1 #LyX 1.6.5 created this file. For more info see http://www.lyx.org/
6 \use_default_options true
11 \font_typewriter default
12 \font_default_family default
19 \paperfontsize default
28 \paperorientation portrait
38 \paragraph_separation indent
40 \quotes_language english
43 \paperpagestyle default
44 \tracking_changes false
60 \begin_layout Standard
61 JPC-RR is licenced under GNU GPL v2.
63 \begin_inset Quotes eld
67 \begin_inset Quotes erd
77 \begin_layout Subsection
81 \begin_layout Standard
82 To get started, you need BIOS image, VGABIOS image and DOS boot floppy and
83 JDK for Java 6 standard edition (later versions should they appear should
85 Note: JRE is not enough.
89 \begin_layout Standard
90 Note that to play back recorded movies, you need exact same version of BIOS
91 image, VGABIOS image and DOS boot floppy as was used when making the movie
92 (in addition to exact same versions of other needed media).
95 \begin_layout Subsection
99 \begin_layout Standard
100 See compile.sh or compile.bat.
101 The streamtools stuff is only needed for dumping videos.
104 \begin_layout Subsection
108 \begin_layout Standard
109 First you need to get and make some important images.
110 Obtain BIOS image, VGABIOS image and DOS boot floppy from somewhere.
111 After starting the emulator, use Drives -> Import Image to import the images
112 (ignore the error about no BIOS images being found).
115 \begin_layout Subsection
119 \begin_layout Standard
120 There is premade autoexec script called assemble.bat that has fairly reasonable
125 \begin_layout LyX-Code
126 java JPCApplication -library library -autoexec assemble.bat
129 \begin_layout Standard
131 \begin_inset Quotes eld
135 \begin_inset Quotes erd
138 specifies that contents of directory 'library' are to be used as library.
139 The script pops up settings for new emulated PC (if you want to load savestate,
141 Select BIOS and VGABIOS for BIOS and VGABIOS image (they should be already
142 selected), DOSfloppy for fda (boot device should be set to fda) and game
143 image as some HD drive
146 \begin_layout Subsection
150 \begin_layout Itemize
151 Putting the game as hdd (the fourth hard disk slot) causes boot to be bit
155 \begin_layout Itemize
156 Some BIOS versions have
157 \begin_inset Quotes eld
160 press F12 to select boot device
161 \begin_inset Quotes erd
165 Hit <enter> from emulated keyboard and that prompt will go away in about
166 half emulated second (it stays several emulated seconds otherwise).
170 \begin_layout Itemize
171 If game doesn't need lots of memory, hitting F5 to skip intialization files
173 If it does need more memory, run config.sys commands but not autoexec.bat.
177 \begin_layout Itemize
178 Some DOS disks have DOSIDLE with them, don't use it as it messes badly with
182 \begin_layout Section
183 Making JPC-RR format images from raw images
186 \begin_layout Standard
187 Due to various factors, JPC-RR can't use raw image files directly but requires
188 its own image format.
192 \begin_layout Subsection
193 Importing images from GUI:
196 \begin_layout Standard
197 Use Drives -> Import Image to import existing directories or image files.
198 Dialog prompting parameters will be displayed.
199 When importing floppy images, check
200 \begin_inset Quotes eld
204 \begin_inset Quotes erd
207 if possible, that enables geometry autodetection, which is reasonable virtually
208 all of the time it is offered.
211 \begin_layout Subsection
215 \begin_layout Itemize
216 If making image from directory, the names of the files must conform to FAT
217 naming restrictions (8+3 character names, no spaces, etc).
218 Avoid filenames with non-ASCII characters.
222 \begin_layout Itemize
223 The DOS limit of 112 or 224 files for floppies does not apply to images
224 created from directory trees.
225 The minimum limit value used is 512.
226 If even that isn't enough, the limit is automatically increased to fit
227 all the needed directory entries.
230 \begin_layout Itemize
231 Making boot disks from tree does NOT work.
232 Even if you got system boot files there, it still won't work.
235 \begin_layout Itemize
236 Only floppy disks and hard drives can be made from directory trees.
237 BIOS images and CDROM images require image file.
240 \begin_layout Itemize
241 Avoid floppies with custom geometry (floppy geometry does affect disk ID).
242 Disks with over 63 sectors per track don't work with DOS.
243 Wheither disks with over 127 tracks per side work with DOS is unknown.
244 Also avoid 1024-tracks per side HDDs.
247 \begin_layout Itemize
248 The geometry limits are: 2-1024 tracks per side for HDD, 1-256 tracks per
250 1-63 sectors per track for HDD, 1-255 sectors per track for floppy.
251 1-16 sides for HDD, 1 or 2 sides for floppy.
252 This gives size limit of 65280KiB for floppy disks (but note the DOS limit!)
253 and 516096KiB for HDDs.
256 \begin_layout Itemize
257 There are multiple image file contents that represent the same image.
258 The one with smallest size is picked when creating image.
261 \begin_layout Itemize
262 Note: Although the IDs are 128 bits long, they are not MD5 hashes.
266 \begin_layout Subsection
267 Importing from command line
270 \begin_layout Standard
271 There is tool called ImageMaker that can make JPC-RR images from raw images.
272 Each image has format, ID an name.
273 Format and name are specified when making image.
274 ID is automatically calculated from format and contents.
275 Name does not affect the ID but is purely for convience so one doesn't
276 have to specify long image IDs manually.
279 \begin_layout Subsubsection
283 \begin_layout Standard
284 The syntax for ImageMaker when making images is:
287 \begin_layout LyX-Code
288 $ java ImageMaker <format> [<options>...] <destination> <source> <name>
291 \begin_layout Standard
292 <destination> is file name for JPC-RR format image to write.
293 <source> is either name of regular file (raw image file) or name of directory
294 tree with files (supported for making floppy or hard disk images only).
295 In case of directory tree, the files are layout deterministically to disk,
296 so the ID will always be the same for given geometry and type.
297 <name> is name to give to disk.
301 \begin_layout LyX-Code
302 --BIOS BIOS image (note: VGABIOS is also of this type).
305 \begin_layout LyX-Code
306 --CDROM CD-ROM image.
309 \begin_layout LyX-Code
310 --HDD=cylinders,sectors,heads Hard disk with specified geometry.
313 \begin_layout LyX-Code
314 --floppy=tracks,sectors,sides Floppy disk with specified geometry.
317 \begin_layout LyX-Code
318 --floppy160 160KiB floppy (40 tracks, 8 sectors, Single sided).
321 \begin_layout LyX-Code
322 --floppy180 180KiB floppy (40 tracks, 9 sectors, Single sided).
325 \begin_layout LyX-Code
326 --floppy320 320KiB floppy (40 tracks, 8 sectors, Double sided).
329 \begin_layout LyX-Code
330 --floppy360 360KiB floppy (40 tracks, 9 sectors, Double sided).
333 \begin_layout LyX-Code
334 --floppy410 410KiB floppy (41 tracks, 10 sectors, Double sided).
337 \begin_layout LyX-Code
338 --floppy420 420KiB floppy (42 tracks, 10 sectors, Double sided).
341 \begin_layout LyX-Code
342 --floppy720 720KiB floppy (80 tracks, 9 sectors, Double sided).
345 \begin_layout LyX-Code
346 --floppy800 800KiB floppy (80 tracks, 10 sectors, Double sided).
349 \begin_layout LyX-Code
350 --floppy820 820KiB floppy (82 tracks, 10 sectors, Double sided).
353 \begin_layout LyX-Code
354 --floppy830 830KiB floppy (83 tracks, 10 sectors, Double sided).
357 \begin_layout LyX-Code
358 --floppy880 880KiB floppy (80 tracks, 11 sectors, Double sided).
361 \begin_layout LyX-Code
362 --floppy1040 1040KiB floppy (80 tracks, 13 sectors, Double sided).
365 \begin_layout LyX-Code
366 --floppy1120 1120KiB floppy (80 tracks, 14 sectors, Double sided).
369 \begin_layout LyX-Code
370 --floppy1200 1200KiB floppy (80 tracks, 15 sectors, Double sided).
373 \begin_layout LyX-Code
374 --floppy1440 1440KiB floppy (80 tracks, 18 sectors, Double sided).
377 \begin_layout LyX-Code
378 --floppy1476 1476KiB floppy (82 tracks, 18 sectors, Double sided).
381 \begin_layout LyX-Code
382 --floppy1494 1494KiB floppy (83 tracks, 18 sectors, Double sided).
385 \begin_layout LyX-Code
386 --floppy1600 1600KiB floppy (80 tracks, 20 sectors, Double sided).
389 \begin_layout LyX-Code
390 --floppy1680 1680KiB floppy (80 tracks, 21 sectors, Double sided).
393 \begin_layout LyX-Code
394 --floppy1722 1722KiB floppy (82 tracks, 21 sectors, Double sided).
397 \begin_layout LyX-Code
398 --floppy1743 1743KiB floppy (83 tracks, 21 sectors, Double sided).
401 \begin_layout LyX-Code
402 --floppy1760 1760KiB floppy (80 tracks, 22 sectors, Double sided).
405 \begin_layout LyX-Code
406 --floppy1840 1840KiB floppy (80 tracks, 23 sectors, Double sided).
409 \begin_layout LyX-Code
410 --floppy1920 1920KiB floppy (80 tracks, 24 sectors, Double sided).
413 \begin_layout LyX-Code
414 --floppy2880 2880KiB floppy (80 tracks, 36 sectors, Double sided).
417 \begin_layout LyX-Code
418 --floppy3120 3120KiB floppy (80 tracks, 39 sectors, Double sided).
421 \begin_layout LyX-Code
422 --floppy3200 3200KiB floppy (80 tracks, 40 sectors, Double sided).
425 \begin_layout LyX-Code
426 --floppy3520 3520KiB floppy (80 tracks, 44 sectors, Double sided).
429 \begin_layout LyX-Code
430 --floppy3840 3840KiB floppy (80 tracks, 48 sectors, Double sided).
433 \begin_layout Subsubsection
437 \begin_layout LyX-Code
438 --volumelabel=label Give specified volume label (affects ID).
439 Only meaningful when making image out of directory tree.
440 Default is no volume label.
443 \begin_layout LyX-Code
444 --timestamp=YYYYMMDDHHMMSS Give specified timestamp for files (affects ID).
445 Only meaningful when making image out of directory tree.
446 The default timestamp is 19900101T000000Z.
449 \begin_layout Subsubsection
453 \begin_layout Standard
457 \begin_layout LyX-Code
458 $ java ImageMaker <imagefile>
461 \begin_layout Standard
462 Variety of information about image is displayed (especially for floppies/HDDs).
463 Two important fields are calculated and claimed disk ID.
464 They should be the same.
465 If they are not, then the image file is corrupt (sadly, imagemaker has
466 bugs and bugs that cause it to write corrupt images have been seen).
469 \begin_layout Subsection
470 Advanced: The disk ID algorithm
473 \begin_layout Standard
474 The disk ID is calculated as:
477 \begin_layout LyX-Code
478 Skein-256-128-deprecated(<typecode>|<geometry>|<image>)
481 \begin_layout Standard
482 Where Skein-256-128-deprecated is Skein hash function with 256-bit internal
483 state and 128-bit output using the deprecated rotation constants (as specified
484 in Skein hash function reference documentation versions 1.0 and 1.1).
485 The <image> is the whole image, including parts not stored in image file.
486 The reason for keeping using the deprecated constants are:
489 \begin_layout Itemize
490 Changing the constants would change the IDs, which would invalidate existing
494 \begin_layout Itemize
495 This is not about cryptographic security
498 \begin_layout Itemize
499 The new constants don't improve security that much anyway.
502 \begin_layout Subsubsection
506 \begin_layout Standard
507 Floppies have <typecode> value 0 (single byte) and HDDs have 1 (single byte).
508 <geometry> is as follows (this is exactly the same form as it appears in
512 \begin_layout LyX-Code
513 Byte 0 bits 0-1: Bits 8-9 of track count per side - 1.
516 \begin_layout LyX-Code
517 Byte 0 bits 2-5: Head count - 1.
520 \begin_layout LyX-Code
521 Byte 0 bits 6-7: Reserved, must be 0.
524 \begin_layout LyX-Code
525 Byte 1: Bits 0-7 of track count per side - 1.
528 \begin_layout LyX-Code
529 Byte 2: Sector count per track - 1.
532 \begin_layout Subsubsection
533 CD-ROM and BIOS images
536 \begin_layout Standard
537 CD-ROMs have <typecode> value 2 (single byte) and BIOS images have 3 (single
542 \begin_layout Subsection
543 Advanced: Disk Image format
546 \begin_layout Standard
547 The disk image consists of following parts, concatenated in this order without
551 \begin_layout Itemize
555 \begin_layout Itemize
559 \begin_layout Itemize
563 \begin_layout Itemize
567 \begin_layout Itemize
571 \begin_layout Itemize
572 type-specific geometry/size data
575 \begin_layout Itemize
579 \begin_layout Itemize
583 \begin_layout Subsubsection
587 \begin_layout Standard
588 Magic in disk image files is following 5 bytes:
589 \begin_inset Quotes eld
593 \begin_inset Quotes erd
599 \begin_layout Subsubsection
603 \begin_layout Standard
604 Disk ID is given as 16 bytes, encoding the 128-bit disk ID.
607 \begin_layout Subsubsection
611 \begin_layout Standard
612 Type code is single byte.
613 0 for floppies, 1 for HDDs, 2 for CD-ROMs and 3 for BIOS images.
614 Other values are reserved.
617 \begin_layout Subsubsection
621 \begin_layout Standard
623 Disk name length is given as two-byte big-endian value.
624 New images should have 0 here.
627 \begin_layout Subsubsection
631 \begin_layout Standard
633 Name field is there for backward compatiblity.
634 Disk name length gives length of this field in bytes.
637 \begin_layout Subsubsection
638 Type-specific geometry/size data (floppies and HDDs)
641 \begin_layout Standard
642 Floppies and HDDs have 3-byte geometry data:
645 \begin_layout LyX-Code
646 Byte 0 bits 0-1: Bits 8-9 of track count per side - 1.
649 \begin_layout LyX-Code
650 Byte 0 bits 2-5: Head count - 1.
653 \begin_layout LyX-Code
654 Byte 0 bits 6-7: Reserved, must be 0.
657 \begin_layout LyX-Code
658 Byte 1: Bits 0-7 of track count per side - 1.
661 \begin_layout LyX-Code
662 Byte 2: Sector count per track - 1.
665 \begin_layout Subsubsection
666 Type specific-geometry/size data (CD-ROMs)
669 \begin_layout Standard
670 CD-ROMs have 4-byte big-endian sector (512 bytes!) count.
673 \begin_layout Subsubsection
674 Type specific-geometry/size data (BIOS images)
677 \begin_layout Standard
678 BIOS images have 4-byte big-endian byte (not sector or block) count.
681 \begin_layout Subsubsection
682 Actual image data (floppy/HDD)
685 \begin_layout Standard
686 Floppy or HDD imagedata consists of following subparts:
689 \begin_layout Itemize
693 \begin_layout Itemize
697 \begin_layout Itemize
701 \begin_layout Itemize
705 \begin_layout Standard
706 Storage method is single byte.
707 Sectors present gives number of last nonzero sector + 1 (zero if image
711 \begin_layout Subsubsection
712 Floppy/HDD storage method 0: Raw storage
715 \begin_layout Standard
716 This storage method has empty header.
717 Image data is raw dump of first sectors present sectors.
720 \begin_layout Subsubsection
721 Floppy/HDD storage method 1: Sectormap
724 \begin_layout Standard
725 Image data header contains bitfield with just enough bytes to have one bit
727 The order of bits is such that number of bit corresponding to each sector
728 in byte is sector number modulo 8 and byte number is floor of sector number
729 divided by 8 when sector numbers are counted from zero.
730 If bit corresponding to sector is set, then the sector is present in image
731 data, otherwise it is absent and assumed to be all-zeroes.
734 \begin_layout Standard
735 Image data contains dumps of all present sectors in order of increasing
739 \begin_layout Subsubsection
740 Floppy/HDD storage method 2: Extent first sector zero
743 \begin_layout Standard
744 Image data is empty as storage-specific data is mangled with image data.
745 The image data alternates between blocks encoding zero sectors and blocks
746 encoding nonzero sectors.
747 The first block encodes zero sectors.
751 \begin_layout Standard
752 Block encoding zero sectors consist of single 1-4 byte little-endian value
753 encoding number of sectors in block - 1.
754 Number of bytes is determined by sectors present value.
755 It is 1 for 1-256 sectors, 2 for 257-65536, 3 for 65537-16777216 and 4
756 for more than 16777216.
757 All sectors in block are filled with zeroes and are not stored.
760 \begin_layout Standard
761 Block encoding nonzero sectors has same block count as zero sector block
762 but is followed by the sectors stored raw.
765 \begin_layout Subsubsection
766 Floppy/HDD storage method 3: Extent first sector nonzero
769 \begin_layout Standard
770 Same as storage method 2 but first block is nonzero sector block.
773 \begin_layout Subsubsection
774 Actual image data (CD-ROMs and BIOS images)
777 \begin_layout Standard
778 These store image data raw.
779 The amount of data is specified by sector/byte count.
782 \begin_layout Subsubsection
786 \begin_layout Standard
787 Comments are given as list of strings, with UTF-8 encoded strings following
788 2-octet big-endian length.
789 Comment list is terminated by entry with length 0 (0x00 0x00).
790 Comments are optional and may be absent.
793 \begin_layout Section
797 \begin_layout Standard
798 The actual emulator is invoked as:
801 \begin_layout LyX-Code
802 $ java JPCApplication <options>...
805 \begin_layout Standard
806 The valid options are:
809 \begin_layout LyX-Code
810 -library <library> Use the specified directory when searching for images
811 (can only be specified once).
814 \begin_layout LyX-Code
815 -autoexec <script> Execute contents of specified file as commands when starting
819 \begin_layout Subsection
823 \begin_layout Standard
824 When emulator is started, command line comes up.
825 Following commands are known:
828 \begin_layout Itemize
829 'exit': exit immediately
832 \begin_layout Itemize
833 'load <plugin>': Load plugin (no arguments)
836 \begin_layout Itemize
837 'load <plugin>(<arguments>)': load plugin with arguments.
840 \begin_layout Itemize
841 'command <command> [<arguments>...]': Invoke command via external command interface.
844 \begin_layout Itemize
845 'call<command> [<arguments>...]': Invoke command via external command interface
846 and print return values.
849 \begin_layout Standard
850 When one gets command line, its useful to load some plugins.
851 See section about plugins.
852 Note: Load runner plugin (PCControl/PCRunner and so) last, as some runners
853 like to start PC immediately.
856 \begin_layout Subsection
857 PC settings dialog notes
860 \begin_layout Itemize
861 CPU divider base frequency before division is 1GHz.
864 \begin_layout Itemize
865 Images can be specified by name or by ID.
866 Name is relative to library directory.
867 If the image is in subdirectory of image directory, the directory separator
868 is is '/' regardless of what the host OS uses.
871 \begin_layout Itemize
872 CD-ROM and hdc are mutually exclusive
875 \begin_layout Itemize
876 Modules is comma-seperated list of modules to load.
877 To pass arguments to some modules, enclose the arguments in ().
878 Same module can be specified twice only if parameters differ.
881 \begin_layout Itemize
882 Setting boot device doesn't work with some BIOS versions.
883 Those versions prompt the boot device anyway.
886 \begin_layout Subsection
887 Audio output channels
890 \begin_layout Standard
891 PC can have one or more audio output channels.
892 The name of audio output associated with PC speaker is: 'org.jpc.emulator.peripher
894 Modules that have audio outputs get channel names of form <classname>-<sequenti
895 al>, where <classname> is name of main module class and sequential is number
897 Note that same module can have multiple output channels.
898 If multiple modules of same class request audio outputs, the <sequential>
899 values of subsequent module start where previous left off.
902 \begin_layout Subsection
906 \begin_layout Standard
907 Plugins actually execute the tasks of the emulator.
908 They can be loaded using
909 \begin_inset Quotes eld
913 \begin_inset Quotes erd
916 or 'load <plugin>(<arguments>)
917 \begin_inset Quotes erd
923 \begin_layout Standard
924 Different Plugins using the same output (like running PCMonitor and RAWVideoDump
925 er) should not conflict because connector output hold locking is desinged
926 to handle multiple readers.
929 \begin_layout Standard
930 If no plugin used requires GUI, then the emulator can be run without having
934 \begin_layout Subsubsection
935 plugin: org.jpc.plugins.PCControl
938 \begin_layout Standard
939 No arguments, requires and uses GUI.
942 \begin_layout Standard
943 Runs the PC emulator core.
944 Has capability to start/stop emulation, breakpoint after certain time or
945 start/end of VGA vertical retrace.
946 Also can create, savestate and loadstate PC emulation.
947 Memory dumping is supported.
951 \begin_layout Subsubsection
952 plugin: org.jpc.plugins.PCRunner
955 \begin_layout Standard
956 Takes 'movie=<file>' as argument and optionally 'stoptime=<time>' Does not
960 \begin_layout Standard
961 Loads PC from savestate and just runs it.
963 Also automatically quits once stoptime is reached.
966 \begin_layout Subsubsection
967 plugin: org.jpc.plugins.PCMonitor
970 \begin_layout Standard
971 No arguments, requires and uses GUI.
974 \begin_layout Standard
975 VGA monitor for emulated PC.
978 \begin_layout Subsubsection
979 plugin: org.jpc.plugins.VirtualKeyboard
982 \begin_layout Standard
983 No arguments, requires and uses GUI.
986 \begin_layout Standard
987 On-screen keyboard for emulated PC.
990 \begin_layout Subsubsection
991 plugin: org.jpc.plugins.PCStartStopTest
994 \begin_layout Standard
995 No arguments, requires and uses GUI.
998 \begin_layout Standard
999 Small plugin testing remote PC start/stop.
1000 Also supports sending some common keypresses.
1003 \begin_layout Subsubsection
1004 plugin: org.jpc.plugins.RAWVideoDumper
1007 \begin_layout Standard
1008 Takes 'rawoutput=<file>' as argument.
1009 Does not require nor use GUI.
1012 \begin_layout Standard
1013 Dumps all generated frames to RAW file <file>.
1014 Rawoutput is required.
1015 The raw file consists of concatenation of zlib streams.
1016 The uncompressed stream is concatenation of time skips (FFh FFh FFh FFh),
1017 each acting as time offset of 2^32-1 nanoseconds and saved frames.
1018 The saved frame has time offset in nanoseconds (big endian) as first four
1019 bytes (must be at most 2^32-2, as 2^32-1 is reserved for time skip).
1020 The next two bytes are big-endian width, next two big-endian height.
1021 Finally frame has 4 * width * height bytes of data that encodes pixels
1022 using 4 bytes per pixel, in left-to-right, up-to-down order.
1023 Byte 0 of each pixel is reserved, byte 1 is the red channel, byte 2 is
1024 green channel and byte 3 is blue channel.
1027 \begin_layout Standard
1028 Dumping to pipe is supported.
1031 \begin_layout Subsubsection
1032 plugin: org.jpc.plugins.RAWAudioDumper
1035 \begin_layout Standard
1036 Takes 'src=<name of audio output channel>', 'file=<output-filename>' and
1037 'offset=<offset>' as arguments, separated by ','.
1038 Does not require nor use GUI.
1041 \begin_layout Standard
1042 Dumps output from specified audio output channel (src, mandatory) to RAW-format
1043 file (file, mandatory).
1044 The resulting file consists of records, 4 or 8 bytes each.
1045 4 byte record consists of 0xFF 0xFF 0xFF 0xFF and means to increase next
1047 \begin_inset Formula $2^{32}-1$
1051 Otherwise record is 8 bytes.
1052 Each 8 byte record has three fields.
1053 First 4 byte unsinged big endian timedelta value (in nanoseconds, must
1055 \begin_inset Formula $2^{32}-1$
1058 ), then 2 byte signed big endian new left channel volume, then 2 byte signed
1059 big endian new right channel volume.
1060 Optionally 'offset' can be set to positive value (in nanoseconds) to delay
1064 \begin_layout Subsubsection
1065 plugin: org.jpc.plugins.LuaPlugin
1068 \begin_layout Standard
1069 Takes 'kernel=<name of lua kernel file>', other parameters are passed to
1070 kernel, requires and uses GUI.
1073 \begin_layout Standard
1074 Lua VM for executing scripts.
1077 \begin_layout Subsubsection
1078 plugin: org.jpc.plugins.JoystickInput
1081 \begin_layout Standard
1083 Displays window for sending joystick input.
1086 \begin_layout Section
1090 \begin_layout Subsection
1091 org.jpc.modules.Joystick:
1094 \begin_layout Itemize
1098 \begin_layout Itemize
1099 Resources: I/O port 0x201
1102 \begin_layout Standard
1103 Emulates joystick game port.
1106 \begin_layout Subsection
1107 org.jpc.modules.SoundCard
1110 \begin_layout Itemize
1111 Arguments: Optional resources specification
1114 \begin_layout Itemize
1115 Resources (defaults): I/O port 0x220-0x22F, IRQ 5, DMA 1, DMA 5
1118 \begin_layout Standard
1119 Emulates Sound card.
1122 \begin_layout Subsection
1123 org.jpc.modules.FMCard
1126 \begin_layout Itemize
1127 Arguments: Optional resources specification
1130 \begin_layout Itemize
1131 Resources (defaults): I/O port 0x338-0x33B
1134 \begin_layout Standard
1138 \begin_layout Subsection
1139 org.jpc.modules.BasicFPU:
1142 \begin_layout Itemize
1146 \begin_layout Itemize
1150 \begin_layout Standard
1151 Crude FPU (x87) emulator.
1154 \begin_layout Section
1158 \begin_layout Standard
1159 Hacks are saved to savestates but not movies.
1162 \begin_layout Subsection
1166 \begin_layout Standard
1167 Force bit 1 of physical address 0x0410 to zero, signaling that the system
1169 BIOS assumes system has FPU but some games use that bit to detect FPU,
1170 trying to use it if it is
1171 \begin_inset Quotes eld
1175 \begin_inset Quotes erd
1179 Try this if game startup hangs with lots of trying to use FPU but not present
1181 Don't use if there is FPU present.
1182 Needed to get games like Blake Stone / Wolfenstein 3-D to work (FPU emulator
1183 allows it to start but causes graphical glitches).
1186 \begin_layout Subsection
1190 \begin_layout Standard
1191 Update basic VGA parameters before vretrace, not after it.
1193 Commander Keen 4) don't like if this isn't done and some games (e.g.
1194 Mario & Luigi) don't like if it is done.
1195 Wrong value manifests as jerky scrolling (scrolling back and forth and
1196 fixed statusbars move).
1199 \begin_layout Section
1200 Some error messages and explanations
1203 \begin_layout Itemize
1204 <filename> is Not a valid image file
1207 \begin_layout Itemize
1208 <filename> is not image file
1211 \begin_layout Itemize
1212 <filename> claims to be floppy with illegal geometry: <x> tracks, <y> sides
1216 \begin_layout Itemize
1217 <filename> claims to be HDD with illegal geometry: <x> tracks, <y> sides
1221 \begin_layout Itemize
1222 Can't read disk image sector map.
1225 \begin_layout Itemize
1226 Can't read disk image extent.
1229 \begin_layout Standard
1230 Code expects <filename> to be valid JPC-RR format image, but it isn't JPC-RR
1231 image at all or its corrupt.
1234 \begin_layout Itemize
1235 <filename> is image of unknown type.
1238 \begin_layout Itemize
1239 <filename> has unrecognized geometry <x> <y> <z>
1242 \begin_layout Standard
1243 Possibly corrupt image, not JPC-RR image, or JPC-RR image from future version
1244 containing something current version can't comprehend.
1247 \begin_layout Itemize
1248 Invalid format specifier <something>.
1251 \begin_layout Itemize
1252 Invalid syntax of --floppy= or --HDD= option.
1255 \begin_layout Itemize
1256 Invalid format specifier/option <something>.
1259 \begin_layout Standard
1260 Invalid option or format specifier was given.
1264 \begin_layout Itemize
1265 java ImageMaker [<options>...] <format> <destination> <source> <diskname>
1268 \begin_layout Standard
1269 Check syntax of command.
1270 Especially that diskname is present!
1273 \begin_layout Itemize
1274 The image has <nnn> sectors while it should have <yyy> according to selected
1278 \begin_layout Itemize
1279 Raw image file length not divisible by 512.
1282 \begin_layout Itemize
1283 Trying to read sector out of range.
1286 \begin_layout Standard
1287 The selected geometry is wrong or raw image is incomplete.
1290 \begin_layout Itemize
1291 Invalid disk name (Should not happen!).
1294 \begin_layout Itemize
1295 Invalid geometry to be written.
1298 \begin_layout Standard
1299 This is a very likely a bug in program.
1302 \begin_layout Itemize
1303 What the heck <filename> is? It's not regular file nor directory.
1306 \begin_layout Standard
1307 That sort of file can't be used as input for image making, or the file just
1311 \begin_layout Itemize
1312 BIOS images can only be made out of regular files.
1315 \begin_layout Itemize
1316 CD images can only be made out of regular files.
1319 \begin_layout Standard
1320 Source image specified is not regular file, but image of that type can't
1321 be made of anything else.
1324 \begin_layout Itemize
1325 Can't read raw bios image file.
1328 \begin_layout Itemize
1329 Can't read sector <nnn> from image.
1332 \begin_layout Standard
1333 Reading the raw image file failed for some reason.
1336 \begin_layout Itemize
1337 Bad library line: "<something>".
1341 \begin_layout Standard
1342 Syntax error in image library.
1345 \begin_layout Itemize
1346 Removing image <something> a.k.a.
1347 "<something>" as it no longer exists.
1350 \begin_layout Standard
1351 The image file no longer exists so it gets removed from library.
1354 \begin_layout Itemize
1355 Removing image <something> a.k.a.
1356 "<something>" due to <some> conflict.
1359 \begin_layout Standard
1360 Image library code killed some image from library due to some kind of conflict
1361 with image being added.
1364 \begin_layout Itemize
1365 Too much data to fit into given space.
1368 \begin_layout Standard
1369 The tree you gave contains takes just too much space to fit into disk of
1373 \begin_layout Section
1374 Advanced: Savestate/movie format
1377 \begin_layout Subsection
1378 Special character classes
1381 \begin_layout Subsubsection
1385 \begin_layout Standard
1386 Following Unicode codepoints (encoded as UTF-8) are interpretted as space
1390 \begin_layout Itemize
1391 Codepoints 0x20, and 0x09.
1394 \begin_layout Itemize
1395 Codepoints 0x1680, 0x180E, 0x2028, 0x205F and 0x3000
1398 \begin_layout Itemize
1399 Codepoints 0x2000-0x200A.
1402 \begin_layout Subsubsection
1406 \begin_layout Standard
1407 Following byte sequences are interpretted as linefeeds (line change):
1410 \begin_layout Itemize
1411 Byte 0x0A (UTF-8 encoded codepoint 0x0A)
1414 \begin_layout Itemize
1415 Byte 0x0D (UTF-8 encoded codepoint 0x0D)
1418 \begin_layout Itemize
1419 Byte 0x1C (UTF-8 encoded codepoint 0x1C)
1422 \begin_layout Itemize
1423 Byte 0x1D (UTF-8 encoded codepoint 0x1D)
1426 \begin_layout Itemize
1427 Byte 0x1E (UTF-8 encoded codepoint 0x1E)
1430 \begin_layout Itemize
1431 Bytes 0xC2 0x85 (UTF-8 for unicode control character NL, codepoint 0x85)
1434 \begin_layout Itemize
1435 Bytes 0xE2 0x80 0xA9 (UTF-8 encoded codepoint 0x2029)
1438 \begin_layout Subsection
1442 \begin_layout Standard
1443 JRSR archive format packs multiple text archive members to text archive.
1444 It does not support binary members.
1445 JRSR archives have first five or six bytes form the magic.
1447 \begin_inset Quotes eld
1451 \begin_inset Quotes erd
1454 followed by LINEFEED character There are four kinds of lines after that
1455 (lines are terminated by LINEFEED byte/bytes):
1458 \begin_layout Itemize
1462 \begin_layout Itemize
1466 \begin_layout Itemize
1470 \begin_layout Itemize
1474 \begin_layout Standard
1475 Sequencing rules are as follows: Start member is allowed anywhere (after
1477 Member line is allowed only inside member (member started but not ended).
1478 End member is only allowed inside member.
1479 End of file is only allowed outside member.
1480 Blank line is allowed anywhere after magic.
1483 \begin_layout Subsubsection
1487 \begin_layout Standard
1488 Start member line is given as
1489 \begin_inset Quotes eld
1493 \begin_inset Quotes erd
1496 <SPACE>+ <membername> <LINEFEED>.
1497 <SPACE>+ any number of SPACE characters at least one and <LINEFEED> is
1499 The member name is UTF-8 encoded and maximum allowed line length is 2048
1500 bytes (including LINEFEED, which means name is limited to 509-2040 codepoints
1501 depending on characters used).
1502 Starting member inside another implicitly ends the previous member.
1505 \begin_layout Subsubsection
1509 \begin_layout Standard
1510 Member line is given as
1511 \begin_inset Quotes eld
1515 \begin_inset Quotes erd
1518 <content><LINEFEED>.
1519 It gives another line for member contents.
1520 <content> is passed raw to layers above (followed by line termination)
1523 \begin_layout Subsubsection
1527 \begin_layout Standard
1528 End member line is given as
1529 \begin_inset Quotes eld
1533 \begin_inset Quotes erd
1537 It ends the current member.
1538 The following line can only be start member line or file may end.
1541 \begin_layout Subsubsection
1545 \begin_layout Standard
1546 Blank line is given as <LINEFEED>.
1547 Lines like that are ignored.
1550 \begin_layout Subsection
1551 Four-to-Five encoding
1554 \begin_layout Standard
1555 Binary members are encoded into text by so-called four-to-five encoding.
1556 This encoding can encode single byte to two, two bytes to three, three
1557 bytes to four and four bytes to five.
1558 Four-to-five encoding has five kinds of blocks.
1559 All SPACE and LINEFEED characters are completely ignored, even in middle
1563 \begin_layout Subsubsection
1567 \begin_layout Standard
1568 End stream block is encoded as '!'.
1569 It ends the stream instantly.
1570 There is also implicit end of stream at end of input to decoding.
1573 \begin_layout Subsubsection
1574 Other four block types
1577 \begin_layout Standard
1578 Other four block types take the value to be encoded, read it as big-endian
1580 Then they write it as base-93 big-endian value.
1581 Then length specific constants are added to digits of that number to yield
1582 ASCII values for characters (those are stored in order):
1585 \begin_layout Standard
1586 \begin_inset Tabular
1587 <lyxtabular version="3" rows="5" columns="6">
1589 <column alignment="center" valignment="top" width="0">
1590 <column alignment="center" valignment="top" width="0">
1591 <column alignment="center" valignment="top" width="0">
1592 <column alignment="center" valignment="top" width="0">
1593 <column alignment="center" valignment="top" width="0">
1594 <column alignment="center" valignment="top" width="0">
1596 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1599 \begin_layout Plain Layout
1605 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1608 \begin_layout Plain Layout
1614 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1617 \begin_layout Plain Layout
1623 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1626 \begin_layout Plain Layout
1632 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1635 \begin_layout Plain Layout
1641 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" rightline="true" usebox="none">
1644 \begin_layout Plain Layout
1652 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1655 \begin_layout Plain Layout
1661 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1664 \begin_layout Plain Layout
1670 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1673 \begin_layout Plain Layout
1679 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1682 \begin_layout Plain Layout
1688 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1691 \begin_layout Plain Layout
1697 <cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
1700 \begin_layout Plain Layout
1708 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1711 \begin_layout Plain Layout
1717 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1720 \begin_layout Plain Layout
1726 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1729 \begin_layout Plain Layout
1735 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1738 \begin_layout Plain Layout
1744 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1747 \begin_layout Plain Layout
1753 <cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
1756 \begin_layout Plain Layout
1764 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1767 \begin_layout Plain Layout
1773 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1776 \begin_layout Plain Layout
1782 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1785 \begin_layout Plain Layout
1791 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1794 \begin_layout Plain Layout
1800 <cell alignment="center" valignment="top" topline="true" leftline="true" usebox="none">
1803 \begin_layout Plain Layout
1809 <cell alignment="center" valignment="top" topline="true" leftline="true" rightline="true" usebox="none">
1812 \begin_layout Plain Layout
1820 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1823 \begin_layout Plain Layout
1829 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1832 \begin_layout Plain Layout
1838 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1841 \begin_layout Plain Layout
1847 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1850 \begin_layout Plain Layout
1856 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" usebox="none">
1859 \begin_layout Plain Layout
1865 <cell alignment="center" valignment="top" topline="true" bottomline="true" leftline="true" rightline="true" usebox="none">
1868 \begin_layout Plain Layout
1882 \begin_layout Standard
1883 Blocks which encode values greater than what is possible for value of that
1884 length are fatal errors.
1888 \begin_layout Subsection
1889 Line component encoing
1892 \begin_layout Standard
1893 Line component encoding sits on top of UTF-8 encoding.
1894 Line component encoding encodes non-empty 1-D array of non-empty strings
1895 into line, and thus array of those into member.
1896 Empty lines or lines that don't contain any components are ignored.
1897 Line starts with depth value of 0 and must end with depth value of zero.
1900 \begin_layout Standard
1901 Components are seperated by component separators.
1902 Empty components are ignored.
1903 Following codepoints are separators on depth 0 if not escaped:
1906 \begin_layout Itemize
1908 The depth is read pre-increment.
1911 \begin_layout Itemize
1913 The depth is read post-decrement.
1916 \begin_layout Itemize
1920 \begin_layout Standard
1921 The following characters are special:
1924 \begin_layout Itemize
1926 Increments depth by 1 if not escaped (and appears in component).
1929 \begin_layout Itemize
1931 Decrements depth by 1 if not escaped (and appears in component).
1932 Depth going negative is an error.
1935 \begin_layout Itemize
1939 Next character is interpretted as literal.
1940 Error if at end of line.
1943 \begin_layout Standard
1944 Otherwise, characters are interpretted as literals and appear in components.
1945 Depth must be zero at end of line.
1948 \begin_layout Subsection
1952 \begin_layout Standard
1953 Header section is in archive member "header".
1954 It uses line component encoding.
1955 The first component of each line is name of header, and subsequent ones
1957 How many parameters are expected is dependent on what header it is:
1960 \begin_layout Subsubsection
1964 \begin_layout Itemize
1965 Header name: "PROJECTID"
1968 \begin_layout Itemize
1972 \begin_layout Itemize
1973 Argument #1: <project-id-string>
1976 \begin_layout Itemize
1980 \begin_layout Standard
1982 Project ID is generated when PC is assembled and is then preserved in save
1984 It is used for computing rerecord counts.
1985 Emulator treats it as opaque string, the IDs it generates are formed by
1986 48 random hexadecimal digits.
1989 \begin_layout Subsubsection
1993 \begin_layout Itemize
1994 Header name: "SAVESTATEID"
1997 \begin_layout Itemize
2001 \begin_layout Itemize
2002 Argument #1: <savestate-id-string>
2005 \begin_layout Itemize
2009 \begin_layout Standard
2010 Gives save state ID.
2011 Each save state has its own save state ID.
2012 Treated as opaque string, but generated as 48 random hexadecimal digits.
2013 The presence of this header signals whether there is save state to be loaded.
2014 If this header is present, save state load will be attempted.
2015 If absent, save state is not to be loaded even if present (and correct
2016 savestate load would be technically impossible anyway).
2019 \begin_layout Standard
2020 The value is used to prevent loading incompatible save states in preserve
2021 event stream mode and also to find the point in event stream where one
2025 \begin_layout Subsubsection
2029 \begin_layout Itemize
2030 Header name: "RERECORDS"
2033 \begin_layout Itemize
2037 \begin_layout Itemize
2038 Argument #1: <rerecords>
2041 \begin_layout Itemize
2045 \begin_layout Standard
2046 Gives rerecord count.
2047 PC assembly (except when loading save state) initializes current rerecord
2049 Must be non-negative and decimal number using ASCII digit characters.
2052 \begin_layout LyX-Code
2053 On loading save state:
2056 \begin_layout LyX-Code
2057 1) If project ID matches with previous:
2060 \begin_layout LyX-Code
2061 1a) If loaded rerecord count is larger or equal to current rerecord count:
2064 \begin_layout LyX-Code
2065 1a-a) Current rerecord count is loaded rerecord count + 1.
2068 \begin_layout LyX-Code
2072 \begin_layout LyX-Code
2073 1b-a) Current rerecord count increments by 1.
2076 \begin_layout LyX-Code
2080 \begin_layout LyX-Code
2081 2a) Current rerecord count is loaded rerecord count + 1.
2084 \begin_layout Standard
2085 The current rerecord count at time of save is saved to save state.
2088 \begin_layout Subsubsection
2092 \begin_layout Itemize
2093 Header name: "AUTHORS"
2096 \begin_layout Itemize
2097 Components: 2 or more
2100 \begin_layout Itemize
2101 Arguments: free form
2104 \begin_layout Itemize
2108 \begin_layout Standard
2109 Gives authors of run.
2110 Each argument gives one author.
2111 May be present multiple times.
2114 \begin_layout Subsubsection
2118 \begin_layout Itemize
2119 Header name: "COMMENT"
2122 \begin_layout Itemize
2123 Components: 2 or more
2126 \begin_layout Itemize
2127 Arguments: free form
2130 \begin_layout Itemize
2134 \begin_layout Standard
2135 Various kinds of free form data.
2136 Not parsed further by emulator.
2139 \begin_layout Subsection
2140 Initialization segment:
2143 \begin_layout Standard
2144 If SAVESTATEID header isn't present (not a save state), member "initialization"
2145 gives PC initialization parameters for assembling the PC.
2146 It is present anyway even if SAVESTATEID is present (savestate).
2149 \begin_layout Standard
2150 Following parameters are used (space separates components):
2153 \begin_layout LyX-Code
2157 \begin_layout Standard
2158 Gives Image ID of main system BIOS (mandatory)
2161 \begin_layout LyX-Code
2165 \begin_layout Standard
2166 Gives Image ID of VGA BIOS (mandatory).
2169 \begin_layout LyX-Code
2173 \begin_layout Standard
2174 Gives Image ID of hda.
2175 Present only if system has hard disk hda.
2178 \begin_layout LyX-Code
2182 \begin_layout Standard
2183 Gives Image ID of hdb.
2184 Present only if system has hard disk hdb.
2187 \begin_layout LyX-Code
2191 \begin_layout Standard
2192 Gives Image ID of hdc.
2193 Present only if system has hard disk hdc.
2196 \begin_layout LyX-Code
2200 \begin_layout Standard
2201 Gives Image ID of hdd.
2202 Present only if system has hard disk hdd.
2205 \begin_layout LyX-Code
2209 \begin_layout Standard
2210 Gives Image ID of disk in slot <num>.
2211 Slot number must be non-negative.
2214 \begin_layout LyX-Code
2215 \begin_inset Quotes eld
2219 \begin_inset Quotes erd
2225 \begin_layout Standard
2226 kGives image name of disk in slot <num>.
2227 Slot number must be non-negative.
2228 The slot must be previously declared using
2229 \begin_inset Quotes eld
2233 \begin_inset Quotes erd
2239 \begin_layout LyX-Code
2243 \begin_layout Standard
2244 Gives Image slot to initially put into floppy drive fda.
2245 Disk must be of floppy type.
2246 If none present, no disk is initially put there.
2249 \begin_layout LyX-Code
2253 \begin_layout Standard
2254 Gives Image slot to initially put into floppy drive fdb.
2255 Disk must be of floppy type.
2256 If none present, no disk is initially put there.
2259 \begin_layout LyX-Code
2263 \begin_layout Standard
2264 Gives Image slot to initially put into CD-ROM drive hdc.
2265 Not allowed if hard disk hdc is present.
2266 Disk must be of CD-ROM type.
2267 If none present no disk is initially put there.
2270 \begin_layout LyX-Code
2271 "INITIALTIME" <time>
2274 \begin_layout Standard
2275 Number of milliseconds since Unix epoch to system start up time.
2279 \begin_layout Standard
2284 \begin_layout LyX-Code
2285 "CPUDIVIDER" <divider>
2288 \begin_layout Standard
2289 Set CPU frequency divider (dividing the 1GHz master clock).
2290 Allowed range is 1-256.
2294 \begin_layout LyX-Code
2295 "MEMORYSIZE" <pages>
2298 \begin_layout Standard
2299 Number of 4KiB pages of RAM memory.
2300 Allowed range 256-262144.
2304 \begin_layout LyX-Code
2308 \begin_layout Standard
2310 Valid devices are "FLOPPY" (boot from fda), "HDD" (boot from hda) and "CDROM"
2314 \begin_layout LyX-Code
2315 "LOADMODULEA" <module> <parameters>
2318 \begin_layout Standard
2319 Load module <module> with parameters <parameters>.
2322 \begin_layout LyX-Code
2323 "LOADMODULE" <module>
2326 \begin_layout Standard
2327 Load module <module> with no parameters
2330 \begin_layout LyX-Code
2331 \begin_inset Quotes eld
2335 \begin_inset Quotes erd
2341 \begin_layout Standard
2342 Use class <fpu> as FPU emulator.
2345 \begin_layout LyX-Code
2346 \begin_inset Quotes eld
2350 \begin_inset Quotes erd
2356 \begin_layout Standard
2357 Use I/O port delay emulation (each I/O port read/write takes 666ns).
2360 \begin_layout LyX-Code
2361 \begin_inset Quotes eld
2365 \begin_inset Quotes erd
2371 \begin_layout Standard
2372 Emulate VGA horizontal retrace.
2375 \begin_layout Subsection
2376 Event record format:
2379 \begin_layout Standard
2380 Event record is in archive member "events".
2381 It uses line component encoding.
2382 Each line gives an event.
2383 First component of each line gives time stamp.
2384 These timestamps MUST be in increasing order and all MUST be non-negative.
2385 Time stamp time unit is exactly 1 nanosecond of emulated time.
2388 \begin_layout Standard
2389 The second component of each line is name of class to dispatch to.
2390 Further components are passed as-is to event handlers.
2391 Classes with names consisting only of uppercase A-Z and 0-9 are special
2393 It is error to encounter unknown such special class.
2396 \begin_layout Subsubsection
2400 \begin_layout Itemize
2401 Dispatch to: SAVESTATE
2404 \begin_layout Itemize
2405 Argument #1: Savestate id
2408 \begin_layout Itemize
2409 Argument #2 (optional): Rerecord count at time of saving savestate
2412 \begin_layout Standard
2413 Signals that savestate has occured here.
2414 The save state IDs MUST be unique in entire event stream.
2415 The second argument to savestate (if present) is rerecord count at time
2416 of saving that savestate (useful for calulating rerecord count of movie
2417 starting from savestate).
2418 No time restrictions
2421 \begin_layout Subsubsection
2425 \begin_layout Itemize
2429 \begin_layout Itemize
2431 \begin_inset Quotes eld
2435 \begin_inset Quotes erd
2439 \begin_inset Quotes eld
2443 \begin_inset Quotes erd
2449 \begin_layout Standard
2450 Controls various options.
2452 \begin_inset Quotes eld
2456 \begin_inset Quotes erd
2459 turns on absolute mode (default) where event timestamps are absolute.
2461 \begin_inset Quotes eld
2465 \begin_inset Quotes erd
2468 turns on relative mode where event timestamps are relative to last event
2470 The OPTION event itself is not affected by timing change.
2471 No time restrictions.
2472 Unknown arguments are errors.
2475 \begin_layout Subsubsection
2476 Keyboard keypress/keyrelease event:
2479 \begin_layout Itemize
2480 Dispatch to: org.jpc.emulator.peripheral.Keyboard
2483 \begin_layout Itemize
2484 Argument #1: Fixed: "KEYEDGE"
2487 \begin_layout Itemize
2488 Argument #2: Key number.
2489 Valid values are 1-83, 85-95, 129-197 and 199-223
2492 \begin_layout Standard
2493 Send key press or key release.
2494 Keys work in toggle button manner.
2495 The event time must be multiple of 66 666, and must not be less than 60
2496 * 66 666 TUs after last PAUSE event, 20 * 66 666 TUs after last KEYEDGE
2497 on key >128 and 10 * 66 666 TUs after last KEYEDGE on key <128.
2500 \begin_layout Subsubsection
2504 \begin_layout Itemize
2505 Dispatch to: org.jpc.emulator.peripheral.Keyboard
2508 \begin_layout Itemize
2509 Argument #1: Fixed: "PAUSE"
2512 \begin_layout Standard
2513 Send pause key event.
2514 The time restrictions are identical to KEYEDGE event.
2517 \begin_layout Subsubsection
2521 \begin_layout Itemize
2522 Dispatch to: org.jpc.emulator.peripheral.Keyboard
2525 \begin_layout Itemize
2526 Argument #1: Fixed: "MOUSEBUTTON"
2529 \begin_layout Itemize
2530 Argument #2: Number of button to release or press (0-4)
2533 \begin_layout Standard
2534 Presses or releases the designated mouse button.
2537 \begin_layout Subsubsection
2538 X mouse motion event:
2541 \begin_layout Itemize
2542 Dispatch to: org.jpc.emulator.peripheral.Keyboard
2545 \begin_layout Itemize
2546 Argument #1: Fixed: "XMOUSEMOTION"
2549 \begin_layout Itemize
2550 Argument #2: Number of units to move (-255 - 255)
2553 \begin_layout Standard
2554 Move the mouse in X direction by specified amount.
2558 \begin_layout Subsubsection
2559 Y mouse motion event:
2562 \begin_layout Itemize
2563 Dispatch to: org.jpc.emulator.peripheral.Keyboard
2566 \begin_layout Itemize
2567 Argument #1: Fixed: "YMOUSEMOTION"
2570 \begin_layout Itemize
2571 Argument #2: Number of units to move (-255 - 255)
2574 \begin_layout Standard
2575 Move the mouse in Y direction by specified amount.
2579 \begin_layout Subsubsection
2580 Z mouse motion event:
2583 \begin_layout Itemize
2584 Dispatch to: org.jpc.emulator.peripheral.Keyboard
2587 \begin_layout Itemize
2588 Argument #1: Fixed: "ZMOUSEMOTION"
2591 \begin_layout Itemize
2592 Argument #2: Number of units to move (-7 - 7)
2595 \begin_layout Standard
2596 Move the mouse in Z direction (scrollwheel) by specified amount.
2599 \begin_layout Subsubsection
2600 Joystick button event:
2603 \begin_layout Itemize
2604 Dispatch to: org.jpc.modules.Joystick
2607 \begin_layout Itemize
2609 \begin_inset Quotes eld
2613 \begin_inset Quotes erd
2617 \begin_inset Quotes eld
2621 \begin_inset Quotes erd
2625 \begin_inset Quotes eld
2629 \begin_inset Quotes erd
2633 \begin_inset Quotes eld
2637 \begin_inset Quotes erd
2643 \begin_layout Itemize
2645 \begin_inset Quotes eld
2649 \begin_inset Quotes erd
2653 \begin_inset Quotes eld
2657 \begin_inset Quotes erd
2663 \begin_layout Standard
2664 Send button down/up event.
2665 No time restrictions.
2668 \begin_layout Subsubsection
2669 Joystick axis event:
2672 \begin_layout Itemize
2673 Dispatch to: org.jpc.modules.Joystick
2676 \begin_layout Itemize
2678 \begin_inset Quotes eld
2682 \begin_inset Quotes erd
2686 \begin_inset Quotes eld
2690 \begin_inset Quotes erd
2694 \begin_inset Quotes eld
2698 \begin_inset Quotes erd
2702 \begin_inset Quotes eld
2706 \begin_inset Quotes erd
2712 \begin_layout Itemize
2713 Argument #2: Multivibrator unstable state length in ns.
2716 \begin_layout Standard
2717 Set amount of time multivibrator remains in unstable state.
2718 No time restrictions.
2721 \begin_layout Subsubsection
2725 \begin_layout Itemize
2726 Dispatch to: org.jpc.emulator.PC$ResetButton
2729 \begin_layout Itemize
2733 \begin_layout Standard
2737 \begin_layout Subsubsection
2741 \begin_layout Itemize
2742 Dispatch to: org.jpc.emulator.PC$DiskChanger
2745 \begin_layout Itemize
2746 Argument #1: Fixed: "FDA"
2749 \begin_layout Itemize
2750 Argument #2: Number of image slot to put there.
2754 \begin_layout Standard
2755 The disk number MUST be -1 or valid disk number.
2756 -1 MUST NOT be used if there is no disk in floppy drive A.
2757 This event causes specified disk to be placed to FDA or FDA disk to be
2758 ejected with no replacement if disk number is -1.
2759 The specified disk if not -1 must be of floppy type.
2760 The specified disk if valid must not be in any other drive.
2763 \begin_layout Subsubsection
2767 \begin_layout Itemize
2768 Dispatch to: org.jpc.emulator.PC$DiskChanger
2771 \begin_layout Itemize
2772 Argument #1: Fixed: "FDB"
2775 \begin_layout Itemize
2776 Argument #2: Number of image slot to put there.
2780 \begin_layout Standard
2781 The disk number MUST be -1 or valid disk number.
2782 -1 MUST NOT be used if there is no disk in floppy drive B.
2783 This event causes specified disk to be placed to FDB or FDB disk to be
2784 ejected with no replacement if disk number is -1.
2785 The specified disk if not -1 must be of floppy type.
2786 The specified disk if valid must not be in any other drive.
2789 \begin_layout Subsubsection
2793 \begin_layout Itemize
2794 Dispatch to: org.jpc.emulator.PC$DiskChanger
2797 \begin_layout Itemize
2798 Argument #1: Fixed: "CDROM"
2801 \begin_layout Itemize
2802 Argument #2: Number of image slot to put there.
2806 \begin_layout Standard
2807 The disk number MUST be -1 or valid disk number.
2808 -1 MUST NOT be used if there is no disk in CD-ROM.
2809 This event causes specified disk to be placed to CD-ROM or CD-ROM disk
2810 to be ejected with no replacement if disk number is -1.
2811 The specified disk if not -1 must be of CD-ROM type.
2814 \begin_layout Standard
2815 This event has no effect if CD-ROM is locked.
2818 \begin_layout Subsubsection
2819 Write protect floppy:
2822 \begin_layout Itemize
2823 Dispatch to: org.jpc.emulator.PC$DiskChanger
2826 \begin_layout Itemize
2827 Argument #1: Fixed: "WRITEPROTECT"
2830 \begin_layout Itemize
2831 Argument #2: Number of image slot to manipulate
2834 \begin_layout Standard
2835 Write protects specified disk.
2836 The disk MUST NOT be in any drive and MUST be valid floppy-type disk.
2839 \begin_layout Subsubsection
2840 Write unprotect floppy:
2843 \begin_layout Itemize
2844 Dispatch to: org.jpc.emulator.PC$DiskChanger
2847 \begin_layout Itemize
2848 Argument #1: Fixed: "WRITEUNPROTECT"
2851 \begin_layout Itemize
2852 Argument #2: Number of image slot to manipulate
2855 \begin_layout Standard
2856 Disables write protection specified disk.
2857 The disk MUST NOT be in any drive and MUST be valid floppy-type disk.
2860 \begin_layout Subsection
2864 \begin_layout Standard
2865 Diskinfo sections are named
2866 \begin_inset Quotes eld
2870 \begin_inset Quotes erd
2874 They use line component encoding, fieldtype being first component on each
2875 line (value being the second).
2876 Following fields are defined:
2879 \begin_layout Subsubsection
2883 \begin_layout Standard
2884 Gives type of image.
2888 \begin_layout Itemize
2889 \begin_inset Quotes eld
2893 \begin_inset Quotes erd
2899 \begin_layout Itemize
2900 \begin_inset Quotes eld
2904 \begin_inset Quotes erd
2910 \begin_layout Itemize
2911 \begin_inset Quotes eld
2915 \begin_inset Quotes erd
2921 \begin_layout Itemize
2922 \begin_inset Quotes eld
2926 \begin_inset Quotes erd
2929 (BIOS/VGABIOS image)
2932 \begin_layout Itemize
2933 \begin_inset Quotes eld
2937 \begin_inset Quotes erd
2940 (what the heck is this???)
2943 \begin_layout Subsubsection
2947 \begin_layout Standard
2951 \begin_layout Subsubsection
2955 \begin_layout Standard
2956 (BIOS images only) Gives length of BIOS image
2959 \begin_layout Subsubsection
2963 \begin_layout Standard
2964 MD5 of raw disk/BIOS image without any headers or trailers.
2967 \begin_layout Subsubsection
2971 \begin_layout Standard
2972 (FLOPPY/HDD/CDROM images only) Number of total sectors on disk.
2975 \begin_layout Subsubsection
2979 \begin_layout Standard
2980 (FLOPPY/HDD images only) Number of tracks on disk per side (1-256 for floppy,
2984 \begin_layout Subsubsection
2988 \begin_layout Standard
2989 (FLOPPY/HDD images only) Number of sides on disk (1 or 2 for floppy, 1-16
2993 \begin_layout Subsubsection
2997 \begin_layout Standard
2998 (FLOPPY/HDD images only) Number of sectors per track (1-255 for floppy,
3002 \begin_layout Subsubsection
3006 \begin_layout Standard
3007 Line from image comment block.
3008 Usually give data about files image has.
3009 May or may not be present (multiple times)
3012 \begin_layout Subsection
3016 \begin_layout Standard
3017 Output info is stored in section
3018 \begin_inset Quotes eld
3022 \begin_inset Quotes erd
3026 Its relatively new, so it might not be present (then the contents have
3027 to be guessed based on modules present).
3028 Each line gives information about one output, first field being the type
3032 \begin_layout Subsubsection
3036 \begin_layout Standard
3037 For video output, there are no parameters so line is just
3038 \begin_inset Quotes eld
3042 \begin_inset Quotes erd
3048 \begin_layout Subsubsection
3052 \begin_layout Standard
3053 For audio output, the only parameter is name of output, so first component
3055 \begin_inset Quotes eld
3059 \begin_inset Quotes erd
3062 and second component is name of audio output.
3065 \begin_layout Subsection
3069 \begin_layout Standard
3070 Actual savestate format is not documented here.
3071 It is close to impossible to comprehend without access to emulator source
3075 \begin_layout Section
3076 Advanced: Making class dumpable
3079 \begin_layout Standard
3080 Class is made dumpable by implementing interface org.jpc.emulator.SRDumpable
3081 and implementing method dumpSRPartial(org.jpc.emulator.SRDumper) and constructor
3082 <init>(org.jpc.emulator.SRLoader).
3083 Non-static inner classes can not be dumpable (make them static using tricks
3084 similar to what javac uses).
3087 \begin_layout Standard
3088 If dumped class has dumpable superclass, the first thing dumping function
3089 needs to do is to call dumper function of superclass and first thing loading
3090 constructor needs to do is to call loading constructor of superclass.
3091 If class has no dumpable superclass, dumper doesn't need to do anything
3092 special, while loader needs to call objectCreated(this) on SRLoader object
3093 passed as parameter.
3097 \begin_layout Standard
3098 Following these fixed parts, dump all members that are part of mutable state
3102 \begin_layout Subsection
3103 Member dumping/loading functions
3106 \begin_layout Standard
3107 There is dumping/loading function for following (all functions dumping/loading
3108 reference types can handle null):
3111 \begin_layout Itemize
3112 boolean: SRDumper.dumpBoolean, SRLoader.loadBoolean
3115 \begin_layout Itemize
3116 byte: SRDumper.dumpByte, SRLoader.loadByte
3119 \begin_layout Itemize
3120 short: SRDumper.dumpShort, SRLoader.loadShort
3123 \begin_layout Itemize
3124 int: SRDumper.dumpInt, SRLoader.loadInt
3127 \begin_layout Itemize
3128 long: SRDumper.dumpLong, SRLoader.loadLong
3131 \begin_layout Itemize
3132 String: SRDumper.dumpString, SRLoader.loadString
3135 \begin_layout Itemize
3136 boolean[]: SRDumper.dumpArray, SRLoader.loadArrayBoolean
3139 \begin_layout Itemize
3140 byte[]: SRDumper.dumpArray, SRLoader.loadArrayByte
3143 \begin_layout Itemize
3144 short[]: SRDumper.dumpArray, SRLoader.loadArrayShort
3147 \begin_layout Itemize
3148 int[]: SRDumper.dumpArray, SRLoader.loadArrayInt
3151 \begin_layout Itemize
3152 long[]: SRDumper.dumpArray, SRLoader.loadArrayLong
3155 \begin_layout Itemize
3156 double[]: SRDumper.dumpArray, SRLoader.loadArrayDouble
3159 \begin_layout Itemize
3160 <dumpable type>: SRDumper.dumpObject, SRLoader.loadObject
3163 \begin_layout Itemize
3164 special object: SRDumper.specialObject, SRLoader.specialObject
3167 \begin_layout Subsubsection
3171 \begin_layout Itemize
3172 Dumpable objects come out as type of org.jpc.emulator.SRDumpable.
3175 \begin_layout Itemize
3176 Special objects are various static objects that don't need to be stored
3177 because they don't have mutable fields.
3180 \begin_layout Itemize
3181 Don't dump fields related to event state feedback.
3184 \begin_layout Itemize
3185 Don't dump temporary flags that are only used while PC is running.
3186 Savestate when PC is running isn't possible anyway.
3189 \begin_layout Itemize
3190 Some connectors dump fields related to connector output, some don't.
3193 \begin_layout Section
3194 Advanced: Making output connectors
3197 \begin_layout Standard
3198 Implementing interface org.jpc.emulator.DisplayController signals that this
3199 is display controller, inhibiting loading of the standard VGA display controlle
3200 r if loaded as module.
3204 \begin_layout Subsection
3205 Interface org.jpc.emulator.OutputConnector
3208 \begin_layout Standard
3209 Class is made to be output connector by implementing this interface.
3210 This interface specifies the methods used for output hold locking.
3211 Class org.jpc.emulator.OutputConnectorLocking has implementations of these
3212 that are suitable for calling.
3216 \begin_layout Subsubsection
3217 Method subscribeOutput(Object)
3220 \begin_layout Standard
3221 Subscribes the output, with specified object as handle.
3224 \begin_layout Subsubsection
3225 Method unsubscribeOutput(Object)
3228 \begin_layout Standard
3229 Unsubscribe the specified handle object from output.
3232 \begin_layout Subsubsection
3233 Method waitOutput(Object)
3236 \begin_layout Standard
3237 Wait for output on specified connector using specified handle object.
3238 Returns true on success, false if wait was interrupted by thread interrupt.
3242 \begin_layout Subsubsection
3243 Method releaseOutput(Object)
3246 \begin_layout Standard
3247 Release connector from p.o.v.
3252 \begin_layout Subsubsection
3256 \begin_layout Standard
3257 Release threads waiting on waitOutput() and block until all subscribers
3258 have returned from waitOutput() and enteired releaseOutput().
3261 \begin_layout Subsubsection
3262 Method releaseOutputWaitAll(object)
3265 \begin_layout Standard
3266 Like releaseOutput(), but waits until all handles have released their output.
3269 \begin_layout Subsection
3270 Class org.jpc.emulator.VGADigtalOut
3273 \begin_layout Standard
3274 Class org.jpc.emulator.VGADigtalOut (already implements OutputConnector) implements
3275 VGA output connector.
3276 If module provodes output connector, it needs to implement org.jpc.emulator.Displa
3280 \begin_layout Subsubsection
3284 \begin_layout Standard
3285 Get width of display (watch out, can return 0).
3288 \begin_layout Subsubsection
3292 \begin_layout Standard
3293 Get height of display (watch out, can return 0).
3296 \begin_layout Subsubsection
3297 Methods getDirtyXMin(), getDirtyXMax(), getDirtyYMin(), getDirtyYMax()
3300 \begin_layout Standard
3301 Returns the dirty region (region modified since last output).
3304 \begin_layout Subsubsection
3308 \begin_layout Standard
3309 Get buffer of ints, at least width * height elements (left-to-right, top-down,
3310 one value per pixel) giving pixel data.
3311 Value for each pixel is 65536 * <red-component> + 256 * <green-component>
3315 \begin_layout Subsubsection
3316 Method resizeDisplay(int _width, int _height)
3319 \begin_layout Standard
3320 Resize the display to be of specified size.
3323 \begin_layout Subsubsection
3324 Method dirtyDisplayRegion(int x, int y, int w, int h)
3327 \begin_layout Standard
3328 Mark the specified region as dirty.
3331 \begin_layout Subsubsection
3332 Method resetDirtyRegion()
3335 \begin_layout Standard
3336 Resets the dirty region to be empty.
3339 \begin_layout Subsection
3340 Class org.jpc.emulator.PC method getVideoOutput()
3343 \begin_layout Standard
3344 Get VGA output connector for PC.
3347 \begin_layout Subsection
3348 Interface org.jpc.emulator.DisplayController.
3351 \begin_layout Standard
3352 Implementing this class signals that module is VGA controller.
3353 There can be only one such module active at time and presence of such module
3354 prevents loading builtin VGA controller emulation code.
3357 \begin_layout Subsubsection
3358 Method getOutputDevice()
3361 \begin_layout Standard
3362 Get VGA output connector for this VGA device.
3365 \begin_layout Subsection
3366 Class org.jpc.emulator.SoundDigitalOut
3369 \begin_layout Standard
3370 Class org.jpc.emulator.SoundDigitalOut provodes output connector for sound.
3371 Each connector can transfer stereo signal at arbitiary sampling rate.
3372 Modules that have audio connectors need to implement interface org.jpc.emulator.So
3373 undOutputDevice, as this signals that output connectors should be created.
3376 \begin_layout Subsubsection
3377 Method addSample(long, short, short)
3380 \begin_layout Standard
3381 Add stereo sample at time given by first argument.
3382 The second and third arguments give volume on left and right channels.
3385 \begin_layout Subsubsection
3386 Method addSample(long, short)
3389 \begin_layout Standard
3390 Add mono sample at time given by first argument.
3391 The second argument give volume on both channels.
3394 \begin_layout Subsubsection
3395 Method readBlock(Block)
3398 \begin_layout Standard
3399 Reads block of output (atomic versus addSample).
3400 Block structure has following fields which are filled:
3403 \begin_layout Itemize
3404 timeBase: Time base for block.
3407 \begin_layout Itemize
3408 baseLeft: Left volume at time base.
3411 \begin_layout Itemize
3412 baseRight: Right volume at time base
3415 \begin_layout Itemize
3416 blockNo: Sequence number of block filled.
3419 \begin_layout Itemize
3420 samples: Number of samples in block
3423 \begin_layout Itemize
3424 sampleTiming: Number of nanoseconds since last sample
3427 \begin_layout Itemize
3428 sampleLeft: Left channel samples
3431 \begin_layout Itemize
3432 sampleRight: Right channel samples
3435 \begin_layout Subsection
3436 Interface org.jpc.emulator.SoundOutputDevice
3439 \begin_layout Standard
3440 Implementing this interface signals that module has audio output channels.
3443 \begin_layout Subsubsection
3444 Method org.jpc.emulator.SoundOutputDevice.requestedSoundChannels()
3447 \begin_layout Standard
3448 Return the number of sound channels module has.
3451 \begin_layout Subsubsection
3452 Method org.jpc.emulator.SoundOutputDevice.soundChannelCallback(SoundDigitalOut)
3455 \begin_layout Standard
3456 This is called once per sound channel requested giving precreated sound
3460 \begin_layout Subsection
3461 Class org.jpc.emulator.PC method getSoundOut(String)
3464 \begin_layout Standard
3465 Get sound output with specified name.
3468 \begin_layout Section
3469 Advanced: Writing event targets
3472 \begin_layout Standard
3473 Whereas output connectors are the way output is dispatched, input is dispatched
3475 Event targets need to implement interface org.jpc.emulator.EventDispatchTarget.
3478 \begin_layout Standard
3479 Event targets also provode methods which then encode events and dispatch
3480 them forward (without doing anything else) to event recorder.
3481 Also, event targets may have methods for obtaining state.
3484 \begin_layout Subsection
3485 Interface org.jpc.emulator.EventDispatchTarget
3488 \begin_layout Standard
3489 Interface that marks class capable of receiving events.
3492 \begin_layout Subsubsection
3493 Method setEventRecorder(EventRecorder)
3496 \begin_layout Standard
3497 Set the event recorder input events are sent to.
3500 \begin_layout Subsubsection
3501 Method startEventCheck()
3504 \begin_layout Standard
3505 Signals target to reset all state related to event checking and state feedback.
3506 This may be called at any time in order to reinitialialize event checking/feedb
3510 \begin_layout Subsubsection
3511 Method doEvent(long, String[], int) throws IOException
3514 \begin_layout Standard
3515 Event dispatch handler.
3516 The first argument is event time, second is parameters and third is what
3518 If target doesn't like the event, throw IOException.
3519 Following types (the integer parameter) are used:
3522 \begin_layout LyX-Code
3523 0 (EventRecorder.EVENT_TIMED): Time has been assigned for event.
3526 \begin_layout LyX-Code
3527 1 (EventRecorder.EVENT_STATE_EFFECT_FUTURE): Future event in event replay
3528 for reinitialization
3531 \begin_layout LyX-Code
3532 2 (EventRecorder.EVENT_STATE_EFFECT): Past event in event replay reinitialization
3535 \begin_layout LyX-Code
3536 3 (EventRecorder.EVENT_EXECUTE): This event occurs now.
3540 \begin_layout Subsubsection
3541 Method endEventCheock()
3544 \begin_layout Standard
3545 End event reinitialization.
3549 \begin_layout Subsubsection
3550 Method getEventTimeLowBound(long, String[]) throws IOException
3553 \begin_layout Standard
3554 Return the time value that's the earliest possiblity for this event to occur.
3555 Returning any time in past (including -1) causes event to fire as soon
3557 The long parameter gives the current scheduled time for event.
3560 \begin_layout Section
3564 \begin_layout Standard
3565 Modules are various extensions that run inside emulator core.
3566 As such, they affect sync.
3567 Modules must implement interface org.jpc.emulator.HardwareComponent (they
3568 are hardware components) and must be dumpable.
3569 Additionally, they need either constructor <init>() or <init>(String).
3570 The first is if no parameters are passed, the second is for case where
3571 parameters are passed.
3574 \begin_layout Standard
3575 Aside of the constructors, modules need to obey the ordinary conventions
3576 for hardware components.
3577 No code outside modules needs to know that module exists.
3580 \begin_layout Section
3584 \begin_layout Standard
3585 Plugins handle various UI tasks.
3586 They need to implement interface org.jpc.Plugin.
3589 \begin_layout Subsection
3590 Interface org.jpc.pluginsbase.Plugin
3593 \begin_layout Subsubsection
3594 Method systemShutdown()
3597 \begin_layout Standard
3598 Called when emulator shuts down.
3599 Either called in dedicated thread or in thread that called emulatorShutdown().
3600 These handlers should do the bare minimum to get files on disk to consistent
3602 After these calls from all plugins have finished, emulator exits.
3603 Do not try to manipulate UI from these methods, as doing that easily leads
3607 \begin_layout Subsubsection
3608 Method reconnect(PC)
3611 \begin_layout Standard
3612 Gives new PC to connect to.
3613 Null is passed if plugin should disconnect.
3616 \begin_layout Subsubsection
3620 \begin_layout Standard
3621 Called in dedicated thread after plugin is initialized.
3624 \begin_layout Subsubsection
3628 \begin_layout Standard
3629 Called after PC has stopped.
3632 \begin_layout Subsubsection
3636 \begin_layout Standard
3637 Called before PC starts.
3640 \begin_layout Subsubsection
3641 Method notifyArguments(String[])
3644 \begin_layout Standard
3645 Pass arguments from command line.
3648 \begin_layout Subsubsection
3649 Constructor <init>(Plugins)
3652 \begin_layout Standard
3653 This constructor is used to initialize plugins that don't take parameters.
3656 \begin_layout Subsubsection
3657 Constructor <init>(Plugins, String)
3660 \begin_layout Standard
3661 This constructor is used to initialize plugins that take parameters.
3664 \begin_layout Subsection
3665 Class org.jpc.pluginsbase.Plugins
3668 \begin_layout Standard
3669 This class provodes various methods for manipulating plugins.
3672 \begin_layout Subsubsection
3673 Method isShuttingDown()
3676 \begin_layout Standard
3677 Returns true if Plugins.shutdownEmulator() has been called somehow, either
3678 via VM exit, CTRL+C or explicitly.
3679 Useful to skip cleanups involving GUI, as these are too deadlock-prone.
3682 \begin_layout Subsubsection
3683 Method shutdownEmulator()
3686 \begin_layout Standard
3687 Shut down and exit the emulator.
3688 All plugin shutdown functions are called in this thread.
3691 \begin_layout Subsubsection
3692 Method reconnectPC(PC)
3695 \begin_layout Standard
3696 Signal reconnectPC event to all plugins.
3699 \begin_layout Subsubsection
3703 \begin_layout Standard
3704 Signal pcStarting() event to all plugins.
3707 \begin_layout Subsubsection
3711 \begin_layout Standard
3712 Signal pcStopping() event to all plugins.
3715 \begin_layout Section
3716 Inter-plugin communication
3719 \begin_layout Subsection
3720 Receiving communications
3723 \begin_layout Standard
3724 To receive invocation/call by name 'foo-bar', declare public method named
3726 Arguments to this method can currently be String, Integer (int) or Long
3728 Last argument may be array over these types to get variable number of arguments.
3729 On call, each argument gets value from call.
3730 If last argument is array, it gets all overflowing arguments.
3731 If return type is void or method returns boolean false, call is assumed
3733 If return value is boolean true, it is assumed that there is more processing.
3736 \begin_layout Subsection
3737 void org.jpc.pluginsbase.Plugins.invokeExternalCommand(String cmd, Object[]
3741 \begin_layout Standard
3742 Invoke command asynchronously, broadcasting to all plugins.
3743 Does not wait for slow commands to complete.
3744 cmd is the name to send and args are the arguments to pass.
3747 \begin_layout Subsection
3748 void org.jpc.pluginsbase.Plugins.invokeExternalCommandSynchronous(String cmd,
3752 \begin_layout Standard
3753 Same as invokeExternalCommand, but waits for slow commands to complete.
3756 \begin_layout Subsection
3757 Object[] org.jpc.pluginsbase.Plugins.invokeExternalCommandReturn(String cmd,
3761 \begin_layout Standard
3762 Similar to invokeExternalCommandSynchornous, but:
3765 \begin_layout Itemize
3766 Quits calling more plugins when it gets successful reply.
3769 \begin_layout Itemize
3773 \begin_layout Subsection
3774 void org.jpc.pluginsbase.Plugins.returnValue(Object...
3778 \begin_layout Standard
3779 Gives return value to return from call and signals that command has completed.
3782 \begin_layout Subsection
3783 void org.jpc.pluginsbase.Plugins.signalCommandCompletion()
3786 \begin_layout Standard
3787 Signals that command has completed.
3788 Only needed if there is no return value and eci_ method returned false
3792 \begin_layout Section
3793 Lua kernel programming
3796 \begin_layout Standard
3797 At startup, kernel gets its arguments in 'args' table and the script name
3798 to run in 'scriptname' string.
3799 It should enter the named script in protected mode.
3802 \begin_layout Standard
3803 The Lua VM exports numerious callbacks to kernel.
3804 The kernel can then choose to omit, wrap or re-export these to Lua scripts.
3807 \begin_layout Itemize
3808 Always grab any functions used into local variables so nobody can mess with
3812 \begin_layout Itemize
3813 Don't use global variables in kernel (except for those passed).