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Rev | Author | Line No. | Line |
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465 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2007. 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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221 | serge | 7 | |
593 | mikedld | 8 | $Revision: 673 $ |
9 | |||
10 | |||
221 | serge | 11 | LOAD_FROM_FILE equ 0 |
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 | |||
224 | serge | 16 | struc BITMAPINFOHEADER { |
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 | |||
221 | serge | 34 | align 4 |
35 | proc vesa_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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224 | serge | 47 | add esi,[esi+18] |
48 | mov eax,esi |
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221 | serge | 49 | |
224 | serge | 50 | cmp [esi+BI.biBitCount], 24 |
51 | je .img_24 |
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233 | serge | 52 | cmp [esi+BI.biBitCount], 8 |
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 | |||
224 | serge | 111 | .img_4: |
221 | serge | 112 | add eax, [esi] |
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 | |||
233 | serge | 128 | mov esi,[pQuad] |
221 | serge | 129 | mov ebx, [pBits] |
233 | serge | 130 | .l4: |
131 | mov eax, [pAnd] |
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132 | mov eax, [eax] |
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221 | serge | 133 | bswap eax |
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 | |||
233 | serge | 141 | movzx ecx, byte [ebx] |
142 | and cl, 0xF0 |
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221 | serge | 143 | shr ecx, 2 |
233 | serge | 144 | mov ecx, [esi+ecx] |
221 | serge | 145 | and ecx, edx |
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 | |||
233 | serge | 155 | movzx ecx, byte [ebx] |
156 | and cl, 0x0F |
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157 | mov ecx, [esi+ecx*4] |
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221 | serge | 158 | and ecx, edx |
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 | |||
233 | serge | 168 | add [pAnd], 4 |
221 | serge | 169 | mov edi,[rBase] |
170 | sub edi,128 |
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171 | mov [rBase],edi |
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172 | sub [height],1 |
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233 | serge | 173 | jnz .l4 |
221 | serge | 174 | ret |
233 | serge | 175 | .img_8: |
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 | serge | 224 | .img_24: |
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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221 | serge | 269 | endp |
270 | |||
271 | align 4 |
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227 | serge | 272 | proc set_cursor stdcall, hcursor:dword |
273 | mov eax, [hcursor] |
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230 | serge | 274 | cmp [eax+CURSOR.magic], 'CURS' |
275 | jne .fail |
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281 | serge | 276 | ; cmp [eax+CURSOR.size], CURSOR_SIZE |
277 | ; jne .fail |
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465 | serge | 278 | mov ebx, [current_slot] |
279 | xchg eax, [ebx+APPDATA.cursor] |
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227 | serge | 280 | ret |
230 | serge | 281 | .fail: |
282 | mov eax, [def_cursor] |
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465 | serge | 283 | mov ebx, [current_slot] |
284 | xchg eax, [ebx+APPDATA.cursor] |
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230 | serge | 285 | ret |
227 | serge | 286 | endp |
221 | serge | 287 | |
281 | serge | 288 | ; param |
289 | ; eax= pid |
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290 | ; ebx= src |
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291 | ; ecx= flags |
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227 | serge | 292 | |
281 | serge | 293 | vesa_cursor: |
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_SIZE |
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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 | |||
227 | serge | 316 | stdcall kernel_alloc, 0x1000 |
221 | serge | 317 | test eax, eax |
318 | jz .fail |
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319 | |||
281 | serge | 320 | mov edi, [.hcursor] |
227 | serge | 321 | mov [edi+CURSOR.base], eax |
221 | serge | 322 | |
281 | serge | 323 | mov esi, [.src] |
324 | mov ebx, [.flags] |
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227 | serge | 325 | cmp bx, LOAD_INDIRECT |
326 | je .indirect |
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221 | serge | 327 | |
227 | serge | 328 | movzx ecx, word [esi+10] |
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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221 | serge | 332 | |
227 | serge | 333 | stdcall vesa_init_cursor, eax, esi |
281 | serge | 334 | mov eax, [.hcursor] |
221 | serge | 335 | .fail: |
281 | serge | 336 | add esp, 12 |
221 | serge | 337 | ret |
227 | serge | 338 | .indirect: |
339 | shr ebx, 16 |
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340 | movzx ecx, bh |
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341 | movzx edx, bl |
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342 | mov [eax+CURSOR.hot_x], ecx |
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343 | mov [eax+CURSOR.hot_y], edx |
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221 | serge | 344 | |
227 | serge | 345 | xchg edi, eax |
346 | mov ecx, 1024 |
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347 | cld |
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348 | rep movsd |
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281 | serge | 349 | add esp, 12 |
221 | serge | 350 | ret |
351 | |||
352 | align 4 |
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353 | proc load_cursor stdcall, src:dword, flags:dword |
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354 | locals |
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355 | handle dd ? |
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356 | endl |
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357 | |||
227 | serge | 358 | xor eax, eax |
359 | mov [handle], eax |
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360 | cmp word [flags], LOAD_FROM_FILE |
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361 | jne @F |
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221 | serge | 362 | |
363 | stdcall load_file, [src] |
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364 | test eax, eax |
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662 | serge | 365 | jz .fail |
221 | serge | 366 | mov [src], eax |
227 | serge | 367 | @@: |
662 | serge | 368 | push ebx |
369 | push esi |
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370 | push edi |
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371 | |||
281 | serge | 372 | mov eax, [CURRENT_TASK] |
373 | shl eax, 5 |
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379 | serge | 374 | mov eax, [CURRENT_TASK+eax+4] |
281 | serge | 375 | mov ebx, [src] |
376 | mov ecx, [flags] |
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377 | call [create_cursor] ;eax, ebx, ecx |
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221 | serge | 378 | mov [handle], eax |
662 | serge | 379 | |
227 | serge | 380 | cmp word [flags], LOAD_FROM_FILE |
381 | jne .exit |
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221 | serge | 382 | stdcall kernel_free, [src] |
227 | serge | 383 | .exit: |
662 | serge | 384 | pop edi |
385 | pop esi |
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386 | pop ebx |
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387 | .fail: |
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221 | serge | 388 | mov eax, [handle] |
389 | ret |
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390 | endp |
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391 | |||
392 | align 4 |
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233 | serge | 393 | proc delete_cursor stdcall, hcursor:dword |
394 | locals |
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395 | hsrv dd ? |
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396 | io_code dd ? |
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397 | input dd ? |
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398 | inp_size dd ? |
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399 | output dd ? |
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400 | out_size dd ? |
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401 | endl |
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402 | |||
403 | mov esi, [hcursor] |
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404 | cmp [esi+CURSOR.magic], 'CURS' |
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405 | jne .fail |
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281 | serge | 406 | ; cmp [esi+CURSOR.size], CURSOR_SIZE |
407 | ; jne .fail |
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233 | serge | 408 | |
409 | mov ebx, [CURRENT_TASK] |
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410 | shl ebx, 5 |
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379 | serge | 411 | mov ebx, [CURRENT_TASK+ebx+4] |
233 | serge | 412 | cmp ebx, [esi+CURSOR.pid] |
413 | jne .fail |
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414 | |||
465 | serge | 415 | mov ebx, [current_slot] |
416 | cmp esi, [ebx+APPDATA.cursor] |
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233 | serge | 417 | jne @F |
418 | mov eax, [def_cursor] |
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465 | serge | 419 | mov [ebx+APPDATA.cursor], eax |
233 | serge | 420 | @@: |
421 | mov eax, [hcursor] |
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281 | serge | 422 | call [eax+APPOBJ.destroy] |
233 | serge | 423 | .fail: |
424 | ret |
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425 | endp |
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426 | |||
281 | serge | 427 | ; param |
428 | ; eax= cursor |
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429 | |||
233 | serge | 430 | align 4 |
281 | serge | 431 | destroy_cursor: |
432 | |||
433 | push eax |
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434 | stdcall kernel_free, [eax+CURSOR.base] |
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435 | pop eax |
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436 | |||
437 | call destroy_kernel_object |
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438 | ret |
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439 | |||
440 | align 4 |
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638 | serge | 441 | select_cursor: |
442 | |||
443 | ret 4 |
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444 | |||
445 | align 4 |
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221 | serge | 446 | proc init_cursors |
673 | serge | 447 | |
381 | serge | 448 | cmp [SCR_MODE],word 0x13 |
233 | serge | 449 | jbe .fail |
450 | |||
673 | serge | 451 | test word [SCR_MODE], 0x4000 |
452 | jz .fail |
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453 | |||
221 | serge | 454 | movzx eax, byte [ScreenBPP] |
381 | serge | 455 | mov ebx, [BytesPerScanLine] |
221 | serge | 456 | cmp eax, 32 |
457 | jne @F |
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458 | sub ebx, 128 |
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459 | jmp .init |
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460 | @@: |
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461 | cmp eax, 24 |
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462 | jne .fail |
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463 | sub ebx, 96 |
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464 | .init: |
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465 | mov [cur_def_interl], ebx |
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466 | |||
346 | diamond | 467 | stdcall load_driver, szHwMouse |
233 | serge | 468 | mov [hw_cursor], eax |
227 | serge | 469 | test eax, eax |
470 | jz .sw_mouse |
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471 | |||
221 | serge | 472 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
473 | mov [def_cursor], eax |
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227 | serge | 474 | ret |
475 | .sw_mouse: |
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476 | mov [create_cursor], vesa_cursor |
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221 | serge | 477 | |
227 | serge | 478 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
479 | mov [def_cursor], eax |
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480 | |||
381 | serge | 481 | mov ecx, [ScreenWidth] |
482 | mov edx, [ScreenHeight] |
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221 | serge | 483 | inc ecx |
484 | inc edx |
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485 | mov [scr_width], ecx |
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486 | mov [scr_height], edx |
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487 | |||
488 | movzx ebx, byte [ScreenBPP] |
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489 | cmp ebx, 32 |
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490 | jne @F |
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491 | |||
638 | serge | 492 | |
493 | mov dword [select_hw_cursor], select_cursor |
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221 | serge | 494 | mov dword [set_hw_cursor], cursor_32 |
495 | mov dword [hw_restore], restore_32 |
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496 | ret |
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497 | @@: |
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638 | serge | 498 | mov dword [select_hw_cursor], select_cursor |
221 | serge | 499 | mov dword [set_hw_cursor], cursor_24 |
500 | mov dword [hw_restore], restore_24 |
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501 | ret |
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502 | .fail: |
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503 | xor eax, eax |
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638 | serge | 504 | mov dword [select_hw_cursor], eax |
221 | serge | 505 | mov dword [set_hw_cursor], eax |
506 | mov dword [hw_restore], eax |
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507 | ret |
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508 | endp |
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509 | |||
510 | align 4 |
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511 | proc restore_24 stdcall, x:dword, y:dword |
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512 | locals |
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513 | w dd ? |
||
514 | endl |
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515 | |||
516 | mov edi, [cur_saved_base] |
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517 | mov edx, [cur_saved_h] |
||
518 | mov ebx, [cur_saved_interl] |
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641 | diamond | 519 | test edx, edx |
520 | jz .ret |
||
221 | serge | 521 | |
522 | mov esi, cur_saved_data |
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523 | @@: |
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524 | mov ecx, [cur_saved_w] |
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525 | lea ecx, [ecx+ecx*2] |
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526 | rep movsb |
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527 | add edi, ebx |
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528 | dec edx |
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529 | jnz @B |
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641 | diamond | 530 | .ret: |
221 | serge | 531 | ret |
532 | endp |
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533 | |||
534 | align 4 |
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535 | proc restore_32 stdcall, x:dword, y:dword |
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536 | locals |
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537 | w dd ? |
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538 | endl |
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539 | |||
540 | mov edi, [cur_saved_base] |
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541 | mov edx, [cur_saved_h] |
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542 | mov ebx, [cur_saved_interl] |
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641 | diamond | 543 | test edx, edx |
544 | jz .ret |
||
221 | serge | 545 | |
546 | mov esi, cur_saved_data |
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547 | @@: |
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548 | mov ecx, [cur_saved_w] |
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549 | rep movsd |
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550 | add edi, ebx |
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551 | dec edx |
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552 | jnz @B |
||
641 | diamond | 553 | .ret: |
221 | serge | 554 | ret |
555 | endp |
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556 | |||
557 | align 4 |
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558 | proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword |
||
559 | locals |
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560 | w dd ? |
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561 | h dd ? |
||
562 | st dd ? |
||
563 | _dx dd ? |
||
564 | _dy dd ? |
||
565 | endl |
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566 | |||
567 | mov esi, [hcursor] |
||
568 | mov ecx, [x] |
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569 | mov eax, [y] |
||
570 | mov ebx, [BytesPerScanLine] |
||
571 | |||
572 | xor edx, edx |
||
573 | sub ecx, [esi+CURSOR.hot_x] |
||
574 | mov [x], ecx |
||
575 | sets dl |
||
576 | dec edx |
||
577 | and ecx, edx ;clip x to 0<=x |
||
578 | mov edi, ecx |
||
579 | sub edi, [x] |
||
580 | mov [_dx], edi |
||
581 | |||
582 | xor edx, edx |
||
583 | sub eax, [esi+CURSOR.hot_y] |
||
584 | mov [y], eax |
||
585 | sets dl |
||
586 | dec edx |
||
587 | and eax, edx ;clip y to 0<=y |
||
588 | mov edi, eax |
||
589 | sub edi, [y] |
||
590 | mov [_dy], edi |
||
591 | |||
592 | mul ebx |
||
593 | lea esi, [ecx+ecx*2] |
||
594 | add esi, [LFBAddress] |
||
595 | add esi, eax |
||
596 | mov [cur_saved_base],esi |
||
597 | |||
598 | mov edi, [scr_width] |
||
599 | mov edx, [scr_height] |
||
600 | mov eax, 32 |
||
601 | |||
602 | sub edi, ecx |
||
603 | cmp edi, eax |
||
224 | serge | 604 | jng @F |
605 | mov edi, eax |
||
606 | @@: |
||
221 | serge | 607 | sub edi, [_dx] |
608 | |||
609 | sub edx, [y] |
||
610 | cmp edx, eax |
||
224 | serge | 611 | jng @F |
612 | mov edx, eax |
||
613 | @@: |
||
221 | serge | 614 | sub edx, [_dy] |
615 | |||
616 | mov [w], edi |
||
617 | mov [h], edx |
||
618 | mov [cur_saved_w], edi |
||
619 | mov [cur_saved_h], edx |
||
620 | |||
621 | sub eax, edi |
||
224 | serge | 622 | shl eax, 2 ;lea eax, [eax+eax*2] |
221 | serge | 623 | lea edi, [edi+edi*2] |
624 | sub ebx, edi |
||
625 | mov [cur_saved_interl], ebx |
||
626 | |||
627 | mov edi, cur_saved_data |
||
628 | @@: |
||
629 | mov ecx, [w] |
||
630 | lea ecx, [ecx+ecx*2] |
||
631 | rep movsb |
||
632 | add esi, ebx |
||
633 | dec edx |
||
634 | jnz @B |
||
635 | |||
636 | ;draw cursor |
||
637 | mov edx, eax |
||
638 | mov edi, [cur_saved_base] |
||
639 | mov eax, [_dy] |
||
640 | shl eax, 5 |
||
641 | add eax, [_dx] |
||
642 | shl eax, 2 |
||
643 | |||
644 | mov esi, [hcursor] |
||
645 | mov esi, [esi+CURSOR.base] |
||
646 | add esi, eax |
||
647 | .row: |
||
648 | mov ecx, [w] |
||
649 | .pix: |
||
650 | lodsd |
||
651 | test eax, 0xFF000000 |
||
652 | jz @F |
||
653 | |||
654 | mov word [edi], ax |
||
655 | shr eax, 16 |
||
656 | mov [edi+2],al |
||
657 | @@: |
||
658 | add edi, 3 |
||
659 | dec ecx |
||
660 | jnz .pix |
||
661 | |||
662 | add esi, edx |
||
663 | add edi, ebx |
||
664 | dec [h] |
||
665 | jnz .row |
||
666 | ret |
||
667 | endp |
||
668 | |||
669 | align 4 |
||
670 | proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
||
671 | locals |
||
672 | w dd ? |
||
673 | h dd ? |
||
674 | st dd ? |
||
675 | _dx dd ? |
||
676 | _dy dd ? |
||
677 | endl |
||
678 | |||
679 | mov esi, [hcursor] |
||
680 | mov ecx, [x] |
||
681 | mov eax, [y] |
||
682 | mov ebx, [BytesPerScanLine] |
||
683 | |||
684 | xor edx, edx |
||
685 | sub ecx, [esi+CURSOR.hot_x] |
||
686 | mov [x], ecx |
||
687 | sets dl |
||
688 | dec edx |
||
689 | and ecx, edx ;clip x to 0<=x |
||
690 | mov edi, ecx |
||
691 | sub edi, [x] |
||
692 | mov [_dx], edi |
||
693 | |||
694 | xor edx, edx |
||
695 | sub eax, [esi+CURSOR.hot_y] |
||
696 | mov [y], eax |
||
697 | sets dl |
||
698 | dec edx |
||
699 | and eax, edx ;clip y to 0<=y |
||
700 | mov edi, eax |
||
701 | sub edi, [y] |
||
702 | mov [_dy], edi |
||
703 | |||
704 | mul ebx |
||
705 | lea esi, [eax+ecx*4] |
||
706 | add esi, [LFBAddress] |
||
707 | mov [cur_saved_base],esi |
||
708 | |||
709 | mov edi, [scr_width] |
||
710 | mov edx, [scr_height] |
||
711 | mov eax, 32 |
||
712 | |||
713 | sub edi, ecx |
||
714 | cmp edi, eax |
||
224 | serge | 715 | jng @F |
716 | mov edi, eax |
||
717 | @@: |
||
221 | serge | 718 | sub edi, [_dx] |
719 | |||
720 | sub edx, [y] |
||
721 | cmp edx, eax |
||
224 | serge | 722 | jng @F |
723 | mov edx, eax |
||
724 | @@: |
||
221 | serge | 725 | sub edx, [_dy] |
726 | |||
727 | mov [w], edi |
||
728 | mov [h], edx |
||
729 | mov [cur_saved_w], edi |
||
730 | mov [cur_saved_h], edx |
||
731 | |||
732 | sub eax, edi |
||
733 | shl eax, 2 |
||
734 | shl edi, 2 |
||
735 | sub ebx, edi |
||
736 | mov [cur_saved_interl], ebx |
||
737 | |||
738 | mov edi, cur_saved_data |
||
739 | @@: |
||
740 | mov ecx, [w] |
||
741 | rep movsd |
||
742 | add esi, ebx |
||
743 | dec edx |
||
744 | jnz @B |
||
745 | |||
746 | ;draw cursor |
||
747 | mov edx, eax |
||
748 | mov edi, [cur_saved_base] |
||
749 | mov eax, [_dy] |
||
750 | shl eax, 5 |
||
751 | add eax, [_dx] |
||
752 | shl eax, 2 |
||
753 | |||
754 | mov esi, [hcursor] |
||
755 | mov esi, [esi+CURSOR.base] |
||
756 | add esi, eax |
||
757 | .row: |
||
758 | mov ecx, [w] |
||
759 | .pix: |
||
760 | lodsd |
||
761 | test eax, 0xFF000000 |
||
762 | jz @F |
||
763 | mov [edi], eax |
||
764 | @@: |
||
765 | add edi, 4 |
||
766 | dec ecx |
||
767 | jnz .pix |
||
768 | add esi, edx |
||
769 | add edi, ebx |
||
770 | dec [h] |
||
771 | jnz .row |
||
772 | ret |
||
773 | endp |
||
774 | |||
775 | align 4 |
||
776 | def_arrow: |
||
777 | file 'arrow.cur'=y |
||
778 |