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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 527 $ |
431 | serge | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
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4 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
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5 | ;; Distributed under terms of the GNU General Public License ;; |
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6 | ;; ;; |
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7 | ;; VESA12.INC ;; |
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8 | ;; ;; |
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9 | ;; Vesa 1.2 functions for MenuetOS ;; |
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10 | ;; ;; |
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11 | ;; Copyright 2002 Ville Turjanmaa ;; |
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12 | ;; ;; |
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13 | ;; quickcode@mail.ru - bankswitch for S3 cards ;; |
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14 | ;; ;; |
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15 | ;; See file COPYING for details ;; |
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16 | ;; ;; |
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17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1 | ha | 18 | |
19 | |||
20 | ; A complete video driver should include the following types of function |
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21 | ; |
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22 | ; Putpixel |
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23 | ; Getpixel |
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24 | ; |
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25 | ; Drawimage |
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26 | ; Drawbar |
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27 | ; |
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28 | ; Drawbackground |
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29 | ; |
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30 | ; |
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31 | ; Modifying the set_bank -function is mostly enough |
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32 | ; for different Vesa 1.2 setups. |
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33 | |||
5 | halyavin | 34 | ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
35 | ; set_bank for Trident videocards, work on Trident 9440 |
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36 | ; modified by Mario79 |
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37 | ;set_bank: |
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38 | ;cli |
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381 | serge | 39 | ;cmp al,[BANK_RW] |
5 | halyavin | 40 | ;je retsb |
381 | serge | 41 | ;mov [BANK_RW],al |
5 | halyavin | 42 | ;push dx |
43 | ;mov dx,3D8h |
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44 | ;out dx,al |
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45 | ;pop dx |
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46 | ;retsb: |
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47 | ;sti |
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48 | ;ret |
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1 | ha | 49 | |
5 | halyavin | 50 | |
51 | ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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52 | ; set_bank for S3 videocards, work on S3 ViRGE PCI (325) |
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379 | serge | 53 | ; modified by kmeaw |
54 | set_bank: |
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102 | poddubny | 55 | pushfd |
379 | serge | 56 | cli |
381 | serge | 57 | cmp al,[BANK_RW] |
379 | serge | 58 | je retsb |
381 | serge | 59 | mov [BANK_RW],al |
379 | serge | 60 | push ax |
61 | push dx |
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62 | push cx |
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63 | mov cl, al |
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64 | mov dx, 0x3D4 |
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65 | mov al, 0x38 |
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1 | ha | 66 | out dx, al ;CR38 Register Lock 1 ;Note: Traditionally 48h is used to |
67 | ;unlock and 00h to lock |
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379 | serge | 68 | inc dx |
69 | mov al, 0x48 |
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1 | ha | 70 | out dx, al ;3d5 -? |
379 | serge | 71 | dec dx |
72 | mov al, 0x31 |
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1 | ha | 73 | out dx, al ;CR31 Memory Configuration Register |
74 | ;0 Enable Base Address Offset (CPUA BASE). Enables bank operation if set, ;disables if clear. |
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75 | ;4-5 Bit 16-17 of the Display Start Address. For the 801/5,928 see index 51h, |
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76 | ;for the 864/964 see index 69h. |
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77 | |||
379 | serge | 78 | inc dx |
79 | in al, dx |
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80 | dec dx |
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81 | mov ah, al |
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82 | mov al, 0x31 |
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83 | out dx, ax |
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84 | mov al, ah |
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85 | or al, 9 |
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86 | inc dx |
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87 | out dx, al |
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88 | dec dx |
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89 | mov al, 0x35 |
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1 | ha | 90 | out dx, al ;CR35 CRT Register Lock |
379 | serge | 91 | inc dx |
92 | in al, dx |
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93 | dec dx |
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94 | and al, 0xF0 |
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95 | mov ch, cl |
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96 | and ch, 0x0F |
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97 | or ch, al |
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98 | mov al, 0x35 |
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99 | out dx, al |
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100 | inc dx |
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101 | mov al, ch |
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102 | out dx, ax |
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103 | dec dx |
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1 | ha | 104 | mov al, 0x51 ;Extended System Control 2 Register |
379 | serge | 105 | out dx, al |
106 | inc dx |
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107 | in al, dx |
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108 | dec dx |
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109 | and al, 0xF3 |
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110 | shr cl, 2 |
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111 | and cl, 0x0C |
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112 | or cl, al |
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113 | mov al, 0x51 |
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114 | out dx, al |
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115 | inc dx |
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116 | mov al, cl |
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117 | out dx, al |
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118 | dec dx |
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119 | mov al, 0x38 |
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120 | out dx, al |
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121 | inc dx |
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122 | xor al, al |
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123 | out dx, al |
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124 | dec dx |
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125 | pop cx |
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126 | pop dx |
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127 | pop ax |
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128 | retsb: |
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102 | poddubny | 129 | popfd |
1 | ha | 130 | ret |
131 | |||
132 | ;Set bank function for Intel 810/815 chipsets |
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133 | ; *****Modified by Protopopius, Russia.***** |
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134 | ; ********* http://menuetos.hut.ru ************** |
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135 | ; ************************************************ |
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136 | ; |
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137 | ;set_bank: |
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138 | ;cli |
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381 | serge | 139 | ;cmp al,[BANK_RW] |
1 | ha | 140 | ;je retsb |
381 | serge | 141 | ;mov [BANK_RW],al |
1 | ha | 142 | ;push ax |
143 | ;push dx |
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144 | ;mov dx,3CEh |
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145 | ;mov ah,al ; Save value for later use |
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146 | ;mov al,10h ; Index GR10 (Address Mapping) |
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147 | ;out dx,al ; Select GR10 |
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148 | ;inc dl |
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149 | ;mov al,3 ; Set bits 0 and 1 (Enable linear page mapping) |
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150 | ;out dx,al ; Write value |
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151 | ;dec dl |
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152 | ;mov al,11h ; Index GR11 (Page Selector) |
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153 | ;out dx,al ; Select GR11 |
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154 | ;inc dl |
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155 | ;mov al,ah ; Write address |
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156 | ;out dx,al ; Write the value |
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157 | ;pop dx |
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158 | ;pop ax |
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159 | ;retsb: |
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160 | ;sti |
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161 | ;ret |
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162 | |||
163 | ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!} |
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164 | |||
165 | ;set_bank: |
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166 | ; cli |
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381 | serge | 167 | ; cmp al,[BANK_RW] |
1 | ha | 168 | ; je retsb |
381 | serge | 169 | ; mov [BANK_RW],al |
1 | ha | 170 | ; push ax |
171 | ; push dx |
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172 | ; mov ah,al |
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173 | ; mov dx,0x03D4 |
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174 | ; mov al,0x39 |
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175 | ; out dx,al |
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176 | ; inc dl |
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177 | ; mov al,0xA5 |
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178 | ; out dx,al |
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179 | ; dec dl |
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180 | ; mov al,6Ah |
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181 | ; out dx,al |
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182 | ; inc dl |
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183 | ; mov al,ah |
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184 | ; out dx,al |
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185 | ; dec dl |
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186 | ; mov al,0x39 |
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187 | ; out dx,al |
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188 | ; inc dl |
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189 | ; mov al,0x5A |
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190 | ; out dx,al |
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191 | ; dec dl |
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192 | ; pop dx |
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193 | ; pop ax |
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194 | ; |
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195 | ; retsb: |
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196 | ; ret |
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197 | |||
198 | |||
199 | vesa12_drawbackground: |
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200 | |||
201 | call [disable_mouse] |
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202 | |||
203 | push eax |
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204 | push ebx |
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205 | push ecx |
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206 | push edx |
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207 | |||
208 | xor edx,edx |
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527 | diamond | 209 | mov eax,dword[BgrDataWidth] |
210 | mov ebx,dword[BgrDataHeight] |
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1 | ha | 211 | mul ebx |
212 | mov ebx,3 |
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213 | mul ebx |
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214 | mov [imax],eax |
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115 | poddubny | 215 | mov eax,[draw_data+32+RECT.left] |
216 | mov ebx,[draw_data+32+RECT.top] |
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1 | ha | 217 | mov edi,0 ;no force |
218 | |||
219 | v12dp3: |
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220 | |||
221 | push eax |
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222 | push ebx |
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223 | |||
527 | diamond | 224 | cmp [BgrDrawMode],dword 1 ; tiled background |
1 | ha | 225 | jne no_vesa12_tiled_bgr |
226 | |||
227 | push edx |
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228 | |||
229 | xor edx,edx |
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527 | diamond | 230 | div dword [BgrDataWidth] |
1 | ha | 231 | |
527 | diamond | 232 | push edx |
1 | ha | 233 | mov eax,ebx |
234 | xor edx,edx |
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527 | diamond | 235 | div dword [BgrDataHeight] |
1 | ha | 236 | mov ebx,edx |
237 | pop eax |
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238 | |||
239 | pop edx |
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240 | |||
241 | no_vesa12_tiled_bgr: |
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242 | |||
527 | diamond | 243 | cmp [BgrDrawMode],dword 2 ; stretched background |
1 | ha | 244 | jne no_vesa12_stretched_bgr |
245 | |||
246 | push edx |
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247 | |||
527 | diamond | 248 | mul dword [BgrDataWidth] |
381 | serge | 249 | mov ecx,[ScreenWidth] |
1 | ha | 250 | inc ecx |
251 | div ecx |
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252 | |||
253 | push eax |
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254 | mov eax,ebx |
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527 | diamond | 255 | mul dword [BgrDataHeight] |
381 | serge | 256 | mov ecx,[ScreenHeight] |
1 | ha | 257 | inc ecx |
258 | div ecx |
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259 | mov ebx,eax |
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260 | pop eax |
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261 | |||
262 | pop edx |
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263 | |||
264 | no_vesa12_stretched_bgr: |
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265 | |||
266 | |||
527 | diamond | 267 | mov esi,ebx |
268 | imul esi, dword [BgrDataWidth] |
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1 | ha | 269 | add esi,eax |
527 | diamond | 270 | lea esi,[esi*3] |
469 | serge | 271 | add esi,[img_background] ;IMG_BACKGROUND |
1 | ha | 272 | pop ebx |
273 | pop eax |
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274 | |||
275 | v12di4: |
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276 | |||
527 | diamond | 277 | mov cl,[esi+2] |
278 | shl ecx,16 |
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279 | mov cx,[esi] |
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1 | ha | 280 | pusha |
281 | mov esi,eax |
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282 | mov edi,ebx |
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381 | serge | 283 | mov eax,[ScreenWidth] |
1 | ha | 284 | add eax,1 |
285 | mul ebx |
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527 | diamond | 286 | cmp [eax+esi+WinMapAddress],byte 1 |
1 | ha | 287 | jnz v12nbgp |
381 | serge | 288 | mov eax,[BytesPerScanLine] |
1 | ha | 289 | mov ebx,edi |
290 | mul ebx |
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291 | add eax,esi |
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292 | add eax,esi |
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293 | add eax,esi |
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381 | serge | 294 | cmp [ScreenBPP],byte 24 |
1 | ha | 295 | jz v12bgl3 |
296 | add eax,esi |
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297 | |||
298 | v12bgl3: |
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299 | |||
300 | push ebx |
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301 | push eax |
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302 | |||
381 | serge | 303 | sub eax,[LFBAddress] |
1 | ha | 304 | |
305 | shr eax,16 |
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306 | call set_bank |
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307 | pop eax |
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308 | and eax,65535 |
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381 | serge | 309 | add eax,VGABasePtr |
1 | ha | 310 | pop ebx |
311 | |||
312 | mov [eax],cx |
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313 | add eax,2 |
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314 | shr ecx,16 |
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315 | mov [eax],cl |
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316 | sti |
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317 | |||
318 | v12nbgp: |
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319 | |||
320 | popa |
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321 | add esi,3 |
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322 | inc eax |
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115 | poddubny | 323 | cmp eax,[draw_data+32+RECT.right] |
1 | ha | 324 | jg v12nodp31 |
325 | jmp v12dp3 |
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326 | |||
327 | v12nodp31: |
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328 | |||
115 | poddubny | 329 | mov eax,[draw_data+32+RECT.left] |
1 | ha | 330 | inc ebx |
115 | poddubny | 331 | cmp ebx,[draw_data+32+RECT.bottom] |
1 | ha | 332 | jg v12dp4 |
333 | jmp v12dp3 |
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334 | |||
335 | v12dp4: |
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336 | |||
337 | pop edx |
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338 | pop ecx |
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339 | pop ebx |
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340 | pop eax |
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341 | ret |
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342 | |||
343 | |||
344 | vesa12_drawbar: |
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345 | |||
346 | call [disable_mouse] |
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347 | |||
348 | ;; mov [novesachecksum],dword 0 |
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349 | sub edx,ebx |
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350 | sub ecx,eax |
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351 | push esi |
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352 | push edi |
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353 | push eax |
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354 | push ebx |
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355 | push ecx |
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356 | push edx |
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379 | serge | 357 | mov ecx,[TASK_BASE] |
115 | poddubny | 358 | add eax,[ecx-twdw+WDATA.box.left] |
359 | add ebx,[ecx-twdw+WDATA.box.top] |
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1 | ha | 360 | push eax |
361 | mov eax,ebx ; y |
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381 | serge | 362 | mov ebx,[BytesPerScanLine] |
1 | ha | 363 | mul ebx |
364 | pop ecx |
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365 | add eax,ecx ; x |
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366 | add eax,ecx |
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367 | add eax,ecx |
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381 | serge | 368 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start |
1 | ha | 369 | jz dbpi2412 |
370 | add eax,ecx |
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371 | |||
372 | dbpi2412: |
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373 | |||
381 | serge | 374 | add eax,[LFBAddress] |
1 | ha | 375 | mov edi,eax |
376 | |||
377 | ; x size |
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378 | |||
379 | mov eax,[esp+4] ; [esp+6] |
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380 | mov ecx,eax |
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381 | add ecx,eax |
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382 | add ecx,eax |
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381 | serge | 383 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
1 | ha | 384 | jz dbpi24312 |
385 | add ecx,eax |
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386 | |||
387 | dbpi24312: |
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388 | |||
389 | mov ebx,[esp+0] |
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390 | |||
391 | ; check limits ? |
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392 | |||
393 | push eax |
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394 | push ecx |
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379 | serge | 395 | mov eax,[TASK_BASE] |
396 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.left] |
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1 | ha | 397 | cmp ecx,0 |
398 | jnz dbcblimitlset12 |
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379 | serge | 399 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.top] |
1 | ha | 400 | cmp ecx,0 |
401 | jnz dbcblimitlset12 |
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379 | serge | 402 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right] |
381 | serge | 403 | cmp ecx,[ScreenWidth] |
1 | ha | 404 | jnz dbcblimitlset12 |
379 | serge | 405 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom] |
381 | serge | 406 | cmp ecx,[ScreenHeight] |
1 | ha | 407 | jnz dbcblimitlset12 |
408 | pop ecx |
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409 | pop eax |
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410 | push dword 0 |
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411 | jmp dbcblimitlno12 |
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412 | |||
413 | dbcblimitlset12: |
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414 | |||
415 | pop ecx |
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416 | pop eax |
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417 | push dword 1 |
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418 | |||
419 | dbcblimitlno12: |
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420 | |||
381 | serge | 421 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? |
1 | ha | 422 | jz dbpi24bit12 |
423 | jmp dbpi32bit12 |
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424 | |||
425 | |||
426 | ; DRAWBAR 24 BBP |
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427 | |||
428 | |||
429 | dbpi24bit12: |
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430 | |||
431 | push eax |
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432 | push ebx |
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433 | push edx |
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434 | mov eax,ecx |
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435 | mov ebx,3 |
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436 | div ebx |
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437 | mov ecx,eax |
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438 | pop edx |
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439 | pop ebx |
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440 | pop eax |
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441 | cld |
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442 | |||
443 | dbnewpi12: |
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444 | |||
445 | push ebx |
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446 | push edi |
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447 | push ecx |
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448 | |||
449 | xor edx,edx |
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450 | mov eax,edi |
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381 | serge | 451 | sub eax,[LFBAddress] |
1 | ha | 452 | mov ebx,3 |
453 | div ebx |
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454 | add eax,WinMapAddress |
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379 | serge | 455 | mov ebx,[CURRENT_TASK] |
1 | ha | 456 | cld |
457 | |||
458 | dbnp2412: |
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459 | |||
460 | mov dl,[eax] |
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461 | push eax |
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462 | push ecx |
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463 | cmp dl,bl |
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464 | jnz dbimp24no12 |
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465 | cmp [esp+5*4],dword 0 |
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466 | jz dbimp24yes12 |
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467 | ; call dbcplimit |
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468 | ; jnz dbimp24no12 |
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469 | |||
470 | dbimp24yes12: |
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471 | |||
472 | push edi |
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473 | mov eax,edi |
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381 | serge | 474 | sub eax,[LFBAddress] |
1 | ha | 475 | shr eax,16 |
476 | call set_bank |
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477 | and edi,0xffff |
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381 | serge | 478 | add edi,VGABasePtr |
1 | ha | 479 | mov eax,[esp+8+3*4+16+4+4] |
480 | stosw |
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481 | shr eax,16 |
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482 | stosb |
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483 | sti |
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484 | pop edi |
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485 | add edi,3 |
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486 | pop ecx |
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487 | pop eax |
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488 | inc eax |
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489 | loop dbnp2412 |
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490 | jmp dbnp24d12 |
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491 | |||
492 | dbimp24no12: |
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493 | |||
494 | pop ecx |
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495 | pop eax |
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496 | cld |
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497 | add edi,3 |
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498 | inc eax |
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499 | loop dbnp2412 |
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500 | |||
501 | dbnp24d12: |
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502 | |||
503 | mov eax,[esp+3*4+16+4] |
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504 | test eax,0x80000000 |
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505 | jz nodbgl2412 |
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506 | cmp al,0 |
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507 | jz nodbgl2412 |
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508 | dec eax |
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509 | mov [esp+3*4+16+4],eax |
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510 | |||
511 | nodbgl2412: |
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512 | |||
513 | pop ecx |
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514 | pop edi |
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515 | pop ebx |
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381 | serge | 516 | add edi,[BytesPerScanLine] |
1 | ha | 517 | dec ebx |
518 | jz dbnonewpi12 |
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519 | jmp dbnewpi12 |
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520 | |||
521 | dbnonewpi12: |
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522 | |||
523 | add esp,7*4 |
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524 | |||
525 | ret |
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526 | |||
527 | |||
528 | ; DRAWBAR 32 BBP |
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529 | |||
530 | |||
531 | dbpi32bit12: |
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532 | |||
533 | cld |
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534 | shr ecx,2 |
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535 | |||
536 | dbnewpi3212: |
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537 | |||
538 | push ebx |
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539 | push edi |
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540 | push ecx |
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541 | |||
542 | mov eax,edi |
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381 | serge | 543 | sub eax,[LFBAddress] |
1 | ha | 544 | shr eax,2 |
545 | add eax,WinMapAddress |
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379 | serge | 546 | mov ebx,[CURRENT_TASK] |
1 | ha | 547 | cld |
548 | |||
549 | dbnp3212: |
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550 | |||
551 | mov dl,[eax] |
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552 | push eax |
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553 | push ecx |
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554 | cmp dl,bl |
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555 | jnz dbimp32no12 |
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556 | cmp [esp+5*4],dword 0 |
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557 | jz dbimp32yes12 |
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558 | ; call dbcplimit |
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559 | ; jnz dbimp32no12 |
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560 | |||
561 | dbimp32yes12: |
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562 | |||
563 | push edi |
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564 | mov eax,edi |
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381 | serge | 565 | sub eax,[LFBAddress] |
1 | ha | 566 | shr eax,16 |
567 | call set_bank |
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568 | and edi,0xffff |
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381 | serge | 569 | add edi,VGABasePtr |
1 | ha | 570 | mov eax,[esp+8+3*4+16+4+4] |
571 | stosw |
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572 | shr eax,16 |
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573 | stosb |
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574 | sti |
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575 | pop edi |
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576 | add edi,4 |
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577 | inc ebp |
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578 | pop ecx |
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579 | pop eax |
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580 | inc eax |
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581 | loop dbnp3212 |
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582 | jmp dbnp32d12 |
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583 | |||
584 | dbimp32no12: |
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585 | |||
586 | pop ecx |
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587 | pop eax |
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588 | inc eax |
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589 | add edi,4 |
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590 | inc ebp |
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591 | loop dbnp3212 |
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592 | |||
593 | dbnp32d12: |
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594 | |||
595 | mov eax,[esp+12+16+4] |
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596 | test eax,0x80000000 |
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597 | jz nodbgl3212 |
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598 | cmp al,0 |
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599 | jz nodbgl3212 |
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600 | dec eax |
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601 | mov [esp+12+16+4],eax |
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602 | |||
603 | nodbgl3212: |
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604 | |||
605 | pop ecx |
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606 | pop edi |
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607 | pop ebx |
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381 | serge | 608 | add edi,[BytesPerScanLine] |
1 | ha | 609 | dec ebx |
610 | jz nodbnewpi3212 |
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611 | jmp dbnewpi3212 |
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612 | |||
613 | nodbnewpi3212: |
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614 | |||
615 | add esp,7*4 |
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616 | ret |
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617 | |||
618 | |||
619 | Vesa12_putpixel24: |
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620 | |||
621 | mov edi,eax ; x |
||
622 | mov eax,ebx ; y |
||
623 | lea edi,[edi+edi*2] |
||
381 | serge | 624 | mov ebx,[BytesPerScanLine] |
1 | ha | 625 | mul ebx |
626 | add edi,eax |
||
627 | mov eax,edi |
||
628 | shr eax,16 |
||
629 | call set_bank |
||
630 | and edi,65535 |
||
381 | serge | 631 | add edi,VGABasePtr |
1 | ha | 632 | mov eax,[esp+28] |
633 | stosw |
||
634 | shr eax,16 |
||
635 | mov [edi],al |
||
636 | sti |
||
637 | ret |
||
638 | |||
639 | |||
640 | |||
641 | Vesa12_putpixel32: |
||
642 | |||
643 | mov edi,eax ; x |
||
644 | mov eax,ebx ; y |
||
645 | shl edi,2 |
||
381 | serge | 646 | mov ebx,[BytesPerScanLine] |
1 | ha | 647 | mul ebx |
648 | add edi,eax |
||
649 | mov eax,edi |
||
650 | shr eax,16 |
||
651 | call set_bank |
||
652 | and edi,65535 |
||
381 | serge | 653 | add edi,VGABasePtr |
1 | ha | 654 | mov ecx,[esp+28] |
655 | mov [edi],ecx |
||
656 | sti |
||
657 | ret |
||
658 | |||
659 | |||
660 | Vesa12_getpixel24: |
||
661 | |||
662 | mov edi,eax ; x |
||
663 | mov eax,ebx ; y |
||
664 | lea edi,[edi+edi*2] |
||
381 | serge | 665 | mov ebx,[BytesPerScanLine] |
1 | ha | 666 | mul ebx |
667 | add edi,eax |
||
668 | mov eax,edi |
||
669 | shr eax,16 |
||
670 | call set_bank |
||
671 | and edi,65535 |
||
381 | serge | 672 | add edi,VGABasePtr |
1 | ha | 673 | mov ecx,[edi] |
674 | and ecx,255*256*256+255*256+255 |
||
675 | sti |
||
676 | ret |
||
677 | |||
678 | |||
679 | Vesa12_getpixel32: |
||
680 | |||
681 | mov edi,eax ; x |
||
682 | mov eax,ebx ; y |
||
683 | shl edi,2 |
||
381 | serge | 684 | mov ebx,[BytesPerScanLine] |
1 | ha | 685 | xor edx,edx |
686 | mul ebx |
||
687 | add edi,eax |
||
688 | mov eax,edi |
||
689 | shr eax,16 |
||
690 | call set_bank |
||
691 | and edi,65535 |
||
381 | serge | 692 | add edi,VGABasePtr |
1 | ha | 693 | mov ecx,[edi] |
694 | and ecx,255*256*256+255*256+255 |
||
695 | sti |
||
696 | |||
697 | ret |
||
698 | |||
699 | |||
700 | |||
701 | vesa12_putimage: |
||
283 | diamond | 702 | ; ebx = pointer to image |
703 | ; ecx = size [x|y] |
||
704 | ; edx = coordinates [x|y] |
||
705 | ; ebp = pointer to 'get' function |
||
706 | ; esi = pointer to 'init' function |
||
707 | ; edi = parameter for 'get' function |
||
1 | ha | 708 | |
709 | ; mov ebx,image |
||
710 | ; mov ecx,320*65536+240 |
||
711 | ; mov edx,20*65536+20 |
||
712 | |||
713 | call [disable_mouse] |
||
714 | |||
715 | mov [novesachecksum],dword 0 |
||
716 | push esi |
||
717 | push edi |
||
718 | push eax |
||
719 | push ebx |
||
720 | push ecx |
||
721 | push edx |
||
722 | movzx eax,word [esp+2] |
||
723 | movzx ebx,word [esp+0] |
||
379 | serge | 724 | mov ecx,[TASK_BASE] |
115 | poddubny | 725 | add eax,[ecx-twdw+WDATA.box.left] |
726 | add ebx,[ecx-twdw+WDATA.box.top] |
||
1 | ha | 727 | push eax |
728 | mov eax,ebx ; y |
||
381 | serge | 729 | mul dword [BytesPerScanLine] |
1 | ha | 730 | pop ecx |
731 | add eax,ecx ; x |
||
732 | add eax,ecx |
||
733 | add eax,ecx |
||
381 | serge | 734 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start |
1 | ha | 735 | jz pi2412 |
736 | add eax,ecx |
||
737 | |||
738 | pi2412: |
||
739 | |||
381 | serge | 740 | add eax,[LFBAddress] |
1 | ha | 741 | mov edi,eax |
742 | |||
743 | ; x size |
||
744 | |||
283 | diamond | 745 | movzx ecx,word [esp+6] |
1 | ha | 746 | |
747 | mov esi,[esp+8] |
||
748 | movzx ebx,word [esp+4] |
||
749 | |||
750 | ; check limits while draw ? |
||
751 | |||
752 | push ecx |
||
379 | serge | 753 | mov eax,[TASK_BASE] |
754 | cmp dword [eax+draw_data-CURRENT_TASK+RECT.left], 0 |
||
1 | ha | 755 | jnz dbcblimitlset212 |
379 | serge | 756 | cmp dword [eax+draw_data-CURRENT_TASK+RECT.top], 0 |
1 | ha | 757 | jnz dbcblimitlset212 |
379 | serge | 758 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right] |
381 | serge | 759 | cmp ecx,[ScreenWidth] |
1 | ha | 760 | jnz dbcblimitlset212 |
379 | serge | 761 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom] |
381 | serge | 762 | cmp ecx,[ScreenHeight] |
1 | ha | 763 | jnz dbcblimitlset212 |
764 | pop ecx |
||
283 | diamond | 765 | push 0 |
1 | ha | 766 | jmp dbcblimitlno212 |
767 | |||
768 | dbcblimitlset212: |
||
769 | |||
770 | pop ecx |
||
283 | diamond | 771 | push 1 |
1 | ha | 772 | |
773 | dbcblimitlno212: |
||
774 | |||
381 | serge | 775 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? |
283 | diamond | 776 | jnz pi32bit12 |
1 | ha | 777 | |
778 | pi24bit12: |
||
779 | |||
780 | newpi12: |
||
781 | |||
782 | push edi |
||
783 | push ecx |
||
784 | push ebx |
||
785 | |||
283 | diamond | 786 | mov edx,edi |
381 | serge | 787 | sub edx,[LFBAddress] |
1 | ha | 788 | mov ebx,3 |
789 | div ebx |
||
283 | diamond | 790 | add edx,WinMapAddress |
379 | serge | 791 | mov ebx,[CURRENT_TASK] |
283 | diamond | 792 | mov bh,[esp+4*3] |
1 | ha | 793 | |
794 | np2412: |
||
795 | |||
283 | diamond | 796 | cmp bl,[edx] |
1 | ha | 797 | jnz imp24no12 |
283 | diamond | 798 | ; mov eax,[esi] |
799 | push dword [esp+4*3+20] |
||
800 | call ebp |
||
801 | ; cmp bh,0 |
||
802 | ; jz imp24yes12 |
||
1 | ha | 803 | ; call dbcplimit |
804 | ; jnz imp24no12 |
||
805 | |||
806 | imp24yes12: |
||
807 | |||
283 | diamond | 808 | push edi |
1 | ha | 809 | push eax |
810 | mov eax,edi |
||
381 | serge | 811 | sub eax,[LFBAddress] |
1 | ha | 812 | shr eax,16 |
813 | call set_bank |
||
283 | diamond | 814 | pop eax |
1 | ha | 815 | and edi,0xffff |
381 | serge | 816 | add edi,VGABasePtr |
283 | diamond | 817 | mov [edi],ax |
818 | shr eax,16 |
||
819 | mov [edi+2],al |
||
1 | ha | 820 | pop edi |
821 | |||
822 | imp24no12: |
||
823 | |||
283 | diamond | 824 | inc edx |
825 | ; add esi,3 |
||
1 | ha | 826 | add edi,3 |
827 | dec ecx |
||
828 | jnz np2412 |
||
829 | |||
830 | np24d12: |
||
831 | |||
832 | pop ebx |
||
833 | pop ecx |
||
834 | pop edi |
||
835 | |||
381 | serge | 836 | add edi,[BytesPerScanLine] |
314 | diamond | 837 | add esi,[esp+32] |
1 | ha | 838 | dec ebx |
283 | diamond | 839 | jnz newpi12 |
1 | ha | 840 | |
841 | nonewpi12: |
||
842 | |||
283 | diamond | 843 | pop eax edx ecx ebx eax edi esi |
844 | xor eax, eax |
||
845 | ret |
||
1 | ha | 846 | |
847 | |||
848 | pi32bit12: |
||
849 | |||
850 | newpi3212: |
||
851 | |||
852 | push edi |
||
853 | push ecx |
||
854 | push ebx |
||
855 | |||
283 | diamond | 856 | mov edx,edi |
381 | serge | 857 | sub edx,[LFBAddress] |
283 | diamond | 858 | shr edx,2 |
859 | add edx,WinMapAddress |
||
379 | serge | 860 | mov ebx,[CURRENT_TASK] |
283 | diamond | 861 | mov bh,[esp+4*3] |
1 | ha | 862 | |
863 | np3212: |
||
864 | |||
283 | diamond | 865 | cmp bl,[edx] |
1 | ha | 866 | jnz imp32no12 |
283 | diamond | 867 | ; mov eax,[esi] |
868 | push dword [esp+4*3+20] |
||
869 | call ebp |
||
870 | ; cmp bh,0 |
||
871 | ; jz imp32yes12 |
||
1 | ha | 872 | ; call dbcplimit |
873 | ; jnz imp32no12 |
||
874 | |||
875 | imp32yes12: |
||
876 | |||
283 | diamond | 877 | push edi |
1 | ha | 878 | push eax |
879 | mov eax,edi |
||
381 | serge | 880 | sub eax,[LFBAddress] |
1 | ha | 881 | shr eax,16 |
882 | call set_bank |
||
283 | diamond | 883 | pop eax |
1 | ha | 884 | and edi,0xffff |
381 | serge | 885 | mov [edi+VGABasePtr],eax |
1 | ha | 886 | pop edi |
887 | |||
888 | imp32no12: |
||
889 | |||
283 | diamond | 890 | inc edx |
891 | ; add esi,3 |
||
1 | ha | 892 | add edi,4 |
893 | dec ecx |
||
894 | jnz np3212 |
||
895 | |||
896 | np32d12: |
||
897 | |||
898 | pop ebx |
||
899 | pop ecx |
||
900 | pop edi |
||
901 | |||
381 | serge | 902 | add edi,[BytesPerScanLine] |
1 | ha | 903 | dec ebx |
283 | diamond | 904 | jnz newpi3212 |
1 | ha | 905 | |
906 | nonewpi3212: |
||
907 | |||
283 | diamond | 908 | pop eax edx ecx ebx eax edi esi |
909 | xor eax, eax |
||
910 | ret |
||
1 | ha | 911 | |
912 | |||
913 | vesa12_read_screen_pixel: |
||
914 | |||
915 | and eax,0x3FFFFF |
||
381 | serge | 916 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? |
1 | ha | 917 | jz v12rsp24 |
918 | mov edi,eax |
||
919 | shl edi,2 |
||
920 | mov eax,edi |
||
921 | shr eax,16 |
||
922 | call set_bank |
||
923 | and edi,65535 |
||
381 | serge | 924 | add edi,VGABasePtr |
1 | ha | 925 | mov eax,[edi] |
926 | and eax,0x00ffffff |
||
927 | ret |
||
928 | v12rsp24: |
||
929 | |||
930 | imul eax,3 |
||
931 | mov edi,eax |
||
932 | shr eax,16 |
||
933 | call set_bank |
||
934 | and edi,65535 |
||
381 | serge | 935 | add edi,VGABasePtr |
1 | ha | 936 | mov eax,[edi] |
937 | and eax,0x00ffffff |
||
938 | ret |
||
939 |