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Rev | Author | Line No. | Line |
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1951 | mario79 | 1 | ;***************************************************************************** |
2 | ; RAW to RAW convert plugin - for zSea image viewer |
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3 | ; Copyright (c) 2008-2011, Marat Zakiyanov aka Mario79, aka Mario |
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4 | ; All rights reserved. |
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5 | ; |
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6 | ; Redistribution and use in source and binary forms, with or without |
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7 | ; modification, are permitted provided that the following conditions are met: |
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8 | ; * Redistributions of source code must retain the above copyright |
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9 | ; notice, this list of conditions and the following disclaimer. |
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10 | ; * Redistributions in binary form must reproduce the above copyright |
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11 | ; notice, this list of conditions and the following disclaimer in the |
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12 | ; documentation and/or other materials provided with the distribution. |
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13 | ; * Neither the name of the |
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14 | ; names of its contributors may be used to endorse or promote products |
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15 | ; derived from this software without specific prior written permission. |
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16 | ; |
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17 | ; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY |
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18 | ; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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19 | ; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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20 | ; DISCLAIMED. IN NO EVENT SHALL |
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21 | ; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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22 | ; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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23 | ; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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24 | ; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | ; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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26 | ; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | ;***************************************************************************** |
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28 | |||
29 | ; Convert: |
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30 | ; 16b in 8b |
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31 | ; 1b,2b,3b in 8b |
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32 | |||
33 | format MS COFF |
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34 | |||
35 | public EXPORTS |
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36 | |||
37 | section '.flat' code readable align 16 |
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38 | |||
39 | ;include 'macros.inc' |
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40 | include '../../../../macros.inc' |
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41 | ;--------------------------------------------------------------------- |
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42 | START: |
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43 | pushad |
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1956 | mario79 | 44 | mov eax,dword [esp+36] |
1951 | mario79 | 45 | mov [pointer],eax |
46 | mov eax,[eax+4] |
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47 | mov [image_file],eax |
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1956 | mario79 | 48 | mov esi,[eax+28] |
49 | add esi,eax |
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1951 | mario79 | 50 | mov edi,esi |
51 | mov ecx,[eax+32] |
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52 | ; xor ebx,ebx |
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53 | ; mov [raw_area],ebx |
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54 | |||
55 | ; mov ebx,[pointer] |
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56 | ; movzx eax,word [eax+18] |
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57 | ; mov [ebx+24],eax |
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58 | ; jmp .ret_ok |
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59 | |||
60 | cmp [eax+16],word 16 |
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61 | je .16b |
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62 | cmp [eax+12],dword 1 |
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63 | je .1b |
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64 | cmp [eax+12],dword 2 |
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65 | je .2b |
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66 | cmp [eax+12],dword 4 |
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67 | je .4b |
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68 | ;--------------------------------------------------------------------- |
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69 | .ret_ok: |
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70 | ; mov ebx,[pointer] |
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71 | ; mov eax,[raw_area] |
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72 | ; mov [ebx+20],eax ; store RAW pointer |
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73 | ; mov [ebx+24],ecx |
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74 | |||
75 | mov ebx,[image_file] |
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76 | cmp [ebx+18],word 2 |
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77 | jne @f |
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78 | mov eax,[ebx+12] |
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79 | shr eax,1 |
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80 | mov [ebx+12],eax |
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81 | @@: |
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82 | |||
83 | popad |
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1956 | mario79 | 84 | ret 4 |
1951 | mario79 | 85 | ;--------------------------------------------------------------------- |
86 | .less_8b: |
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87 | mov edx,[image_file] |
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88 | mov ecx,[area_size] |
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89 | add ecx,[edx+28] |
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90 | mcall 68,20 |
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91 | mov [image_file],eax |
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92 | |||
93 | |||
94 | mov ecx,[area_size] |
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95 | mov eax,ecx |
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96 | shr ecx,2 |
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97 | test eax,3 |
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1956 | mario79 | 98 | jz @f |
99 | inc ecx |
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1951 | mario79 | 100 | @@: |
101 | mov esi,[raw_area] |
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102 | mov edi,[image_file] |
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103 | add edi,[edi+28] |
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104 | cld |
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105 | rep movsd |
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106 | |||
107 | mov ecx,[raw_area] |
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108 | mcall 68,13 |
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109 | mov eax,[image_file] |
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110 | mov ebx,[pointer] |
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111 | mov [ebx+4],eax |
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112 | popad |
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1956 | mario79 | 113 | ret 4 |
1951 | mario79 | 114 | ;--------------------------------------------------------------------- |
115 | .16b: |
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1956 | mario79 | 116 | cmp [eax+18],word 3 |
1951 | mario79 | 117 | je @f ;.convert_16_in_8 |
1956 | mario79 | 118 | cmp [eax+18],word 4 |
1951 | mario79 | 119 | jne .16b_1 |
120 | @@: |
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1956 | mario79 | 121 | xor ebx,ebx |
1951 | mario79 | 122 | mov bx,[eax+18] |
123 | |||
124 | xchg eax,ecx |
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125 | xor edx,edx |
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126 | div ebx |
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127 | xchg ecx,eax |
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128 | |||
129 | shr ecx,1 |
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130 | |||
131 | mov [eax+16],word 8 |
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1956 | mario79 | 132 | mov ebx,[eax+12] |
1951 | mario79 | 133 | shr ebx,1 |
134 | mov [eax+12],ebx |
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135 | |||
136 | mov ebx,eax |
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137 | ; jmp .ret_ok |
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138 | |||
139 | .convert_16_in_8: ; converting 16 bit sample to 8 bit |
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140 | cld |
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141 | lodsw |
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142 | mov al,ah |
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143 | stosb |
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144 | |||
145 | lodsw |
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146 | mov al,ah |
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147 | stosb |
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148 | |||
149 | lodsw |
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150 | mov al,ah |
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151 | stosb |
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152 | |||
153 | cmp [ebx+18],word 4 |
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154 | jne @f |
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155 | lodsw |
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156 | mov al,ah |
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157 | stosb |
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158 | @@: |
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159 | dec ecx |
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160 | jnz .convert_16_in_8 |
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161 | jmp .16b_end |
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162 | ;--------------------------------------------------------------------- |
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163 | .16b_1: |
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1956 | mario79 | 164 | cmp [eax+18],word 1 |
1951 | mario79 | 165 | je @f ;.convert_16_in_8_1 |
1956 | mario79 | 166 | cmp [eax+18],word 2 |
1951 | mario79 | 167 | jne .16b_end |
168 | @@: |
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169 | shr ecx,1 |
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170 | |||
171 | mov [eax+16],word 8 |
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1956 | mario79 | 172 | mov ebx,[eax+12] |
1951 | mario79 | 173 | shr ebx,1 |
174 | mov [eax+12],ebx |
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175 | |||
176 | .convert_16_in_8_1: |
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1956 | mario79 | 177 | cld |
178 | lodsw |
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179 | ; shr ax,8 |
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1951 | mario79 | 180 | ; mov al,ah |
1956 | mario79 | 181 | stosb |
182 | dec ecx |
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183 | jnz .convert_16_in_8_1 |
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1951 | mario79 | 184 | ;--------------------------------------------------------------------- |
185 | .16b_end: |
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1956 | mario79 | 186 | xor eax,eax |
1951 | mario79 | 187 | mov [raw_area],eax |
188 | jmp .ret_ok |
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189 | ;--------------------------------------------------------------------- |
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190 | .4b: |
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191 | call .get_memory |
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192 | mov edx,ebx |
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193 | inc ebx |
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194 | shr ebx,1 |
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195 | .4b_1: |
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196 | push ebx edi |
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197 | @@: |
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198 | cld |
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199 | lodsb |
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200 | shl eax,8 |
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201 | mov al,ah |
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202 | and ah,0xf |
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203 | shr al,4 |
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204 | stosw |
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205 | |||
206 | dec ebx |
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207 | jnz @b |
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208 | pop edi ebx |
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209 | add edi,edx |
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210 | dec ecx |
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211 | jnz .4b_1 |
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212 | |||
213 | jmp .less_8b ;.ret_ok |
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214 | ;--------------------------------------------------------------------- |
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215 | .2b: |
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216 | call .get_memory |
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1956 | mario79 | 217 | ; jmp .ret_ok |
1951 | mario79 | 218 | ; shr ecx,1 |
219 | mov edx,ebx |
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220 | mov eax,ebx |
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221 | shr ebx,2 |
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222 | test eax,3 |
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1956 | mario79 | 223 | jz @f |
224 | inc ebx |
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1951 | mario79 | 225 | @@: |
226 | mov ebp,ebx |
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227 | .2b_1: |
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228 | push ebp edi |
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229 | @@: |
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230 | cld |
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231 | lodsb |
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232 | |||
233 | mov bl,al |
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234 | |||
235 | and al,11b |
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236 | shl ax,8 |
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237 | |||
238 | mov al,bl |
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239 | shr al,2 |
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240 | and al,11b |
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241 | shl eax,8 |
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242 | |||
243 | mov al,bl |
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244 | shr al,4 |
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245 | and al,11b |
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246 | shl eax,8 |
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247 | |||
248 | mov al,bl |
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249 | shr al,6 |
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250 | and al,11b |
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251 | |||
252 | stosd |
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253 | |||
254 | dec ebp |
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255 | jnz @b |
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256 | pop edi ebp |
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257 | |||
258 | add edi,edx |
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259 | dec ecx |
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260 | jnz .2b_1 |
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261 | |||
262 | jmp .less_8b ;.ret_ok |
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263 | ;--------------------------------------------------------------------- |
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264 | .1b: |
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265 | call .get_memory |
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266 | mov edx,ebx |
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267 | mov eax,ebx |
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268 | shr ebx,3 |
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269 | test eax,7 |
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1956 | mario79 | 270 | jz @f |
271 | inc ebx |
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1951 | mario79 | 272 | @@: |
273 | mov ebp,ebx |
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274 | .1b_1: |
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275 | push ebp edi |
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276 | @@: |
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277 | cld |
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278 | lodsb |
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279 | |||
280 | mov bl,al |
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281 | shr al,4 |
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282 | and al,1b |
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283 | shl ax,8 |
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284 | |||
285 | mov al,bl |
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286 | shr al,5 |
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287 | and al,1b |
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288 | shl eax,8 |
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289 | |||
290 | mov al,bl |
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291 | shr al,6 |
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292 | and al,1b |
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293 | shl eax,8 |
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294 | |||
295 | mov al,bl |
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296 | shr al,7 |
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297 | ; and al,1b |
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298 | ; shl eax,8 |
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299 | |||
300 | stosd |
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301 | |||
302 | mov al,bl |
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303 | and al,1b |
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304 | shl ax,8 |
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305 | |||
306 | mov al,bl |
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307 | shr al,1 |
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308 | and al,1b |
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309 | shl eax,8 |
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310 | |||
311 | mov al,bl |
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312 | shr al,2 |
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313 | and al,1b |
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314 | shl eax,8 |
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315 | |||
316 | mov al,bl |
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317 | shr al,3 |
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318 | and al,1b |
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319 | |||
320 | stosd |
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321 | |||
322 | dec ebp |
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323 | jnz @b |
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324 | pop edi ebp |
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325 | |||
326 | add edi,edx |
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327 | dec ecx |
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328 | jnz .1b_1 |
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329 | jmp .less_8b ;.ret_ok |
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330 | ;--------------------------------------------------------------------- |
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331 | .get_memory: |
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332 | mov ebx,dword 8 |
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333 | mov [eax+16],bx |
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334 | mov [eax+12],ebx |
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335 | ; mov esi,[eax+28] |
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336 | ; add esi,eax |
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337 | ; push ecx |
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338 | mov ecx,[eax+4] |
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339 | imul ecx,[eax+8] |
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340 | push eax |
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341 | mov [area_size],ecx |
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342 | mcall 68,12 |
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343 | ; pop ecx |
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344 | mov [raw_area],eax |
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345 | mov edi,eax |
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346 | pop eax |
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347 | mov ebx,[eax+4] |
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348 | mov ecx,[eax+8] |
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349 | ret |
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350 | ;--------------------------------------------------------------------- |
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351 | Convert24b: |
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352 | pushad |
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1958 | mario79 | 353 | mov eax,dword [esp+36] |
1951 | mario79 | 354 | mov [pointer],eax |
355 | mov eax,[eax+4] |
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356 | mov [image_file],eax |
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357 | |||
1956 | mario79 | 358 | mov esi,[eax+28] |
359 | add esi,eax |
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1951 | mario79 | 360 | |
361 | mov ebp,[eax+20] |
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1956 | mario79 | 362 | add ebp,eax |
1951 | mario79 | 363 | |
364 | mov ecx,[eax+4] |
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365 | imul ecx,[eax+8] |
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366 | push eax ecx |
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367 | lea ecx,[ecx*3] |
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368 | mcall 68,12 |
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369 | mov [raw_area],eax |
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370 | mov edi,eax |
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371 | pop ecx eax |
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372 | |||
373 | cmp [eax+12],dword 32 |
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374 | je .32b |
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375 | cmp [eax+12],dword 16 |
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376 | je .16b |
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377 | cmp [eax+12],dword 15 |
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378 | je .15b |
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379 | cmp [eax+12],dword 8 |
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380 | je .8b |
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381 | |||
382 | .ret_ok: |
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383 | mov ebx,[pointer] |
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384 | mov eax,[raw_area] |
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385 | mov [ebx+20],eax ; store RAW pointer |
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386 | popad |
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1956 | mario79 | 387 | ret 4 |
1951 | mario79 | 388 | |
389 | ;--------------------------------------------------------------------- |
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390 | .32b: |
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391 | cld |
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392 | lodsd |
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393 | |||
394 | stosw |
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395 | shr eax,16 |
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396 | stosb |
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397 | |||
398 | dec ecx |
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399 | jnz .32b |
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400 | |||
401 | jmp .ret_ok |
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402 | ;--------------------------------------------------------------------- |
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403 | .16b: |
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404 | cld |
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405 | lodsw |
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406 | |||
407 | xor ebx,ebx |
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408 | ror ax,11 |
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409 | mov bl,al |
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410 | and bl,11111b |
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411 | shl bl,3 |
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412 | shl ebx,8 |
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413 | rol ax,6 |
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414 | mov bl,al |
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415 | and bl,111111b |
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416 | shl bl,2 |
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417 | shl ebx,8 |
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418 | rol ax,5 |
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419 | mov bl,al |
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420 | and bl,11111b |
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421 | shl bl,3 |
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422 | mov eax,ebx |
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423 | |||
424 | cld |
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425 | stosw |
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426 | shr eax,16 |
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427 | stosb |
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428 | |||
429 | dec ecx |
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430 | jnz .16b |
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431 | |||
432 | jmp .ret_ok |
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433 | ;--------------------------------------------------------------------- |
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434 | .15b: |
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435 | cld |
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436 | lodsw |
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437 | |||
438 | xor ebx,ebx |
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439 | ror ax,10 |
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440 | mov bl,al |
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441 | and bl,11111b |
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442 | shl bl,3 |
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443 | shl ebx,8 |
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444 | rol ax,5 |
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445 | mov bl,al |
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446 | and bl,11111b |
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447 | shl bl,3 |
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448 | shl ebx,8 |
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449 | rol ax,5 |
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450 | mov bl,al |
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451 | and bl,11111b |
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452 | shl bl,3 |
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453 | mov eax,ebx |
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454 | |||
455 | cld |
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456 | stosw |
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457 | shr eax,16 |
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458 | stosb |
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459 | |||
460 | dec ecx |
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461 | jnz .15b |
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462 | |||
463 | jmp .ret_ok |
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464 | ;--------------------------------------------------------------------- |
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465 | .8b: |
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466 | xor eax,eax |
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467 | cld |
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468 | lodsb |
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469 | shl eax,2 |
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470 | mov eax,[eax+ebp] |
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471 | |||
472 | cld |
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473 | stosw |
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474 | shr eax,16 |
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475 | stosb |
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476 | |||
477 | dec ecx |
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478 | jnz .8b |
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479 | |||
480 | jmp .ret_ok |
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481 | ;--------------------------------------------------------------------- |
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482 | align 16 |
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483 | EXPORTS: |
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484 | dd szStart, START |
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1958 | mario79 | 485 | dd szVersion, 0x00010002 |
486 | dd szConv_24b, Convert24b |
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1951 | mario79 | 487 | dd 0 |
488 | |||
489 | szStart db 'START',0 |
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490 | szVersion db 'version',0 |
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491 | szConv_24b db 'Convert24b',0 |
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492 | pointer dd 0 |
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493 | image_file dd 0 |
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494 | ;delta dd 0 |
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495 | ;resolution dd 0 |
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496 | ;compression dd 0 |
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497 | raw_area dd 0 |
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498 | area_size dd 0 |