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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 | .source_bpp dd ? |
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80 | .winmap_newline dd ? |
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81 | .screen_newline dd ? |
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82 | .stack_data = 4*13 |
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83 | end virtual |
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84 | |||
85 | align 4 |
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86 | ; ebx = pointer |
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87 | ; ecx = size [x|y] |
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88 | ; edx = coordinates [x|y] |
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89 | vesa20_putimage: |
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90 | pushad |
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91 | call [disable_mouse] |
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92 | |||
93 | sub esp, putimg.stack_data |
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94 | |||
95 | mov [putimg.source_bpp], 3 |
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96 | ; test ebx, 0x80000000 |
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97 | ; jz @f |
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98 | ; inc [putimg.source_bpp] |
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99 | ; @@: |
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100 | ; and ebx, 0x7FFFFFFF |
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101 | |||
102 | ; save pointer to image |
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103 | mov [putimg.pti], ebx |
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104 | |||
105 | ; unpack the size |
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106 | mov eax, ecx |
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107 | and ecx, 0xFFFF |
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108 | shr eax, 16 |
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109 | mov [putimg.image_sx], eax |
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110 | mov [putimg.image_sy], ecx |
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111 | |||
112 | ; unpack the coordinates |
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113 | mov eax, edx |
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114 | and edx, 0xFFFF |
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115 | shr eax, 16 |
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116 | mov [putimg.image_cx], eax |
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117 | mov [putimg.image_cy], edx |
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118 | |||
119 | ; calculate absolute (i.e. screen) coordinates |
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120 | mov eax, [0x3010] |
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115 | poddubny | 121 | mov ebx, [eax-twdw + WDATA.box.left] |
1 | ha | 122 | add ebx, [putimg.image_cx] |
123 | mov [putimg.abs_cx], ebx |
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115 | poddubny | 124 | mov ebx, [eax-twdw + WDATA.box.top] |
1 | ha | 125 | add ebx, [putimg.image_cy] |
126 | mov [putimg.abs_cy], ebx |
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127 | |||
128 | ; real_sx = MIN(wnd_sx-image_cx, image_sx); |
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115 | poddubny | 129 | mov ebx, [eax-twdw + WDATA.box.width] ; ebx = wnd_sx |
133 | diamond | 130 | ; \begin{diamond}[20.08.2006] |
131 | ; note that WDATA.box.width is one pixel less than real window x-size |
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132 | inc ebx |
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133 | ; \end{diamond}[20.08.2006] |
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1 | ha | 134 | sub ebx, [putimg.image_cx] |
135 | ja @f |
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136 | add esp, putimg.stack_data |
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137 | popad |
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138 | ret |
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139 | @@: |
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140 | cmp ebx, [putimg.image_sx] |
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141 | jbe .end_x |
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142 | mov ebx, [putimg.image_sx] |
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143 | .end_x: |
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144 | mov [putimg.real_sx], ebx |
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145 | |||
146 | ; init real_sy |
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115 | poddubny | 147 | mov ebx, [eax-twdw + WDATA.box.height] ; ebx = wnd_sy |
133 | diamond | 148 | ; \begin{diamond}[20.08.2006] |
149 | inc ebx |
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150 | ; \end{diamond}[20.08.2006] |
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1 | ha | 151 | sub ebx, [putimg.image_cy] |
152 | ja @f |
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153 | add esp, putimg.stack_data |
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154 | popad |
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155 | ret |
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156 | @@: |
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157 | cmp ebx, [putimg.image_sy] |
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158 | jbe .end_y |
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159 | mov ebx, [putimg.image_sy] |
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160 | .end_y: |
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161 | mov [putimg.real_sy], ebx |
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162 | |||
163 | ; line increment |
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164 | mov eax, [putimg.image_sx] |
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165 | sub eax, [putimg.real_sx] |
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166 | ;; imul eax, [putimg.source_bpp] |
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167 | lea eax, [eax + eax * 2] |
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168 | mov [putimg.line_increment], eax |
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169 | |||
170 | ; winmap new line increment |
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171 | mov eax, [ScreenWidth] |
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172 | inc eax |
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173 | sub eax, [putimg.real_sx] |
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174 | mov [putimg.winmap_newline], eax |
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175 | |||
176 | ; screen new line increment |
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177 | mov eax, [BytesPerScanLine] |
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178 | mov ecx, [putimg.real_sx] |
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179 | movzx ebx, byte [ScreenBPP] |
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180 | shr ebx, 3 |
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181 | imul ecx, ebx |
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182 | sub eax, ecx |
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183 | mov [putimg.screen_newline], eax |
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184 | |||
185 | ; pointer to image |
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186 | mov ecx, [putimg.pti] |
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187 | |||
188 | ; pointer to screen |
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189 | mov edx, [putimg.abs_cy] |
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190 | imul edx, [BytesPerScanLine] |
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191 | mov eax, [putimg.abs_cx] |
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192 | movzx ebx, byte [ScreenBPP] |
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193 | shr ebx, 3 |
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194 | imul eax, ebx |
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195 | add edx, eax |
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196 | add edx, [LFBAddress] |
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197 | |||
198 | ; pointer to pixel map |
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199 | mov eax, [putimg.abs_cy] |
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200 | imul eax, [ScreenWidth] |
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201 | add eax, [putimg.abs_cy] |
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202 | add eax, [putimg.abs_cx] |
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203 | add eax, WinMapAddress |
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204 | xchg eax, ebp |
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205 | |||
206 | ; get process number |
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102 | poddubny | 207 | mov ebx, [0x3000] |
1 | ha | 208 | |
209 | cmp byte [ScreenBPP], 32 |
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210 | je put_image_end_32 |
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211 | |||
212 | ;put_image_end_24: |
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213 | mov edi, [putimg.real_sy] |
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214 | align 4 |
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215 | .new_line: |
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216 | mov esi, [putimg.real_sx] |
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217 | |||
218 | ; push ebp edx |
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219 | align 4 |
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220 | .new_x: |
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221 | |||
222 | cmp [ebp], bl |
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223 | jne .skip |
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224 | mov eax, [ecx] ; ecx = RRBBGGRR |
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225 | mov [edx], ax |
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226 | shr eax, 16 |
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227 | mov [edx+2], al |
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228 | .skip: |
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229 | |||
230 | add ecx, 3 ;[putimg.source_bpp] |
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231 | add edx, 3 |
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232 | inc ebp |
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233 | |||
234 | dec esi |
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235 | jnz .new_x |
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236 | ; pop edx ebp |
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237 | |||
238 | add ecx, [putimg.line_increment] |
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239 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
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240 | add ebp, [putimg.winmap_newline] ;[ScreenWidth] |
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241 | ;inc ebp |
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242 | |||
243 | dec edi |
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244 | jnz .new_line |
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245 | .finish: |
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246 | add esp, putimg.stack_data |
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247 | popad |
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248 | ret |
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249 | |||
250 | put_image_end_32: |
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251 | mov edi, [putimg.real_sy] |
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252 | align 4 |
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253 | .new_line: |
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254 | mov esi, [putimg.real_sx] |
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255 | |||
256 | ; push ebp edx |
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257 | align 4 |
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258 | .new_x: |
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259 | |||
260 | cmp [ebp], bl |
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261 | jne .skip |
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262 | mov eax, [ecx] ; ecx = RRBBGGRR |
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263 | mov [edx], eax |
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264 | .skip: |
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265 | |||
266 | add ecx, [putimg.source_bpp] |
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267 | add edx, 4 |
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268 | inc ebp |
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269 | |||
270 | dec esi |
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271 | jnz .new_x |
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272 | ; pop edx ebp |
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273 | |||
274 | add ecx, [putimg.line_increment] |
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275 | add edx, [putimg.screen_newline] ;[BytesPerScanLine] |
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276 | add ebp, [putimg.winmap_newline] ;[ScreenWidth] |
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277 | ;inc ebp |
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278 | |||
279 | dec edi |
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280 | jnz .new_line |
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281 | .finish: |
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282 | add esp, putimg.stack_data |
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283 | popad |
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117 | mario79 | 284 | call VGA__putimage |
285 | mov [EGA_counter],1 |
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1 | ha | 286 | ret |
287 | |||
288 | |||
289 | ;************************************************* |
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290 | align 4 |
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291 | __sys_putpixel: |
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292 | |||
293 | ; eax = x coordinate |
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294 | ; ebx = y coordinate |
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295 | ; ecx = ?? RR GG BB ; 0x01000000 negation |
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296 | ; edi = 0x00000001 force |
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297 | |||
298 | ;;; mov [novesachecksum], dword 0 |
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299 | |||
300 | pushad |
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301 | test edi,1 ; force ? |
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302 | jnz .forced |
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303 | ; not forced: |
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52 | mikedld | 304 | push ecx ; save 24th bit in case negative pixel wanted |
1 | ha | 305 | call checkpixel |
306 | test ecx,ecx |
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52 | mikedld | 307 | pop ecx |
1 | ha | 308 | jnz .exit |
309 | .forced: |
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310 | cmp [ScreenWidth], eax |
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311 | jb .exit |
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312 | cmp [ScreenHeight], ebx |
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313 | jb .exit |
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314 | .ok: |
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315 | ; check if negation |
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316 | test ecx,0x01000000 |
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317 | jz .noneg |
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318 | call getpixel |
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319 | not ecx |
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320 | mov [esp+32-8],ecx |
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321 | .noneg: |
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322 | ; OK to set pixel |
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323 | call dword [0xe020] ; call the real put_pixel function |
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324 | .exit: |
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325 | popad |
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33 | mario79 | 326 | |
1 | ha | 327 | ret |
328 | |||
329 | align 4 |
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330 | Vesa20_putpixel24: |
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331 | |||
332 | ; eax = x |
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333 | ; ebx = y |
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334 | |||
335 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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336 | lea edi, [eax+eax*2] ; edi = x*3 |
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337 | mov eax, [esp+32-8+4] |
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338 | add edi, [LFBAddress] |
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339 | add edi, ebx ; ebx = where to put pixel in memory |
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340 | mov [edi], ax |
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341 | shr eax, 16 |
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342 | mov [edi+2], al |
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343 | |||
344 | ret |
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345 | |||
346 | |||
347 | align 4 |
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348 | Vesa20_putpixel32: |
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349 | |||
350 | ; eax = x |
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351 | ; ebx = y |
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352 | |||
353 | imul ebx, [BytesPerScanLine] ; ebx = y * y multiplier |
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354 | lea edi, [ebx+eax*4] ; edi = x*4+(y*y multiplier) |
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355 | mov eax, [esp+32-8+4] ; eax = color |
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356 | add edi, [LFBAddress] ; ebx = where to put pixel in memory |
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357 | mov [edi], eax |
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358 | |||
359 | ret |
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360 | |||
361 | |||
362 | ;************************************************* |
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363 | |||
364 | ;align 4 |
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365 | calculate_edi: |
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366 | mov edi, ebx |
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367 | imul edi, [ScreenWidth] |
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368 | add edi, ebx |
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369 | add edi, eax |
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370 | ret |
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371 | |||
372 | ;************************************************* |
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373 | |||
374 | ; DRAWLINE |
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375 | |||
376 | align 4 |
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377 | __sys_draw_line: |
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36 | mario79 | 378 | ; inc [mouse_pause] |
1 | ha | 379 | call [disable_mouse] |
380 | |||
381 | ; draw a line |
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382 | ; eax = HIWORD = x1 |
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383 | ; LOWORD = x2 |
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384 | ; ebx = HIWORD = y1 |
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385 | ; LOWORD = y2 |
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386 | ; ecx = color |
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387 | ; edi = force ? |
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388 | pusha |
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389 | |||
390 | dl_x1 equ esp+20 |
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391 | dl_y1 equ esp+16 |
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392 | dl_x2 equ esp+12 |
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393 | dl_y2 equ esp+8 |
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394 | dl_dx equ esp+4 |
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395 | dl_dy equ esp+0 |
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396 | |||
397 | xor edx, edx ; clear edx |
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398 | xor esi, esi ; unpack arguments |
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399 | xor ebp, ebp |
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400 | mov si, ax ; esi = x2 |
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401 | mov bp, bx ; ebp = y2 |
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402 | shr eax, 16 ; eax = x1 |
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403 | shr ebx, 16 ; ebx = y1 |
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404 | |||
405 | push eax ; save x1 |
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406 | push ebx ; save y1 |
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407 | push esi ; save x2 |
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408 | push ebp ; save y2 |
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409 | |||
410 | ; checking x-axis... |
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411 | sub esi, eax ; esi = x2-x1 |
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412 | push esi ; save y2-y1 |
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413 | jl .x2lx1 ; is x2 less than x1 ? |
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414 | jg .no_vline ; x1 > x2 ? |
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415 | mov edx, ebp ; else (if x1=x2) |
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416 | call vline |
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417 | push edx ; necessary to rightly restore stack frame at .exit |
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418 | jmp .exit |
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419 | .x2lx1: |
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420 | neg esi ; get esi absolute value |
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421 | .no_vline: |
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422 | |||
423 | ; checking y-axis... |
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424 | sub ebp, ebx ; ebp = y2-y1 |
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425 | push ebp ; save y2-y1 |
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426 | jl .y2ly1 ; is y2 less than y1 ? |
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427 | jg .no_hline ; y1 > y2 ? |
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428 | mov edx, [dl_x2] ; else (if y1=y2) |
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429 | call hline |
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430 | jmp .exit |
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431 | .y2ly1: |
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432 | neg ebp ; get ebp absolute value |
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433 | .no_hline: |
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434 | |||
435 | |||
436 | cmp ebp, esi |
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437 | jle .x_rules ; |y2-y1| < |x2-x1| ? |
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438 | |||
439 | cmp [dl_y2], ebx ; make sure y1 is at the begining |
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440 | jge .no_reverse1 |
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441 | |||
442 | neg dword [dl_dx] |
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443 | mov edx, [dl_x2] |
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444 | mov [dl_x2], eax |
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445 | mov [dl_x1], edx |
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446 | mov edx, [dl_y2] |
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447 | mov [dl_y2], ebx |
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448 | mov [dl_y1], edx |
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449 | |||
450 | .no_reverse1: |
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451 | |||
452 | mov eax, [dl_dx] |
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453 | cdq ; extend eax sing to edx |
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454 | shl eax, 16 ; using 16bit fix-point maths |
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455 | idiv ebp ; eax = ((x2-x1)*65536)/(y2-y1) |
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456 | mov edx, ebp ; edx = counter (number of pixels to draw) |
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457 | mov ebp, 1 *65536 ; <<16 ; ebp = dy = 1.0 |
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458 | mov esi, eax ; esi = dx |
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459 | |||
460 | jmp .y_rules |
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461 | .x_rules: |
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462 | |||
463 | cmp [dl_x2], eax ; make sure x1 is at the begining |
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464 | jge .no_reverse2 |
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465 | |||
466 | neg dword [dl_dy] |
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467 | mov edx, [dl_x2] |
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468 | mov [dl_x2], eax |
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469 | mov [dl_x1], edx |
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470 | mov edx, [dl_y2] |
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471 | mov [dl_y2], ebx |
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472 | mov [dl_y1], edx |
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473 | |||
474 | .no_reverse2: |
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475 | |||
476 | xor edx, edx |
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477 | mov eax, [dl_dy] |
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478 | cdq ; extend eax sing to edx |
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479 | shl eax, 16 ; using 16bit fix-point maths |
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480 | idiv esi ; eax = ((y2-y1)*65536)/(x2-x1) |
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481 | mov edx, esi ; edx = counter (number of pixels to draw) |
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482 | mov esi, 1 *65536 ;<< 16 ; esi = dx = 1.0 |
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483 | mov ebp, eax ; ebp = dy |
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484 | |||
485 | .y_rules: |
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486 | |||
487 | mov eax, [dl_x1] |
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488 | mov ebx, [dl_y1] |
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489 | shl eax, 16 |
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490 | shl ebx, 16 |
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491 | |||
492 | align 4 |
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493 | |||
494 | .draw: |
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495 | push eax ebx |
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496 | shr eax, 16 |
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497 | shr ebx, 16 |
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498 | call [putpixel] |
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499 | pop ebx eax |
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500 | |||
501 | add ebx, ebp ; y = y+dy |
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502 | add eax, esi ; x = x+dx |
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503 | |||
504 | dec edx |
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505 | jnz .draw |
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506 | |||
507 | ; force last drawn pixel to be at (x2,y2) |
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508 | mov eax, [dl_x2] |
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509 | mov ebx, [dl_y2] |
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510 | call [putpixel] |
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511 | .exit: |
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512 | add esp, 6*4 |
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513 | popa |
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36 | mario79 | 514 | ; dec [mouse_pause] |
515 | call [draw_pointer] |
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1 | ha | 516 | ret |
517 | |||
518 | |||
519 | hline: |
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520 | ; draw an horizontal line |
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521 | ; eax = x1 |
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522 | ; edx = x2 |
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523 | ; ebx = y |
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524 | ; ecx = color |
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525 | ; edi = force ? |
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526 | push eax edx |
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527 | |||
528 | cmp edx, eax ; make sure x2 is above x1 |
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529 | jge @f |
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530 | xchg eax, edx |
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531 | align 4 |
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532 | @@: |
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533 | call [putpixel] |
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534 | inc eax |
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535 | cmp eax, edx |
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536 | jle @b |
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537 | |||
538 | pop edx eax |
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539 | ret |
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540 | |||
541 | |||
542 | vline: |
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543 | ; draw a vertical line |
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544 | ; eax = x |
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545 | ; ebx = y1 |
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546 | ; edx = y2 |
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547 | ; ecx = color |
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548 | ; edi = force ? |
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549 | push ebx edx |
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550 | |||
551 | cmp edx, ebx ; make sure y2 is above y1 |
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552 | jge @f |
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553 | xchg ebx, edx |
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554 | align 4 |
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555 | @@: |
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556 | call [putpixel] |
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557 | inc ebx |
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558 | cmp ebx, edx |
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559 | jle @b |
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560 | |||
561 | pop edx ebx |
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562 | ret |
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563 | |||
564 | |||
565 | ;************************************************* |
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566 | |||
567 | |||
568 | virtual at esp |
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569 | drbar: |
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570 | .bar_sx dd ? |
||
571 | .bar_sy dd ? |
||
572 | .bar_cx dd ? |
||
573 | .bar_cy dd ? |
||
574 | .abs_cx dd ? |
||
575 | .abs_cy dd ? |
||
576 | .real_sx dd ? |
||
577 | .real_sy dd ? |
||
578 | .color dd ? |
||
579 | .line_inc_scr dd ? |
||
580 | .line_inc_map dd ? |
||
581 | .stack_data = 4*11 |
||
582 | end virtual |
||
583 | |||
584 | align 4 |
||
585 | ; eax cx |
||
586 | ; ebx cy |
||
587 | ; ecx xe |
||
588 | ; edx ye |
||
589 | ; edi color |
||
590 | vesa20_drawbar: |
||
33 | mario79 | 591 | |
1 | ha | 592 | pushad |
593 | call [disable_mouse] |
||
594 | |||
595 | sub esp, drbar.stack_data |
||
596 | |||
597 | mov [drbar.color], edi |
||
598 | |||
599 | sub edx, ebx |
||
41 | mikedld | 600 | jle .exit ;// mike.dld, 2005-01-29 |
1 | ha | 601 | sub ecx, eax |
41 | mikedld | 602 | jle .exit ;// mike.dld, 2005-01-29 |
1 | ha | 603 | mov [drbar.bar_sy], edx |
604 | mov [drbar.bar_sx], ecx |
||
605 | |||
606 | mov [drbar.bar_cx], eax |
||
607 | mov [drbar.bar_cy], ebx |
||
608 | |||
609 | mov edi, [0x3010] |
||
115 | poddubny | 610 | add eax, [edi-twdw + WDATA.box.left] ; win_cx |
611 | add ebx, [edi-twdw + WDATA.box.top] ; win_cy |
||
1 | ha | 612 | mov [drbar.abs_cx], eax |
613 | mov [drbar.abs_cy], ebx |
||
614 | |||
615 | ; real_sx = MIN(wnd_sx-bar_cx, bar_sx); |
||
115 | poddubny | 616 | mov ebx, [edi-twdw + WDATA.box.width] ; ebx = wnd_sx |
133 | diamond | 617 | ; \begin{diamond}[20.08.2006] |
618 | ; note that WDATA.box.width is one pixel less than real window x-size |
||
619 | inc ebx |
||
620 | ; \end{diamond}[20.08.2006] |
||
1 | ha | 621 | sub ebx, [drbar.bar_cx] |
622 | ja @f |
||
41 | mikedld | 623 | .exit: ;// mike.dld, 2005-01-29 |
1 | ha | 624 | add esp, drbar.stack_data |
625 | popad |
||
626 | xor eax, eax |
||
627 | inc eax |
||
33 | mario79 | 628 | |
1 | ha | 629 | ret |
630 | @@: |
||
631 | cmp ebx, [drbar.bar_sx] |
||
632 | jbe .end_x |
||
633 | mov ebx, [drbar.bar_sx] |
||
634 | .end_x: |
||
635 | mov [drbar.real_sx], ebx |
||
636 | |||
637 | ; real_sy = MIN(wnd_sy-bar_cy, bar_sy); |
||
115 | poddubny | 638 | mov ebx, [edi-twdw + WDATA.box.height] ; ebx = wnd_sy |
133 | diamond | 639 | ; \begin{diamond}[20.08.2006] |
640 | inc ebx |
||
641 | ; \end{diamond} |
||
1 | ha | 642 | sub ebx, [drbar.bar_cy] |
643 | ja @f |
||
644 | add esp, drbar.stack_data |
||
645 | popad |
||
646 | xor eax, eax |
||
647 | inc eax |
||
33 | mario79 | 648 | |
1 | ha | 649 | ret |
650 | @@: |
||
651 | cmp ebx, [drbar.bar_sy] |
||
652 | jbe .end_y |
||
653 | mov ebx, [drbar.bar_sy] |
||
654 | .end_y: |
||
655 | mov [drbar.real_sy], ebx |
||
656 | |||
657 | ; line_inc_map |
||
658 | mov eax, [ScreenWidth] |
||
659 | sub eax, [drbar.real_sx] |
||
660 | inc eax |
||
661 | mov [drbar.line_inc_map], eax |
||
662 | |||
663 | ; line_inc_scr |
||
664 | mov eax, [drbar.real_sx] |
||
665 | movzx ebx, byte [ScreenBPP] |
||
666 | shr ebx, 3 |
||
667 | imul eax, ebx |
||
668 | neg eax |
||
669 | add eax, [BytesPerScanLine] |
||
670 | mov [drbar.line_inc_scr], eax |
||
671 | |||
672 | ; pointer to screen |
||
673 | mov edx, [drbar.abs_cy] |
||
674 | imul edx, [BytesPerScanLine] |
||
675 | mov eax, [drbar.abs_cx] |
||
676 | ; movzx ebx, byte [ScreenBPP] |
||
677 | ; shr ebx, 3 |
||
678 | imul eax, ebx |
||
679 | add edx, eax |
||
680 | add edx, [LFBAddress] |
||
681 | |||
682 | ; pointer to pixel map |
||
683 | mov eax, [drbar.abs_cy] |
||
684 | imul eax, [ScreenWidth] |
||
685 | add eax, [drbar.abs_cy] |
||
686 | add eax, [drbar.abs_cx] |
||
687 | add eax, WinMapAddress |
||
688 | xchg eax, ebp |
||
689 | |||
690 | ; get process number |
||
102 | poddubny | 691 | mov ebx, [0x3000] |
1 | ha | 692 | |
693 | cmp byte [ScreenBPP], 24 |
||
694 | jne draw_bar_end_32 |
||
695 | draw_bar_end_24: |
||
696 | mov eax, [drbar.color] ;; BBGGRR00 |
||
697 | mov bh, al ;; bh = BB |
||
698 | shr eax, 8 ;; eax = RRGG |
||
699 | ; eax - color high RRGG |
||
700 | ; bl - process num |
||
701 | ; bh - color low BB |
||
702 | ; ecx - temp |
||
703 | ; edx - pointer to screen |
||
704 | ; esi - counter |
||
705 | ; edi - counter |
||
706 | |||
707 | mov esi, [drbar.real_sy] |
||
708 | align 4 |
||
709 | .new_y: |
||
710 | mov edi, [drbar.real_sx] |
||
711 | align 4 |
||
712 | .new_x: |
||
713 | |||
714 | cmp byte [ebp], bl |
||
715 | jne .skip |
||
716 | mov [edx], bh |
||
717 | mov [edx + 1], ax |
||
718 | .skip: |
||
719 | |||
720 | ; add pixel |
||
721 | add edx, 3 |
||
722 | inc ebp |
||
723 | |||
724 | dec edi |
||
725 | jnz .new_x |
||
726 | |||
727 | ; add line |
||
728 | add edx, [drbar.line_inc_scr] |
||
729 | add ebp, [drbar.line_inc_map] |
||
730 | |||
731 | ; |
||
732 | test eax, 0x00800000 |
||
733 | jz @f |
||
734 | test bh, bh |
||
735 | jz @f |
||
736 | dec bh |
||
737 | @@: |
||
738 | ; |
||
739 | |||
740 | dec esi |
||
741 | jnz .new_y |
||
742 | |||
743 | add esp, drbar.stack_data |
||
744 | popad |
||
745 | xor eax, eax |
||
746 | ret |
||
747 | |||
748 | draw_bar_end_32: |
||
749 | mov eax, [drbar.color] ;; BBGGRR00 |
||
750 | |||
751 | mov esi, [drbar.real_sy] |
||
752 | align 4 |
||
753 | .new_y: |
||
754 | mov edi, [drbar.real_sx] |
||
755 | align 4 |
||
756 | .new_x: |
||
757 | |||
758 | cmp byte [ebp], bl |
||
759 | jne .skip |
||
760 | mov [edx], eax |
||
761 | .skip: |
||
762 | |||
763 | ; add pixel |
||
764 | add edx, 4 |
||
765 | inc ebp |
||
766 | |||
767 | dec edi |
||
768 | jnz .new_x |
||
769 | |||
770 | ; add line |
||
771 | add edx, [drbar.line_inc_scr] |
||
772 | add ebp, [drbar.line_inc_map] |
||
773 | |||
774 | ; |
||
775 | test eax, 0x80000000 |
||
776 | jz @f |
||
777 | test al, al |
||
778 | jz @f |
||
779 | dec al |
||
780 | @@: |
||
781 | ; |
||
782 | |||
783 | dec esi |
||
784 | jnz .new_y |
||
785 | |||
786 | add esp, drbar.stack_data |
||
787 | popad |
||
117 | mario79 | 788 | call VGA_draw_bar |
1 | ha | 789 | xor eax, eax |
117 | mario79 | 790 | mov [EGA_counter],1 |
1 | ha | 791 | ret |
792 | |||
793 | |||
794 | ;voodoodbcplimit: |
||
795 | |||
796 | ; ebp:=(y+Ywin)*(ScreenXSize+1)+(x+Xwin)+AddrBuffer |
||
797 | |||
798 | |||
799 | ; pusha |
||
800 | |||
801 | ; xor edx,edx |
||
802 | ; mov eax,ebp |
||
803 | ; mov ebx,[ScreenWidth] ; Screen_X_size |
||
804 | ; inc ebx ; +1 |
||
805 | ; sub eax,WinMapAddress ; -AddrBuffer |
||
806 | ; div ebx ; |
||
807 | ; mov ebx,eax ; ebx:=Y |
||
808 | ; mov eax,edx ; eax:=X |
||
809 | ; call cplimit |
||
810 | |||
811 | ; test ecx,ecx |
||
812 | ; jne dbcpl12 |
||
813 | ; popa |
||
814 | ; clc |
||
815 | ; ret |
||
816 | ; dbcpl12: |
||
817 | ; popa |
||
818 | ; stc |
||
819 | ; ret |
||
820 | |||
821 | |||
822 | |||
823 | |||
824 | ;dbcplimit: |
||
825 | |||
826 | ; pusha |
||
827 | |||
828 | ; xor edx,edx |
||
829 | ; mov ebx,[ScreenWidth] |
||
830 | ; inc ebx |
||
831 | ; sub eax,WinMapAddress |
||
832 | ; div ebx |
||
833 | ; mov ebx,eax |
||
834 | ; mov eax,edx |
||
835 | ; call cplimit |
||
836 | |||
837 | ; test ecx,ecx |
||
838 | ; jne dbcpl1 |
||
839 | ; popa |
||
840 | ; clc |
||
841 | ; ret |
||
842 | ; dbcpl1: |
||
843 | ; popa |
||
844 | ; stc |
||
845 | ; ret |
||
846 | |||
847 | |||
848 | |||
849 | |||
850 | |||
851 | |||
852 | ;--------------vbe voodoo ------------------------------------------------ |
||
853 | vesa20_drawbackground_tiled: |
||
854 | |||
855 | call [disable_mouse] |
||
856 | |||
857 | push ebp |
||
858 | push eax |
||
859 | push ebx |
||
860 | push ecx |
||
861 | push edx |
||
862 | |||
863 | mov edx,dword [WinMapAddress-8] ; B |
||
864 | add edx,dword [WinMapAddress-8] ; +B |
||
865 | add edx,dword [WinMapAddress-8] ; +B |
||
866 | push edx |
||
867 | |||
115 | poddubny | 868 | mov ebp,[draw_data+32+RECT.left] ; x start:=(x+Xwin) |
869 | mov ebx,[draw_data+32+RECT.top] ; y start:=(y+Ywin) |
||
1 | ha | 870 | |
871 | mov eax,[BytesPerScanLine] |
||
872 | mul ebx |
||
873 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
874 | add ebp, eax ; +X |
||
875 | add ebp, eax ; +X |
||
876 | add ebp, eax ; +X |
||
877 | |||
878 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
879 | jz @f |
||
880 | add ebp,eax ; +X |
||
881 | @@: |
||
882 | add ebp,[LFBAddress] ; +LFB |
||
883 | |||
884 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
885 | |||
886 | call calculate_edi |
||
887 | |||
888 | |||
889 | dp3: ; MAIN LOOP |
||
890 | |||
891 | cmp [edi+WinMapAddress],byte 1 ; ptrBuffer^<>byte(1) |
||
892 | ; je ybgp |
||
893 | ; |
||
894 | ; jmp nbgp |
||
895 | ; |
||
896 | ; ybgp: |
||
897 | jne nbgp |
||
898 | |||
899 | push eax |
||
900 | push ebx |
||
901 | |||
902 | mov ecx,dword [WinMapAddress-8] ; B |
||
903 | xor edx,edx ; edx:=0 |
||
904 | div ecx ; Xstart/B |
||
905 | |||
906 | ; eax=Int(qn) edx:=Rem |
||
907 | |||
908 | lea esi,[edx+edx*2] ; esi:=edx*3 |
||
909 | |||
910 | mov ecx,dword [WinMapAddress-4] ; ecx:=H |
||
911 | mov eax,[esp+0] ; eax:=Ystart |
||
912 | xor edx,edx ; |
||
913 | div ecx ; Ystart/H |
||
914 | |||
915 | mov eax,edx ; eax:=Rem |
||
916 | xor edx,edx ; |
||
917 | mov ebx,[esp+8] ; ebx:=B*3 |
||
918 | mul ebx ; |
||
919 | add esi,eax ; |
||
920 | mov eax,[esi+0x300000] |
||
921 | and eax,0xffffff |
||
922 | |||
923 | xchg edi, ebp |
||
924 | stosw |
||
925 | shr eax,16 |
||
926 | stosb |
||
927 | xchg ebp, edi ; ebp+=3 |
||
928 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
929 | jz @f |
||
930 | inc ebp ; +1 |
||
931 | @@: |
||
932 | |||
933 | pop ebx |
||
934 | pop eax |
||
935 | |||
936 | jmp hook1 |
||
937 | |||
938 | nbgp: |
||
939 | add ebp,3 ; +3 |
||
940 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
941 | jz @f |
||
942 | inc ebp ; +1 |
||
943 | @@: |
||
944 | |||
945 | hook1: |
||
946 | |||
947 | inc edi ; ptrBuffer++ |
||
948 | add esi,3 ; ptrImage+=3 |
||
949 | inc eax |
||
115 | poddubny | 950 | cmp eax,[draw_data+32+RECT.right] ; X > xend? |
1 | ha | 951 | ; jg nodp3 |
952 | ; jmp dp3 |
||
953 | ; |
||
954 | ; nodp3: |
||
955 | jle dp3 |
||
956 | |||
115 | poddubny | 957 | mov ebp,[draw_data+32+RECT.left] |
1 | ha | 958 | |
959 | inc ebx |
||
960 | |||
961 | mov eax,[BytesPerScanLine] |
||
962 | mul ebx |
||
963 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
964 | add ebp, eax ; +X |
||
965 | add ebp, eax ; +X=X*2 |
||
966 | add ebp, eax ; +X=X*3 |
||
967 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
968 | jz @f |
||
969 | add ebp,eax ; +X=X*4 |
||
970 | @@: |
||
971 | add ebp,[LFBAddress] ; +LFB |
||
972 | |||
973 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
974 | |||
975 | call calculate_edi |
||
976 | |||
115 | poddubny | 977 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 978 | ; jg dp4 |
979 | ; |
||
980 | ; jmp dp3 |
||
981 | ; |
||
982 | ; dp4: |
||
983 | jle dp3 |
||
984 | |||
985 | add esp,4 |
||
986 | |||
987 | pop edx |
||
988 | pop ecx |
||
989 | pop ebx |
||
990 | pop eax |
||
991 | pop ebp |
||
117 | mario79 | 992 | mov [EGA_counter],1 |
993 | call VGA_drawbackground |
||
1 | ha | 994 | ret |
995 | |||
996 | ; ---------- |
||
997 | |||
998 | |||
999 | vesa20_drawbackground_stretch: |
||
1000 | |||
1001 | call [disable_mouse] |
||
1002 | |||
1003 | push ebp |
||
1004 | push eax |
||
1005 | push ebx |
||
1006 | push ecx |
||
1007 | push edx |
||
1008 | |||
1009 | mov edx,dword [WinMapAddress-8] ; B |
||
1010 | add edx,dword [WinMapAddress-8] ; +B |
||
1011 | add edx,dword [WinMapAddress-8] ; +B |
||
1012 | push edx |
||
1013 | |||
115 | poddubny | 1014 | mov ebp,[draw_data+32+RECT.left] ; x start:=(x+Xwin) |
1015 | mov ebx,[draw_data+32+RECT.top] ; y start:=(y+Ywin) |
||
1 | ha | 1016 | |
1017 | mov eax,[BytesPerScanLine] |
||
1018 | mul ebx |
||
1019 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
1020 | add ebp, eax ; +X |
||
1021 | add ebp, eax ; +X |
||
1022 | add ebp, eax ; +X |
||
1023 | |||
1024 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1025 | jz @f |
||
1026 | add ebp,eax ; +X |
||
1027 | @@: |
||
1028 | add ebp,[LFBAddress] ; +LFB |
||
1029 | |||
1030 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1031 | |||
1032 | call calculate_edi |
||
1033 | |||
1034 | |||
205 | heavyiron | 1035 | sdp3: ; MAIN LOOP |
1036 | cmp [edi+WinMapAddress],byte 1 ; ptrBuffer^<>byte(1) |
||
1037 | jne snbgp |
||
1038 | push eax |
||
1039 | push ebx |
||
1040 | mov eax,dword [WinMapAddress-8] |
||
1041 | imul eax, [esp+4] ;4 |
||
1042 | xor edx,edx |
||
1043 | mov ebx,[ScreenWidth] |
||
1044 | div ebx |
||
1045 | mov cx,dx |
||
1046 | lea esi,[eax+eax*2] |
||
1047 | mov eax,dword [WinMapAddress-4] |
||
1048 | imul eax, [esp+0] ;0 |
||
1049 | xor edx,edx |
||
1050 | mov ebx,[ScreenHeight] |
||
1051 | div ebx |
||
1052 | shl ecx,16 |
||
1053 | mov cx,dx |
||
1054 | imul eax, [esp+8] ;8 |
||
1055 | add esi,eax |
||
1056 | mov eax,[esi+0x300000] |
||
1057 | push eax |
||
1058 | ror ecx,16 |
||
1059 | xor eax,eax |
||
1060 | mov ax,cx |
||
1061 | shl eax,1 ; умножение на 2 |
||
1062 | lea eax,[eax+eax*4] ; умножение на 5 |
||
1063 | xor edx,edx |
||
1064 | mov ebx,[ScreenWidth] |
||
1065 | div ebx |
||
1066 | cmp eax,5 |
||
1067 | pop eax |
||
1068 | jb @f |
||
1069 | mov ebx,[esi+0x300000+3] |
||
1070 | call overlapping_of_points |
||
1071 | @@: |
||
1072 | push eax |
||
1073 | ror ecx,16 |
||
1074 | xor eax,eax |
||
1075 | mov ax,cx |
||
1076 | shl eax,1 ; умножение на 2 |
||
1077 | lea eax,[eax+eax*4] ; умножение на |
||
1078 | xor edx,edx |
||
1079 | mov ebx,[ScreenHeight] |
||
1080 | div ebx |
||
1081 | cmp eax,5 |
||
1082 | pop eax |
||
1083 | jb @f |
||
1084 | mov ebx,[display_data-8] |
||
1085 | shl ebx,1 |
||
1086 | add ebx,[display_data-8] |
||
1087 | add ebx,0x300000 |
||
1088 | add ebx,esi |
||
1089 | mov ebx,[ebx] |
||
1090 | call overlapping_of_points |
||
1091 | @@: |
||
1092 | and eax,0xffffff |
||
1093 | xchg edi, ebp |
||
1094 | stosw |
||
1095 | shr eax,16 |
||
1096 | stosb |
||
1097 | xchg ebp, edi ; ebp+=3 |
||
1098 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1099 | jz @f |
||
1100 | inc ebp ; +1 |
||
1101 | @@: |
||
1102 | pop ebx |
||
1103 | pop eax |
||
1104 | jmp shook1 |
||
1 | ha | 1105 | |
205 | heavyiron | 1106 | overlapping_of_points: |
1107 | push ecx edi |
||
1108 | mov ecx,eax |
||
1109 | mov edx,ebx |
||
1110 | xor eax,eax |
||
1111 | mov al,cl |
||
1112 | xor ebx,ebx |
||
1113 | mov bl,dl |
||
1114 | add eax,ebx |
||
1115 | rcr eax,1 |
||
1116 | xor edi,edi |
||
1117 | mov di,ax |
||
1118 | xor eax,eax |
||
1119 | mov al,ch |
||
1120 | xor ebx,ebx |
||
1121 | mov bl,dh |
||
1122 | add eax,ebx |
||
1123 | rcr eax,1 |
||
1124 | ror edi,8 |
||
1125 | add edi,eax |
||
1126 | ror ecx,8 |
||
1127 | ror edx,8 |
||
1128 | xor eax,eax |
||
1129 | mov al,ch |
||
1130 | xor ebx,ebx |
||
1131 | mov bl,dh |
||
1132 | add eax,ebx |
||
1133 | rcr eax,1 |
||
1134 | ror edi,8 |
||
1135 | add eax,edi |
||
1136 | ror eax,16 |
||
1137 | pop edi ecx |
||
1138 | ret |
||
1 | ha | 1139 | |
1140 | snbgp: |
||
1141 | add ebp,3 ; +3 |
||
1142 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1143 | jz @f |
||
1144 | inc ebp ; +1 |
||
1145 | @@: |
||
1146 | |||
1147 | shook1: |
||
1148 | |||
1149 | inc edi ; ptrBuffer++ |
||
1150 | add esi,3 ; ptrImage+=3 |
||
1151 | inc eax |
||
115 | poddubny | 1152 | cmp eax,[draw_data+32+RECT.right] ; X > xend? |
1 | ha | 1153 | jle sdp3 |
1154 | |||
115 | poddubny | 1155 | mov ebp,[draw_data+32+RECT.left] |
1 | ha | 1156 | |
1157 | inc ebx |
||
1158 | |||
1159 | mov eax,[BytesPerScanLine] |
||
1160 | mul ebx |
||
1161 | xchg ebp, eax ; BytesPerScanLine*(Ywin+y) |
||
1162 | add ebp, eax ; +X |
||
1163 | add ebp, eax ; +X=X*2 |
||
1164 | add ebp, eax ; +X=X*3 |
||
1165 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
||
1166 | jz @f |
||
1167 | add ebp,eax ; +X=X*4 |
||
1168 | @@: |
||
1169 | add ebp,[LFBAddress] ; +LFB |
||
1170 | |||
1171 | ; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB |
||
1172 | |||
1173 | call calculate_edi |
||
1174 | |||
115 | poddubny | 1175 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 1176 | jle sdp3 |
1177 | |||
1178 | add esp,4 |
||
1179 | |||
1180 | pop edx |
||
1181 | pop ecx |
||
1182 | pop ebx |
||
1183 | pop eax |
||
1184 | pop ebp |
||
117 | mario79 | 1185 | mov [EGA_counter],1 |
1186 | call VGA_drawbackground |
||
1 | ha | 1187 | ret>>><>16><16>> |