hold or results are pretty much undefined.
230 -- - jpcrr.sendevent(string class, string/number...)
231 -- Sends specified event.
232 -- - jpcrr.sendevent_lowbound(number lowbound, string class, string/number...)
233 -- Sends specified event with specified time low bound.
234 -- - jpcrr.movie_rerecords()
235 -- Return number of rerecords (nil if no movie loaded).
236 -- - jpcrr.movie_length()
237 -- Return length of movie in ns (nil if no movie loaded).
238 -- - jpcrr.movie_headers()
239 -- Return headers of movie as array of arrays (nil if no movie loaded).
240 -- - jpcrr.register_redraw_function(function)
241 -- This function is called every time screen is redrawn. It is called with
242 -- VGA lock held and that lock is automatically released after call. If this
243 -- function has been registered, no lock events will be generated.
244 -- - jpcrr.register_message_function(function)
245 -- This function is called with message as parameter every time message is
246 -- received. Suppresses message events.
247 -- - jpcrr.register_attach_function(function)
248 -- This function is called every time attach is
249 -- received. Suppresses attach events.
250 -- - jpcrr.register_stop_function(function)
251 -- This function is called every time stop is
252 -- received. Suppresses stop events.
253 -- - jpcrr.register_uiaction_function(function)
254 -- This function is called with widget name as parameter every time
255 -- UI action event is received. Suppresses ui action events.
256 -- - jpcrr.stop_and_execute(function)
257 -- Stop PC execution and call specified function after PC has stopped
258 -- fully. Note that only handler functions receive events until this
261 -- I/O functions have the following conventions. If function returns any real data, the first
262 -- return value returns this data or is nil. Otherwise first return value is true or false.
263 -- If first return value is nil or false, then the second return value gives textual error
264 -- message for failed operation, or is nil if EOF occured before anything was read.
266 -- Unlink, rename and mkdir don't follow this pattern. They just return true/false to signal
267 -- success or failure.
269 -- Specifying nil as name of file results random filename being used (it even works with unlink,
270 -- mkdir, rename and read-only access, but doesn't make any sense there).
272 -- Specifying empty filename prompts for file (doesn't work with mkdir, rename nor unlink). Use
273 -- '/<title>' to specify title for prompt dialog.
275 -- Class: BinaryFile:
276 -- Binary file for RO or RW access. Methods are as follows:
278 -- Return name of file.
280 -- Return length of file.
281 -- - set_length(number length)
282 -- Truncate file to specified length
283 -- - read(number offset, number length)
284 -- Read up to length bytes from offset.
285 -- - write(number offset, string content)
286 -- Write content to specified offset.
289 -- Class: BinaryInput:
290 -- Binary file for sequential input. Methods are as follows:
292 -- Return name of file.
294 -- Return BinaryInput that is four to five decoding of this stream.
296 -- Return stream as TextInput.
298 -- Return BinaryInput that is inflate of this stream.
299 -- - read(number bytes)
300 -- Read up to bytes bytes from file.
302 -- Read the entiere file at once.
305 -- Character set for binary files is Latin-1.
307 -- Class: BinaryOutput:
308 -- Binary file for sequential output. Methods are as follows:
310 -- Return name of file.
312 -- Return BinaryOutput that writes four to five encoded output to this stream.
314 -- Return stream as TextOutput.
316 -- Return BinaryOutput that writes deflate output to this stream.
317 -- - write(string content)
318 -- Write string to file.
321 -- Character set for binary files is Latin-1.
325 -- Return name of file.
327 -- Read line from file.
328 -- - read_component()
329 -- Read next componented line into array.
331 -- Line iterator function.
334 -- Character set for text files is UTF-8.
336 -- Class: TextOutput:
338 -- Return name of file.
339 -- - write(string line)
340 -- Write line line to file.
341 -- - write_component(table components)
342 -- Write componented line.
345 -- Character set for text files is UTF-8.
348 -- - member(string name)
349 -- Open substream for member name. The methods are the same as for io.opentextin.
350 -- - member_binary(string name)
351 -- Open binary (four to five) substream for member name. The methods are the same as
352 -- for io.openbinaryin.
354 -- Close the file. Any opened substreams are invalidated.
356 -- Return table listing all members of archive (sorted by name).
358 -- - member(string name)
359 -- Open substream for member name. The methods are the same as for io.opentextout. Note that
360 -- previous member must be closed before next can open.
361 -- - member_binary(string name)
362 -- Open binary (four to five) substream for member name. The methods are the same as
363 -- for io.openbinaryout. Note that previous substream must be closed before next can open.
365 -- Commit the file. No substream may be open. Closes the file.
367 -- Rollback the file. No substream may be open. Closes the file.
369 -- - io.open(string name, string mode) -> BinaryFile
370 -- Open file named @name in specified mode. The mode can be 'r' (read only) or 'rw' (read and
372 -- - io.open_read(string name) -> BinaryInput
373 -- Open file named @name as binary input stream.
374 -- - io.open_write(string name) -> BinaryOutput
375 -- Open file named @name as binary input stream.
376 -- - io.open_arch_read(string name) -> ArchiveIn
377 -- Open file named @name as input archive.
378 -- - io.open_arch_write(string name) -> ArchiveOut
379 -- Open file named @name as output archive.
380 -- - io.mkdir(string name)
381 -- Create directory name. Returns name created on success, nil on failure.
382 -- - io.unlink(string name)
383 -- Delete file/directory name. Returns name deleted on success, nil on failure.
384 -- - io.rename(string old, string new)
385 -- Rename file old -> new. Returns old, new on success, nil on failure.
386 -- - io.transform.text()
387 -- Returns function that calls text() method of its parameter.
388 -- - io.transform.four_to_five()
389 -- Returns function that calls four_to_five() method of its parameter.
390 -- - io.transform.deflate()
391 -- Returns function that calls deflate() method of its parameter.
392 -- - io.transform.inflate()
393 -- Returns function that calls inflate() method of its parameter.
394 -- - io.dotransform(object obj, function...)
395 -- Call specified functions on specified object. If any function fails (first argument nil
396 -- or false), call close method on preceeding object. Otherwise call specified functions
397 -- chained left to right and return the result.
398 -- - io.dotransform2(object obj, string err, function...)
399 -- Similar to dotransform except if obj is nil or false, returns obj, err.
402 local stopping = false;
403 local mesage_function = nil;
404 local lock_function = nil;
405 local uiaction_function = nil;
406 local stop_function = nil;
407 local attach_function = nil;
409 local handle, err, chunk, indication, k, v;
411 local loadmod = loadmodule;
414 local export_module_in = function(tab, modname, prefix)
415 local fun = loadmod(modname);
416 for k, v in pairs(fun) do
417 tab[(prefix or "") .. k] = v;
425 jpcrr.memorysearch = {};
430 export_module_in(jpcrr, "org.jpc.luaextensions.Base");
431 export_module_in(jpcrr, "org.jpc.luaextensions.InputDevices");
432 export_module_in(jpcrr, "org.jpc.luaextensions.ComponentCoding", "component_");
433 export_module_in(jpcrr.events, "org.jpc.luaextensions.Events");
434 export_module_in(jpcrr.window, "org.jpc.luaextensions.Window");
435 export_module_in(bit, "org.jpc.luaextensions.Bitops");
436 export_module_in(jpcrr.memorysearch, "org.jpc.luaextensions.MemorySearch");
437 export_module_in(HUD, "org.jpc.luaextensions.HUD");
443 -- Few misc functions.
444 assert = function(val, err)
445 if (not val) and err then
451 modulus_split = function(number, ...)
452 local dividers = {...};
456 for k, v in ipairs(dividers) do
458 table.insert(results, (number - rem) / v);
462 table.insert(results, number);
463 return unpack(results);
466 jpcrr.register_redraw_function = function(f)
467 if f and type(f) ~= "function" then
468 error("Incorrect type of argument to register_redraw_function");
473 jpcrr.register_message_function = function(f)
474 if f and type(f) ~= "function" then
475 error("Incorrect type of argument to register_message_function");
477 message_function = f;
480 jpcrr.register_stop_function = function(f)
481 if f and type(f) ~= "function" then
482 error("Incorrect type of argument to register_stop_function");
487 jpcrr.register_attach_function = function(f)
488 if f and type(f) ~= "function" then
489 error("Incorrect type of argument to register_attach_function");
494 jpcrr.register_uiaction_function = function(f)
495 if f and type(f) ~= "function" then
496 error("Incorrect type of argument to register_uiaction_function");
498 uiaction_function = f;
503 local getmtable = getmetatable;
504 local toString = tostring;
505 local inject_binary_file;
506 local inject_binary_input;
507 local inject_binary_output;
508 local inject_text_input;
509 local inject_text_output;
510 local inject_archive_input;
511 local inject_archive_output;
513 -- Class member injectors.
514 inject_binary_file = function(obj, name)
516 getmtable(obj).name = function(obj)
519 getmtable(obj).__index = function(tab, name)
520 local x = getmtable(obj)[name];
524 error("Invalid method " .. name .. " for BinaryFile");
529 inject_binary_input = function(obj, underlying, name)
531 local old_four_to_five = getmtable(obj).four_to_five;
532 local old_inflate = getmtable(obj).inflate;
533 local old_text = getmtable(obj).text;
534 local old_read = getmtable(obj).read;
535 local old_close = getmtable(obj).close;
536 local underlying_object = underlying;
538 getmtable(obj).name = function(obj)
541 getmtable(obj).four_to_five = function(obj)
543 res, err = old_four_to_five(obj);
547 return inject_binary_input(res, obj, "four-to-five<" .. _name .. ">");
549 getmtable(obj).inflate = function(obj)
551 res, err = old_inflate(obj);
555 return inject_binary_input(res, obj, "inflate<" .. _name .. ">");
557 getmtable(obj).text = function(obj)
559 res, err = old_text(obj);
563 return inject_text_input(res, obj, "text<" .. _name .. ">");
565 getmtable(obj).read = function(obj, toread)
567 return old_read(obj, toread);
572 ret, err = old_read(obj, 16384);
583 getmtable(obj).close = function(obj)
584 local ret, err, ret2, err2;
585 ret, err = old_close(obj);
586 if underlying_object then ret2, err2 = underlying_object:close(); end
587 if ret and not ret2 then
593 getmtable(obj).__index = function(tab, name)
594 local x = getmtable(obj)[name];
598 error("Invalid method " .. name .. " for BinaryInput");
603 inject_binary_output = function(obj, underlying, name)
605 local old_four_to_five = getmtable(obj).four_to_five;
606 local old_deflate = getmtable(obj).deflate;
607 local old_text = getmtable(obj).text;
608 local old_close = getmtable(obj).close;
609 local underlying_object = underlying;
611 getmtable(obj).name = function(obj)
614 getmtable(obj).four_to_five = function(obj)
616 res, err = old_four_to_five(obj);
620 return inject_binary_output(res, obj, "four-to-five<" .. _name .. ">");
622 getmtable(obj).deflate = function(obj)
624 res, err = old_deflate(obj);
628 return inject_binary_output(res, obj, "deflate<" .. _name .. ">");
630 getmtable(obj).text = function(obj)
632 res, err = old_text(obj);
636 return inject_text_output(res, obj, "text<" .. _name .. ">");
638 getmtable(obj).close = function(obj)
639 local ret, err, ret2, err2;
640 ret, err = old_close(obj);
641 if underlying_object then ret2, err2 = underlying_object:close(); end
642 if ret and not ret2 then
648 getmtable(obj).__index = function(tab, name)
649 local x = getmtable(obj)[name];
653 error("Invalid method " .. name .. " for BinaryOutput");
658 inject_text_input = function(obj, underlying, name)
660 local old_close = getmtable(obj).close;
661 local underlying_object = underlying;
663 getmtable(obj).lines = function(obj)
664 return function(state, prevline)
668 getmtable(obj).name = function(obj)
671 getmtable(obj).close = function(obj)
672 local ret, err, ret2, err2;
673 ret, err = old_close(obj);
674 if underlying_object then ret2, err2 = underlying_object:close(); end
675 if ret and not ret2 then
681 getmtable(obj).__index = function(tab, name)
682 local x = getmtable(obj)[name];
686 error("Invalid method " .. name .. " for TextInput");
691 inject_text_output = function(obj, underlying, name)
693 local old_close = getmtable(obj).close;
694 local underlying_object = underlying;
696 getmtable(obj).name = function(obj)
699 getmtable(obj).close = function(obj)
700 local ret, err, ret2, err2;
701 ret, err = old_close(obj);
702 if underlying_object then ret2, err2 = underlying_object:close(); end
703 if ret and underlying_object then
709 getmtable(obj).__index = function(tab, name)
710 local x = getmtable(obj)[name];
714 error("Invalid method " .. name .. " for TextOutput");
719 inject_archive_input = function(obj, name)
721 local old_member = getmtable(obj).member;
722 local old_member_list = getmtable(obj).member_list;
723 getmtable(obj).member = function(obj, member)
725 res, err = old_member(obj, member);
729 return inject_binary_input(res, nil, _name .. "[" .. member .. "]");
731 getmtable(obj).name = function(obj)
734 getmtable(obj).member_list = function(obj)
735 local tab = old_member_list(obj);
736 if tab then table.sort(tab, jpcrr.stringlessthan); end
739 getmtable(obj).__index = function(tab, name)
740 local x = getmtable(obj)[name];
744 error("Invalid method " .. name .. " for ArchiveInput");
749 inject_archive_output = function(obj, name)
751 local old_member = getmtable(obj).member;
752 getmtable(obj).member = function(obj, member)
754 res, err = old_member(obj, member);
758 return inject_binary_output(res, nil, _name .. "[" .. member .. "]");
760 getmtable(obj).name = function(obj)
763 getmtable(obj).__index = function(tab, name)
764 local x = getmtable(obj)[name];
768 error("Invalid method " .. name .. " for ArchiveOutput");
774 -- Redefined routines.
776 local rprint = print_console_msg;
777 print_console_msg = nil;
778 print = function(...)
784 x = x .. "\t" .. toString(y[i]);
791 print_console_msg = nil;
797 local stringfind = string.find;
798 local randname = loadmod("org.jpc.luaextensions.DelayedDelete").random_temp_name;
799 local selectname = loadmod("org.jpc.luaextensions.BaseFSOps").opensave_dialog;
800 local path = args["luapath"] or ".";
801 local toresourcename = function(resname, save, text)
803 return randname(path .. "/", "luatemp-");
806 if resname == "" and text then
808 a, b = selectname(save, text);
812 if stringfind(resname, "^/") then
814 error("Bad resource name (case 2): " .. resname);
817 a, b = selectname(save, string.sub(resname, 2));
821 if not stringfind(resname, "[%d%l%u_%-]") then
822 error("Bad resource name (case 1): " .. resname);
824 if stringfind(resname, "%.%.") then
825 error("Bad resource name (case 3): " .. resname);
827 if stringfind(resname, "\\") then
828 error("Bad resource name (case 4): " .. resname);
831 return resname, path .. "/" .. resname;
836 local openbinin = loadmod("org.jpc.luaextensions.BinaryInFile").open;
837 local openbinout = loadmod("org.jpc.luaextensions.BinaryOutFile").open;
838 local openarchin = loadmod("org.jpc.luaextensions.ArchiveIn").open;
839 local openarchout = loadmod("org.jpc.luaextensions.ArchiveOut").open;
840 local openbinary = loadmod("org.jpc.luaextensions.BinaryFile").open;
842 local baseFS = loadmod("org.jpc.luaextensions.BaseFSOps");
843 local mkdir = baseFS.mkdir;
844 local unlink = baseFS.unlink;
845 local rename = baseFS.rename;
847 local getmtable = getmetatable;
849 loadfile = function(_script)
850 local file, file2, err, content;
852 x, y = toresourcename(_script, false, "Select script to load");
853 if not x then return x, y; end
854 file, err = openbinin(y, "r");
856 return nil, "Can't open " .. _script .. ": " .. err;
858 file2, err = file:text();
860 return nil, "Can't transform " .. _script .. ": " .. err;
865 content = content .. line .. "\n";
870 return loadstring(content, _script);
873 io.open = function(name, mode)
878 _name, y = toresourcename(name, false, "Select file to read");
880 _name, y = toresourcename(name, true, "Select file to write");
882 if not _name then return _name, y; end
883 res, err = openbinary(y, mode);
887 return inject_binary_file(res, _name);
890 io.open_arch_read = function(name)
894 _name, y = toresourcename(name, false, "Select archive to read");
895 if not _name then return _name, y; end
896 res, err = openarchin(y);
900 return inject_archive_input(res, _name);
903 io.open_arch_write = function(name)
907 _name, y = toresourcename(name, true, "Select archive to write");
908 if not _name then return _name, y; end
909 res, err = openarchout(y);
913 return inject_archive_output(res, _name);
916 io.open_read = function(name)
920 _name, y = toresourcename(name, false, "Select file to read");
921 if not _name then return _name, y; end
922 res, err = openbinin(y);
926 return inject_binary_input(res, nil, _name);
929 io.open_write = function(name)
933 _name, y = toresourcename(name, true, "Select file to write");
934 if not _name then return _name, y; end
935 res, err = openbinout(y);
939 return inject_binary_output(res, nil, _name);
942 io.mkdir = function(name)
944 _name, y = toresourcename(name);
952 io.unlink = function(name)
954 _name, y = toresourcename(name);
962 io.rename = function(name1, name2)
965 _name, y = toresourcename(name1);
966 _name2, y2 = toresourcename(name2);
967 if rename(y, y2) then
968 return _name, _name2;
976 io.transform.text = function()
982 io.transform.four_to_five = function()
984 return obj:four_to_five();
988 io.transform.inflate = function()
990 return obj:inflate();
994 io.transform.deflate = function()
996 return obj:deflate();
1000 io.dotransform = function(obj, ...)
1004 for k, v in ipairs(todo) do
1015 io.dotransform2 = function(obj, err, ...)
1019 return io.dotransform(obj, err, ...);
1024 -- Various stuff built on top of ECI.
1025 local invoke = jpcrr.invoke;
1026 local invokecall = jpcrr.call;
1027 local invokesync = jpcrr.invoke_synchronous;
1029 jpcrr.sendevent = function(...)
1030 local arguments = {...};
1032 for k, v in ipairs(arguments) do
1033 arguments[k] = toString(v);
1035 invokesync("sendevent", arguments);
1038 jpcrr.sendevent_lowbound = function(...)
1039 local arguments = {...};
1041 for k, v in ipairs(arguments) do
1042 arguments[k] = toString(v);
1044 invokesync("sendevent-lowbound", arguments);
1047 jpcrr.save_state = function(name)
1048 local _name, _fname;
1049 _name, _fname = toresourcename(name, true, "File to savestate to");
1050 invokesync("state-save", {_fname});
1054 jpcrr.save_movie = function(name)
1055 local _name, _fname;
1056 _name, _fname = toresourcename(name, true, "File to save movie to");
1057 invokesync("movie-save", {_fname});
1061 jpcrr.load_state_normal = function(name)
1062 local _name, _fname;
1063 _name, _fname = toresourcename(name, false, "File to loadstate from");
1064 invokesync("state-load", {_fname});
1068 jpcrr.load_state_preserve_events = function(name)
1069 local _name, _fname;
1070 _name, _fname = toresourcename(name, false, "File to loadstate (preserve events) from");
1071 invokesync("state-load-noevents", {_fname});
1075 jpcrr.load_state_movie = function(name)
1076 local _name, _fname;
1077 _name, _fname = toresourcename(name, false, "File to load movie from");
1078 invokesync("movie-load", {_fname});
1082 jpcrr.assemble = function()
1083 invokesync("pc-assemble");
1086 jpcrr.change_authors = function()
1087 invokesync("change-authors");
1090 jpcrr.ram_dump = function(name, binary)
1091 local _name, _fname;
1092 _name, _fname = toresourcename(name, true, "Select file to ramdump to");
1094 invokesync("ram-dump-binary", {_fname});
1096 invokesync("ram-dump-text", {_fname});
1101 local poll_event = jpcrr.poll_event;
1102 local _print = print;
1103 local _unlock = jpcrr.release_vga;
1104 jpcrr.poll_event = function()
1106 local failed = false;
1108 a, b = poll_event();
1112 if a and a == "message" and message_function then
1113 a, b = pcall(message_function, b);
1115 _print("Error running message callback: " .. b);
1119 if a and a == "uiaction" and uiaction_function then
1120 a, b = pcall(uiaction_function, b);
1122 _print("Error running uiaction callback: " .. b);
1126 if a and a == "stop" and stop_function then
1127 a, b = pcall(stop_function);
1129 _print("Error running stop callback: " .. b);
1133 if a and a == "attach" and attach_function then
1134 a, b = pcall(attach_function);
1136 _print("Error running attach callback: " .. b);
1140 if a and a == "lock" and lock_function then
1141 a, b = pcall(lock_function);
1144 _print("Error running redraw callback: " .. b);
1151 if a and a == "lock" and stopping then
1160 local wait_event = jpcrr.wait_event;
1161 local _print = print;
1162 local _unlock = jpcrr.release_vga;
1163 jpcrr.wait_event = function()
1166 a, b = wait_event();
1167 if a and a == "message" and message_function then
1168 a, b = pcall(message_function, b);
1170 _print("Error running message callback: " .. b);
1174 if a and a == "uiaction" and uiaction_function then
1175 a, b = pcall(uiaction_function, b);
1177 _print("Error running uiaction callback: " .. b);
1181 if a and a == "stop" and stop_function then
1182 a, b = pcall(stop_function);
1184 _print("Error running stop callback: " .. b);
1188 if a and a == "attach" and attach_function then
1189 a, b = pcall(attach_function);
1191 _print("Error running attach callback: " .. b);
1195 if a and a == "lock" and lock_function then
1196 a, b = pcall(lock_function);
1199 _print("Error running redraw callback: " .. b);
1211 jpcrr.hud.left_gap = function(f, g)
1212 HUD("left_gap", f, g);
1215 jpcrr.hud.right_gap = function(f, g)
1216 HUD("right_gap", f, g);
1219 jpcrr.hud.top_gap = function(f, g)
1220 HUD("top_gap", f, g);
1223 jpcrr.hud.bottom_gap = function(f, g)
1224 HUD("bottom_gap", f, g);
1227 jpcrr.hud.white_solid_box = function(f, x, y, w, h)
1228 HUD("hud_white_solid_box", f, x, y, w, h);
1231 jpcrr.hud.box = function(f, x, y, w, h, t, lr, lg, lb, la, fr, fg, fb, fa)
1237 HUD("box", f, x, y, w, h, t, lr, lg, lb, la, fr, fg, fb, fa);
1240 jpcrr.hud.circle = function(f, x, y, r, t, lr, lg, lb, la, fr, fg, fb, fa)
1246 HUD("circle", f, x, y, r, t, lr, lg, lb, la, fr, fg, fb, fa)
1249 jpcrr.hud.bitmap = function(f, x, y, bmap, lr, lg, lb, la, fr, fg, fb, fa)
1255 HUD("bitmap", f, x, y, bmap, lr, lg, lb, la, fr, fg, fb, fa)
1258 jpcrr.hud.bitmap_binary = function(f, x, y, bmap, lr, lg, lb, la, fr, fg, fb, fa)
1264 HUD("bitmap_binary", f, x, y, bmap, lr, lg, lb, la, fr, fg, fb, fa)
1267 jpcrr.hud.chargen = function(f, x, y, text, multiline, lr, lg, lb, la, fr, fg, fb, fa)
1273 HUD("vga_chargen", f, x, y, text, lr, lg, lb, la, fr, fg, fb, fa, multiline)
1276 jpcrr.shutdown_emulator = function()
1277 invokesync("shutdown-emulator", {});
1280 jpcrr.set_pccontrol_pos = function(x, y)
1281 invokesync("pccontrol-setwinpos", {toString(x), toString(y)});
1284 jpcrr.set_luaplugin_pos = function(x, y)
1285 invokesync("luaplugin-setwinpos", {toString(x), toString(y)});
1288 jpcrr.set_pcmonitor_pos = function(x, y)
1289 invokesync("pcmonitor-setwinpos", {toString(x), toString(y)});
1292 jpcrr.set_pcstartstoptest_pos = function(x, y)
1293 invokesync("pcstartstoptest-setwinpos", {toString(x), toString(y)});
1296 jpcrr.set_virtualkeyboard_pos = function(x, y)
1297 invokesync("virtualkeyboard-setwinpos", {toString(x), toString(y)});
1300 jpcrr.exit = function()
1301 invokesync("luaplugin-terminate");
1304 jpcrr.pc_start = function()
1308 jpcrr.pc_stop = function()
1309 invokesync("pc-stop");
1312 jpcrr.screenshot = function(include_hud)
1314 invoke("screenshot-renderbuffer");
1316 invoke("screenshot-vgabuffer");
1320 jpcrr.bios_kbd_trap = function(is_on)
1322 invokesync("trap-bios-kbd-on");
1324 invokesync("trap-bios-kbd-off");
1328 jpcrr.vretrace_start_trap = function(is_on)
1330 invokesync("trap-vretrace-start-on");
1332 invokesync("trap-vretrace-start-off");
1336 jpcrr.vretrace_end_trap = function(is_on)
1338 invokesync("trap-vretrace-end-on");
1340 invokesync("trap-vretrace-end-off");
1344 jpcrr.timed_trap = function(nsecs)
1346 invokesync("trap-timed", {toString(nsecs)});
1348 invokesync("trap-timed-disable");
1352 jpcrr.write_byte = function(addr, value)
1353 invokesync("memory-write", {toString(addr), toString(value), "1"});
1356 jpcrr.write_word = function(addr, value)
1357 invokesync("memory-write", {toString(addr), toString(value), "2"});
1360 jpcrr.write_dword = function(addr, value)
1361 invokesync("memory-write", {toString(addr), toString(value), "4"});
1364 jpcrr.read_byte = function(addr)
1365 local t = {toString(addr), "1"};
1366 t = invokecall("memory-read", t);
1367 return (t or {})[1];
1370 jpcrr.read_word = function(addr)
1371 local t = {toString(addr), "2"};
1372 t = invokecall("memory-read", t);
1373 return (t or {})[1];
1376 jpcrr.read_dword = function(addr)
1377 local t = {toString(addr), "4"};
1378 t = invokecall("memory-read", t);
1379 return (t or {})[1];
1382 jpcrr.read_byte_signed = function(addr)
1383 local t = {toString(addr), "1"};
1384 t = invokecall("memory-read", t);
1385 return bit.tosigned((t or {})[1], 7);
1388 jpcrr.read_word_signed = function(addr)
1389 local t = {toString(addr), "2"};
1390 t = invokecall("memory-read", t);
1391 return bit.tosigned((t or {})[1], 15);
1394 jpcrr.read_dword_signed = function(addr)
1395 local t = {toString(addr), "4"};
1396 t = invokecall("memory-read", t);
1397 return bit.tosigned((t or {})[1], 31);
1400 local e_wait_event = jpcrr.wait_event;
1401 local running = jpcrr.pc_running;
1402 local stop_and_execute_in_progress = false;
1403 jpcrr.stop_and_execute = function(f)
1406 if stop_and_execute_in_progress then
1409 if not running() then
1412 error("Error in after stop callback: " .. b);
1418 stop_and_execute_in_progress = true;
1419 a, b = e_wait_event();
1420 stop_and_execute_in_progress = false;
1421 if a and a == "lock" then
1426 elseif a and (a == "stop" or a == "attach") then
1433 error("Error in after stop callback: " .. b);
1440 jpcrr.invoke_synchronous = nil;
1444 dofile = function(_script)
1445 local chunk, err, indication
1446 chunk, err = loadfile(_script);
1448 error("Kernel: Can't load subscript " .. _script .. ": " .. err);
1456 for k, v in pairs(args2) do
1457 if (#k > 2 and string.byte(k, 1) == 120 and string.byte(k, 2) == 45) then
1458 args[string.sub(k, 3)] = v;
1465 loaded, err = pcall(function()
1466 chunk, err = loadfile(script);
1472 print("Kernel: Can't load script " .. script .. ": " .. err);
1473 invoke("luaplugin-terminate");
1478 indication, err = pcall(chunk);
1479 if not indication then
1480 print("Kernel: Unprotected error in script: " .. err);
1481 invoke("luaplugin-terminate");