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Rev | Author | Line No. | Line |
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1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; VESA20.INC ;; |
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4 | ;; ;; |
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5 | ;; Vesa 2.0 functions for MenuetOS ;; |
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6 | ;; ;; |
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7 | ;; Copyright 2002 Ville Turjanmaa ;; |
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8 | ;; Alexey, kgaz@crosswindws.net ;; |
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9 | ;; - Voodoo compatible graphics ;; |
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10 | ;; Juan M. Caravaca ;; |
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11 | ;; - Graphics optimimizations eg. drawline ;; |
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12 | ;; ;; |
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13 | ;; See file COPYING for details ;; |
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14 | ;; ;; |
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15 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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16 | |||
17 | ; If you're planning to write your own video driver I suggest |
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18 | ; you replace the VESA12.INC file and see those instructions. |
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19 | |||
20 | ScreenWidth equ 0xfe00 |
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21 | ScreenHeight equ 0xfe04 |
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22 | BytesPerScanLine equ 0xfe08 |
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23 | LFBAddress equ 0xfe80 |
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24 | ScreenBPP equ 0xfbf1 |
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25 | WinMapAddress equ 0x460000 |
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26 | |||
27 | |||
28 | |||
29 | ;************************************************* |
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30 | ; getpixel |
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31 | ; |
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32 | ; in: |
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33 | ; eax = x coordinate |
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34 | ; ebx = y coordinate |
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35 | ; |
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36 | ; ret: |
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37 | ; ecx = 00 RR GG BB |
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38 | |||
39 | getpixel: |
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40 | push eax ebx edx edi |
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41 | call dword [0xe024] |
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42 | pop edi edx ebx eax |
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43 | ret |
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44 | |||
45 | Vesa20_getpixel24: |
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46 | ; eax = x |
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47 | ; ebx = y |
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48 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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49 | lea edi, [eax+eax*2] ; edi = x*3 |
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50 | add edi, ebx ; edi = x*3+(y*y multiplier) |
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51 | add edi, [LFBAddress] ; ebx = where pixel is in memory |
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52 | mov ecx, [edi] |
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53 | and ecx, 0xffffff |
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54 | ret |
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55 | |||
56 | |||
57 | Vesa20_getpixel32: |
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58 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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59 | lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier) |
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60 | add edi, [LFBAddress] ; ebx = where pixel is in memory |
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61 | mov ecx, [edi] |
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62 | and ecx, 0xffffff |
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63 | ret |
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64 | |||
65 | ;************************************************* |
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66 | |||
67 | virtual at esp |
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68 | putimg: |
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69 | .real_sx dd ? |
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70 | .real_sy dd ? |
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71 | .image_sx dd ? |
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72 | .image_sy dd ? |
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73 | .image_cx dd ? |
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74 | .image_cy dd ? |
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75 | .pti dd ? |
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76 | .abs_cx dd ? |
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77 | .abs_cy dd ? |
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78 | .line_increment dd ? |
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79 | .winmap_newline dd ? |
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80 | .screen_newline dd ? |
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283 | diamond | 81 | .stack_data = 4*12 |
82 | .edi dd ? |
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83 | .esi dd ? |
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84 | .ebp dd ? |
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314 | diamond | 85 | .esp dd ? |
86 | .ebx dd ? |
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87 | .edx dd ? |
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88 | .ecx dd ? |
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89 | .eax dd ? |
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90 | .ret_addr dd ? |
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91 | .arg_0 dd ? |
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1 | ha | 92 | end virtual |
93 | |||
283 | diamond | 94 | align 16 |
1 | ha | 95 | ; ebx = pointer |
96 | ; ecx = size [x|y] |
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97 | ; edx = coordinates [x|y] |
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283 | diamond | 98 | ; ebp = pointer to 'get' function |
99 | ; esi = pointer to 'init' function |
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100 | ; edi = parameter for 'get' function |
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1 | ha | 101 | vesa20_putimage: |
102 | pushad |
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103 | call [disable_mouse] |
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104 | |||
105 | sub esp, putimg.stack_data |
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106 | |||
107 | ; save pointer to image |
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108 | mov [putimg.pti], ebx |
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109 | |||
110 | ; unpack the size |
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111 | mov eax, ecx |
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112 | and ecx, 0xFFFF |
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113 | shr eax, 16 |
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114 | mov [putimg.image_sx], eax |
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115 | mov [putimg.image_sy], ecx |
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116 | |||
117 | ; unpack the coordinates |
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118 | mov eax, edx |
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119 | and edx, 0xFFFF |
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120 | shr eax, 16 |
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121 | mov [putimg.image_cx], eax |
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122 | mov [putimg.image_cy], edx |
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123 | |||
124 | ; calculate absolute (i.e. screen) coordinates |
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125 | mov eax, [0x3010] |
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115 | poddubny | 126 | mov ebx, [eax-twdw + WDATA.box.left] |
1 | ha | 127 | add ebx, [putimg.image_cx] |
128 | mov [putimg.abs_cx], ebx |
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115 | poddubny | 129 | mov ebx, [eax-twdw + WDATA.box.top] |
1 | ha | 130 | add ebx, [putimg.image_cy] |
131 | mov [putimg.abs_cy], ebx |
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132 | |||
133 | ; real_sx = MIN(wnd_sx-image_cx, image_sx); |
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115 | poddubny | 134 | mov ebx, [eax-twdw + WDATA.box.width] ; ebx = wnd_sx |
133 | diamond | 135 | ; \begin{diamond}[20.08.2006] |
136 | ; note that WDATA.box.width is one pixel less than real window x-size |
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137 | inc ebx |
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138 | ; \end{diamond}[20.08.2006] |
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1 | ha | 139 | sub ebx, [putimg.image_cx] |
140 | ja @f |
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141 | add esp, putimg.stack_data |
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142 | popad |
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143 | ret |
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144 | @@: |
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145 | cmp ebx, [putimg.image_sx] |
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146 | jbe .end_x |
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147 | mov ebx, [putimg.image_sx] |
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148 | .end_x: |
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149 | mov [putimg.real_sx], ebx |
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150 | |||
151 | ; init real_sy |
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115 | poddubny | 152 | mov ebx, [eax-twdw + WDATA.box.height] ; ebx = wnd_sy |
133 | diamond | 153 | ; \begin{diamond}[20.08.2006] |
154 | inc ebx |
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155 | ; \end{diamond}[20.08.2006] |
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1 | ha | 156 | sub ebx, [putimg.image_cy] |
157 | ja @f |
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158 | add esp, putimg.stack_data |
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159 | popad |
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160 | ret |
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161 | @@: |
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162 | cmp ebx, [putimg.image_sy] |
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163 | jbe .end_y |
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164 | mov ebx, [putimg.image_sy] |
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165 | .end_y: |
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166 | mov [putimg.real_sy], ebx |
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167 | |||
168 | ; line increment |
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169 | mov eax, [putimg.image_sx] |
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170 | sub eax, [putimg.real_sx] |
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171 | ;; imul eax, [putimg.source_bpp] |
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283 | diamond | 172 | ; lea eax, [eax + eax * 2] |
173 | call esi |
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314 | diamond | 174 | add eax, [putimg.arg_0] |
1 | ha | 175 | mov [putimg.line_increment], eax |
176 | |||
177 | ; winmap new line increment |
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178 | mov eax, [ScreenWidth] |
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179 | inc eax |
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180 | sub eax, [putimg.real_sx] |
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181 | mov [putimg.winmap_newline], eax |
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182 | |||
183 | ; screen new line increment |
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184 | mov eax, [BytesPerScanLine] |
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185 | mov ecx, [putimg.real_sx] |
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186 | movzx ebx, byte [ScreenBPP] |
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187 | shr ebx, 3 |
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188 | imul ecx, ebx |
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189 | sub eax, ecx |
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190 | mov [putimg.screen_newline], eax |
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191 | |||
192 | ; pointer to image |
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283 | diamond | 193 | mov esi, [putimg.pti] |
1 | ha | 194 | |
195 | ; pointer to screen |
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196 | mov edx, [putimg.abs_cy] |
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197 | imul edx, [BytesPerScanLine] |
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198 | mov eax, [putimg.abs_cx] |
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199 | movzx ebx, byte [ScreenBPP] |
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200 | shr ebx, 3 |
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201 | imul eax, ebx |
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202 | add edx, eax |
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203 | add edx, [LFBAddress] |
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204 | |||
205 | ; pointer to pixel map |
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206 | mov eax, [putimg.abs_cy] |
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207 | imul eax, [ScreenWidth] |
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208 | add eax, [putimg.abs_cy] |
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209 | add eax, [putimg.abs_cx] |
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210 | add eax, WinMapAddress |
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211 | xchg eax, ebp |
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212 | |||
213 | ; get process number |
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102 | poddubny | 214 | mov ebx, [0x3000] |
1 | ha | 215 | |
216 | cmp byte [ScreenBPP], 32 |
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217 | je put_image_end_32 |
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218 | |||
219 | ;put_image_end_24: |
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220 | mov edi, [putimg.real_sy] |
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221 | align 4 |
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222 | .new_line: |
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283 | diamond | 223 | mov ecx, [putimg.real_sx] |
1 | ha | 224 | |
225 | ; push ebp edx |
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226 | align 4 |
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227 | .new_x: |
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228 | |||
283 | diamond | 229 | push [putimg.edi] |
230 | mov eax, [putimg.ebp+4] |
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231 | call eax |
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1 | ha | 232 | cmp [ebp], bl |
233 | jne .skip |
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283 | diamond | 234 | ; mov eax, [esi] ; eax = RRBBGGRR |
1 | ha | 235 | mov [edx], ax |
236 | shr eax, 16 |
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237 | mov [edx+2], al |
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238 | .skip: |
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239 | |||
283 | diamond | 240 | ; add esi, 3 ;[putimg.source_bpp] |
1 | ha | 241 | add edx, 3 |
242 | inc ebp |
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243 | |||
283 | diamond | 244 | dec ecx |
1 | ha | 245 | jnz .new_x |
246 | ; pop edx ebp |
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247 | |||
283 | diamond | 248 | add esi, [putimg.line_increment] |
1 | ha | 249 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
250 | add ebp, [putimg.winmap_newline] ;[ScreenWidth] |
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251 | ;inc ebp |
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252 | |||
253 | dec edi |
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254 | jnz .new_line |
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255 | .finish: |
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256 | add esp, putimg.stack_data |
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257 | popad |
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258 | ret |
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259 | |||
260 | put_image_end_32: |
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261 | mov edi, [putimg.real_sy] |
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262 | align 4 |
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263 | .new_line: |
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283 | diamond | 264 | mov ecx, [putimg.real_sx] |
1 | ha | 265 | |
266 | ; push ebp edx |
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267 | align 4 |
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268 | .new_x: |
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269 | |||
283 | diamond | 270 | push [putimg.edi] |
271 | mov eax, [putimg.ebp+4] |
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272 | call eax |
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1 | ha | 273 | cmp [ebp], bl |
274 | jne .skip |
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283 | diamond | 275 | ; mov eax, [esi] ; ecx = RRBBGGRR |
1 | ha | 276 | mov [edx], eax |
277 | .skip: |
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278 | |||
283 | diamond | 279 | ; add esi, [putimg.source_bpp] |
1 | ha | 280 | add edx, 4 |
281 | inc ebp |
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282 | |||
283 | diamond | 283 | dec ecx |
1 | ha | 284 | jnz .new_x |
285 | ; pop edx ebp |
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286 | |||
283 | diamond | 287 | add esi, [putimg.line_increment] |
1 | ha | 288 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
289 | add ebp, [putimg.winmap_newline] ;[ScreenWidth] |
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290 | ;inc ebp |
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291 | |||
292 | dec edi |
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293 | jnz .new_line |
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294 | .finish: |
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295 | add esp, putimg.stack_data |
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296 | popad |
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117 | mario79 | 297 | call VGA__putimage |
298 | mov [EGA_counter],1 |
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1 | ha | 299 | ret |
300 | |||
301 | |||
302 | ;************************************************* |
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303 | align 4 |
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304 | __sys_putpixel: |
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305 | |||
306 | ; eax = x coordinate |
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307 | ; ebx = y coordinate |
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308 | ; ecx = ?? RR GG BB ; 0x01000000 negation |
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309 | ; edi = 0x00000001 force |
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310 | |||
311 | ;;; mov [novesachecksum], dword 0 |
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312 | |||
313 | pushad |
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314 | test edi,1 ; force ? |
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315 | jnz .forced |
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316 | ; not forced: |
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52 | mikedld | 317 | push ecx ; save 24th bit in case negative pixel wanted |
1 | ha | 318 | call checkpixel |
319 | test ecx,ecx |
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52 | mikedld | 320 | pop ecx |
1 | ha | 321 | jnz .exit |
322 | .forced: |
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323 | cmp [ScreenWidth], eax |
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324 | jb .exit |
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325 | cmp [ScreenHeight], ebx |
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326 | jb .exit |
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327 | .ok: |
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328 | ; check if negation |
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329 | test ecx,0x01000000 |
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330 | jz .noneg |
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331 | call getpixel |
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332 | not ecx |
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333 | mov [esp+32-8],ecx |
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334 | .noneg: |
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335 | ; OK to set pixel |
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336 | call dword [0xe020] ; call the real put_pixel function |
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337 | .exit: |
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338 | popad |
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33 | mario79 | 339 | |
1 | ha | 340 | ret |
341 | |||
342 | align 4 |
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343 | Vesa20_putpixel24: |
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344 | |||
345 | ; eax = x |
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346 | ; ebx = y |
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347 | |||
348 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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349 | lea edi, [eax+eax*2] ; edi = x*3 |
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350 | mov eax, [esp+32-8+4] |
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351 | add edi, [LFBAddress] |
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352 | add edi, ebx ; ebx = where to put pixel in memory |
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353 | mov [edi], ax |
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354 | shr eax, 16 |
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355 | mov [edi+2], al |
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356 | |||
357 | ret |
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358 | |||
359 | |||
360 | align 4 |
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361 | Vesa20_putpixel32: |
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362 | |||
363 | ; eax = x |
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364 | ; ebx = y |
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365 | |||
366 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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367 | lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier) |
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368 | mov eax, [esp+32-8+4] ; eax = color |
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369 | add edi, [LFBAddress] ; ebx = where to put pixel in memory |
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370 | mov [edi], eax |
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371 | |||
372 | ret |
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373 | |||
374 | |||
375 | ;************************************************* |
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376 | |||
377 | ;align 4 |
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378 | calculate_edi: |
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379 | mov edi, ebx |
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380 | imul edi, [ScreenWidth] |
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381 | add edi, ebx |
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382 | add edi, eax |
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383 | ret |
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384 | |||
385 | ;************************************************* |
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386 | |||
387 | ; DRAWLINE |
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388 | |||
389 | align 4 |
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390 | __sys_draw_line: |
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36 | mario79 | 391 | ; inc [mouse_pause] |
1 | ha | 392 | call [disable_mouse] |
393 | |||
394 | ; draw a line |
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395 | ; eax = HIWORD = x1 |
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396 | ; LOWORD = x2 |
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397 | ; ebx = HIWORD = y1 |
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398 | ; LOWORD = y2 |
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399 | ; ecx = color |
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400 | ; edi = force ? |
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401 | pusha |
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402 | |||
403 | dl_x1 equ esp+20 |
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404 | dl_y1 equ esp+16 |
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405 | dl_x2 equ esp+12 |
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406 | dl_y2 equ esp+8 |
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407 | dl_dx equ esp+4 |
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408 | dl_dy equ esp+0 |
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409 | |||
410 | xor edx, edx ; clear edx |
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411 | xor esi, esi ; unpack arguments |
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412 | xor ebp, ebp |
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413 | mov si, ax ; esi = x2 |
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414 | mov bp, bx ; ebp = y2 |
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415 | shr eax, 16 ; eax = x1 |
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416 | shr ebx, 16 ; ebx = y1 |
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417 | |||
418 | push eax ; save x1 |
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419 | push ebx ; save y1 |
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420 | push esi ; save x2 |
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421 | push ebp ; save y2 |
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422 | |||
423 | ; checking x-axis... |
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424 | sub esi, eax ; esi = x2-x1 |
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425 | push esi ; save y2-y1 |
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426 | jl .x2lx1 ; is x2 less than x1 ? |
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427 | jg .no_vline ; x1 > x2 ? |
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428 | mov edx, ebp ; else (if x1=x2) |
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429 | call vline |
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430 | push edx ; necessary to rightly restore stack frame at .exit |
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431 | jmp .exit |
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432 | .x2lx1: |
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433 | neg esi ; get esi absolute value |
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434 | .no_vline: |
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435 | |||
436 | ; checking y-axis... |
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437 | sub ebp, ebx ; ebp = y2-y1 |
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438 | push ebp ; save y2-y1 |
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439 | jl .y2ly1 ; is y2 less than y1 ? |
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440 | jg .no_hline ; y1 > y2 ? |
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441 | mov edx, [dl_x2] ; else (if y1=y2) |
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442 | call hline |
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443 | jmp .exit |
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444 | .y2ly1: |
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445 | neg ebp ; get ebp absolute value |
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446 | .no_hline: |
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447 | |||
448 | |||
449 | cmp ebp, esi |
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450 | jle .x_rules ; |y2-y1| < |x2-x1| ? |
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451 | |||
452 | cmp [dl_y2], ebx ; make sure y1 is at the begining |
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453 | jge .no_reverse1 |
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454 | |||
455 | neg dword [dl_dx] |
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456 | mov edx, [dl_x2] |
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457 | mov [dl_x2], eax |
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458 | mov [dl_x1], edx |
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459 | mov edx, [dl_y2] |
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460 | mov [dl_y2], ebx |
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461 | mov [dl_y1], edx |
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462 | |||
463 | .no_reverse1: |
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464 | |||
465 | mov eax, [dl_dx] |
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466 | cdq ; extend eax sing to edx |
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467 | shl eax, 16 ; using 16bit fix-point maths |
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468 | idiv ebp ; eax = ((x2-x1)*65536)/(y2-y1) |
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469 | mov edx, ebp ; edx = counter (number of pixels to draw) |
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470 | mov ebp, 1 *65536 ; <<16 ; ebp = dy = 1.0 |
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471 | mov esi, eax ; esi = dx |
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472 | |||
473 | jmp .y_rules |
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474 | .x_rules: |
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475 | |||
476 | cmp [dl_x2], eax ; make sure x1 is at the begining |
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477 | jge .no_reverse2 |
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478 | |||
479 | neg dword [dl_dy] |
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480 | mov edx, [dl_x2] |
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481 | mov [dl_x2], eax |
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482 | mov [dl_x1], edx |
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483 | mov edx, [dl_y2] |
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484 | mov [dl_y2], ebx |
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485 | mov [dl_y1], edx |
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486 | |||
487 | .no_reverse2: |
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488 | |||
489 | xor edx, edx |
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490 | mov eax, [dl_dy] |
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491 | cdq ; extend eax sing to edx |
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492 | shl eax, 16 ; using 16bit fix-point maths |
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493 | idiv esi ; eax = ((y2-y1)*65536)/(x2-x1) |
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494 | mov edx, esi ; edx = counter (number of pixels to draw) |
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495 | mov esi, 1 *65536 ;<< 16 ; esi = dx = 1.0 |
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496 | mov ebp, eax ; ebp = dy |
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497 | |||
498 | .y_rules: |
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499 | |||
500 | mov eax, [dl_x1] |
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501 | mov ebx, [dl_y1] |
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502 | shl eax, 16 |
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503 | shl ebx, 16 |
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504 | |||
505 | align 4 |
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506 | |||
507 | .draw: |
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508 | push eax ebx |
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509 | shr eax, 16 |
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510 | shr ebx, 16 |
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511 | call [putpixel] |
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512 | pop ebx eax |
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513 | |||
514 | add ebx, ebp ; y = y+dy |
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515 | add eax, esi ; x = x+dx |
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516 | |||
517 | dec edx |
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518 | jnz .draw |
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519 | |||
520 | ; force last drawn pixel to be at (x2,y2) |
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521 | mov eax, [dl_x2] |
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522 | mov ebx, [dl_y2] |
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523 | call [putpixel] |
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524 | .exit: |
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525 | add esp, 6*4 |
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526 | popa |
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36 | mario79 | 527 | ; dec [mouse_pause] |
528 | call [draw_pointer] |
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1 | ha | 529 | ret |
530 | |||
531 | |||
532 | hline: |
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533 | ; draw an horizontal line |
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534 | ; eax = x1 |
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535 | ; edx = x2 |
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536 | ; ebx = y |
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537 | ; ecx = color |
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538 | ; edi = force ? |
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539 | push eax edx |
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540 | |||
541 | cmp edx, eax ; make sure x2 is above x1 |
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542 | jge @f |
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543 | xchg eax, edx |
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544 | align 4 |
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545 | @@: |
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546 | call [putpixel] |
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547 | inc eax |
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548 | cmp eax, edx |
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549 | jle @b |
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550 | |||
551 | pop edx eax |
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552 | ret |
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553 | |||
554 | |||
555 | vline: |
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556 | ; draw a vertical line |
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557 | ; eax = x |
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558 | ; ebx = y1 |
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559 | ; edx = y2 |
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560 | ; ecx = color |
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561 | ; edi = force ? |
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562 | push ebx edx |
||
563 | |||
564 | cmp edx, ebx ; make sure y2 is above y1 |
||
565 | jge @f |
||
566 | xchg ebx, edx |
||
567 | align 4 |
||
568 | @@: |
||
569 | call [putpixel] |
||
570 | inc ebx |
||
571 | cmp ebx, edx |
||
572 | jle @b |
||
573 | |||
574 | pop edx ebx |
||
575 | ret |
||
576 | |||
577 | |||
578 | ;************************************************* |
||
579 | |||
580 | |||
581 | virtual at esp |
||
582 | drbar: |
||
583 | .bar_sx dd ? |
||
584 | .bar_sy dd ? |
||
585 | .bar_cx dd ? |
||
586 | .bar_cy dd ? |
||
587 | .abs_cx dd ? |
||
588 | .abs_cy dd ? |
||
589 | .real_sx dd ? |
||
590 | .real_sy dd ? |
||
591 | .color dd ? |
||
592 | .line_inc_scr dd ? |
||
593 | .line_inc_map dd ? |
||
594 | .stack_data = 4*11 |
||
595 | end virtual |
||
596 | |||
597 | align 4 |
||
598 | ; eax cx |
||
599 | ; ebx cy |
||
600 | ; ecx xe |
||
601 | ; edx ye |
||
602 | ; edi color |
||
603 | vesa20_drawbar: |
||
33 | mario79 | 604 | |
1 | ha | 605 | pushad |
606 | call [disable_mouse] |
||
607 | |||
608 | sub esp, drbar.stack_data |
||
609 | |||
610 | mov [drbar.color], edi |
||
611 | |||
612 | sub edx, ebx |
||
41 | mikedld | 613 | jle .exit ;// mike.dld, 2005-01-29 |
1 | ha | 614 | sub ecx, eax |
41 | mikedld | 615 | jle .exit ;// mike.dld, 2005-01-29 |
1 | ha | 616 | mov [drbar.bar_sy], edx |
617 | mov [drbar.bar_sx], ecx |
||
618 | |||
619 | mov [drbar.bar_cx], eax |
||
620 | mov [drbar.bar_cy], ebx |
||
621 | |||
622 | mov edi, [0x3010] |
||
115 | poddubny | 623 | add eax, [edi-twdw + WDATA.box.left] ; win_cx |
624 | add ebx, [edi-twdw + WDATA.box.top] ; win_cy |
||
1 | ha | 625 | mov [drbar.abs_cx], eax |
626 | mov [drbar.abs_cy], ebx |
||
627 | |||
628 | ; real_sx = MIN(wnd_sx-bar_cx, bar_sx); |
||
115 | poddubny | 629 | mov ebx, [edi-twdw + WDATA.box.width] ; ebx = wnd_sx |
133 | diamond | 630 | ; \begin{diamond}[20.08.2006] |
631 | ; note that WDATA.box.width is one pixel less than real window x-size |
||
632 | inc ebx |
||
633 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 634 | sub ebx, [drbar.bar_cx] |
635 | ja @f |
||
41 | mikedld | 636 | .exit: ;// mike.dld, 2005-01-29 |
1 | ha | 637 | add esp, drbar.stack_data |
638 | popad |
||
639 | xor eax, eax |
||
640 | inc eax |
||
33 | mario79 | 641 | |
1 | ha | 642 | ret |
643 | @@: |
||
644 | cmp ebx, [drbar.bar_sx] |
||
645 | jbe .end_x |
||
646 | mov ebx, [drbar.bar_sx] |
||
647 | .end_x: |
||
648 | mov [drbar.real_sx], ebx |
||
649 | |||
650 | ; real_sy = MIN(wnd_sy-bar_cy, bar_sy); |
||
115 | poddubny | 651 | mov ebx, [edi-twdw + WDATA.box.height] ; ebx = wnd_sy |
133 | diamond | 652 | ; \begin{diamond}[20.08.2006] |
653 | inc ebx |
||
654 | ; \end{diamond} |
||
1 | ha | 655 | sub ebx, [drbar.bar_cy] |
656 | ja @f |
||
657 | add esp, drbar.stack_data |
||
658 | popad |
||
659 | xor eax, eax |
||
660 | inc eax |
||
33 | mario79 | 661 | |
1 | ha | 662 | ret |
663 | @@: |
||
664 | cmp ebx, [drbar.bar_sy] |
||
665 | jbe .end_y |
||
666 | mov ebx, [drbar.bar_sy] |
||
667 | .end_y: |
||
668 | mov [drbar.real_sy], ebx |
||
669 | |||
670 | ; line_inc_map |
||
671 | mov eax, [ScreenWidth] |
||
672 | sub eax, [drbar.real_sx] |
||
673 | inc eax |
||
674 | mov [drbar.line_inc_map], eax |
||
675 | |||
676 | ; line_inc_scr |
||
677 | mov eax, [drbar.real_sx] |
||
678 | movzx ebx, byte [ScreenBPP] |
||
679 | shr ebx, 3 |
||
680 | imul eax, ebx |
||
681 | neg eax |
||
682 | add eax, [BytesPerScanLine] |
||
683 | mov [drbar.line_inc_scr], eax |
||
684 | |||
685 | ; pointer to screen |
||
686 | mov edx, [drbar.abs_cy] |
||
687 | imul edx, [BytesPerScanLine] |
||
688 | mov eax, [drbar.abs_cx] |
||
689 | ; movzx ebx, byte [ScreenBPP] |
||
690 | ; shr ebx, 3 |
||
691 | imul eax, ebx |
||
692 | add edx, eax |
||
693 | add edx, [LFBAddress] |
||
694 | |||
695 | ; pointer to pixel map |
||
696 | mov eax, [drbar.abs_cy] |
||
697 | imul eax, [ScreenWidth] |
||
698 | add eax, [drbar.abs_cy] |
||
699 | add eax, [drbar.abs_cx] |
||
700 | add eax, WinMapAddress |
||
701 | xchg eax, ebp |
||
702 | |||
703 | ; get process number |
||
102 | poddubny | 704 | mov ebx, [0x3000] |
1 | ha | 705 | |
706 | cmp byte [ScreenBPP], 24 |
||
707 | jne draw_bar_end_32 |
||
708 | draw_bar_end_24: |
||
709 | mov eax, [drbar.color] ;; BBGGRR00 |
||
710 | mov bh, al ;; bh = BB |
||
711 | shr eax, 8 ;; eax = RRGG |
||
712 | ; eax - color high RRGG |
||
713 | ; bl - process num |
||
714 | ; bh - color low BB |
||
715 | ; ecx - temp |
||
716 | ; edx - pointer to screen |
||
717 | ; esi - counter |
||
718 | ; edi - counter |
||
719 | |||
720 | mov esi, [drbar.real_sy] |
||
721 | align 4 |
||
722 | .new_y: |
||
723 | mov edi, [drbar.real_sx] |
||
724 | align 4 |
||
725 | .new_x: |
||
726 | |||
727 | cmp byte [ebp], bl |
||
728 | jne .skip |
||
729 | mov [edx], bh |
||
730 | mov [edx + 1], ax |
||
731 | .skip: |
||
732 | |||
733 | ; add pixel |
||
734 | add edx, 3 |
||
735 | inc ebp |
||
736 | |||
737 | dec edi |
||
738 | jnz .new_x |
||
739 | |||
740 | ; add line |
||
741 | add edx, [drbar.line_inc_scr] |
||
742 | add ebp, [drbar.line_inc_map] |
||
743 | |||
744 | ; |
||
745 | test eax, 0x00800000 |
||
746 | jz @f |
||
747 | test bh, bh |
||
748 | jz @f |
||
749 | dec bh |
||
750 | @@: |
||
751 | ; |
||
752 | |||
753 | dec esi |
||
754 | jnz .new_y |
||
755 | |||
756 | add esp, drbar.stack_data |
||
757 | popad |
||
758 | xor eax, eax |
||
759 | ret |
||
760 | |||
761 | draw_bar_end_32: |
||
762 | mov eax, [drbar.color] ;; BBGGRR00 |
||
763 | |||
764 | mov esi, [drbar.real_sy] |
||
765 | align 4 |
||
766 | .new_y: |
||
767 | mov edi, [drbar.real_sx] |
||
768 | align 4 |
||
769 | .new_x: |
||
770 | |||
771 | cmp byte [ebp], bl |
||
772 | jne .skip |
||
773 | mov [edx], eax |
||
774 | .skip: |
||
775 | |||
776 | ; add pixel |
||
777 | add edx, 4 |
||
778 | inc ebp |
||
779 | |||
780 | dec edi |
||
781 | jnz .new_x |
||
782 | |||
783 | ; add line |
||
784 | add edx, [drbar.line_inc_scr] |
||
785 | add ebp, [drbar.line_inc_map] |
||
786 | |||
787 | ; |
||
788 | test eax, 0x80000000 |
||
789 | jz @f |
||
790 | test al, al |
||
791 | jz @f |
||
792 | dec al |
||
793 | @@: |
||
794 | ; |
||
795 | |||
796 | dec esi |
||
797 | jnz .new_y |
||
798 | |||
799 | add esp, drbar.stack_data |
||
800 | popad |
||
117 | mario79 | 801 | call VGA_draw_bar |
1 | ha | 802 | xor eax, eax |
117 | mario79 | 803 | mov [EGA_counter],1 |
1 | ha | 804 | ret |
805 | |||
806 | |||
807 | ;voodoodbcplimit: |
||
808 | |||
809 | ; ebp:=(y+Ywin)*(ScreenXSize+1)+(x+Xwin)+AddrBuffer |
||
810 | |||
811 | |||
812 | ; pusha |
||
813 | |||
814 | ; xor edx,edx |
||
815 | ; mov eax,ebp |
||
816 | ; mov ebx,[ScreenWidth] ; Screen_X_size |
||
817 | ; inc ebx ; +1 |
||
818 | ; sub eax,WinMapAddress ; -AddrBuffer |
||
819 | ; div ebx ; |
||
820 | ; mov ebx,eax ; ebx:=Y |
||
821 | ; mov eax,edx ; eax:=X |
||
822 | ; call cplimit |
||
823 | |||
824 | ; test ecx,ecx |
||
825 | ; jne dbcpl12 |
||
826 | ; popa |
||
827 | ; clc |
||
828 | ; ret |
||
829 | ; dbcpl12: |
||
830 | ; popa |
||
831 | ; stc |
||
832 | ; ret |
||
833 | |||
834 | |||
835 | |||
836 | |||
837 | ;dbcplimit: |
||
838 | |||
839 | ; pusha |
||
840 | |||
841 | ; xor edx,edx |
||
842 | ; mov ebx,[ScreenWidth] |
||
843 | ; inc ebx |
||
844 | ; sub eax,WinMapAddress |
||
845 | ; div ebx |
||
846 | ; mov ebx,eax |
||
847 | ; mov eax,edx |
||
848 | ; call cplimit |
||
849 | |||
850 | ; test ecx,ecx |
||
851 | ; jne dbcpl1 |
||
852 | ; popa |
||
853 | ; clc |
||
854 | ; ret |
||
855 | ; dbcpl1: |
||
856 | ; popa |
||
857 | ; stc |
||
858 | ; ret |
||
859 | |||
860 | |||
861 | |||
862 | |||
863 | |||
864 | |||
865 | ;--------------vbe voodoo ------------------------------------------------ |
||
866 | vesa20_drawbackground_tiled: |
||
867 | |||
868 | call [disable_mouse] |
||
869 | |||
870 | push ebp |
||
871 | push eax |
||
872 | push ebx |
||
873 | push ecx |
||
874 | push edx |
||
875 | |||
876 | mov edx,dword [WinMapAddress-8] ; B |
||
877 | add edx,dword [WinMapAddress-8] ; +B |
||
878 | add edx,dword [WinMapAddress-8] ; +B |
||
879 | push edx |
||
880 | |||
115 | poddubny | 881 | mov ebp,[draw_data+32+RECT.left] ; x start:=(x+Xwin) |
882 | mov ebx,[draw_data+32+RECT.top] ; y start:=(y+Ywin) |
||
1 | ha | 883 | |
884 | mov eax,[BytesPerScanLine] |
||
885 | mul ebx |
||
886 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
887 | add ebp, eax ; +X |
||
888 | add ebp, eax ; +X |
||
889 | add ebp, eax ; +X |
||
890 | |||
891 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
892 | jz @f |
||
893 | add ebp,eax ; +X |
||
894 | @@: |
||
895 | add ebp,[LFBAddress] ; +LFB |
||
896 | |||
897 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
898 | |||
899 | call calculate_edi |
||
900 | |||
901 | |||
902 | dp3: ; MAIN LOOP |
||
903 | |||
904 | cmp [edi+WinMapAddress],byte 1 ; ptrBuffer^<>byte(1) |
||
905 | ; je ybgp |
||
906 | ; |
||
907 | ; jmp nbgp |
||
908 | ; |
||
909 | ; ybgp: |
||
910 | jne nbgp |
||
911 | |||
912 | push eax |
||
913 | push ebx |
||
914 | |||
915 | mov ecx,dword [WinMapAddress-8] ; B |
||
916 | xor edx,edx ; edx:=0 |
||
917 | div ecx ; Xstart/B |
||
918 | |||
919 | ; eax=Int(qn) edx:=Rem |
||
920 | |||
921 | lea esi,[edx+edx*2] ; esi:=edx*3 |
||
922 | |||
923 | mov ecx,dword [WinMapAddress-4] ; ecx:=H |
||
924 | mov eax,[esp+0] ; eax:=Ystart |
||
925 | xor edx,edx ; |
||
926 | div ecx ; Ystart/H |
||
927 | |||
928 | mov eax,edx ; eax:=Rem |
||
929 | xor edx,edx ; |
||
930 | mov ebx,[esp+8] ; ebx:=B*3 |
||
931 | mul ebx ; |
||
932 | add esi,eax ; |
||
933 | mov eax,[esi+0x300000] |
||
934 | and eax,0xffffff |
||
935 | |||
936 | xchg edi, ebp |
||
937 | stosw |
||
938 | shr eax,16 |
||
939 | stosb |
||
940 | xchg ebp, edi ; ebp+=3 |
||
941 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
942 | jz @f |
||
943 | inc ebp ; +1 |
||
944 | @@: |
||
945 | |||
946 | pop ebx |
||
947 | pop eax |
||
948 | |||
949 | jmp hook1 |
||
950 | |||
951 | nbgp: |
||
952 | add ebp,3 ; +3 |
||
953 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
954 | jz @f |
||
955 | inc ebp ; +1 |
||
956 | @@: |
||
957 | |||
958 | hook1: |
||
959 | |||
960 | inc edi ; ptrBuffer++ |
||
961 | add esi,3 ; ptrImage+=3 |
||
962 | inc eax |
||
115 | poddubny | 963 | cmp eax,[draw_data+32+RECT.right] ; X > xend? |
1 | ha | 964 | ; jg nodp3 |
965 | ; jmp dp3 |
||
966 | ; |
||
967 | ; nodp3: |
||
968 | jle dp3 |
||
969 | |||
115 | poddubny | 970 | mov ebp,[draw_data+32+RECT.left] |
1 | ha | 971 | |
972 | inc ebx |
||
973 | |||
974 | mov eax,[BytesPerScanLine] |
||
975 | mul ebx |
||
976 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
977 | add ebp, eax ; +X |
||
978 | add ebp, eax ; +X=X*2 |
||
979 | add ebp, eax ; +X=X*3 |
||
980 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
981 | jz @f |
||
982 | add ebp,eax ; +X=X*4 |
||
983 | @@: |
||
984 | add ebp,[LFBAddress] ; +LFB |
||
985 | |||
986 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
987 | |||
988 | call calculate_edi |
||
989 | |||
115 | poddubny | 990 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 991 | ; jg dp4 |
992 | ; |
||
993 | ; jmp dp3 |
||
994 | ; |
||
995 | ; dp4: |
||
996 | jle dp3 |
||
997 | |||
998 | add esp,4 |
||
999 | |||
1000 | pop edx |
||
1001 | pop ecx |
||
1002 | pop ebx |
||
1003 | pop eax |
||
1004 | pop ebp |
||
117 | mario79 | 1005 | mov [EGA_counter],1 |
1006 | call VGA_drawbackground |
||
1 | ha | 1007 | ret |
1008 | |||
1009 | ; ---------- |
||
1010 | |||
1011 | |||
1012 | vesa20_drawbackground_stretch: |
||
1013 | |||
1014 | call [disable_mouse] |
||
1015 | |||
1016 | push ebp |
||
1017 | push eax |
||
1018 | push ebx |
||
1019 | push ecx |
||
1020 | push edx |
||
1021 | |||
1022 | mov edx,dword [WinMapAddress-8] ; B |
||
1023 | add edx,dword [WinMapAddress-8] ; +B |
||
1024 | add edx,dword [WinMapAddress-8] ; +B |
||
1025 | push edx |
||
1026 | |||
115 | poddubny | 1027 | mov ebp,[draw_data+32+RECT.left] ; x start:=(x+Xwin) |
1028 | mov ebx,[draw_data+32+RECT.top] ; y start:=(y+Ywin) |
||
1 | ha | 1029 | |
1030 | mov eax,[BytesPerScanLine] |
||
1031 | mul ebx |
||
1032 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
1033 | add ebp, eax ; +X |
||
1034 | add ebp, eax ; +X |
||
1035 | add ebp, eax ; +X |
||
1036 | |||
1037 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1038 | jz @f |
||
1039 | add ebp,eax ; +X |
||
1040 | @@: |
||
1041 | add ebp,[LFBAddress] ; +LFB |
||
1042 | |||
1043 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1044 | |||
1045 | call calculate_edi |
||
1046 | |||
1047 | |||
205 | heavyiron | 1048 | sdp3: ; MAIN LOOP |
1049 | cmp [edi+WinMapAddress],byte 1 ; ptrBuffer^<>byte(1) |
||
1050 | jne snbgp |
||
1051 | push eax |
||
1052 | push ebx |
||
1053 | mov eax,dword [WinMapAddress-8] |
||
1054 | imul eax, [esp+4] ;4 |
||
1055 | xor edx,edx |
||
1056 | mov ebx,[ScreenWidth] |
||
1057 | div ebx |
||
1058 | mov cx,dx |
||
1059 | lea esi,[eax+eax*2] |
||
1060 | mov eax,dword [WinMapAddress-4] |
||
1061 | imul eax, [esp+0] ;0 |
||
1062 | xor edx,edx |
||
1063 | mov ebx,[ScreenHeight] |
||
1064 | div ebx |
||
1065 | shl ecx,16 |
||
1066 | mov cx,dx |
||
1067 | imul eax, [esp+8] ;8 |
||
1068 | add esi,eax |
||
1069 | mov eax,[esi+0x300000] |
||
1070 | push eax |
||
1071 | ror ecx,16 |
||
1072 | xor eax,eax |
||
1073 | mov ax,cx |
||
1074 | shl eax,1 ; умножение на 2 |
||
1075 | lea eax,[eax+eax*4] ; умножение на 5 |
||
1076 | xor edx,edx |
||
1077 | mov ebx,[ScreenWidth] |
||
1078 | div ebx |
||
1079 | cmp eax,5 |
||
1080 | pop eax |
||
1081 | jb @f |
||
1082 | mov ebx,[esi+0x300000+3] |
||
1083 | call overlapping_of_points |
||
1084 | @@: |
||
1085 | push eax |
||
1086 | ror ecx,16 |
||
1087 | xor eax,eax |
||
1088 | mov ax,cx |
||
1089 | shl eax,1 ; умножение на 2 |
||
1090 | lea eax,[eax+eax*4] ; умножение на |
||
1091 | xor edx,edx |
||
1092 | mov ebx,[ScreenHeight] |
||
1093 | div ebx |
||
1094 | cmp eax,5 |
||
1095 | pop eax |
||
1096 | jb @f |
||
1097 | mov ebx,[display_data-8] |
||
1098 | shl ebx,1 |
||
1099 | add ebx,[display_data-8] |
||
1100 | add ebx,0x300000 |
||
1101 | add ebx,esi |
||
1102 | mov ebx,[ebx] |
||
1103 | call overlapping_of_points |
||
1104 | @@: |
||
1105 | and eax,0xffffff |
||
1106 | xchg edi, ebp |
||
1107 | stosw |
||
1108 | shr eax,16 |
||
1109 | stosb |
||
1110 | xchg ebp, edi ; ebp+=3 |
||
1111 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1112 | jz @f |
||
1113 | inc ebp ; +1 |
||
1114 | @@: |
||
1115 | pop ebx |
||
1116 | pop eax |
||
1117 | jmp shook1 |
||
1 | ha | 1118 | |
205 | heavyiron | 1119 | overlapping_of_points: |
1120 | push ecx edi |
||
1121 | mov ecx,eax |
||
1122 | mov edx,ebx |
||
1123 | xor eax,eax |
||
1124 | mov al,cl |
||
1125 | xor ebx,ebx |
||
1126 | mov bl,dl |
||
1127 | add eax,ebx |
||
1128 | rcr eax,1 |
||
1129 | xor edi,edi |
||
1130 | mov di,ax |
||
1131 | xor eax,eax |
||
1132 | mov al,ch |
||
1133 | xor ebx,ebx |
||
1134 | mov bl,dh |
||
1135 | add eax,ebx |
||
1136 | rcr eax,1 |
||
1137 | ror edi,8 |
||
1138 | add edi,eax |
||
1139 | ror ecx,8 |
||
1140 | ror edx,8 |
||
1141 | xor eax,eax |
||
1142 | mov al,ch |
||
1143 | xor ebx,ebx |
||
1144 | mov bl,dh |
||
1145 | add eax,ebx |
||
1146 | rcr eax,1 |
||
1147 | ror edi,8 |
||
1148 | add eax,edi |
||
1149 | ror eax,16 |
||
1150 | pop edi ecx |
||
1151 | ret |
||
1 | ha | 1152 | |
1153 | snbgp: |
||
1154 | add ebp,3 ; +3 |
||
1155 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1156 | jz @f |
||
1157 | inc ebp ; +1 |
||
1158 | @@: |
||
1159 | |||
1160 | shook1: |
||
1161 | |||
1162 | inc edi ; ptrBuffer++ |
||
1163 | add esi,3 ; ptrImage+=3 |
||
1164 | inc eax |
||
115 | poddubny | 1165 | cmp eax,[draw_data+32+RECT.right] ; X > xend? |
1 | ha | 1166 | jle sdp3 |
1167 | |||
115 | poddubny | 1168 | mov ebp,[draw_data+32+RECT.left] |
1 | ha | 1169 | |
1170 | inc ebx |
||
1171 | |||
1172 | mov eax,[BytesPerScanLine] |
||
1173 | mul ebx |
||
1174 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
1175 | add ebp, eax ; +X |
||
1176 | add ebp, eax ; +X=X*2 |
||
1177 | add ebp, eax ; +X=X*3 |
||
1178 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1179 | jz @f |
||
1180 | add ebp,eax ; +X=X*4 |
||
1181 | @@: |
||
1182 | add ebp,[LFBAddress] ; +LFB |
||
1183 | |||
1184 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1185 | |||
1186 | call calculate_edi |
||
1187 | |||
115 | poddubny | 1188 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 1189 | jle sdp3 |
1190 | |||
1191 | add esp,4 |
||
1192 | |||
1193 | pop edx |
||
1194 | pop ecx |
||
1195 | pop ebx |
||
1196 | pop eax |
||
1197 | pop ebp |
||
117 | mario79 | 1198 | mov [EGA_counter],1 |
1199 | call VGA_drawbackground |
||
1 | ha | 1200 | ret>>><>16><16>> |