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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: 662 $ |
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 |
381 | serge | 447 | cmp [SCR_MODE],word 0x13 |
233 | serge | 448 | jbe .fail |
449 | |||
221 | serge | 450 | movzx eax, byte [ScreenBPP] |
381 | serge | 451 | mov ebx, [BytesPerScanLine] |
221 | serge | 452 | cmp eax, 32 |
453 | jne @F |
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454 | sub ebx, 128 |
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455 | jmp .init |
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456 | @@: |
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457 | cmp eax, 24 |
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458 | jne .fail |
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459 | sub ebx, 96 |
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460 | .init: |
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461 | mov [cur_def_interl], ebx |
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462 | |||
346 | diamond | 463 | stdcall load_driver, szHwMouse |
233 | serge | 464 | mov [hw_cursor], eax |
227 | serge | 465 | test eax, eax |
466 | jz .sw_mouse |
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467 | |||
221 | serge | 468 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
469 | mov [def_cursor], eax |
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227 | serge | 470 | ret |
471 | .sw_mouse: |
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472 | mov [create_cursor], vesa_cursor |
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221 | serge | 473 | |
227 | serge | 474 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
475 | mov [def_cursor], eax |
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476 | |||
381 | serge | 477 | mov ecx, [ScreenWidth] |
478 | mov edx, [ScreenHeight] |
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221 | serge | 479 | inc ecx |
480 | inc edx |
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481 | mov [scr_width], ecx |
||
482 | mov [scr_height], edx |
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483 | |||
484 | movzx ebx, byte [ScreenBPP] |
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485 | cmp ebx, 32 |
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486 | jne @F |
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487 | |||
638 | serge | 488 | |
489 | mov dword [select_hw_cursor], select_cursor |
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221 | serge | 490 | mov dword [set_hw_cursor], cursor_32 |
491 | mov dword [hw_restore], restore_32 |
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492 | ret |
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493 | @@: |
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638 | serge | 494 | mov dword [select_hw_cursor], select_cursor |
221 | serge | 495 | mov dword [set_hw_cursor], cursor_24 |
496 | mov dword [hw_restore], restore_24 |
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497 | ret |
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498 | .fail: |
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499 | xor eax, eax |
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638 | serge | 500 | mov dword [select_hw_cursor], eax |
221 | serge | 501 | mov dword [set_hw_cursor], eax |
502 | mov dword [hw_restore], eax |
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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_24 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] |
||
641 | diamond | 515 | test edx, edx |
516 | jz .ret |
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221 | serge | 517 | |
518 | mov esi, cur_saved_data |
||
519 | @@: |
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520 | mov ecx, [cur_saved_w] |
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521 | lea ecx, [ecx+ecx*2] |
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522 | rep movsb |
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523 | add edi, ebx |
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524 | dec edx |
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525 | jnz @B |
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641 | diamond | 526 | .ret: |
221 | serge | 527 | ret |
528 | endp |
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529 | |||
530 | align 4 |
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531 | proc restore_32 stdcall, x:dword, y:dword |
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532 | locals |
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533 | w dd ? |
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534 | endl |
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535 | |||
536 | mov edi, [cur_saved_base] |
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537 | mov edx, [cur_saved_h] |
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538 | mov ebx, [cur_saved_interl] |
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641 | diamond | 539 | test edx, edx |
540 | jz .ret |
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221 | serge | 541 | |
542 | mov esi, cur_saved_data |
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543 | @@: |
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544 | mov ecx, [cur_saved_w] |
||
545 | rep movsd |
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546 | add edi, ebx |
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547 | dec edx |
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548 | jnz @B |
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641 | diamond | 549 | .ret: |
221 | serge | 550 | ret |
551 | endp |
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552 | |||
553 | align 4 |
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554 | proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword |
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555 | locals |
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556 | w dd ? |
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557 | h dd ? |
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558 | st dd ? |
||
559 | _dx dd ? |
||
560 | _dy dd ? |
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561 | endl |
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562 | |||
563 | mov esi, [hcursor] |
||
564 | mov ecx, [x] |
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565 | mov eax, [y] |
||
566 | mov ebx, [BytesPerScanLine] |
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567 | |||
568 | xor edx, edx |
||
569 | sub ecx, [esi+CURSOR.hot_x] |
||
570 | mov [x], ecx |
||
571 | sets dl |
||
572 | dec edx |
||
573 | and ecx, edx ;clip x to 0<=x |
||
574 | mov edi, ecx |
||
575 | sub edi, [x] |
||
576 | mov [_dx], edi |
||
577 | |||
578 | xor edx, edx |
||
579 | sub eax, [esi+CURSOR.hot_y] |
||
580 | mov [y], eax |
||
581 | sets dl |
||
582 | dec edx |
||
583 | and eax, edx ;clip y to 0<=y |
||
584 | mov edi, eax |
||
585 | sub edi, [y] |
||
586 | mov [_dy], edi |
||
587 | |||
588 | mul ebx |
||
589 | lea esi, [ecx+ecx*2] |
||
590 | add esi, [LFBAddress] |
||
591 | add esi, eax |
||
592 | mov [cur_saved_base],esi |
||
593 | |||
594 | mov edi, [scr_width] |
||
595 | mov edx, [scr_height] |
||
596 | mov eax, 32 |
||
597 | |||
598 | sub edi, ecx |
||
599 | cmp edi, eax |
||
224 | serge | 600 | jng @F |
601 | mov edi, eax |
||
602 | @@: |
||
221 | serge | 603 | sub edi, [_dx] |
604 | |||
605 | sub edx, [y] |
||
606 | cmp edx, eax |
||
224 | serge | 607 | jng @F |
608 | mov edx, eax |
||
609 | @@: |
||
221 | serge | 610 | sub edx, [_dy] |
611 | |||
612 | mov [w], edi |
||
613 | mov [h], edx |
||
614 | mov [cur_saved_w], edi |
||
615 | mov [cur_saved_h], edx |
||
616 | |||
617 | sub eax, edi |
||
224 | serge | 618 | shl eax, 2 ;lea eax, [eax+eax*2] |
221 | serge | 619 | lea edi, [edi+edi*2] |
620 | sub ebx, edi |
||
621 | mov [cur_saved_interl], ebx |
||
622 | |||
623 | mov edi, cur_saved_data |
||
624 | @@: |
||
625 | mov ecx, [w] |
||
626 | lea ecx, [ecx+ecx*2] |
||
627 | rep movsb |
||
628 | add esi, ebx |
||
629 | dec edx |
||
630 | jnz @B |
||
631 | |||
632 | ;draw cursor |
||
633 | mov edx, eax |
||
634 | mov edi, [cur_saved_base] |
||
635 | mov eax, [_dy] |
||
636 | shl eax, 5 |
||
637 | add eax, [_dx] |
||
638 | shl eax, 2 |
||
639 | |||
640 | mov esi, [hcursor] |
||
641 | mov esi, [esi+CURSOR.base] |
||
642 | add esi, eax |
||
643 | .row: |
||
644 | mov ecx, [w] |
||
645 | .pix: |
||
646 | lodsd |
||
647 | test eax, 0xFF000000 |
||
648 | jz @F |
||
649 | |||
650 | mov word [edi], ax |
||
651 | shr eax, 16 |
||
652 | mov [edi+2],al |
||
653 | @@: |
||
654 | add edi, 3 |
||
655 | dec ecx |
||
656 | jnz .pix |
||
657 | |||
658 | add esi, edx |
||
659 | add edi, ebx |
||
660 | dec [h] |
||
661 | jnz .row |
||
662 | ret |
||
663 | endp |
||
664 | |||
665 | align 4 |
||
666 | proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
||
667 | locals |
||
668 | w dd ? |
||
669 | h dd ? |
||
670 | st dd ? |
||
671 | _dx dd ? |
||
672 | _dy dd ? |
||
673 | endl |
||
674 | |||
675 | mov esi, [hcursor] |
||
676 | mov ecx, [x] |
||
677 | mov eax, [y] |
||
678 | mov ebx, [BytesPerScanLine] |
||
679 | |||
680 | xor edx, edx |
||
681 | sub ecx, [esi+CURSOR.hot_x] |
||
682 | mov [x], ecx |
||
683 | sets dl |
||
684 | dec edx |
||
685 | and ecx, edx ;clip x to 0<=x |
||
686 | mov edi, ecx |
||
687 | sub edi, [x] |
||
688 | mov [_dx], edi |
||
689 | |||
690 | xor edx, edx |
||
691 | sub eax, [esi+CURSOR.hot_y] |
||
692 | mov [y], eax |
||
693 | sets dl |
||
694 | dec edx |
||
695 | and eax, edx ;clip y to 0<=y |
||
696 | mov edi, eax |
||
697 | sub edi, [y] |
||
698 | mov [_dy], edi |
||
699 | |||
700 | mul ebx |
||
701 | lea esi, [eax+ecx*4] |
||
702 | add esi, [LFBAddress] |
||
703 | mov [cur_saved_base],esi |
||
704 | |||
705 | mov edi, [scr_width] |
||
706 | mov edx, [scr_height] |
||
707 | mov eax, 32 |
||
708 | |||
709 | sub edi, ecx |
||
710 | cmp edi, eax |
||
224 | serge | 711 | jng @F |
712 | mov edi, eax |
||
713 | @@: |
||
221 | serge | 714 | sub edi, [_dx] |
715 | |||
716 | sub edx, [y] |
||
717 | cmp edx, eax |
||
224 | serge | 718 | jng @F |
719 | mov edx, eax |
||
720 | @@: |
||
221 | serge | 721 | sub edx, [_dy] |
722 | |||
723 | mov [w], edi |
||
724 | mov [h], edx |
||
725 | mov [cur_saved_w], edi |
||
726 | mov [cur_saved_h], edx |
||
727 | |||
728 | sub eax, edi |
||
729 | shl eax, 2 |
||
730 | shl edi, 2 |
||
731 | sub ebx, edi |
||
732 | mov [cur_saved_interl], ebx |
||
733 | |||
734 | mov edi, cur_saved_data |
||
735 | @@: |
||
736 | mov ecx, [w] |
||
737 | rep movsd |
||
738 | add esi, ebx |
||
739 | dec edx |
||
740 | jnz @B |
||
741 | |||
742 | ;draw cursor |
||
743 | mov edx, eax |
||
744 | mov edi, [cur_saved_base] |
||
745 | mov eax, [_dy] |
||
746 | shl eax, 5 |
||
747 | add eax, [_dx] |
||
748 | shl eax, 2 |
||
749 | |||
750 | mov esi, [hcursor] |
||
751 | mov esi, [esi+CURSOR.base] |
||
752 | add esi, eax |
||
753 | .row: |
||
754 | mov ecx, [w] |
||
755 | .pix: |
||
756 | lodsd |
||
757 | test eax, 0xFF000000 |
||
758 | jz @F |
||
759 | mov [edi], eax |
||
760 | @@: |
||
761 | add edi, 4 |
||
762 | dec ecx |
||
763 | jnz .pix |
||
764 | add esi, edx |
||
765 | add edi, ebx |
||
766 | dec [h] |
||
767 | jnz .row |
||
768 | ret |
||
769 | endp |
||
770 | |||
771 | align 4 |
||
772 | def_arrow: |
||
773 | file 'arrow.cur'=y |
||
774 |