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| author | Paul Gilbert | 2006-03-13 11:33:17 +0000 |
|---|---|---|
| committer | Paul Gilbert | 2006-03-13 11:33:17 +0000 |
| commit | c44069fdfc0cf79602bee3901008725c1e81b979 (patch) | |
| tree | 0e9ea07715b6394c3b44d0f89055f313bbd41f24 | |
| parent | 3c303c0dfda28d149b8b142fd758a19dc354b226 (diff) | |
| download | scummvm-rg350-c44069fdfc0cf79602bee3901008725c1e81b979.tar.gz scummvm-rg350-c44069fdfc0cf79602bee3901008725c1e81b979.tar.bz2 scummvm-rg350-c44069fdfc0cf79602bee3901008725c1e81b979.zip | |
Added further disassembly of animation decoder routine
svn-id: r21256
| -rw-r--r-- | engines/lure/diassembly/LURE.ASM | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/engines/lure/diassembly/LURE.ASM b/engines/lure/diassembly/LURE.ASM index b6aa861e2c..ca4e681f57 100644 --- a/engines/lure/diassembly/LURE.ASM +++ b/engines/lure/diassembly/LURE.ASM @@ -193,8 +193,9 @@ RH_TABLE_ENTRY_SIZE equ 9 PIXEL_DISK_ID equ 0 PIXEL_FLAGS equ 2 PIXEL_DATA_SEGMENT equ 3 -PIXEL_OFFSETS_SEGMENT equ 4 +PIXEL_DATA_SIZE equ 5 PIXEL_FRAME_SIZE equ 7 +PIXELFLAG_HAS_TABLE equ 4 NOONE_HOTSPOT_ID equ 3E7h PLAYER_HOTSPOT_ID equ 3E8h @@ -17854,17 +17855,17 @@ PLAYER_ACTION_CONTINUE_WALK equ 5 273F:7804 F9 stc ; Set carry flag 273F:7805 C3 retn 273F:7806 loc_1517: ; xref 273F:7802 -273F:7806 89 0E 4D04 mov word ptr ds:[4D04h],cx -273F:780A 89 0E 4D06 mov word ptr ds:[4D06h],cx +273F:7806 89 0E 4D04 mov anim_src_segment2, cx +273F:780A 89 0E 4D06 mov anim_src_segment, cx 273F:780E 8B 07 mov ax,[bx] ; Get anim resource id 273F:7810 33 D2 xor dx,dx ; Read into cx:dx 273F:7812 53 push bx 273F:7813 E8 8AFE call read_entry -273F:7816 01 16 4D06 add word ptr ds:[4D06h],dx ; Save end of animation +273F:7816 01 16 4D06 add anim_src_segment, dx ; Save end of animation 273F:781A 1E push ds -273F:781B A1 4D06 mov ax,word ptr ds:[4D06h] +273F:781B A1 4D06 mov ax, anim_src_segment 273F:781E 8E C0 mov es,ax -273F:7820 A1 4D04 mov ax,word ptr ds:[4D04h] ; (273F:4D04=0B957h) +273F:7820 A1 4D04 mov ax, anim_src_segment2 273F:7823 8E D8 mov ds,ax 273F:7825 8B 0E 0000 mov cx,ds:[0] ; Get in # table entries 273F:7829 26: 89 0E 0000 mov es:[0], cx ; Store # entries @@ -17905,27 +17906,25 @@ PLAYER_ACTION_CONTINUE_WALK equ 5 273F:786D loc_1520: 273F:786D A1 4D00 mov ax, buffer_segment 273F:7870 8E C0 mov es,ax -273F:7872 8B 16 4D04 mov dx,word ptr ds:[4D04h] +273F:7872 8B 16 4D04 mov dx, anim_src_segment2 273F:7876 E8 FABB call animation_decode_inner 273F:7879 5E pop si ; Retrieve anim rec ptr -273F:787A 89 7C 05 mov [si+5],di ; Store size of decoded rsc? -273F:787D 83 6C 05 40 sub word ptr [si+5],40h ; ??? -273F:7881 33 FF xor di,di -273F:7883 F6 44 02 04 test byte ptr [si+2],4 -273F:7887 74 34 jz loc_1523 ; Jump if zero +273F:787A 89 7C 05 mov [si+PIXEL_DATA_SIZE], di ; Store size of decoded rsc? +273F:787D 83 6C 05 40 sub word ptr [si+PIXEL_DATA_SIZE], 40h ; ??? +273F:7881 33 FF xor di, di +273F:7883 F6 44 02 04 test byte ptr [si+PIXEL_FLAGS], PIXELFLAG_HAS_TABLE +273F:7887 74 34 jz loc_1523 ; Skip if not 273F:7889 56 push si 273F:788A 1E push ds 273F:788B 8A 16 0742 mov dl, video_style -273F:788F A1 4D06 mov ax,word ptr ds:[4D06h] ; (273F:4D06=28h) -273F:7892 8E D8 mov ds,ax +273F:788F A1 4D06 mov ax, anim_src_segment +273F:7892 8E D8 mov ds, ax 273F:7894 úBE 0002 mov si, 2 ; Offset of 1st header entry -273F:7897 8B 0E 0000 mov cx, ds:[0] -273F:789B 8B E9 mov bp,cx -273F:789D D1 E5 shl bp,1 +273F:7897 8B 0E 0000 mov cx, ds:[0] ; Get number of entries +273F:789B 8B E9 mov bp, cx +273F:789D D1 E5 shl bp, 1 -; bp=first byte after header, dl=0 or 1, si=2, di=0 - -273F:789F locloop_1521: +273F:789F locloop_1521: 273F:789F 26: 89 2D mov es:[di],bp 273F:78A2 83 C7 02 add di,2 273F:78A5 8B 04 mov ax,[si] @@ -17982,7 +17981,7 @@ PLAYER_ACTION_CONTINUE_WALK equ 5 273F:78FE loc_1524: 273F:78FE 8B 2E 4D00 mov bp, buffer_segment 273F:7902 01 16 4D00 add buffer_segment, dx -273F:7906 A1 4D06 mov ax,word ptr ds:[4D06h] ; Get ptr to copy of +273F:7906 A1 4D06 mov ax, anim_src_segment ; Get ptr to copy of 273F:7909 8E C0 mov es,ax ; anim table header 273F:790B 26: A1 0002 mov ax,es:[2] ; Get 1st entry 273F:790F D1 E8 shr ax,1 @@ -18006,7 +18005,7 @@ PLAYER_ACTION_CONTINUE_WALK equ 5 273F:7935 01 06 4D00 add buffer_segment, ax 273F:7939 D1 E9 shr cx,1 ; Shift w/zeros fill 273F:793B 06 push es -273F:793C A1 4D06 mov ax,word ptr ds:[4D06h] ; (273F:4D06=28h) +273F:793C A1 4D06 mov ax, anim_src_segment 273F:793F 8E C0 mov es,ax 273F:7941 26: A1 0002 mov ax,es:data_67e ; (0028:0002=0) 273F:7945 D1 E8 shr ax,1 ; Shift w/zeros fill @@ -18026,8 +18025,8 @@ PLAYER_ACTION_CONTINUE_WALK equ 5 273F:7964 5F pop di 273F:7965 1F pop ds 273F:7966 1E push ds -273F:7967 A1 4D06 mov ax,word ptr ds:[4D06h] ; (273F:4D06=28h) -273F:796A 8E D8 mov ds,ax +273F:7967 A1 4D06 mov ax, anim_src_segment +273F:796A 8E D8 mov ds, ax 273F:796C 8B 0E 0000 mov cx,ds:data_66e ; (0028:0000=0) 273F:7970 úBE 0002 mov si,data_67e ; (0028:0002=0) 273F:7973 83 EF 01 sub di,1 @@ -26315,7 +26314,9 @@ PLAYER_ACTION_CONTINUE_WALK equ 5 31E4:4D00 0000 buffer_segment dw 0 31E4:4D02 0000 buffer_segment_end dw 0 -31E4:4D04 000C[00] db 12 dup (0) +31E4:4D04 0000 anim_src_segment2 dw 0 +31E4:4D06 0000 anim_src_segment dw 0 +31E4:4D08 0008[00] db 8 dup (0) 31E4:4D10 42 4E 1B 4E 63 4E db 42h, 4Eh, 1Bh, 4Eh, 63h, 4Eh 31E4:4D16 AC 4E 00 00 00 00 db 0ACh, 4Eh, 00h, 00h, 00h, 00h 31E4:4D1C AC 4E AC 4E AC 4E db 0ACh, 4Eh,0ACh, 4Eh,0ACh, 4Eh |