libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2024-12-13 12:39:56 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Committed recent disassembly efforts

Browse Source 
svn-id: r23788
This commit is contained in:
Paul Gilbert 2006-08-27 11:57:30 +00:00
parent 2b06882a68
commit 7649160dde
2 changed files with 363 additions and 306 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

641
engines/lure/disassembly/LURE.ASM
View File

File diff suppressed because it is too large Load Diff

28
engines/lure/disassembly/Lure_notes.txt
View File

@ -33,13 +33,10 @@ animation_load/animation_load_2 - Makes a hotspot 'active' by loading it into
Input: load => bx = resource Id
load_2 => si = offset of hotspot record
Seems to load a single animation entry into the runtime
location for animations.
animation_load_entry - Not sure if this method is just for loading animations; it
does some checks, and if passed, then takes the word at offset
9h in the resource and jumps to that location. In calls I've
seen so far, this is 7167h, which then calls animation_load
seen so far, this is 7167h, which then calls animation_load
Input: bx = Resource Id for animation entry
animation_load_entry_2 - Alternate form of the animation load
@ -64,6 +61,14 @@ animation_unload/animation_unload_2 - Removes a hotspot from the active hotspot
sets field 0Bh of the hotspot (the offset in the animation list where
a hotspot is loaded) to zero.
animations_preload - Decodes any animations ilsted for the current room, based
on a system list. This is likely intended to improve performance on
low end systems, as it means the bulk of animations are already decoded
before a new screen is faded in
animations_preload_ticks - Handles repeatably calling the animation tick method
for hotspots in a room several times before the room is displayed
char_face_up/char_face_down/char_face_left/char_face_right - Faces the character
represented by a given hotspot in the given direction
Input: si = Hotspot record
@ -206,13 +211,19 @@ copy_rectangle - Copys a 32x32 rectangular area from a source buffer to a
copy_protection_check - Performs the copy protection check. Note that in the
English version of the game supplied by Revolution, this has been cracked.
This is
This is
decode_character - Decodes a character from a compressed bit-stream of text
Input: DL = current bit position for read is set
DS:SI = current byte to read data from
Output: AL = output byte
decode_character_and_hotspot_names - Decodes the names of both the current
talking character as well as the active hotspot. Note that the
input and output fields/buffers are hardcoded, and not passed
to the method
Input: al = A value of zero suppresses adding the prefix
decode_file_entry - Decodes a file resource, normally a graphics screen
Input: dx = source data segment
es = destination segment (for example, A000h for direct to screen)
@ -231,6 +242,9 @@ decode_string_init - Initialises a source pointer for decoding a compressed
dl = Starting bit position for reading string
decode_hotspot_name - Decodes the name of a hotspot, prefixing with the
correct article of 'a', 'an', or 'the'
decode_and_fade_in_display - Decodes the data for a given screen, and then fades it into
view by using the defined fade in proc for the given video mode
Input: [buffer_segment1] = Loaded entry data
@ -425,6 +439,10 @@ popmenu_populate_list - Populates the contents of the list used to define
Input: dx:ax = Bitset indicating which actions should be displayed, in
order of their placement in the action list
prepare_ask_item_list - Creates a list of menuitems for the things a character
can be asked for
Input: ax = Action index whose context to generate the list for
protection_cycle_characters - Cycles through a single frame in the list of
possible characters in the copy protection check and displays them
on screen.