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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: 996 $ |
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 | |||
864 | serge | 316 | mov edi, eax |
317 | mov ecx, 0x1000 |
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318 | mov edx, PG_SW |
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319 | call @mem_alloc@8 |
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221 | serge | 320 | test eax, eax |
864 | serge | 321 | mov [edi+CURSOR.base], eax |
221 | serge | 322 | jz .fail |
323 | |||
281 | serge | 324 | mov esi, [.src] |
325 | mov ebx, [.flags] |
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227 | serge | 326 | cmp bx, LOAD_INDIRECT |
327 | je .indirect |
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221 | serge | 328 | |
227 | serge | 329 | movzx ecx, word [esi+10] |
330 | movzx edx, word [esi+12] |
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331 | mov [edi+CURSOR.hot_x], ecx |
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332 | mov [edi+CURSOR.hot_y], edx |
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221 | serge | 333 | |
227 | serge | 334 | stdcall vesa_init_cursor, eax, esi |
281 | serge | 335 | mov eax, [.hcursor] |
221 | serge | 336 | .fail: |
281 | serge | 337 | add esp, 12 |
221 | serge | 338 | ret |
227 | serge | 339 | .indirect: |
340 | shr ebx, 16 |
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341 | movzx ecx, bh |
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342 | movzx edx, bl |
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343 | mov [eax+CURSOR.hot_x], ecx |
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344 | mov [eax+CURSOR.hot_y], edx |
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221 | serge | 345 | |
227 | serge | 346 | xchg edi, eax |
347 | mov ecx, 1024 |
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348 | cld |
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349 | rep movsd |
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281 | serge | 350 | add esp, 12 |
221 | serge | 351 | ret |
352 | |||
353 | align 4 |
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354 | proc load_cursor stdcall, src:dword, flags:dword |
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355 | locals |
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356 | handle dd ? |
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357 | endl |
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358 | |||
227 | serge | 359 | xor eax, eax |
786 | serge | 360 | cmp [create_cursor], eax |
361 | je .fail2 |
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362 | |||
227 | serge | 363 | mov [handle], eax |
364 | cmp word [flags], LOAD_FROM_FILE |
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365 | jne @F |
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221 | serge | 366 | |
367 | stdcall load_file, [src] |
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368 | test eax, eax |
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887 | serge | 369 | mov [src], eax |
662 | serge | 370 | jz .fail |
227 | serge | 371 | @@: |
662 | serge | 372 | push ebx |
373 | push esi |
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374 | push edi |
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375 | |||
281 | serge | 376 | mov eax, [CURRENT_TASK] |
377 | shl eax, 5 |
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379 | serge | 378 | mov eax, [CURRENT_TASK+eax+4] |
281 | serge | 379 | mov ebx, [src] |
380 | mov ecx, [flags] |
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381 | call [create_cursor] ;eax, ebx, ecx |
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221 | serge | 382 | mov [handle], eax |
662 | serge | 383 | |
227 | serge | 384 | cmp word [flags], LOAD_FROM_FILE |
385 | jne .exit |
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887 | serge | 386 | |
387 | mov ecx, [src] |
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388 | call @mem_free@4 |
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227 | serge | 389 | .exit: |
662 | serge | 390 | pop edi |
391 | pop esi |
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392 | pop ebx |
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393 | .fail: |
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221 | serge | 394 | mov eax, [handle] |
786 | serge | 395 | .fail2: |
221 | serge | 396 | ret |
397 | endp |
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398 | |||
399 | align 4 |
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233 | serge | 400 | proc delete_cursor stdcall, hcursor:dword |
401 | locals |
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402 | hsrv dd ? |
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403 | io_code dd ? |
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404 | input dd ? |
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405 | inp_size dd ? |
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406 | output dd ? |
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407 | out_size dd ? |
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408 | endl |
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409 | |||
410 | mov esi, [hcursor] |
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411 | cmp [esi+CURSOR.magic], 'CURS' |
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412 | jne .fail |
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281 | serge | 413 | ; cmp [esi+CURSOR.size], CURSOR_SIZE |
414 | ; jne .fail |
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233 | serge | 415 | |
416 | mov ebx, [CURRENT_TASK] |
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417 | shl ebx, 5 |
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379 | serge | 418 | mov ebx, [CURRENT_TASK+ebx+4] |
233 | serge | 419 | cmp ebx, [esi+CURSOR.pid] |
420 | jne .fail |
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421 | |||
465 | serge | 422 | mov ebx, [current_slot] |
423 | cmp esi, [ebx+APPDATA.cursor] |
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233 | serge | 424 | jne @F |
425 | mov eax, [def_cursor] |
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465 | serge | 426 | mov [ebx+APPDATA.cursor], eax |
233 | serge | 427 | @@: |
428 | mov eax, [hcursor] |
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281 | serge | 429 | call [eax+APPOBJ.destroy] |
233 | serge | 430 | .fail: |
431 | ret |
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432 | endp |
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433 | |||
281 | serge | 434 | ; param |
435 | ; eax= cursor |
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436 | |||
233 | serge | 437 | align 4 |
281 | serge | 438 | destroy_cursor: |
439 | |||
440 | push eax |
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887 | serge | 441 | mov ecx, [eax+CURSOR.base] |
442 | call @mem_free@4 |
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281 | serge | 443 | pop eax |
444 | |||
445 | call destroy_kernel_object |
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446 | ret |
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447 | |||
448 | align 4 |
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638 | serge | 449 | select_cursor: |
450 | |||
451 | ret 4 |
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452 | |||
453 | align 4 |
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221 | serge | 454 | proc init_cursors |
673 | serge | 455 | |
928 | serge | 456 | cmp [scr_mode], 0x13 |
233 | serge | 457 | jbe .fail |
458 | |||
928 | serge | 459 | test [scr_mode], 0x4000 |
673 | serge | 460 | jz .fail |
461 | |||
928 | serge | 462 | mov eax, [ScreenBPP] |
381 | serge | 463 | mov ebx, [BytesPerScanLine] |
221 | serge | 464 | cmp eax, 32 |
465 | jne @F |
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466 | sub ebx, 128 |
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467 | jmp .init |
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468 | @@: |
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469 | cmp eax, 24 |
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470 | jne .fail |
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471 | sub ebx, 96 |
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472 | .init: |
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473 | |||
846 | serge | 474 | ; stdcall load_driver, szHwMouse |
475 | ; mov [hw_cursor], eax |
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476 | ; test eax, eax |
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477 | ; jz .sw_mouse |
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227 | serge | 478 | |
846 | serge | 479 | ; stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
480 | ; mov [def_cursor], eax |
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481 | ; ret |
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227 | serge | 482 | .sw_mouse: |
483 | mov [create_cursor], vesa_cursor |
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221 | serge | 484 | |
227 | serge | 485 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
486 | mov [def_cursor], eax |
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487 | |||
928 | serge | 488 | mov ebx, [ScreenBPP] |
221 | serge | 489 | cmp ebx, 32 |
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 | |||
996 | serge | 513 | mov ebx, [cur_saved_base] |
514 | mov edx, [cur.h] |
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641 | diamond | 515 | test edx, edx |
516 | jz .ret |
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221 | serge | 517 | |
518 | mov esi, cur_saved_data |
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519 | @@: |
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996 | serge | 520 | mov edi, ebx |
521 | add ebx, [BytesPerScanLine] |
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522 | |||
523 | mov ecx, [cur.w] |
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221 | serge | 524 | lea ecx, [ecx+ecx*2] |
525 | rep movsb |
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526 | dec edx |
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527 | jnz @B |
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641 | diamond | 528 | .ret: |
221 | serge | 529 | ret |
530 | endp |
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531 | |||
532 | align 4 |
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533 | proc restore_32 stdcall, x:dword, y:dword |
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534 | |||
996 | serge | 535 | mov ebx, [cur_saved_base] |
536 | mov edx, [cur.h] |
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641 | diamond | 537 | test edx, edx |
538 | jz .ret |
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221 | serge | 539 | |
540 | mov esi, cur_saved_data |
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541 | @@: |
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996 | serge | 542 | mov edi, ebx |
543 | add ebx, [BytesPerScanLine] |
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544 | |||
545 | mov ecx, [cur.w] |
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221 | serge | 546 | rep movsd |
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 | h dd ? |
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557 | _dx dd ? |
||
558 | _dy dd ? |
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559 | endl |
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560 | |||
561 | mov esi, [hcursor] |
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562 | mov ecx, [x] |
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563 | mov eax, [y] |
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564 | mov ebx, [BytesPerScanLine] |
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565 | |||
566 | xor edx, edx |
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567 | sub ecx, [esi+CURSOR.hot_x] |
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996 | serge | 568 | lea ebx, [ecx+32-1] |
221 | serge | 569 | mov [x], ecx |
570 | sets dl |
||
571 | dec edx |
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572 | and ecx, edx ;clip x to 0<=x |
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996 | serge | 573 | mov [cur.left], ecx |
221 | serge | 574 | mov edi, ecx |
575 | sub edi, [x] |
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576 | mov [_dx], edi |
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577 | |||
578 | xor edx, edx |
||
579 | sub eax, [esi+CURSOR.hot_y] |
||
996 | serge | 580 | lea edi, [eax+32-1] |
221 | serge | 581 | mov [y], eax |
582 | sets dl |
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583 | dec edx |
||
584 | and eax, edx ;clip y to 0<=y |
||
996 | serge | 585 | mov [cur.top], eax |
586 | mov edx, eax |
||
587 | sub edx, [y] |
||
588 | mov [_dy], edx |
||
221 | serge | 589 | |
996 | serge | 590 | mul [BytesPerScanLine] |
591 | lea edx, [LFB_BASE+ecx*3] |
||
592 | add edx, eax |
||
593 | mov [cur_saved_base],edx |
||
221 | serge | 594 | |
996 | serge | 595 | cmp ebx, [Screen_Max_X] |
596 | jbe @F |
||
597 | mov ebx, [Screen_Max_X] |
||
224 | serge | 598 | @@: |
996 | serge | 599 | cmp edi, [Screen_Max_Y] |
600 | jbe @F |
||
601 | mov edi, [Screen_Max_Y] |
||
224 | serge | 602 | @@: |
996 | serge | 603 | mov [cur.right], ebx |
604 | mov [cur.bottom], edi |
||
221 | serge | 605 | |
996 | serge | 606 | sub ebx, [x] |
607 | sub edi, [y] |
||
608 | inc ebx |
||
609 | inc edi |
||
221 | serge | 610 | |
996 | serge | 611 | mov [cur.w], ebx |
612 | mov [cur.h], edi |
||
613 | mov [h], edi |
||
221 | serge | 614 | |
996 | serge | 615 | mov eax, edi |
221 | serge | 616 | mov edi, cur_saved_data |
617 | @@: |
||
996 | serge | 618 | mov esi, edx |
619 | add edx, [BytesPerScanLine] |
||
620 | mov ecx, [cur.w] |
||
221 | serge | 621 | lea ecx, [ecx+ecx*2] |
622 | rep movsb |
||
996 | serge | 623 | dec eax |
221 | serge | 624 | jnz @B |
625 | |||
626 | ;draw cursor |
||
996 | serge | 627 | mov ebx, [cur_saved_base] |
221 | serge | 628 | mov eax, [_dy] |
629 | shl eax, 5 |
||
630 | add eax, [_dx] |
||
631 | |||
632 | mov esi, [hcursor] |
||
633 | mov esi, [esi+CURSOR.base] |
||
996 | serge | 634 | lea edx, [esi+eax*4] |
221 | serge | 635 | .row: |
996 | serge | 636 | mov ecx, [cur.w] |
637 | mov esi, edx |
||
638 | mov edi, ebx |
||
639 | add edx, 32*4 |
||
640 | add ebx, [BytesPerScanLine] |
||
221 | serge | 641 | .pix: |
642 | lodsd |
||
643 | test eax, 0xFF000000 |
||
644 | jz @F |
||
645 | |||
996 | serge | 646 | mov [edi], ax |
221 | serge | 647 | shr eax, 16 |
996 | serge | 648 | mov [edi+2], al |
221 | serge | 649 | @@: |
650 | add edi, 3 |
||
651 | dec ecx |
||
652 | jnz .pix |
||
653 | |||
654 | dec [h] |
||
655 | jnz .row |
||
656 | ret |
||
657 | endp |
||
658 | |||
659 | align 4 |
||
660 | proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
||
661 | locals |
||
662 | h dd ? |
||
663 | _dx dd ? |
||
664 | _dy dd ? |
||
665 | endl |
||
666 | |||
667 | mov esi, [hcursor] |
||
668 | mov ecx, [x] |
||
669 | mov eax, [y] |
||
670 | |||
671 | xor edx, edx |
||
672 | sub ecx, [esi+CURSOR.hot_x] |
||
996 | serge | 673 | lea ebx, [ecx+32-1] |
221 | serge | 674 | mov [x], ecx |
675 | sets dl |
||
676 | dec edx |
||
677 | and ecx, edx ;clip x to 0<=x |
||
996 | serge | 678 | mov [cur.left], ecx |
221 | serge | 679 | mov edi, ecx |
680 | sub edi, [x] |
||
681 | mov [_dx], edi |
||
682 | |||
683 | xor edx, edx |
||
684 | sub eax, [esi+CURSOR.hot_y] |
||
996 | serge | 685 | lea edi, [eax+32-1] |
221 | serge | 686 | mov [y], eax |
687 | sets dl |
||
688 | dec edx |
||
689 | and eax, edx ;clip y to 0<=y |
||
996 | serge | 690 | mov [cur.top], eax |
691 | mov edx, eax |
||
692 | sub edx, [y] |
||
693 | mov [_dy], edx |
||
221 | serge | 694 | |
996 | serge | 695 | mul [BytesPerScanLine] |
696 | lea edx, [LFB_BASE+eax+ecx*4] |
||
697 | mov [cur_saved_base],edx |
||
221 | serge | 698 | |
996 | serge | 699 | cmp ebx, [Screen_Max_X] |
700 | jbe @F |
||
701 | mov ebx, [Screen_Max_X] |
||
224 | serge | 702 | @@: |
996 | serge | 703 | cmp edi, [Screen_Max_Y] |
704 | jbe @F |
||
705 | mov edi, [Screen_Max_Y] |
||
224 | serge | 706 | @@: |
996 | serge | 707 | mov [cur.right], ebx |
708 | mov [cur.bottom], edi |
||
221 | serge | 709 | |
996 | serge | 710 | sub ebx, [x] |
711 | sub edi, [y] |
||
712 | inc ebx |
||
713 | inc edi |
||
221 | serge | 714 | |
996 | serge | 715 | mov [cur.w], ebx |
716 | mov [cur.h], edi |
||
717 | mov [h], edi |
||
221 | serge | 718 | |
996 | serge | 719 | mov eax, edi |
221 | serge | 720 | mov edi, cur_saved_data |
721 | @@: |
||
996 | serge | 722 | mov esi, edx |
723 | add edx, [BytesPerScanLine] |
||
724 | mov ecx, [cur.w] |
||
221 | serge | 725 | rep movsd |
996 | serge | 726 | dec eax |
221 | serge | 727 | jnz @B |
728 | |||
729 | ;draw cursor |
||
996 | serge | 730 | mov ebx, [cur_saved_base] |
221 | serge | 731 | mov eax, [_dy] |
732 | shl eax, 5 |
||
733 | add eax, [_dx] |
||
734 | |||
735 | mov esi, [hcursor] |
||
736 | mov esi, [esi+CURSOR.base] |
||
996 | serge | 737 | lea edx, [esi+eax*4] |
221 | serge | 738 | .row: |
996 | serge | 739 | mov ecx, [cur.w] |
740 | mov esi, edx |
||
741 | mov edi, ebx |
||
742 | add edx, 32*4 |
||
743 | add ebx, [BytesPerScanLine] |
||
221 | serge | 744 | .pix: |
745 | lodsd |
||
746 | test eax, 0xFF000000 |
||
747 | jz @F |
||
748 | mov [edi], eax |
||
749 | @@: |
||
750 | add edi, 4 |
||
751 | dec ecx |
||
752 | jnz .pix |
||
996 | serge | 753 | |
221 | serge | 754 | dec [h] |
755 | jnz .row |
||
756 | ret |
||
757 | endp |
||
758 | |||
759 | align 4 |
||
760 | def_arrow: |
||
761 | file 'arrow.cur'=y |
||
762 |