参数表
; w- c( E$ k% @4 _. Z: h: L& Sarg1:[arg1+10]+[arg1+C]*arg3+arg2*2存放缓冲区(应该就是屏幕显示区在内存的映像)基地址3 w3 s7 b+ q8 f
arg2:字符串宽度 x
- ?0 M, _) E1 O$ Y3 X. m+ Karg3:y) \" r; k4 I8 e! X- b/ \
arg4:颜色
% H# S6 O( V( g& ^: D4 e8 Rarg5:与颜色深度有关- f" r4 t: T6 ?0 c! ?9 p( ~. D
arg6:与颜色深度有关6 F2 {' r3 f0 p7 j! y
ecx:字符的编码基地址' q7 _' P8 v' V
4 i$ T. y( e+ q3 e8 f
0071B820 /$ 83EC 54 sub esp,54
0 }) Z7 Q$ q: m6 X0071B823 |. 53 push ebx4 }6 P" ?/ i& F1 x
0071B824 |. 8B5C24 5C mov ebx,dword ptr ss:[esp+5C], o% H( _7 {$ W! X' ?$ W& k
0071B828 |. 55 push ebp
+ L4 B% S! I1 G* n6 @+ ?0071B829 |. 56 push esi( o Y5 O* b0 J/ z1 f. y! `' U7 w
0071B82A |. 8B43 08 mov eax,dword ptr ds:[ebx+8]
, d% R8 o& V5 J+ ]0071B82D |. 8BF1 mov esi,ecx
/ f" F/ R9 ~1 A% f0 I0071B82F |. 8B4B 04 mov ecx,dword ptr ds:[ebx+4]* o4 R3 s* L( b
0071B832 |. 57 push edi1 P* n- P8 l% \. @' \$ s9 h$ y# S7 S2 M) J
0071B833 |. 50 push eax
' I9 x2 n; g% N0071B834 |. 51 push ecx/ X4 ]4 e: n9 _8 z) h8 f$ X
0071B835 |. 6A 00 push 0
7 s. u' j. R4 D5 T' T/ a0071B837 |. 6A 00 push 0
& j" H5 `1 L' i q; B0 a8 z. l0071B839 |. 8D4C24 54 lea ecx,dword ptr ss:[esp+54]
# f1 m% U# b9 S. s0071B83D |. 897424 20 mov dword ptr ss:[esp+20],esi
5 i8 E, J: G* d0071B841 |. E8 6ABCCEFF call heroes4.004074B0
5 y& S! t( \! O: r! v7 R. }) B% K0 q0071B846 |. 8B56 08 mov edx,dword ptr ds:[esi+8]
' p/ I; }. r6 ]" ^2 O7 W! T0071B849 |. 8B46 04 mov eax,dword ptr ds:[esi+4]
. p' B$ ~# H" I" p J0071B84C |. 52 push edx
. K5 ?+ X7 R; A4 H0 `0 O0071B84D |. 50 push eax
" e- A! K- Z* E0071B84E |. 6A 00 push 0+ e% e7 |1 a% N; E# p3 g# ]
0071B850 |. 6A 00 push 0
/ s7 [4 g- P' _$ G0071B852 |. 8D4C24 44 lea ecx,dword ptr ss:[esp+44]
1 |: v: M# X8 n( Q0 r8 H0071B856 |. E8 55BCCEFF call heroes4.004074B0( `+ l* Q, w, g1 d) ?% o1 S
0071B85B |. 8B4C24 34 mov ecx,dword ptr ss:[esp+34]
) V7 R% z* y7 T9 u, p0071B85F |. 8B5424 38 mov edx,dword ptr ss:[esp+38]
) _, q6 C& T& P9 ?0071B863 |. 8B4424 3C mov eax,dword ptr ss:[esp+3C]
, b9 t* s2 `4 V& b0 E% A, s1 Z0071B867 |. 894C24 24 mov dword ptr ss:[esp+24],ecx
' O3 y* M3 W* i1 Y2 S) P3 n! F; y0071B86B |. 8B4C24 40 mov ecx,dword ptr ss:[esp+40]/ S; O3 z# O6 F
0071B86F |. 895424 28 mov dword ptr ss:[esp+28],edx
4 p; R1 R% Z( a A% o0071B873 |. 8D5424 6C lea edx,dword ptr ss:[esp+6C]
- K. w5 y2 q) a A' f4 n0071B877 |. 894C24 30 mov dword ptr ss:[esp+30],ecx
+ ^+ W3 F. N# N/ D0071B87B |. 52 push edx2 T. a& M" |7 d% e* f7 m
0071B87C |. 8D4C24 28 lea ecx,dword ptr ss:[esp+28]7 B2 i, k, m( b
0071B880 |. 894424 30 mov dword ptr ss:[esp+30],eax
1 S2 g. u( @3 ^; c5 c7 \0071B884 |. E8 47BCCEFF call heroes4.004074D0 L! ` ~+ R4 L2 w8 x
0071B889 |. 8B4424 30 mov eax,dword ptr ss:[esp+30]. e% v# ]' C* V7 w, ?8 a
0071B88D |. 8B4C24 50 mov ecx,dword ptr ss:[esp+50]
5 T' X& d8 \% b8 F' T0071B891 |. 3BC1 cmp eax,ecx2 E- Z5 L3 [' O, i7 Q ]1 M, Q2 {7 }
0071B893 |. 8BF8 mov edi,eax
) C/ p) y2 K* P0071B895 |. 7C 02 jl short heroes4.0071B899" q# I- b; x" v
0071B897 |. 8BF9 mov edi,ecx
1 |% w. y$ G7 {; S8 W3 I$ S8 I0071B899 |> 8B4424 2C mov eax,dword ptr ss:[esp+2C]
7 c& u- u+ V1 M) u# N0071B89D |. 8B5424 4C mov edx,dword ptr ss:[esp+4C]
# j/ s+ W2 F1 L) J e, [) D* [0071B8A1 |. 3BC2 cmp eax,edx
- F! C* g) d" z( Y" a0071B8A3 |. 7D 02 jge short heroes4.0071B8A7: k- p+ f! a' }
0071B8A5 |. 8BD0 mov edx,eax2 g! `! ?. ~5 E0 b4 L- |
0071B8A7 |> 8B4424 28 mov eax,dword ptr ss:[esp+28]
7 g3 u! |3 n8 x o0 B0071B8AB |. 8B4C24 48 mov ecx,dword ptr ss:[esp+48]
% e2 W8 m+ A) A( S( i; l- \0071B8AF |. 3BC1 cmp eax,ecx
9 m: g! s+ d4 ^$ L0 `0071B8B1 |. 7E 02 jle short heroes4.0071B8B5
! E; P, i. C- J" r. k8 a0071B8B3 |. 8BC8 mov ecx,eax- u2 U% r/ s" m
0071B8B5 |> 8B4424 24 mov eax,dword ptr ss:[esp+24]
, N0 g9 [8 I% F0 j# q0071B8B9 |. 8B7424 44 mov esi,dword ptr ss:[esp+44]
6 Z c/ j7 T* a0 |0071B8BD |. 3BC6 cmp eax,esi
+ u' @9 g } l# E0071B8BF |. 7F 02 jg short heroes4.0071B8C3- p8 J) D% m6 O
0071B8C1 |. 8BC6 mov eax,esi
; P& O+ G/ t( F- z' O4 n& L+ a/ N0071B8C3 |> 57 push edi$ a# {% x$ G' x% M/ k9 w
0071B8C4 |. 52 push edx4 u: a0 ~2 U' O) p
0071B8C5 |. 51 push ecx, h. P- c3 G; h! L" O/ H
0071B8C6 |. 50 push eax* c& a+ f0 t/ P1 h! V1 q3 j+ a
0071B8C7 |. 8D4C24 64 lea ecx,dword ptr ss:[esp+64]6 [( k1 ~6 l2 O9 X: o
0071B8CB |. E8 E0BBCEFF call heroes4.004074B0
- D" n! U+ d" |+ |+ h0071B8D0 |. 8B4424 60 mov eax,dword ptr ss:[esp+60], b8 C# l1 y w, {0 J- K! F
0071B8D4 |. 8B7424 58 mov esi,dword ptr ss:[esp+58]
" t# y. z; w- U5 D9 L0071B8D8 |. 2BC6 sub eax,esi* V" G4 r" m) u$ q2 z; W
0071B8DA |. 85C0 test eax,eax
, ]2 S, `; D& Z" b9 `0071B8DC |. 894424 18 mov dword ptr ss:[esp+18],eax' N" O: @" U2 j( W5 a
0071B8E0 |. 0F8E B0010000 jle heroes4.0071BA96
- h* \6 u7 ]( w! X( s0071B8E6 |. 8B6C24 5C mov ebp,dword ptr ss:[esp+5C]& L9 ?" L1 p% S. B
0071B8EA |. 8B4C24 54 mov ecx,dword ptr ss:[esp+54] ; 数值上等于arg2
, b' L. G6 ` e5 \) n' v- E+ |) w( s* k0071B8EE |. 2BE9 sub ebp,ecx
) U+ v, r8 X5 P% V% [4 `, Y/ v0071B8F0 |. 85ED test ebp,ebp
1 K! k& `" |2 L5 j3 ~0071B8F2 |. 896C24 1C mov dword ptr ss:[esp+1C],ebp
$ W. U- z5 v7 l) A% ]0071B8F6 |. 0F8E 9A010000 jle heroes4.0071BA96
3 {0 t. H. L5 z0071B8FC |. 8B4424 6C mov eax,dword ptr ss:[esp+6C] ; arg2
8 d/ B# n( k( }2 I3 F0071B900 |. 8BF9 mov edi,ecx2 j. E4 i6 q4 H. {6 \8 I/ W
0071B902 |. 2BF8 sub edi,eax, l. ^( R$ B2 Q! h4 k L! U3 {- w
0071B904 |. 8B4424 70 mov eax,dword ptr ss:[esp+70] ; arg3( k* Q" e3 S# y5 I2 J
0071B908 |. 8BD6 mov edx,esi) p9 W9 [0 ~6 _' O* W( u& I/ D
0071B90A |. 894C24 24 mov dword ptr ss:[esp+24],ecx7 o; v4 X W3 V6 Y4 R# E% y$ L
0071B90E |. 2BD0 sub edx,eax
5 D9 E# H+ j/ |! t9 h0071B910 |. 8B43 0C mov eax,dword ptr ds:[ebx+C]+ }+ o# V% O. t5 j! Z# E, m% l/ k
0071B913 |. 8BD8 mov ebx,eax
. }' k7 L7 n9 g2 f7 {4 R0071B915 |. 0FAFDE imul ebx,esi
9 s5 `( g) S# D0071B918 |. 8D344B lea esi,dword ptr ds:[ebx+ecx*2]6 `2 S$ m2 S! e
0071B91B |. 8B4C24 68 mov ecx,dword ptr ss:[esp+68]
' r! K% x) {3 V% J. f0071B91F |. 8B59 10 mov ebx,dword ptr ds:[ecx+10]
& g v- Q3 u) L$ M* H C0071B922 |. 8B4C24 10 mov ecx,dword ptr ss:[esp+10]
( m2 z% v$ A0 U/ k0071B926 |. 03F3 add esi,ebx
( T6 e$ {, R' h( a# Z* t& q f0071B928 |. 8B49 0C mov ecx,dword ptr ds:[ecx+C]! d/ h! E4 q8 \# c4 z3 L
0071B92B |. 897424 68 mov dword ptr ss:[esp+68],esi; 重点:将缓冲区地址写入栈内(原arg1处), Z/ B' _, S5 B: @
0071B92F |. 8BD9 mov ebx,ecx9 a6 Z6 E; c, u
0071B931 |. 2BCD sub ecx,ebp1 Z( I' N+ w6 `
0071B933 |. 0FAFDA imul ebx,edx0 V# K; ~& j6 B- g
0071B936 |. 8B5424 10 mov edx,dword ptr ss:[esp+10]
6 Q6 H1 m8 N, X2 V, n4 U0071B93A |. 894C24 20 mov dword ptr ss:[esp+20],ecx5 E \+ m- w$ n
0071B93E |. 8D4C2D 00 lea ecx,dword ptr ss:[ebp+ebp]$ d. \ w# M2 P% x
0071B942 |. 035A 10 add ebx,dword ptr ds:[edx+10]
! q6 H; r9 o" p- Q4 L0071B945 |. 8B5424 18 mov edx,dword ptr ss:[esp+18]
3 l: |( R% \) @! F* k9 R0071B949 |. 2BC1 sub eax,ecx, q6 k o) t( N4 O( y
0071B94B |. 894424 24 mov dword ptr ss:[esp+24],eax7 C Q/ W5 e: d- j) j2 }
0071B94F |. 03DF add ebx,edi
I* @; } {9 F' q) E0 n0071B951 |. 8BC2 mov eax,edx
" _! y2 Z0 q5 |& a. C# ~0071B953 |. 4A dec edx* Q( N" V# E6 e
0071B954 |. 85C0 test eax,eax
, Y. B; `7 X0 `/ g# P0071B956 |. 0F84 3A010000 je heroes4.0071BA96
7 I, Y: c7 l$ t. a# i" } W0071B95C |. 42 inc edx
% e K) |9 m+ W0 s& Q/ ]0071B95D |. 895424 18 mov dword ptr ss:[esp+18],edx
3 J. c: A0 U, `0071B961 |> 85ED /test ebp,ebp2 ]$ s2 w ?' e v
0071B963 |. 0F84 0E010000 |je heroes4.0071BA77
8 N- j6 e# q# `& V; M0071B969 |. 8B4424 74 |mov eax,dword ptr ss:[esp+74]
1 ?3 k8 N k( K/ s4 k9 l' y. v0071B96D |. 896C24 14 |mov dword ptr ss:[esp+14],ebp
& F! C4 F2 n2 L( z0071B971 |. 25 FFFF0000 |and eax,0FFFF9 B$ T0 |+ s( Y$ a' U5 I7 ?
0071B976 |. 894424 10 |mov dword ptr ss:[esp+10],eax
- X0 {# ?! K2 C5 ]; U" d0071B97A |> 8A4424 78 |/mov al,byte ptr ss:[esp+78]
' [+ l9 @% Y* w$ ]" e0071B97E |. 8B2D DCF0AA00 ||mov ebp,dword ptr ds:[AAF0DC]
8 l! R. j' f& r; Q: T0071B984 |. 84C0 ||test al,al$ ?( p* s3 i3 B; n7 q
0071B986 |. 74 6A ||je short heroes4.0071B9F2+ @# p9 W5 _% f- D$ a$ H- T
0071B988 |. 8A0B ||mov cl,byte ptr ds:[ebx] ; 取字模的像素点
2 E8 U7 X3 n; v* s0071B98A |. 8B4424 7C ||mov eax,dword ptr ss:[esp+7C]% W$ x, a+ G7 S$ d
0071B98E |. 83E1 0F ||and ecx,0F ; 取低四位
4 v" k8 s1 ?$ V/ x0071B991 |. 25 FFFF0000 ||and eax,0FFFF
* U8 f- ?0 _7 S9 {& Z0071B996 |. 8BF9 ||mov edi,ecx' [* O+ H, e4 Y* Z8 J2 v
0071B998 |. 33C9 ||xor ecx,ecx
; ^+ x# \+ [9 }0071B99A |. 66:8B0E ||mov cx,word ptr ds:[esi] ; 取缓冲区的原值
p) D- J" f3 F* r0071B99D |. 85FF ||test edi,edi ; 检查字模的像素点低四位是否为0, ?- X _, }! u! L+ o3 s
0071B99F |. 74 54 ||je short heroes4.0071B9F5 ; 为0则不作处理
: `4 Z: g# y- E% W( f' |: H3 V0071B9A1 |. 8BD7 ||mov edx,edi" S: V5 n: i0 H. T9 V" H
0071B9A3 |. 8BF1 ||mov esi,ecx
4 ~% S5 K5 F: l# \3 ~% d0071B9A5 |. C1FA 03 ||sar edx,3
2 f5 J$ a( Y5 b/ n5 X- @, z, E" R0071B9A8 |. 83E2 01 ||and edx,1$ D1 v5 ?) g5 a2 R/ y/ {
0071B9AB |. 03FA ||add edi,edx
" C, x N8 D: {; U( d7 q6 l0071B9AD |. 8BD1 ||mov edx,ecx
! O2 H% M& C* ^' }& ], U0071B9AF |. 8B0D 04F1AA00 ||mov ecx,dword ptr ds:[AAF104]' P- f7 P' ?) Z% v8 f
0071B9B5 |. 23D5 ||and edx,ebp
7 k" ~# X, _3 C2 Y0071B9B7 |. 23F1 ||and esi,ecx
- A7 Y; Q7 o$ A: `! E8 y& h8 [0071B9B9 |. 8BC8 ||mov ecx,eax" L4 T6 w/ ?& J- P; h5 Q+ N, V4 z
0071B9BB |. 230D 04F1AA00 ||and ecx,dword ptr ds:[AAF104]
6 k& R! O& H; O+ r0 n) P0071B9C1 |. 23C5 ||and eax,ebp
: N G! }) ~ Q1 O' p/ S0071B9C3 |. 2BC2 ||sub eax,edx7 \; }& W; H* l' ]8 i8 ?( [5 B
0071B9C5 |. 2BCE ||sub ecx,esi. g: o0 N* }$ H- y8 `: F8 _9 |
0071B9C7 |. 0FAFC7 ||imul eax,edi6 w2 v% L' Y% i- {% G- z! E
0071B9CA |. 0FAFCF ||imul ecx,edi" P& ]; l- Q$ }5 ?& H8 |
0071B9CD |. C1E6 04 ||shl esi,48 G* f" s% g5 s% A( Q
0071B9D0 |. 03CE ||add ecx,esi
9 v& q4 D. P' s$ ~0 s2 a0071B9D2 |. 8B35 F4F0AA00 ||mov esi,dword ptr ds:[AAF0F4]
/ F7 D* N" T7 T5 w, |0071B9D8 |. C1E2 04 ||shl edx,48 Z" k0 M6 [' G
0071B9DB |. 23CE ||and ecx,esi
3 j3 ?! k+ r9 _+ k0071B9DD |. 8B35 D8F0AA00 ||mov esi,dword ptr ds:[AAF0D8]
# u( B+ a! ]* q0071B9E3 |. 03C2 ||add eax,edx+ c% u& H( x7 s& d7 ?7 N# q: u' B
0071B9E5 |. 23C6 ||and eax,esi
o( _$ b: E0 [9 r/ `/ j; \" f0071B9E7 |. 8B7424 68 ||mov esi,dword ptr ss:[esp+68]
% H0 P( B5 X1 _/ N( E* Q/ g) I ^0071B9EB |. 03C8 ||add ecx,eax2 B$ R6 K1 S0 c( N$ ]) V+ b( x
0071B9ED |. C1F9 04 ||sar ecx,4
) I8 U3 h) @) S0071B9F0 |. EB 03 ||jmp short heroes4.0071B9F5
6 j; r! L8 x) J; Q0071B9F2 |> 66:8B0E ||mov cx,word ptr ds:[esi] f6 S- c2 v9 \4 ^
0071B9F5 |> 33D2 ||xor edx,edx* {& A v/ J# a! {# p- Z1 y
0071B9F7 |. 81E1 FFFF0000 ||and ecx,0FFFF
9 H1 q0 ]; q+ q1 \9 O) n0071B9FD |. 8A13 ||mov dl,byte ptr ds:[ebx]4 l, V3 k3 C5 R! g( I& ?; E
0071B9FF |. 8BC1 ||mov eax,ecx
9 R. n h( T0 n0 y: ^8 O0 D$ T0071BA01 |. C1EA 04 ||shr edx,4 ; 取高四位
+ x6 E, X/ h/ @( b, I) I* u7 O3 T0071BA04 |. 85D2 ||test edx,edx ; 检查字模的像素点高四位是否为00 I9 ?" x# f& B0 b" Q* d& \5 x
0071BA06 |. 74 51 ||je short heroes4.0071BA59 ; 为0则不作处理
0 b0 l& D" z. P' _0071BA08 |. 8BCA ||mov ecx,edx2 |0 F4 M5 B9 d% J1 H! c8 m
0071BA0A |. 8BF0 ||mov esi,eax1 @0 y/ L, F: K* N
0071BA0C |. C1F9 03 ||sar ecx,3" }4 H+ ]+ A" q
0071BA0F |. 83E1 01 ||and ecx,1
1 y, s7 B* L8 J+ C* h% h0071BA12 |. 23F5 ||and esi,ebp
2 D% o/ O: z$ T) \! V# a( V0071BA14 |. 03D1 ||add edx,ecx
) d, z6 D% X, R8 {( C! G- N0071BA16 |. 8BC8 ||mov ecx,eax
- j+ o& `) \: A' k6 a6 C0071BA18 |. 8B4424 10 ||mov eax,dword ptr ss:[esp+10]) B3 |+ `8 p J: _2 F
0071BA1C |. 8B3D 04F1AA00 ||mov edi,dword ptr ds:[AAF104]- k. v* R& p1 p, w3 ^0 K
0071BA22 |. 23C5 ||and eax,ebp3 p* \; P4 t) A) ^4 y" Y9 y
0071BA24 |. 23CF ||and ecx,edi5 }- R0 j1 e" {' W- z
0071BA26 |. 2BC6 ||sub eax,esi
7 k# D$ j0 N2 j; z3 j& a4 f0071BA28 |. 0FAFC2 ||imul eax,edx
2 T: M7 T7 _8 {- Y, H! L- S0071BA2B |. C1E6 04 ||shl esi,4
# ` a4 e( P. R `0071BA2E |. 03C6 ||add eax,esi% q# _7 I7 M2 w" ?
0071BA30 |. 8B35 D8F0AA00 ||mov esi,dword ptr ds:[AAF0D8]) g: I7 a: d9 e
0071BA36 |. 23C6 ||and eax,esi
. I# I6 ~2 L8 t& R; e$ h& V0071BA38 |. 8B7424 10 ||mov esi,dword ptr ss:[esp+10]
$ X* c5 h1 p8 o9 ?2 R3 I3 m0071BA3C |. 23F7 ||and esi,edi
) i4 X R0 g/ U) c2 S0071BA3E |. 8B3D F4F0AA00 ||mov edi,dword ptr ds:[AAF0F4]6 h, ~5 F" z! m7 i6 C
0071BA44 |. 2BF1 ||sub esi,ecx$ A% U% v3 r1 S1 ? u# M% k% d1 u9 I
0071BA46 |. 0FAFF2 ||imul esi,edx( E3 J. q+ G1 ~# U# t3 v: h. \+ O
0071BA49 |. C1E1 04 ||shl ecx,4' n2 a. r8 S3 Z8 B9 w# d* b
0071BA4C |. 03F1 ||add esi,ecx! t8 p' n& h6 [
0071BA4E |. 23F7 ||and esi,edi
9 o" p7 D7 c3 e0071BA50 |. 03C6 ||add eax,esi
4 [" _2 O# t* K8 e+ \# u" y6 f0071BA52 |. 8B7424 68 ||mov esi,dword ptr ss:[esp+68]
! D: \ c+ q+ i, ^0071BA56 |. C1F8 04 ||sar eax,4
5 ^" I9 i7 ]* j" m0071BA59 |> 66:8906 ||mov word ptr ds:[esi],ax ; 将经过处理后的缓冲区值放回原处
, |2 ?6 C( C! a+ X1 D0071BA5C |. 8B4424 14 ||mov eax,dword ptr ss:[esp+14]
5 [8 y% z/ l# A i w. l0071BA60 |. 43 ||inc ebx ; 指向字模的下个像素点( _/ p$ R8 c+ O0 V% b- e
0071BA61 |. 83C6 02 ||add esi,2 ; 指向缓冲区的下个点# S$ N j/ i+ b2 v5 b
0071BA64 |. 48 ||dec eax ; 计数值减1
/ G d' h* f- H3 Z' W* A3 V p0071BA65 |. 897424 68 ||mov dword ptr ss:[esp+68],esi3 w7 i8 ^# W: p2 x2 T2 X# J/ P2 i
0071BA69 |. 894424 14 ||mov dword ptr ss:[esp+14],eax
( R+ }0 `' A( m0071BA6D |.^ 0F85 07FFFFFF |\jnz heroes4.0071B97A6 o1 f1 Y+ o9 ]' d
0071BA73 |. 8B6C24 1C |mov ebp,dword ptr ss:[esp+1C]
4 H. e) d9 J& q" p' `0071BA77 |> 8B5424 20 |mov edx,dword ptr ss:[esp+20]. e% k" ^- c6 Q! G: h+ N/ W
0071BA7B |. 8B4C24 24 |mov ecx,dword ptr ss:[esp+24]4 @5 Z$ u* i: ]
0071BA7F |. 8B4424 18 |mov eax,dword ptr ss:[esp+18]
" A% b* |" H+ j' p/ V0071BA83 |. 03DA |add ebx,edx ; 指向字模的下行像素点& u8 y' Q; q5 o C
0071BA85 |. 03F1 |add esi,ecx ; 指向缓冲区的下行点7 @/ R. ?1 H6 t) D1 h9 C
0071BA87 |. 48 |dec eax ; 计数值减1# G; s. f+ w! x9 ` L' x2 W' x) D
0071BA88 |. 897424 68 |mov dword ptr ss:[esp+68],esi) i4 {2 {$ j2 ]1 r2 B$ ?
0071BA8C |. 894424 18 |mov dword ptr ss:[esp+18],eax
4 c8 c! O$ N9 o" z0071BA90 |.^ 0F85 CBFEFFFF \jnz heroes4.0071B961
% {0 R2 @9 |/ E) E& x% ^! r3 X0071BA96 |> 5F pop edi/ @- k- i) T' b9 L. M, v4 u
0071BA97 |. 5E pop esi" `9 G+ D1 X1 N7 X. {& [
0071BA98 |. 5D pop ebp
7 L" }5 x, `: ? a2 ~: G$ T6 p0071BA99 |. 5B pop ebx* p4 p! K/ o8 n5 f0 b
0071BA9A |. 83C4 54 add esp,54
; v! n/ @* s4 l$ Q! e3 R, d' n0071BA9D \. C2 1800 retn 18" S* A6 F8 k7 M( s0 h+ P0 f2 J
本函数的核心是两层循环,从71B9A1开始就是循环体,整个换算过程是一个比较复杂的算法,可以简单表示为:
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buf[x][y]=func(buf[x][y],zm[x/2][y/2])
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& {2 V. X# h, `% v6 ]& Jbuf:缓冲区二维数组,两个字节表示一个点
2 M% P1 d7 ?, _/ V; Tzm:字模二维数组,一个字节表示一个点 |