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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 2288 $ |
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9 | |||
10 | |||
11 | LOAD_FROM_FILE equ 0 |
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12 | LOAD_FROM_MEM equ 1 |
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13 | LOAD_INDIRECT equ 2 |
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14 | LOAD_SYSTEM equ 3 |
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15 | |||
16 | struc BITMAPINFOHEADER { |
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17 | .biSize dd ? ; DWORD |
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18 | .biWidth dd ? ; LONG |
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19 | .biHeight dd ? ; LONG |
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20 | .biPlanes dw ? ; WORD |
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21 | .biBitCount dw ? ; WORD |
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22 | .biCompression dd ? ; DWORD |
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23 | .biSizeImage dd ? ; DWORD |
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24 | .biXPelsPerMeter dd ? ; LONG |
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25 | .biYPelsPerMeter dd ? ; LONG |
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26 | .biClrUsed dd ? ; DWORD |
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27 | .biClrImportant dd ? ; DWORD |
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28 | } |
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29 | |||
30 | virtual at 0 |
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31 | BI BITMAPINFOHEADER |
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32 | end virtual |
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33 | |||
34 | align 4 |
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35 | proc init_cursor stdcall, dst:dword, src:dword |
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36 | locals |
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37 | rBase dd ? |
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38 | pQuad dd ? |
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39 | pBits dd ? |
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40 | pAnd dd ? |
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41 | width dd ? |
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42 | height dd ? |
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43 | counter dd ? |
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44 | endl |
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45 | |||
46 | mov esi, [src] |
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47 | add esi, [esi+18] |
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48 | mov eax, esi |
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49 | |||
50 | cmp [esi+BI.biBitCount], 24 |
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51 | je .img_24 |
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52 | cmp [esi+BI.biBitCount], 8 |
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53 | je .img_8 |
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54 | cmp [esi+BI.biBitCount], 4 |
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55 | je .img_4 |
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56 | |||
57 | .img_2: |
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58 | add eax, [esi] |
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59 | mov [pQuad], eax |
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60 | add eax, 8 |
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61 | mov [pBits], eax |
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62 | add eax, 128 |
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63 | mov [pAnd], eax |
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64 | mov eax, [esi+4] |
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65 | mov [width], eax |
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66 | mov ebx, [esi+8] |
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67 | shr ebx, 1 |
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68 | mov [height], ebx |
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69 | |||
70 | mov edi, [dst] |
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71 | add edi, 32*31*4 |
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72 | mov [rBase], edi |
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73 | |||
74 | mov esi, [pQuad] |
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75 | .l21: |
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76 | mov ebx, [pBits] |
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77 | mov ebx, [ebx] |
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78 | bswap ebx |
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79 | mov eax, [pAnd] |
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80 | mov eax, [eax] |
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81 | bswap eax |
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82 | mov [counter], 32 |
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83 | @@: |
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84 | xor edx, edx |
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85 | shl eax, 1 |
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86 | setc dl |
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87 | dec edx |
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88 | |||
89 | xor ecx, ecx |
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90 | shl ebx, 1 |
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91 | setc cl |
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92 | mov ecx, [esi+ecx*4] |
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93 | and ecx, edx |
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94 | and edx, 0xFF000000 |
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95 | or edx, ecx |
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96 | mov [edi], edx |
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97 | |||
98 | add edi, 4 |
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99 | dec [counter] |
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100 | jnz @B |
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101 | |||
102 | add [pBits], 4 |
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103 | add [pAnd], 4 |
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104 | mov edi, [rBase] |
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105 | sub edi, 128 |
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106 | mov [rBase], edi |
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107 | sub [height], 1 |
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108 | jnz .l21 |
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109 | ret |
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110 | |||
111 | .img_4: |
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112 | add eax, [esi] |
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113 | mov [pQuad], eax |
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114 | add eax, 64 |
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115 | mov [pBits], eax |
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116 | add eax, 0x200 |
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117 | mov [pAnd], eax |
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118 | mov eax, [esi+4] |
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119 | mov [width], eax |
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120 | mov ebx, [esi+8] |
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121 | shr ebx, 1 |
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122 | mov [height], ebx |
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123 | |||
124 | mov edi, [dst] |
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125 | add edi, 32*31*4 |
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126 | mov [rBase], edi |
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127 | |||
128 | mov esi, [pQuad] |
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129 | mov ebx, [pBits] |
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130 | .l4: |
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131 | mov eax, [pAnd] |
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132 | mov eax, [eax] |
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133 | bswap eax |
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134 | mov [counter], 16 |
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135 | @@: |
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136 | xor edx, edx |
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137 | shl eax, 1 |
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138 | setc dl |
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139 | dec edx |
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140 | |||
141 | movzx ecx, byte [ebx] |
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142 | and cl, 0xF0 |
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143 | shr ecx, 2 |
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144 | mov ecx, [esi+ecx] |
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145 | and ecx, edx |
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146 | and edx, 0xFF000000 |
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147 | or edx, ecx |
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148 | mov [edi], edx |
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149 | |||
150 | xor edx, edx |
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151 | shl eax, 1 |
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152 | setc dl |
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153 | dec edx |
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154 | |||
155 | movzx ecx, byte [ebx] |
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156 | and cl, 0x0F |
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157 | mov ecx, [esi+ecx*4] |
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158 | and ecx, edx |
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159 | and edx, 0xFF000000 |
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160 | or edx, ecx |
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161 | mov [edi+4], edx |
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162 | |||
163 | inc ebx |
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164 | add edi, 8 |
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165 | dec [counter] |
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166 | jnz @B |
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167 | |||
168 | add [pAnd], 4 |
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169 | mov edi, [rBase] |
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170 | sub edi, 128 |
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171 | mov [rBase], edi |
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172 | sub [height], 1 |
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173 | jnz .l4 |
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174 | ret |
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175 | .img_8: |
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176 | add eax, [esi] |
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177 | mov [pQuad], eax |
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178 | add eax, 1024 |
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179 | mov [pBits], eax |
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180 | add eax, 1024 |
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181 | mov [pAnd], eax |
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182 | mov eax, [esi+4] |
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183 | mov [width], eax |
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184 | mov ebx, [esi+8] |
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185 | shr ebx, 1 |
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186 | mov [height], ebx |
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187 | |||
188 | mov edi, [dst] |
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189 | add edi, 32*31*4 |
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190 | mov [rBase], edi |
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191 | |||
192 | mov esi, [pQuad] |
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193 | mov ebx, [pBits] |
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194 | .l81: |
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195 | mov eax, [pAnd] |
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196 | mov eax, [eax] |
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197 | bswap eax |
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198 | mov [counter], 32 |
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199 | @@: |
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200 | xor edx, edx |
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201 | shl eax, 1 |
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202 | setc dl |
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203 | dec edx |
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204 | |||
205 | movzx ecx, byte [ebx] |
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206 | mov ecx, [esi+ecx*4] |
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207 | and ecx, edx |
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208 | and edx, 0xFF000000 |
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209 | or edx, ecx |
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210 | mov [edi], edx |
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211 | |||
212 | inc ebx |
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213 | add edi, 4 |
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214 | dec [counter] |
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215 | jnz @B |
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216 | |||
217 | add [pAnd], 4 |
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218 | mov edi, [rBase] |
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219 | sub edi, 128 |
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220 | mov [rBase], edi |
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221 | sub [height], 1 |
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222 | jnz .l81 |
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223 | ret |
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224 | .img_24: |
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225 | add eax, [esi] |
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226 | mov [pQuad], eax |
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227 | add eax, 0xC00 |
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228 | mov [pAnd], eax |
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229 | mov eax, [esi+BI.biWidth] |
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230 | mov [width], eax |
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231 | mov ebx, [esi+BI.biHeight] |
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232 | shr ebx, 1 |
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233 | mov [height], ebx |
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234 | |||
235 | mov edi, [dst] |
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236 | add edi, 32*31*4 |
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237 | mov [rBase], edi |
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238 | |||
239 | mov esi, [pAnd] |
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240 | mov ebx, [pQuad] |
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241 | .row_24: |
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242 | mov eax, [esi] |
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243 | bswap eax |
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244 | mov [counter], 32 |
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245 | @@: |
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246 | xor edx, edx |
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247 | shl eax, 1 |
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248 | setc dl |
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249 | dec edx |
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250 | |||
251 | mov ecx, [ebx] |
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252 | and ecx, 0x00FFFFFF |
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253 | and ecx, edx |
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254 | and edx, 0xFF000000 |
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255 | or edx, ecx |
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256 | mov [edi], edx |
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257 | add ebx, 3 |
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258 | add edi, 4 |
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259 | dec [counter] |
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260 | jnz @B |
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261 | |||
262 | add esi, 4 |
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263 | mov edi, [rBase] |
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264 | sub edi, 128 |
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265 | mov [rBase], edi |
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266 | sub [height], 1 |
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267 | jnz .row_24 |
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268 | ret |
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269 | endp |
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270 | |||
271 | align 4 |
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272 | proc set_cursor stdcall, hcursor:dword |
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273 | mov eax, [hcursor] |
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274 | cmp [eax+CURSOR.magic], 'CURS' |
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275 | jne .fail |
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276 | ; cmp [eax+CURSOR.size], CURSOR_SIZE |
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277 | ; jne .fail |
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278 | mov ebx, [current_slot] |
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279 | xchg eax, [ebx+APPDATA.cursor] |
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280 | ret |
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281 | .fail: |
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282 | mov eax, [def_cursor] |
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283 | mov ebx, [current_slot] |
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284 | xchg eax, [ebx+APPDATA.cursor] |
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285 | ret |
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286 | endp |
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287 | |||
288 | ; param |
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289 | ; eax= pid |
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290 | ; ebx= src |
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291 | ; ecx= flags |
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292 | |||
293 | create_cursor: |
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294 | .src equ esp |
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295 | .flags equ esp+4 |
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296 | .hcursor equ esp+8 |
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297 | |||
298 | sub esp, 4 ;space for .hcursor |
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299 | push ecx |
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300 | push ebx |
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301 | |||
302 | mov ebx, eax |
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303 | mov eax, CURSOR.sizeof |
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304 | call create_kernel_object |
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305 | test eax, eax |
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306 | jz .fail |
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307 | |||
308 | mov [.hcursor], eax |
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309 | |||
310 | xor ebx, ebx |
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311 | mov [eax+CURSOR.magic], 'CURS' |
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312 | mov [eax+CURSOR.destroy], destroy_cursor |
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313 | mov [eax+CURSOR.hot_x], ebx |
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314 | mov [eax+CURSOR.hot_y], ebx |
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315 | |||
316 | stdcall kernel_alloc, 0x1000 |
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317 | test eax, eax |
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318 | jz .fail |
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319 | |||
320 | mov edi, [.hcursor] |
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321 | mov [edi+CURSOR.base], eax |
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322 | |||
323 | mov esi, [.src] |
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324 | mov ebx, [.flags] |
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325 | cmp bx, LOAD_INDIRECT |
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326 | je .indirect |
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327 | |||
328 | movzx ecx, word [esi+10] |
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329 | movzx edx, word [esi+12] |
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330 | mov [edi+CURSOR.hot_x], ecx |
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331 | mov [edi+CURSOR.hot_y], edx |
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332 | |||
333 | stdcall init_cursor, eax, esi |
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334 | |||
335 | mov eax, [.hcursor] |
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336 | lea eax, [eax+CURSOR.list_next] |
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337 | lea edx, [_display.cr_list.next] |
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338 | |||
339 | pushfd |
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340 | cli |
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341 | mov ecx, [edx] |
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342 | |||
343 | mov [eax], ecx |
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344 | mov [eax+4], edx |
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345 | |||
346 | mov [ecx+4], eax |
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347 | mov [edx], eax |
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348 | popfd |
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349 | |||
350 | mov eax, [.hcursor] |
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351 | .check_hw: |
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352 | cmp [_display.init_cursor], 0 |
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353 | je .fail |
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354 | |||
355 | push eax |
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356 | call [_display.init_cursor] |
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357 | add esp, 4 |
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358 | |||
359 | mov eax, [.hcursor] |
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360 | .fail: |
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361 | add esp, 12 |
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362 | ret |
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363 | .indirect: |
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364 | shr ebx, 16 |
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365 | movzx ecx, bh |
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366 | movzx edx, bl |
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367 | mov [eax+CURSOR.hot_x], ecx |
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368 | mov [eax+CURSOR.hot_y], edx |
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369 | |||
370 | xchg edi, eax |
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371 | mov ecx, 1024 |
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372 | cld |
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373 | rep movsd |
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374 | jmp .check_hw |
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375 | |||
376 | align 4 |
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377 | proc load_cursor stdcall, src:dword, flags:dword |
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378 | locals |
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379 | handle dd ? |
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380 | endl |
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381 | |||
382 | xor eax, eax |
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383 | cmp [create_cursor], eax |
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384 | je .fail2 |
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385 | |||
386 | mov [handle], eax |
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387 | cmp word [flags], LOAD_FROM_FILE |
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388 | jne @F |
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389 | |||
390 | stdcall load_file, [src] |
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391 | test eax, eax |
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392 | jz .fail |
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393 | mov [src], eax |
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394 | @@: |
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395 | push ebx |
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396 | push esi |
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397 | push edi |
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398 | |||
399 | mov eax, [CURRENT_TASK] |
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400 | shl eax, 5 |
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401 | mov eax, [CURRENT_TASK+eax+4] |
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402 | mov ebx, [src] |
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403 | mov ecx, [flags] |
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404 | call create_cursor ;eax, ebx, ecx |
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405 | mov [handle], eax |
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406 | |||
407 | cmp word [flags], LOAD_FROM_FILE |
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408 | jne .exit |
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409 | stdcall kernel_free, [src] |
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410 | .exit: |
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411 | pop edi |
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412 | pop esi |
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413 | pop ebx |
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414 | .fail: |
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415 | mov eax, [handle] |
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416 | .fail2: |
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417 | ret |
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418 | endp |
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419 | |||
420 | align 4 |
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421 | proc delete_cursor stdcall, hcursor:dword |
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422 | locals |
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423 | hsrv dd ? |
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424 | io_code dd ? |
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425 | input dd ? |
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426 | inp_size dd ? |
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427 | output dd ? |
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428 | out_size dd ? |
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429 | endl |
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430 | |||
431 | mov esi, [hcursor] |
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432 | cmp [esi+CURSOR.magic], 'CURS' |
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433 | jne .fail |
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434 | |||
435 | mov ebx, [CURRENT_TASK] |
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436 | shl ebx, 5 |
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437 | mov ebx, [CURRENT_TASK+ebx+4] |
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438 | cmp ebx, [esi+CURSOR.pid] |
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439 | jne .fail |
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440 | |||
441 | mov ebx, [current_slot] |
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442 | cmp esi, [ebx+APPDATA.cursor] |
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443 | jne @F |
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444 | mov eax, [def_cursor] |
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445 | mov [ebx+APPDATA.cursor], eax |
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446 | @@: |
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447 | mov eax, [hcursor] |
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448 | call [eax+APPOBJ.destroy] |
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449 | .fail: |
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450 | ret |
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451 | endp |
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452 | |||
453 | ; param |
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454 | ; eax= cursor |
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455 | |||
456 | align 4 |
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457 | destroy_cursor: |
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458 | |||
459 | push eax |
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460 | stdcall kernel_free, [eax+CURSOR.base] |
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461 | pop eax |
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462 | |||
463 | call destroy_kernel_object |
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464 | ret |
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465 | |||
466 | align 4 |
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467 | select_cursor: |
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468 | mov eax, [esp+4] |
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469 | mov [_display.cursor], eax |
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470 | ret 4 |
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471 | |||
472 | align 4 |
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473 | proc restore_24 stdcall, x:dword, y:dword |
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474 | |||
475 | push ebx |
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476 | |||
477 | mov ebx, [cur_saved_base] |
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478 | mov edx, [cur.h] |
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479 | test edx, edx |
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480 | jz .ret |
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481 | |||
482 | push esi |
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483 | push edi |
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484 | |||
485 | mov esi, cur_saved_data |
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486 | mov ecx, [cur.w] |
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487 | lea ecx, [ecx+ecx*2] |
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488 | push ecx |
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489 | @@: |
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490 | mov edi, ebx |
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491 | add ebx, [BytesPerScanLine] |
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492 | |||
493 | mov ecx, [esp] |
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494 | rep movsb |
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495 | dec edx |
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496 | jnz @B |
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497 | |||
498 | pop ecx |
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499 | pop edi |
||
500 | pop esi |
||
501 | .ret: |
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502 | pop ebx |
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503 | ret |
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504 | endp |
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505 | |||
506 | align 4 |
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507 | proc restore_32 stdcall, x:dword, y:dword |
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508 | |||
509 | push ebx |
||
510 | |||
511 | mov ebx, [cur_saved_base] |
||
512 | mov edx, [cur.h] |
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513 | test edx, edx |
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514 | jz .ret |
||
515 | |||
516 | push esi |
||
517 | push edi |
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518 | |||
519 | mov esi, cur_saved_data |
||
520 | @@: |
||
521 | mov edi, ebx |
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522 | add ebx, [BytesPerScanLine] |
||
523 | |||
524 | mov ecx, [cur.w] |
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525 | rep movsd |
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526 | dec edx |
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527 | jnz @B |
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528 | |||
529 | pop edi |
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530 | .ret: |
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531 | pop esi |
||
532 | pop ebx |
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533 | ret |
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534 | endp |
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535 | |||
536 | align 4 |
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537 | proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword |
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538 | locals |
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539 | h dd ? |
||
540 | _dx dd ? |
||
541 | _dy dd ? |
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542 | endl |
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543 | |||
544 | mov esi, [hcursor] |
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545 | mov ecx, [x] |
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546 | mov eax, [y] |
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547 | mov ebx, [BytesPerScanLine] |
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548 | |||
549 | xor edx, edx |
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550 | sub ecx, [esi+CURSOR.hot_x] |
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551 | lea ebx, [ecx+32-1] |
||
552 | mov [x], ecx |
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553 | sets dl |
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554 | dec edx |
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555 | and ecx, edx ;clip x to 0<=x |
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556 | mov [cur.left], ecx |
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557 | mov edi, ecx |
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558 | sub edi, [x] |
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559 | mov [_dx], edi |
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560 | |||
561 | xor edx, edx |
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562 | sub eax, [esi+CURSOR.hot_y] |
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563 | lea edi, [eax+32-1] |
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564 | mov [y], eax |
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565 | sets dl |
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566 | dec edx |
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567 | and eax, edx ;clip y to 0<=y |
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568 | mov [cur.top], eax |
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569 | mov edx, eax |
||
570 | sub edx, [y] |
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571 | mov [_dy], edx |
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572 | |||
573 | mul dword [BytesPerScanLine] |
||
574 | lea edx, [LFB_BASE+ecx*3] |
||
575 | add edx, eax |
||
576 | mov [cur_saved_base], edx |
||
577 | |||
578 | cmp ebx, [Screen_Max_X] |
||
579 | jbe @F |
||
580 | mov ebx, [Screen_Max_X] |
||
581 | @@: |
||
582 | cmp edi, [Screen_Max_Y] |
||
583 | jbe @F |
||
584 | mov edi, [Screen_Max_Y] |
||
585 | @@: |
||
586 | mov [cur.right], ebx |
||
587 | mov [cur.bottom], edi |
||
588 | |||
589 | sub ebx, [x] |
||
590 | sub edi, [y] |
||
591 | inc ebx |
||
592 | inc edi |
||
593 | |||
594 | mov [cur.w], ebx |
||
595 | mov [cur.h], edi |
||
596 | mov [h], edi |
||
597 | |||
598 | mov eax, edi |
||
599 | mov edi, cur_saved_data |
||
600 | @@: |
||
601 | mov esi, edx |
||
602 | add edx, [BytesPerScanLine] |
||
603 | mov ecx, [cur.w] |
||
604 | lea ecx, [ecx+ecx*2] |
||
605 | rep movsb |
||
606 | dec eax |
||
607 | jnz @B |
||
608 | |||
609 | ;draw cursor |
||
610 | mov ebx, [cur_saved_base] |
||
611 | mov eax, [_dy] |
||
612 | shl eax, 5 |
||
613 | add eax, [_dx] |
||
614 | |||
615 | mov esi, [hcursor] |
||
616 | mov esi, [esi+CURSOR.base] |
||
617 | lea edx, [esi+eax*4] |
||
618 | .row: |
||
619 | mov ecx, [cur.w] |
||
620 | mov esi, edx |
||
621 | mov edi, ebx |
||
622 | add edx, 32*4 |
||
623 | add ebx, [BytesPerScanLine] |
||
624 | .pix: |
||
625 | lodsd |
||
626 | test eax, 0xFF000000 |
||
627 | jz @F |
||
628 | mov [edi], ax |
||
629 | shr eax, 16 |
||
630 | mov [edi+2], al |
||
631 | @@: |
||
632 | add edi, 3 |
||
633 | dec ecx |
||
634 | jnz .pix |
||
635 | |||
636 | dec [h] |
||
637 | jnz .row |
||
638 | ret |
||
639 | endp |
||
640 | |||
641 | |||
642 | align 4 |
||
643 | proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
||
644 | locals |
||
645 | h dd ? |
||
646 | _dx dd ? |
||
647 | _dy dd ? |
||
648 | endl |
||
649 | |||
650 | mov esi, [hcursor] |
||
651 | mov ecx, [x] |
||
652 | mov eax, [y] |
||
653 | |||
654 | xor edx, edx |
||
655 | sub ecx, [esi+CURSOR.hot_x] |
||
656 | lea ebx, [ecx+32-1] |
||
657 | mov [x], ecx |
||
658 | sets dl |
||
659 | dec edx |
||
660 | and ecx, edx ;clip x to 0<=x |
||
661 | mov [cur.left], ecx |
||
662 | mov edi, ecx |
||
663 | sub edi, [x] |
||
664 | mov [_dx], edi |
||
665 | |||
666 | xor edx, edx |
||
667 | sub eax, [esi+CURSOR.hot_y] |
||
668 | lea edi, [eax+32-1] |
||
669 | mov [y], eax |
||
670 | sets dl |
||
671 | dec edx |
||
672 | and eax, edx ;clip y to 0<=y |
||
673 | mov [cur.top], eax |
||
674 | mov edx, eax |
||
675 | sub edx, [y] |
||
676 | mov [_dy], edx |
||
677 | |||
678 | mul dword [BytesPerScanLine] |
||
679 | lea edx, [LFB_BASE+eax+ecx*4] |
||
680 | mov [cur_saved_base], edx |
||
681 | |||
682 | cmp ebx, [Screen_Max_X] |
||
683 | jbe @F |
||
684 | mov ebx, [Screen_Max_X] |
||
685 | @@: |
||
686 | cmp edi, [Screen_Max_Y] |
||
687 | jbe @F |
||
688 | mov edi, [Screen_Max_Y] |
||
689 | @@: |
||
690 | mov [cur.right], ebx |
||
691 | mov [cur.bottom], edi |
||
692 | |||
693 | sub ebx, [x] |
||
694 | sub edi, [y] |
||
695 | inc ebx |
||
696 | inc edi |
||
697 | |||
698 | mov [cur.w], ebx |
||
699 | mov [cur.h], edi |
||
700 | mov [h], edi |
||
701 | |||
702 | mov eax, edi |
||
703 | mov edi, cur_saved_data |
||
704 | @@: |
||
705 | mov esi, edx |
||
706 | add edx, [BytesPerScanLine] |
||
707 | mov ecx, [cur.w] |
||
708 | rep movsd |
||
709 | dec eax |
||
710 | jnz @B |
||
711 | |||
712 | ;draw cursor |
||
713 | mov ebx, [cur_saved_base] |
||
714 | mov eax, [_dy] |
||
715 | shl eax, 5 |
||
716 | add eax, [_dx] |
||
717 | |||
718 | mov esi, [hcursor] |
||
719 | mov esi, [esi+CURSOR.base] |
||
720 | lea edx, [esi+eax*4] |
||
721 | .row: |
||
722 | mov ecx, [cur.w] |
||
723 | mov esi, edx |
||
724 | mov edi, ebx |
||
725 | add edx, 32*4 |
||
726 | add ebx, [BytesPerScanLine] |
||
727 | .pix: |
||
728 | lodsd |
||
729 | test eax, 0xFF000000 |
||
730 | jz @F |
||
731 | mov [edi], eax |
||
732 | @@: |
||
733 | add edi, 4 |
||
734 | dec ecx |
||
735 | jnz .pix |
||
736 | |||
737 | dec [h] |
||
738 | jnz .row |
||
739 | ret |
||
740 | endp |
||
741 | |||
742 | |||
743 | align 4 |
||
744 | get_display: |
||
745 | mov eax, _display |
||
746 | ret |
||
747 | |||
748 | align 4 |
||
749 | init_display: |
||
750 | |||
751 | xor eax, eax |
||
752 | mov edi, _display |
||
753 | |||
754 | mov [edi+display_t.init_cursor], eax |
||
755 | mov [edi+display_t.select_cursor], eax |
||
756 | mov [edi+display_t.show_cursor], eax |
||
757 | mov [edi+display_t.move_cursor], eax |
||
758 | mov [edi+display_t.restore_cursor], eax |
||
759 | |||
760 | lea ecx, [edi+display_t.cr_list.next] |
||
761 | mov [edi+display_t.cr_list.next], ecx |
||
762 | mov [edi+display_t.cr_list.prev], ecx |
||
763 | |||
764 | cmp [SCR_MODE], word 0x13 |
||
765 | jbe .fail |
||
766 | |||
767 | test word [SCR_MODE], 0x4000 |
||
768 | jz .fail |
||
769 | |||
770 | mov ebx, restore_32 |
||
771 | mov ecx, move_cursor_32 |
||
772 | movzx eax, byte [ScreenBPP] |
||
773 | cmp eax, 32 |
||
774 | je @F |
||
775 | |||
776 | mov ebx, restore_24 |
||
777 | mov ecx, move_cursor_24 |
||
778 | cmp eax, 24 |
||
779 | jne .fail |
||
780 | @@: |
||
781 | mov [_display.select_cursor], select_cursor |
||
782 | mov [_display.move_cursor], ecx |
||
783 | mov [_display.restore_cursor], ebx |
||
784 | |||
785 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
||
786 | mov [def_cursor], eax |
||
787 | ret |
||
788 | .fail: |
||
789 | xor eax, eax |
||
790 | mov [_display.select_cursor], eax |
||
791 | mov [_display.move_cursor], eax |
||
792 | ret |
||
793 | |||
794 | |||
795 | |||
796 | |||
797 | |||
798 | |||
799 | |||
800 | |||
801 | |||
802 | |||
803 | align 4 |
||
804 | def_arrow: |
||
805 | file 'arrow.cur'=y |
||
806 |