Rev 1316 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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465 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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983 | diamond | 3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
465 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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221 | serge | 7 | |
593 | mikedld | 8 | $Revision: 1376 $ |
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 |
1316 | serge | 35 | proc init_cursor stdcall, dst:dword, src:dword |
221 | serge | 36 | locals |
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 | |
1316 | serge | 293 | create_cursor: |
281 | serge | 294 | .src equ esp |
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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1313 | serge | 303 | mov eax, CURSOR.sizeof |
281 | serge | 304 | call create_kernel_object |
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 | |
1316 | serge | 333 | stdcall init_cursor, eax, esi |
334 | |||
281 | serge | 335 | mov eax, [.hcursor] |
1316 | serge | 336 | lea eax, [eax+CURSOR.list_next] |
337 | lea edx, [_display.cr_list.next] |
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338 | |||
339 | pushfd |
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340 | cli |
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341 | mov ecx, [edx] |
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342 | |||
343 | mov [eax], ecx |
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344 | mov [eax+4], edx |
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345 | |||
346 | mov [ecx+4], eax |
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347 | mov [edx], eax |
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348 | popfd |
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349 | |||
350 | mov eax, [.hcursor] |
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351 | .check_hw: |
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352 | cmp [_display.init_cursor], 0 |
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353 | je .fail |
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354 | |||
355 | push eax |
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356 | call [_display.init_cursor] |
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357 | add esp, 4 |
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358 | |||
359 | mov eax, [.hcursor] |
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221 | serge | 360 | .fail: |
281 | serge | 361 | add esp, 12 |
221 | serge | 362 | ret |
227 | serge | 363 | .indirect: |
364 | shr ebx, 16 |
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365 | movzx ecx, bh |
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366 | movzx edx, bl |
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367 | mov [eax+CURSOR.hot_x], ecx |
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368 | mov [eax+CURSOR.hot_y], edx |
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221 | serge | 369 | |
227 | serge | 370 | xchg edi, eax |
371 | mov ecx, 1024 |
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372 | cld |
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373 | rep movsd |
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1316 | serge | 374 | jmp .check_hw |
221 | serge | 375 | |
376 | align 4 |
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377 | proc load_cursor stdcall, src:dword, flags:dword |
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378 | locals |
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379 | handle dd ? |
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380 | endl |
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381 | |||
227 | serge | 382 | xor eax, eax |
786 | serge | 383 | cmp [create_cursor], eax |
384 | je .fail2 |
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385 | |||
227 | serge | 386 | mov [handle], eax |
387 | cmp word [flags], LOAD_FROM_FILE |
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388 | jne @F |
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221 | serge | 389 | |
390 | stdcall load_file, [src] |
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391 | test eax, eax |
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662 | serge | 392 | jz .fail |
221 | serge | 393 | mov [src], eax |
227 | serge | 394 | @@: |
662 | serge | 395 | push ebx |
396 | push esi |
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397 | push edi |
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398 | |||
281 | serge | 399 | mov eax, [CURRENT_TASK] |
400 | shl eax, 5 |
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379 | serge | 401 | mov eax, [CURRENT_TASK+eax+4] |
281 | serge | 402 | mov ebx, [src] |
403 | mov ecx, [flags] |
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1316 | serge | 404 | call create_cursor ;eax, ebx, ecx |
221 | serge | 405 | mov [handle], eax |
662 | serge | 406 | |
227 | serge | 407 | cmp word [flags], LOAD_FROM_FILE |
408 | jne .exit |
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221 | serge | 409 | stdcall kernel_free, [src] |
227 | serge | 410 | .exit: |
662 | serge | 411 | pop edi |
412 | pop esi |
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413 | pop ebx |
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414 | .fail: |
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221 | serge | 415 | mov eax, [handle] |
786 | serge | 416 | .fail2: |
221 | serge | 417 | ret |
418 | endp |
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419 | |||
420 | align 4 |
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233 | serge | 421 | proc delete_cursor stdcall, hcursor:dword |
422 | locals |
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423 | hsrv dd ? |
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424 | io_code dd ? |
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425 | input dd ? |
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426 | inp_size dd ? |
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427 | output dd ? |
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428 | out_size dd ? |
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429 | endl |
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430 | |||
431 | mov esi, [hcursor] |
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432 | cmp [esi+CURSOR.magic], 'CURS' |
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433 | jne .fail |
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434 | |||
435 | mov ebx, [CURRENT_TASK] |
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436 | shl ebx, 5 |
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379 | serge | 437 | mov ebx, [CURRENT_TASK+ebx+4] |
233 | serge | 438 | cmp ebx, [esi+CURSOR.pid] |
439 | jne .fail |
||
440 | |||
465 | serge | 441 | mov ebx, [current_slot] |
442 | cmp esi, [ebx+APPDATA.cursor] |
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233 | serge | 443 | jne @F |
444 | mov eax, [def_cursor] |
||
465 | serge | 445 | mov [ebx+APPDATA.cursor], eax |
233 | serge | 446 | @@: |
447 | mov eax, [hcursor] |
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281 | serge | 448 | call [eax+APPOBJ.destroy] |
233 | serge | 449 | .fail: |
450 | ret |
||
451 | endp |
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452 | |||
281 | serge | 453 | ; param |
454 | ; eax= cursor |
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455 | |||
233 | serge | 456 | align 4 |
281 | serge | 457 | destroy_cursor: |
458 | |||
459 | push eax |
||
460 | stdcall kernel_free, [eax+CURSOR.base] |
||
461 | pop eax |
||
462 | |||
463 | call destroy_kernel_object |
||
464 | ret |
||
465 | |||
466 | align 4 |
||
638 | serge | 467 | select_cursor: |
1316 | serge | 468 | mov eax, [esp+4] |
469 | mov [_display.cursor], eax |
||
638 | serge | 470 | ret 4 |
471 | |||
472 | align 4 |
||
1316 | serge | 473 | proc restore_24 stdcall, x:dword, y:dword |
673 | serge | 474 | |
1316 | serge | 475 | push ebx |
233 | serge | 476 | |
1316 | serge | 477 | mov ebx, [cur_saved_base] |
478 | mov edx, [cur.h] |
||
641 | diamond | 479 | test edx, edx |
480 | jz .ret |
||
221 | serge | 481 | |
1316 | serge | 482 | push esi |
483 | push edi |
||
484 | |||
221 | serge | 485 | mov esi, cur_saved_data |
1316 | serge | 486 | mov ecx, [cur.w] |
487 | lea ecx, [ecx+ecx*2] |
||
488 | push ecx |
||
221 | serge | 489 | @@: |
1316 | serge | 490 | mov edi, ebx |
491 | add ebx, [BytesPerScanLine] |
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492 | |||
493 | mov ecx, [esp] |
||
221 | serge | 494 | rep movsb |
495 | dec edx |
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496 | jnz @B |
||
1316 | serge | 497 | |
498 | pop ecx |
||
499 | pop edi |
||
500 | pop esi |
||
641 | diamond | 501 | .ret: |
1316 | serge | 502 | pop ebx |
221 | serge | 503 | ret |
504 | endp |
||
505 | |||
506 | align 4 |
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507 | proc restore_32 stdcall, x:dword, y:dword |
||
508 | |||
1316 | serge | 509 | push ebx |
510 | |||
511 | mov ebx, [cur_saved_base] |
||
512 | mov edx, [cur.h] |
||
641 | diamond | 513 | test edx, edx |
514 | jz .ret |
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221 | serge | 515 | |
1316 | serge | 516 | push esi |
517 | push edi |
||
518 | |||
221 | serge | 519 | mov esi, cur_saved_data |
520 | @@: |
||
1316 | serge | 521 | mov edi, ebx |
522 | add ebx, [BytesPerScanLine] |
||
523 | |||
524 | mov ecx, [cur.w] |
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221 | serge | 525 | rep movsd |
526 | dec edx |
||
527 | jnz @B |
||
1316 | serge | 528 | |
529 | pop edi |
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641 | diamond | 530 | .ret: |
1316 | serge | 531 | pop esi |
532 | pop ebx |
||
221 | serge | 533 | ret |
534 | endp |
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535 | |||
536 | align 4 |
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1316 | serge | 537 | proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword |
221 | serge | 538 | locals |
539 | h dd ? |
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540 | _dx dd ? |
||
541 | _dy dd ? |
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542 | endl |
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543 | |||
544 | mov esi, [hcursor] |
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545 | mov ecx, [x] |
||
546 | mov eax, [y] |
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547 | mov ebx, [BytesPerScanLine] |
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548 | |||
549 | xor edx, edx |
||
550 | sub ecx, [esi+CURSOR.hot_x] |
||
1316 | serge | 551 | lea ebx, [ecx+32-1] |
221 | serge | 552 | mov [x], ecx |
553 | sets dl |
||
554 | dec edx |
||
555 | and ecx, edx ;clip x to 0<=x |
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1316 | serge | 556 | mov [cur.left], ecx |
221 | serge | 557 | mov edi, ecx |
558 | sub edi, [x] |
||
559 | mov [_dx], edi |
||
560 | |||
561 | xor edx, edx |
||
562 | sub eax, [esi+CURSOR.hot_y] |
||
1316 | serge | 563 | lea edi, [eax+32-1] |
221 | serge | 564 | mov [y], eax |
565 | sets dl |
||
566 | dec edx |
||
567 | and eax, edx ;clip y to 0<=y |
||
1316 | serge | 568 | mov [cur.top], eax |
569 | mov edx, eax |
||
570 | sub edx, [y] |
||
571 | mov [_dy], edx |
||
221 | serge | 572 | |
1316 | serge | 573 | mul dword [BytesPerScanLine] |
574 | lea edx, [LFB_BASE+ecx*3] |
||
575 | add edx, eax |
||
576 | mov [cur_saved_base],edx |
||
221 | serge | 577 | |
1316 | serge | 578 | cmp ebx, [Screen_Max_X] |
579 | jbe @F |
||
580 | mov ebx, [Screen_Max_X] |
||
224 | serge | 581 | @@: |
1316 | serge | 582 | cmp edi, [Screen_Max_Y] |
583 | jbe @F |
||
584 | mov edi, [Screen_Max_Y] |
||
224 | serge | 585 | @@: |
1316 | serge | 586 | mov [cur.right], ebx |
587 | mov [cur.bottom], edi |
||
221 | serge | 588 | |
1316 | serge | 589 | sub ebx, [x] |
590 | sub edi, [y] |
||
591 | inc ebx |
||
592 | inc edi |
||
221 | serge | 593 | |
1316 | serge | 594 | mov [cur.w], ebx |
595 | mov [cur.h], edi |
||
596 | mov [h], edi |
||
221 | serge | 597 | |
1316 | serge | 598 | mov eax, edi |
221 | serge | 599 | mov edi, cur_saved_data |
600 | @@: |
||
1316 | serge | 601 | mov esi, edx |
602 | add edx, [BytesPerScanLine] |
||
603 | mov ecx, [cur.w] |
||
221 | serge | 604 | lea ecx, [ecx+ecx*2] |
605 | rep movsb |
||
1316 | serge | 606 | dec eax |
221 | serge | 607 | jnz @B |
608 | |||
609 | ;draw cursor |
||
1316 | serge | 610 | mov ebx, [cur_saved_base] |
221 | serge | 611 | mov eax, [_dy] |
612 | shl eax, 5 |
||
613 | add eax, [_dx] |
||
614 | |||
615 | mov esi, [hcursor] |
||
616 | mov esi, [esi+CURSOR.base] |
||
1316 | serge | 617 | lea edx, [esi+eax*4] |
221 | serge | 618 | .row: |
1316 | serge | 619 | mov ecx, [cur.w] |
620 | mov esi, edx |
||
621 | mov edi, ebx |
||
622 | add edx, 32*4 |
||
623 | add ebx, [BytesPerScanLine] |
||
221 | serge | 624 | .pix: |
625 | lodsd |
||
626 | test eax, 0xFF000000 |
||
627 | jz @F |
||
1316 | serge | 628 | mov [edi], ax |
221 | serge | 629 | shr eax, 16 |
630 | mov [edi+2],al |
||
631 | @@: |
||
632 | add edi, 3 |
||
633 | dec ecx |
||
634 | jnz .pix |
||
635 | |||
636 | dec [h] |
||
637 | jnz .row |
||
638 | ret |
||
639 | endp |
||
640 | |||
1316 | serge | 641 | |
221 | serge | 642 | align 4 |
1316 | serge | 643 | proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
221 | serge | 644 | locals |
645 | h dd ? |
||
646 | _dx dd ? |
||
647 | _dy dd ? |
||
648 | endl |
||
649 | |||
650 | mov esi, [hcursor] |
||
651 | mov ecx, [x] |
||
652 | mov eax, [y] |
||
653 | |||
654 | xor edx, edx |
||
655 | sub ecx, [esi+CURSOR.hot_x] |
||
1316 | serge | 656 | lea ebx, [ecx+32-1] |
221 | serge | 657 | mov [x], ecx |
658 | sets dl |
||
659 | dec edx |
||
660 | and ecx, edx ;clip x to 0<=x |
||
1316 | serge | 661 | mov [cur.left], ecx |
221 | serge | 662 | mov edi, ecx |
663 | sub edi, [x] |
||
664 | mov [_dx], edi |
||
665 | |||
666 | xor edx, edx |
||
667 | sub eax, [esi+CURSOR.hot_y] |
||
1316 | serge | 668 | lea edi, [eax+32-1] |
221 | serge | 669 | mov [y], eax |
670 | sets dl |
||
671 | dec edx |
||
672 | and eax, edx ;clip y to 0<=y |
||
1316 | serge | 673 | mov [cur.top], eax |
674 | mov edx, eax |
||
675 | sub edx, [y] |
||
676 | mov [_dy], edx |
||
221 | serge | 677 | |
1316 | serge | 678 | mul dword [BytesPerScanLine] |
679 | lea edx, [LFB_BASE+eax+ecx*4] |
||
680 | mov [cur_saved_base],edx |
||
221 | serge | 681 | |
1316 | serge | 682 | cmp ebx, [Screen_Max_X] |
683 | jbe @F |
||
684 | mov ebx, [Screen_Max_X] |
||
224 | serge | 685 | @@: |
1316 | serge | 686 | cmp edi, [Screen_Max_Y] |
687 | jbe @F |
||
688 | mov edi, [Screen_Max_Y] |
||
224 | serge | 689 | @@: |
1316 | serge | 690 | mov [cur.right], ebx |
691 | mov [cur.bottom], edi |
||
221 | serge | 692 | |
1316 | serge | 693 | sub ebx, [x] |
694 | sub edi, [y] |
||
695 | inc ebx |
||
696 | inc edi |
||
221 | serge | 697 | |
1316 | serge | 698 | mov [cur.w], ebx |
699 | mov [cur.h], edi |
||
700 | mov [h], edi |
||
221 | serge | 701 | |
1316 | serge | 702 | mov eax, edi |
221 | serge | 703 | mov edi, cur_saved_data |
704 | @@: |
||
1316 | serge | 705 | mov esi, edx |
706 | add edx, [BytesPerScanLine] |
||
707 | mov ecx, [cur.w] |
||
221 | serge | 708 | rep movsd |
1316 | serge | 709 | dec eax |
221 | serge | 710 | jnz @B |
711 | |||
712 | ;draw cursor |
||
1316 | serge | 713 | mov ebx, [cur_saved_base] |
221 | serge | 714 | mov eax, [_dy] |
715 | shl eax, 5 |
||
716 | add eax, [_dx] |
||
717 | |||
718 | mov esi, [hcursor] |
||
719 | mov esi, [esi+CURSOR.base] |
||
1316 | serge | 720 | lea edx, [esi+eax*4] |
221 | serge | 721 | .row: |
1316 | serge | 722 | mov ecx, [cur.w] |
723 | mov esi, edx |
||
724 | mov edi, ebx |
||
725 | add edx, 32*4 |
||
726 | add ebx, [BytesPerScanLine] |
||
221 | serge | 727 | .pix: |
728 | lodsd |
||
729 | test eax, 0xFF000000 |
||
730 | jz @F |
||
731 | mov [edi], eax |
||
732 | @@: |
||
733 | add edi, 4 |
||
734 | dec ecx |
||
735 | jnz .pix |
||
1316 | serge | 736 | |
221 | serge | 737 | dec [h] |
738 | jnz .row |
||
739 | ret |
||
740 | endp |
||
741 | |||
1316 | serge | 742 | |
221 | serge | 743 | align 4 |
1316 | serge | 744 | get_display: |
745 | mov eax, _display |
||
746 | ret |
||
747 | |||
748 | align 4 |
||
749 | init_display: |
||
750 | |||
751 | xor eax, eax |
||
752 | mov edi, _display |
||
753 | |||
754 | mov [edi+display_t.init_cursor], eax |
||
755 | mov [edi+display_t.select_cursor], eax |
||
756 | mov [edi+display_t.show_cursor], eax |
||
757 | mov [edi+display_t.move_cursor], eax |
||
758 | mov [edi+display_t.restore_cursor], eax |
||
759 | |||
760 | lea ecx, [edi+display_t.cr_list.next] |
||
761 | mov [edi+display_t.cr_list.next], ecx |
||
762 | mov [edi+display_t.cr_list.prev], ecx |
||
763 | |||
764 | cmp [SCR_MODE],word 0x13 |
||
765 | jbe .fail |
||
766 | |||
767 | test word [SCR_MODE], 0x4000 |
||
768 | jz .fail |
||
769 | |||
770 | mov ebx, restore_32 |
||
771 | mov ecx, move_cursor_32 |
||
772 | movzx eax, byte [ScreenBPP] |
||
773 | cmp eax, 32 |
||
774 | je @F |
||
775 | |||
776 | mov ebx, restore_24 |
||
777 | mov ecx, move_cursor_24 |
||
778 | cmp eax, 24 |
||
779 | jne .fail |
||
780 | @@: |
||
781 | mov [_display.select_cursor], select_cursor |
||
782 | mov [_display.move_cursor], ecx |
||
783 | mov [_display.restore_cursor], ebx |
||
784 | |||
785 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
||
786 | mov [def_cursor], eax |
||
787 | ret |
||
788 | .fail: |
||
789 | xor eax, eax |
||
790 | mov [_display.select_cursor], eax |
||
791 | mov [_display.move_cursor], eax |
||
792 | ret |
||
793 | |||
794 | |||
795 | |||
796 | |||
797 | |||
798 | |||
799 | |||
800 | |||
801 | |||
802 | |||
803 | align 4 |
||
221 | serge | 804 | def_arrow: |
805 | file 'arrow.cur'=y |
||
806 |