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Rev | Author | Line No. | Line |
---|---|---|---|
425 | victor | 1 | $Revision: 425 $ |
221 | serge | 2 | |
3 | LOAD_FROM_FILE equ 0 |
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4 | LOAD_FROM_MEM equ 1 |
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5 | LOAD_INDIRECT equ 2 |
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6 | LOAD_SYSTEM equ 3 |
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233 | serge | 7 | VIDEO_FREE equ 2 |
221 | serge | 8 | |
224 | serge | 9 | struc BITMAPINFOHEADER { |
10 | .biSize dd ? ; DWORD |
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11 | .biWidth dd ? ; LONG |
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12 | .biHeight dd ? ; LONG |
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13 | .biPlanes dw ? ; WORD |
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14 | .biBitCount dw ? ; WORD |
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15 | .biCompression dd ? ; DWORD |
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16 | .biSizeImage dd ? ; DWORD |
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17 | .biXPelsPerMeter dd ? ; LONG |
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18 | .biYPelsPerMeter dd ? ; LONG |
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19 | .biClrUsed dd ? ; DWORD |
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20 | .biClrImportant dd ? ; DWORD |
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21 | } |
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22 | |||
23 | virtual at 0 |
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24 | BI BITMAPINFOHEADER |
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25 | end virtual |
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26 | |||
221 | serge | 27 | align 4 |
28 | proc vesa_init_cursor stdcall, dst:dword, src:dword |
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29 | locals |
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30 | rBase dd ? |
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31 | pQuad dd ? |
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32 | pBits dd ? |
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33 | pAnd dd ? |
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34 | width dd ? |
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35 | height dd ? |
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36 | counter dd ? |
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37 | endl |
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38 | |||
39 | mov esi, [src] |
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224 | serge | 40 | add esi,[esi+18] |
41 | mov eax,esi |
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221 | serge | 42 | |
224 | serge | 43 | cmp [esi+BI.biBitCount], 24 |
44 | je .img_24 |
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233 | serge | 45 | cmp [esi+BI.biBitCount], 8 |
46 | je .img_8 |
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47 | cmp [esi+BI.biBitCount], 4 |
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48 | je .img_4 |
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49 | |||
50 | .img_2: |
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51 | add eax, [esi] |
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52 | mov [pQuad],eax |
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53 | add eax,8 |
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54 | mov [pBits],eax |
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55 | add eax, 128 |
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56 | mov [pAnd],eax |
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57 | mov eax,[esi+4] |
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58 | mov [width],eax |
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59 | mov ebx,[esi+8] |
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60 | shr ebx,1 |
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61 | mov [height],ebx |
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62 | |||
63 | mov edi, [dst] |
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64 | add edi, 32*31*4 |
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65 | mov [rBase],edi |
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66 | |||
67 | mov esi,[pQuad] |
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68 | .l21: |
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69 | mov ebx, [pBits] |
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70 | mov ebx, [ebx] |
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71 | bswap ebx |
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72 | mov eax, [pAnd] |
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73 | mov eax, [eax] |
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74 | bswap eax |
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75 | mov [counter], 32 |
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76 | @@: |
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77 | xor edx, edx |
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78 | shl eax,1 |
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79 | setc dl |
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80 | dec edx |
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81 | |||
82 | xor ecx, ecx |
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83 | shl ebx,1 |
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84 | setc cl |
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85 | mov ecx, [esi+ecx*4] |
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86 | and ecx, edx |
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87 | and edx, 0xFF000000 |
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88 | or edx, ecx |
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89 | mov [edi], edx |
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90 | |||
91 | add edi, 4 |
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92 | dec [counter] |
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93 | jnz @B |
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94 | |||
95 | add [pBits], 4 |
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96 | add [pAnd], 4 |
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97 | mov edi,[rBase] |
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98 | sub edi,128 |
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99 | mov [rBase],edi |
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100 | sub [height],1 |
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101 | jnz .l21 |
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102 | ret |
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103 | |||
224 | serge | 104 | .img_4: |
221 | serge | 105 | add eax, [esi] |
106 | mov [pQuad],eax |
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107 | add eax,64 |
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108 | mov [pBits],eax |
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109 | add eax, 0x200 |
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110 | mov [pAnd],eax |
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111 | mov eax,[esi+4] |
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112 | mov [width],eax |
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113 | mov ebx,[esi+8] |
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114 | shr ebx,1 |
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115 | mov [height],ebx |
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116 | |||
117 | mov edi, [dst] |
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118 | add edi, 32*31*4 |
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119 | mov [rBase],edi |
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120 | |||
233 | serge | 121 | mov esi,[pQuad] |
221 | serge | 122 | mov ebx, [pBits] |
233 | serge | 123 | .l4: |
124 | mov eax, [pAnd] |
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125 | mov eax, [eax] |
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221 | serge | 126 | bswap eax |
127 | mov [counter], 16 |
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128 | @@: |
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129 | xor edx, edx |
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130 | shl eax,1 |
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131 | setc dl |
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132 | dec edx |
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133 | |||
233 | serge | 134 | movzx ecx, byte [ebx] |
135 | and cl, 0xF0 |
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221 | serge | 136 | shr ecx, 2 |
233 | serge | 137 | mov ecx, [esi+ecx] |
221 | serge | 138 | and ecx, edx |
139 | and edx, 0xFF000000 |
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140 | or edx, ecx |
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141 | mov [edi], edx |
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142 | |||
143 | xor edx, edx |
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144 | shl eax,1 |
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145 | setc dl |
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146 | dec edx |
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147 | |||
233 | serge | 148 | movzx ecx, byte [ebx] |
149 | and cl, 0x0F |
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150 | mov ecx, [esi+ecx*4] |
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221 | serge | 151 | and ecx, edx |
152 | and edx, 0xFF000000 |
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153 | or edx, ecx |
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154 | mov [edi+4], edx |
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155 | |||
156 | inc ebx |
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157 | add edi, 8 |
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158 | dec [counter] |
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159 | jnz @B |
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160 | |||
233 | serge | 161 | add [pAnd], 4 |
221 | serge | 162 | mov edi,[rBase] |
163 | sub edi,128 |
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164 | mov [rBase],edi |
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165 | sub [height],1 |
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233 | serge | 166 | jnz .l4 |
221 | serge | 167 | ret |
233 | serge | 168 | .img_8: |
169 | add eax, [esi] |
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170 | mov [pQuad],eax |
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171 | add eax,1024 |
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172 | mov [pBits],eax |
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173 | add eax, 1024 |
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174 | mov [pAnd],eax |
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175 | mov eax,[esi+4] |
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176 | mov [width],eax |
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177 | mov ebx,[esi+8] |
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178 | shr ebx,1 |
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179 | mov [height],ebx |
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180 | |||
181 | mov edi, [dst] |
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182 | add edi, 32*31*4 |
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183 | mov [rBase],edi |
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184 | |||
185 | mov esi,[pQuad] |
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186 | mov ebx, [pBits] |
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187 | .l81: |
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188 | mov eax, [pAnd] |
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189 | mov eax, [eax] |
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190 | bswap eax |
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191 | mov [counter], 32 |
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192 | @@: |
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193 | xor edx, edx |
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194 | shl eax,1 |
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195 | setc dl |
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196 | dec edx |
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197 | |||
198 | movzx ecx, byte [ebx] |
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199 | mov ecx, [esi+ecx*4] |
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200 | and ecx, edx |
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201 | and edx, 0xFF000000 |
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202 | or edx, ecx |
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203 | mov [edi], edx |
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204 | |||
205 | inc ebx |
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206 | add edi, 4 |
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207 | dec [counter] |
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208 | jnz @B |
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209 | |||
210 | add [pAnd], 4 |
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211 | mov edi,[rBase] |
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212 | sub edi,128 |
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213 | mov [rBase],edi |
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214 | sub [height],1 |
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215 | jnz .l81 |
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216 | ret |
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224 | serge | 217 | .img_24: |
218 | add eax, [esi] |
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219 | mov [pQuad],eax |
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220 | add eax, 0xC00 |
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221 | mov [pAnd],eax |
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222 | mov eax,[esi+BI.biWidth] |
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223 | mov [width],eax |
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224 | mov ebx,[esi+BI.biHeight] |
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225 | shr ebx,1 |
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226 | mov [height],ebx |
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227 | |||
228 | mov edi, [dst] |
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229 | add edi, 32*31*4 |
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230 | mov [rBase],edi |
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231 | |||
232 | mov esi,[pAnd] |
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233 | mov ebx, [pQuad] |
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234 | .row_24: |
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235 | mov eax, [esi] |
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236 | bswap eax |
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237 | mov [counter], 32 |
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238 | @@: |
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239 | xor edx, edx |
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240 | shl eax,1 |
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241 | setc dl |
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242 | dec edx |
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243 | |||
244 | mov ecx, [ebx] |
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245 | and ecx, 0x00FFFFFF |
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246 | and ecx, edx |
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247 | and edx, 0xFF000000 |
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248 | or edx, ecx |
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249 | mov [edi], edx |
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250 | add ebx, 3 |
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251 | add edi, 4 |
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252 | dec [counter] |
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253 | jnz @B |
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254 | |||
255 | add esi, 4 |
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256 | mov edi,[rBase] |
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257 | sub edi,128 |
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258 | mov [rBase],edi |
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259 | sub [height],1 |
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260 | jnz .row_24 |
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261 | ret |
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221 | serge | 262 | endp |
263 | |||
264 | align 4 |
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227 | serge | 265 | proc set_cursor stdcall, hcursor:dword |
266 | mov eax, [hcursor] |
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230 | serge | 267 | cmp [eax+CURSOR.magic], 'CURS' |
268 | jne .fail |
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281 | serge | 269 | ; cmp [eax+CURSOR.size], CURSOR_SIZE |
270 | ; jne .fail |
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227 | serge | 271 | mov ebx, [CURRENT_TASK] |
272 | shl ebx, 8 |
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380 | serge | 273 | xchg eax, [ebx+SLOT_BASE+APPDATA.cursor] |
227 | serge | 274 | ret |
230 | serge | 275 | .fail: |
276 | mov eax, [def_cursor] |
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277 | mov ebx, [CURRENT_TASK] |
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278 | shl ebx, 8 |
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380 | serge | 279 | xchg eax, [ebx+SLOT_BASE+APPDATA.cursor] |
230 | serge | 280 | ret |
227 | serge | 281 | endp |
221 | serge | 282 | |
281 | serge | 283 | ; param |
284 | ; eax= pid |
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285 | ; ebx= src |
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286 | ; ecx= flags |
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227 | serge | 287 | |
281 | serge | 288 | vesa_cursor: |
289 | .src equ esp |
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290 | .flags equ esp+4 |
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291 | .hcursor equ esp+8 |
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292 | |||
293 | sub esp, 4 ;space for .hcursor |
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294 | push ecx |
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295 | push ebx |
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296 | |||
297 | mov ebx, eax |
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298 | mov eax, CURSOR_SIZE |
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299 | call create_kernel_object |
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300 | test eax, eax |
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301 | jz .fail |
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302 | |||
303 | mov [.hcursor],eax |
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304 | |||
305 | xor ebx, ebx |
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306 | mov [eax+CURSOR.magic], 'CURS' |
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307 | mov [eax+CURSOR.destroy], destroy_cursor |
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308 | mov [eax+CURSOR.hot_x], ebx |
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309 | mov [eax+CURSOR.hot_y], ebx |
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310 | |||
227 | serge | 311 | stdcall kernel_alloc, 0x1000 |
221 | serge | 312 | test eax, eax |
313 | jz .fail |
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314 | |||
281 | serge | 315 | mov edi, [.hcursor] |
227 | serge | 316 | mov [edi+CURSOR.base], eax |
221 | serge | 317 | |
281 | serge | 318 | mov esi, [.src] |
319 | mov ebx, [.flags] |
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227 | serge | 320 | cmp bx, LOAD_INDIRECT |
321 | je .indirect |
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221 | serge | 322 | |
227 | serge | 323 | movzx ecx, word [esi+10] |
324 | movzx edx, word [esi+12] |
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325 | mov [edi+CURSOR.hot_x], ecx |
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326 | mov [edi+CURSOR.hot_y], edx |
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221 | serge | 327 | |
227 | serge | 328 | stdcall vesa_init_cursor, eax, esi |
281 | serge | 329 | mov eax, [.hcursor] |
221 | serge | 330 | .fail: |
281 | serge | 331 | add esp, 12 |
221 | serge | 332 | ret |
227 | serge | 333 | .indirect: |
334 | shr ebx, 16 |
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335 | movzx ecx, bh |
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336 | movzx edx, bl |
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337 | mov [eax+CURSOR.hot_x], ecx |
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338 | mov [eax+CURSOR.hot_y], edx |
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221 | serge | 339 | |
227 | serge | 340 | xchg edi, eax |
341 | mov ecx, 1024 |
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342 | cld |
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343 | rep movsd |
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281 | serge | 344 | add esp, 12 |
221 | serge | 345 | ret |
346 | |||
347 | align 4 |
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348 | proc load_cursor stdcall, src:dword, flags:dword |
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349 | locals |
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350 | handle dd ? |
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351 | endl |
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352 | |||
227 | serge | 353 | xor eax, eax |
354 | mov [handle], eax |
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355 | cmp word [flags], LOAD_FROM_FILE |
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356 | jne @F |
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221 | serge | 357 | |
358 | stdcall load_file, [src] |
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359 | test eax, eax |
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360 | jz .exit |
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361 | mov [src], eax |
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227 | serge | 362 | @@: |
281 | serge | 363 | mov eax, [CURRENT_TASK] |
364 | shl eax, 5 |
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379 | serge | 365 | mov eax, [CURRENT_TASK+eax+4] |
281 | serge | 366 | mov ebx, [src] |
367 | mov ecx, [flags] |
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368 | call [create_cursor] ;eax, ebx, ecx |
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221 | serge | 369 | mov [handle], eax |
227 | serge | 370 | .fail: |
371 | cmp word [flags], LOAD_FROM_FILE |
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372 | jne .exit |
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221 | serge | 373 | stdcall kernel_free, [src] |
227 | serge | 374 | .exit: |
221 | serge | 375 | mov eax, [handle] |
376 | ret |
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377 | endp |
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378 | |||
379 | align 4 |
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233 | serge | 380 | proc delete_cursor stdcall, hcursor:dword |
381 | locals |
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382 | hsrv dd ? |
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383 | io_code dd ? |
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384 | input dd ? |
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385 | inp_size dd ? |
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386 | output dd ? |
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387 | out_size dd ? |
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388 | endl |
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389 | |||
390 | mov esi, [hcursor] |
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391 | cmp [esi+CURSOR.magic], 'CURS' |
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392 | jne .fail |
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281 | serge | 393 | ; cmp [esi+CURSOR.size], CURSOR_SIZE |
394 | ; jne .fail |
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233 | serge | 395 | |
396 | mov ebx, [CURRENT_TASK] |
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397 | shl ebx, 5 |
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379 | serge | 398 | mov ebx, [CURRENT_TASK+ebx+4] |
233 | serge | 399 | cmp ebx, [esi+CURSOR.pid] |
400 | jne .fail |
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401 | |||
402 | mov ebx, [CURRENT_TASK] |
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403 | shl ebx, 8 |
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380 | serge | 404 | cmp esi, [ebx+SLOT_BASE+APPDATA.cursor] |
233 | serge | 405 | jne @F |
406 | mov eax, [def_cursor] |
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380 | serge | 407 | mov [ebx+SLOT_BASE+APPDATA.cursor], eax |
233 | serge | 408 | @@: |
409 | mov eax, [hcursor] |
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281 | serge | 410 | call [eax+APPOBJ.destroy] |
233 | serge | 411 | .fail: |
412 | ret |
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413 | endp |
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414 | |||
281 | serge | 415 | ; param |
416 | ; eax= cursor |
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417 | |||
233 | serge | 418 | align 4 |
281 | serge | 419 | destroy_cursor: |
420 | |||
421 | push eax |
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422 | stdcall kernel_free, [eax+CURSOR.base] |
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423 | pop eax |
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424 | |||
425 | call destroy_kernel_object |
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426 | ret |
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427 | |||
428 | align 4 |
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221 | serge | 429 | proc init_cursors |
381 | serge | 430 | cmp [SCR_MODE],word 0x13 |
233 | serge | 431 | jbe .fail |
432 | |||
221 | serge | 433 | movzx eax, byte [ScreenBPP] |
381 | serge | 434 | mov ebx, [BytesPerScanLine] |
221 | serge | 435 | cmp eax, 32 |
436 | jne @F |
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437 | sub ebx, 128 |
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438 | jmp .init |
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439 | @@: |
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440 | cmp eax, 24 |
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441 | jne .fail |
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442 | sub ebx, 96 |
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443 | .init: |
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444 | mov [cur_def_interl], ebx |
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445 | |||
346 | diamond | 446 | stdcall load_driver, szHwMouse |
233 | serge | 447 | mov [hw_cursor], eax |
227 | serge | 448 | test eax, eax |
449 | jz .sw_mouse |
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450 | |||
221 | serge | 451 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
452 | mov [def_cursor], eax |
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227 | serge | 453 | ret |
454 | .sw_mouse: |
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455 | mov [create_cursor], vesa_cursor |
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221 | serge | 456 | |
227 | serge | 457 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
458 | mov [def_cursor], eax |
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459 | |||
381 | serge | 460 | mov ecx, [ScreenWidth] |
461 | mov edx, [ScreenHeight] |
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221 | serge | 462 | inc ecx |
463 | inc edx |
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464 | mov [scr_width], ecx |
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465 | mov [scr_height], edx |
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466 | |||
467 | movzx ebx, byte [ScreenBPP] |
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468 | cmp ebx, 32 |
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469 | jne @F |
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470 | |||
471 | mov dword [set_hw_cursor], cursor_32 |
||
472 | mov dword [hw_restore], restore_32 |
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473 | ret |
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474 | @@: |
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475 | mov dword [set_hw_cursor], cursor_24 |
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476 | mov dword [hw_restore], restore_24 |
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477 | ret |
||
478 | .fail: |
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479 | xor eax, eax |
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480 | mov dword [set_hw_cursor], eax |
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481 | mov dword [hw_restore], eax |
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482 | ret |
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483 | endp |
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484 | |||
485 | align 4 |
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486 | proc restore_24 stdcall, x:dword, y:dword |
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487 | locals |
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488 | w dd ? |
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489 | endl |
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490 | |||
491 | mov edi, [cur_saved_base] |
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492 | mov edx, [cur_saved_h] |
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493 | mov ebx, [cur_saved_interl] |
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494 | |||
495 | mov esi, cur_saved_data |
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496 | @@: |
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497 | mov ecx, [cur_saved_w] |
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498 | lea ecx, [ecx+ecx*2] |
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499 | rep movsb |
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500 | add edi, ebx |
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501 | dec edx |
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502 | jnz @B |
||
503 | ret |
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504 | endp |
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505 | |||
506 | align 4 |
||
507 | proc restore_32 stdcall, x:dword, y:dword |
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508 | locals |
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509 | w dd ? |
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510 | endl |
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511 | |||
512 | mov edi, [cur_saved_base] |
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513 | mov edx, [cur_saved_h] |
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514 | mov ebx, [cur_saved_interl] |
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515 | |||
516 | mov esi, cur_saved_data |
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517 | @@: |
||
518 | mov ecx, [cur_saved_w] |
||
519 | rep movsd |
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520 | add edi, ebx |
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521 | dec edx |
||
522 | jnz @B |
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523 | ret |
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524 | endp |
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525 | |||
526 | align 4 |
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527 | proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword |
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528 | locals |
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529 | w dd ? |
||
530 | h dd ? |
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531 | st dd ? |
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532 | _dx dd ? |
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533 | _dy dd ? |
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534 | endl |
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535 | |||
536 | mov esi, [hcursor] |
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537 | mov ecx, [x] |
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538 | mov eax, [y] |
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539 | mov ebx, [BytesPerScanLine] |
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540 | |||
541 | xor edx, edx |
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542 | sub ecx, [esi+CURSOR.hot_x] |
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543 | mov [x], ecx |
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544 | sets dl |
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545 | dec edx |
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546 | and ecx, edx ;clip x to 0<=x |
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547 | mov edi, ecx |
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548 | sub edi, [x] |
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549 | mov [_dx], edi |
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550 | |||
551 | xor edx, edx |
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552 | sub eax, [esi+CURSOR.hot_y] |
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553 | mov [y], eax |
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554 | sets dl |
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555 | dec edx |
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556 | and eax, edx ;clip y to 0<=y |
||
557 | mov edi, eax |
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558 | sub edi, [y] |
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559 | mov [_dy], edi |
||
560 | |||
561 | mul ebx |
||
562 | lea esi, [ecx+ecx*2] |
||
563 | add esi, [LFBAddress] |
||
564 | add esi, eax |
||
565 | mov [cur_saved_base],esi |
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566 | |||
567 | mov edi, [scr_width] |
||
568 | mov edx, [scr_height] |
||
569 | mov eax, 32 |
||
570 | |||
571 | sub edi, ecx |
||
572 | cmp edi, eax |
||
224 | serge | 573 | jng @F |
574 | mov edi, eax |
||
575 | @@: |
||
221 | serge | 576 | sub edi, [_dx] |
577 | |||
578 | sub edx, [y] |
||
579 | cmp edx, eax |
||
224 | serge | 580 | jng @F |
581 | mov edx, eax |
||
582 | @@: |
||
221 | serge | 583 | sub edx, [_dy] |
584 | |||
585 | mov [w], edi |
||
586 | mov [h], edx |
||
587 | mov [cur_saved_w], edi |
||
588 | mov [cur_saved_h], edx |
||
589 | |||
590 | sub eax, edi |
||
224 | serge | 591 | shl eax, 2 ;lea eax, [eax+eax*2] |
221 | serge | 592 | lea edi, [edi+edi*2] |
593 | sub ebx, edi |
||
594 | mov [cur_saved_interl], ebx |
||
595 | |||
596 | mov edi, cur_saved_data |
||
597 | @@: |
||
598 | mov ecx, [w] |
||
599 | lea ecx, [ecx+ecx*2] |
||
600 | rep movsb |
||
601 | add esi, ebx |
||
602 | dec edx |
||
603 | jnz @B |
||
604 | |||
605 | ;draw cursor |
||
606 | mov edx, eax |
||
607 | mov edi, [cur_saved_base] |
||
608 | mov eax, [_dy] |
||
609 | shl eax, 5 |
||
610 | add eax, [_dx] |
||
611 | shl eax, 2 |
||
612 | |||
613 | mov esi, [hcursor] |
||
614 | mov esi, [esi+CURSOR.base] |
||
615 | add esi, eax |
||
616 | .row: |
||
617 | mov ecx, [w] |
||
618 | .pix: |
||
619 | lodsd |
||
620 | test eax, 0xFF000000 |
||
621 | jz @F |
||
622 | |||
623 | mov word [edi], ax |
||
624 | shr eax, 16 |
||
625 | mov [edi+2],al |
||
626 | @@: |
||
627 | add edi, 3 |
||
628 | dec ecx |
||
629 | jnz .pix |
||
630 | |||
631 | add esi, edx |
||
632 | add edi, ebx |
||
633 | dec [h] |
||
634 | jnz .row |
||
635 | ret |
||
636 | endp |
||
637 | |||
638 | align 4 |
||
639 | proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
||
640 | locals |
||
641 | w dd ? |
||
642 | h dd ? |
||
643 | st dd ? |
||
644 | _dx dd ? |
||
645 | _dy dd ? |
||
646 | endl |
||
647 | |||
648 | mov esi, [hcursor] |
||
649 | mov ecx, [x] |
||
650 | mov eax, [y] |
||
651 | mov ebx, [BytesPerScanLine] |
||
652 | |||
653 | xor edx, edx |
||
654 | sub ecx, [esi+CURSOR.hot_x] |
||
655 | mov [x], ecx |
||
656 | sets dl |
||
657 | dec edx |
||
658 | and ecx, edx ;clip x to 0<=x |
||
659 | mov edi, ecx |
||
660 | sub edi, [x] |
||
661 | mov [_dx], edi |
||
662 | |||
663 | xor edx, edx |
||
664 | sub eax, [esi+CURSOR.hot_y] |
||
665 | mov [y], eax |
||
666 | sets dl |
||
667 | dec edx |
||
668 | and eax, edx ;clip y to 0<=y |
||
669 | mov edi, eax |
||
670 | sub edi, [y] |
||
671 | mov [_dy], edi |
||
672 | |||
673 | mul ebx |
||
674 | lea esi, [eax+ecx*4] |
||
675 | add esi, [LFBAddress] |
||
676 | mov [cur_saved_base],esi |
||
677 | |||
678 | mov edi, [scr_width] |
||
679 | mov edx, [scr_height] |
||
680 | mov eax, 32 |
||
681 | |||
682 | sub edi, ecx |
||
683 | cmp edi, eax |
||
224 | serge | 684 | jng @F |
685 | mov edi, eax |
||
686 | @@: |
||
221 | serge | 687 | sub edi, [_dx] |
688 | |||
689 | sub edx, [y] |
||
690 | cmp edx, eax |
||
224 | serge | 691 | jng @F |
692 | mov edx, eax |
||
693 | @@: |
||
221 | serge | 694 | sub edx, [_dy] |
695 | |||
696 | mov [w], edi |
||
697 | mov [h], edx |
||
698 | mov [cur_saved_w], edi |
||
699 | mov [cur_saved_h], edx |
||
700 | |||
701 | sub eax, edi |
||
702 | shl eax, 2 |
||
703 | shl edi, 2 |
||
704 | sub ebx, edi |
||
705 | mov [cur_saved_interl], ebx |
||
706 | |||
707 | mov edi, cur_saved_data |
||
708 | @@: |
||
709 | mov ecx, [w] |
||
710 | rep movsd |
||
711 | add esi, ebx |
||
712 | dec edx |
||
713 | jnz @B |
||
714 | |||
715 | ;draw cursor |
||
716 | mov edx, eax |
||
717 | mov edi, [cur_saved_base] |
||
718 | mov eax, [_dy] |
||
719 | shl eax, 5 |
||
720 | add eax, [_dx] |
||
721 | shl eax, 2 |
||
722 | |||
723 | mov esi, [hcursor] |
||
724 | mov esi, [esi+CURSOR.base] |
||
725 | add esi, eax |
||
726 | .row: |
||
727 | mov ecx, [w] |
||
728 | .pix: |
||
729 | lodsd |
||
730 | test eax, 0xFF000000 |
||
731 | jz @F |
||
732 | mov [edi], eax |
||
733 | @@: |
||
734 | add edi, 4 |
||
735 | dec ecx |
||
736 | jnz .pix |
||
737 | add esi, edx |
||
738 | add edi, ebx |
||
739 | dec [h] |
||
740 | jnz .row |
||
741 | ret |
||
742 | endp |
||
743 | |||
744 | align 4 |
||
745 | def_arrow: |
||
746 | file 'arrow.cur'=y |
||
747 |