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Rev | Author | Line No. | Line |
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1159 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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5 | ;; ;; |
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6 | ;; VESA12.INC ;; |
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7 | ;; ;; |
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8 | ;; Vesa 1.2 functions for MenuetOS ;; |
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9 | ;; ;; |
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10 | ;; Copyright 2002 Ville Turjanmaa ;; |
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11 | ;; ;; |
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12 | ;; quickcode@mail.ru - bankswitch for S3 cards ;; |
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13 | ;; ;; |
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14 | ;; See file COPYING for details ;; |
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15 | ;; ;; |
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16 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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17 | |||
1206 | hidnplayr | 18 | $Revision: 1206 $ |
1159 | hidnplayr | 19 | |
20 | |||
21 | TRIDENT equ 0 |
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22 | S3_VIDEO equ 0 |
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23 | INTEL_VIDEO equ 0 |
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24 | |||
25 | if TRIDENT |
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26 | if S3_VIDEO or INTEL_VIDEO |
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27 | stop |
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28 | end if |
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29 | end if |
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30 | |||
31 | if S3_VIDEO |
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32 | if TRIDENT or INTEL_VIDEO |
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33 | stop |
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34 | end if |
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35 | end if |
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36 | |||
37 | if INTEL_VIDEO |
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38 | if S3_VIDEO or TRIDENT |
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39 | stop |
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40 | end if |
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41 | end if |
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42 | |||
43 | |||
44 | ; A complete video driver should include the following types of function |
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45 | ; |
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46 | ; Putpixel |
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47 | ; Getpixel |
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48 | ; |
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49 | ; Drawimage |
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50 | ; Drawbar |
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51 | ; |
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52 | ; Drawbackground |
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53 | ; |
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54 | ; |
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55 | ; Modifying the set_bank -function is mostly enough |
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56 | ; for different Vesa 1.2 setups. |
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57 | |||
58 | ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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59 | ; set_bank for Trident videocards, work on Trident 9440 |
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60 | ; modified by Mario79 |
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61 | |||
62 | if TRIDENT |
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63 | set_bank: |
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64 | pushfd |
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65 | cli |
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66 | cmp al,[BANK_RW] |
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67 | je .retsb |
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68 | |||
69 | mov [BANK_RW],al |
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70 | push dx |
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71 | mov dx,3D8h |
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72 | out dx,al |
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73 | pop dx |
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74 | .retsb: |
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75 | popfd |
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76 | ret |
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77 | end if |
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78 | |||
79 | ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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80 | ; set_bank for S3 videocards, work on S3 ViRGE PCI (325) |
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81 | ; modified by kmeaw |
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82 | |||
83 | if S3_VIDEO |
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84 | set_bank: |
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85 | pushfd |
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86 | cli |
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87 | cmp al,[BANK_RW] |
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88 | je .retsb |
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89 | |||
90 | mov [BANK_RW],al |
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91 | push ax |
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92 | push dx |
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93 | push cx |
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94 | mov cl, al |
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95 | mov dx, 0x3D4 |
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96 | mov al, 0x38 |
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97 | out dx, al ;CR38 Register Lock 1 ;Note: Traditionally 48h is used to |
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98 | ;unlock and 00h to lock |
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99 | inc dx |
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100 | mov al, 0x48 |
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101 | out dx, al ;3d5 -? |
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102 | dec dx |
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103 | mov al, 0x31 |
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104 | out dx, al ;CR31 Memory Configuration Register |
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105 | ;0 Enable Base Address Offset (CPUA BASE). Enables bank operation if set, ;disables if clear. |
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106 | ;4-5 Bit 16-17 of the Display Start Address. For the 801/5,928 see index 51h, |
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107 | ;for the 864/964 see index 69h. |
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108 | |||
109 | inc dx |
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110 | in al, dx |
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111 | dec dx |
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112 | mov ah, al |
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113 | mov al, 0x31 |
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114 | out dx, ax |
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115 | mov al, ah |
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116 | or al, 9 |
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117 | inc dx |
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118 | out dx, al |
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119 | dec dx |
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120 | mov al, 0x35 |
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121 | out dx, al ;CR35 CRT Register Lock |
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122 | inc dx |
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123 | in al, dx |
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124 | dec dx |
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125 | and al, 0xF0 |
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126 | mov ch, cl |
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127 | and ch, 0x0F |
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128 | or ch, al |
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129 | mov al, 0x35 |
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130 | out dx, al |
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131 | inc dx |
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132 | mov al, ch |
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133 | out dx, ax |
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134 | dec dx |
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135 | mov al, 0x51 ;Extended System Control 2 Register |
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136 | out dx, al |
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137 | inc dx |
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138 | in al, dx |
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139 | dec dx |
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140 | and al, 0xF3 |
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141 | shr cl, 2 |
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142 | and cl, 0x0C |
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143 | or cl, al |
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144 | mov al, 0x51 |
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145 | out dx, al |
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146 | inc dx |
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147 | mov al, cl |
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148 | out dx, al |
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149 | dec dx |
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150 | mov al, 0x38 |
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151 | out dx, al |
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152 | inc dx |
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153 | xor al, al |
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154 | out dx, al |
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155 | dec dx |
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156 | pop cx |
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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 | popfd |
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161 | ret |
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162 | end if |
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163 | |||
164 | ;Set bank function for Intel 810/815 chipsets |
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165 | ; *****Modified by Protopopius, Russia.***** |
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166 | ; ********* http://menuetos.hut.ru ************** |
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167 | ; ************************************************ |
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168 | |||
169 | if INTEL_VIDEO |
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170 | |||
171 | set_bank: |
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172 | pushfd |
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173 | cli |
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174 | |||
175 | cmp al,[BANK_RW] |
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176 | je .retsb |
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177 | |||
178 | mov [BANK_RW],al |
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179 | push ax |
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180 | push dx |
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181 | mov dx,3CEh |
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182 | mov ah,al ; Save value for later use |
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183 | mov al,10h ; Index GR10 (Address Mapping) |
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184 | out dx,al ; Select GR10 |
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185 | inc dl |
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186 | mov al,3 ; Set bits 0 and 1 (Enable linear page mapping) |
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187 | out dx,al ; Write value |
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188 | dec dl |
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189 | mov al,11h ; Index GR11 (Page Selector) |
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190 | out dx,al ; Select GR11 |
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191 | inc dl |
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192 | mov al,ah ; Write address |
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193 | out dx,al ; Write the value |
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194 | pop dx |
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195 | pop ax |
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196 | .retsb: |
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197 | popfd |
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198 | ret |
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199 | end if |
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200 | |||
201 | ;!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!} |
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202 | |||
203 | if (TRIDENT or S3_VIDEO or INTEL_VIDEO) |
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204 | else |
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205 | set_bank: |
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206 | pushfd |
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207 | cli |
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208 | |||
209 | cmp al,[BANK_RW] |
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210 | je .retsb |
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211 | |||
212 | mov [BANK_RW],al |
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213 | push ax |
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214 | push dx |
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215 | mov ah,al |
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216 | mov dx,0x03D4 |
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217 | mov al,0x39 |
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218 | out dx,al |
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219 | inc dl |
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220 | mov al,0xA5 |
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221 | out dx,al |
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222 | dec dl |
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223 | mov al,6Ah |
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224 | out dx,al |
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225 | inc dl |
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226 | mov al,ah |
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227 | out dx,al |
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228 | dec dl |
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229 | mov al,0x39 |
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230 | out dx,al |
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231 | inc dl |
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232 | mov al,0x5A |
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233 | out dx,al |
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234 | dec dl |
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235 | pop dx |
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236 | pop ax |
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237 | |||
238 | .retsb: |
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239 | popfd |
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240 | ret |
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241 | end if |
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242 | |||
243 | vesa12_drawbackground: |
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244 | |||
245 | call [disable_mouse] |
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246 | |||
247 | push eax |
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248 | push ebx |
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249 | push ecx |
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250 | push edx |
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251 | |||
252 | xor edx,edx |
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253 | mov eax,dword[BgrDataWidth] |
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254 | mov ebx,dword[BgrDataHeight] |
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255 | mul ebx |
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256 | mov ebx,3 |
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257 | mul ebx |
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258 | mov [imax],eax |
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259 | mov eax,[draw_data+32+RECT.left] |
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260 | mov ebx,[draw_data+32+RECT.top] |
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261 | mov edi,0 ;no force |
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262 | |||
263 | v12dp3: |
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264 | |||
265 | push eax |
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266 | push ebx |
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267 | |||
268 | cmp [BgrDrawMode],dword 1 ; tiled background |
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269 | jne no_vesa12_tiled_bgr |
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270 | |||
271 | push edx |
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272 | |||
273 | xor edx,edx |
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274 | div dword [BgrDataWidth] |
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275 | |||
276 | push edx |
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277 | mov eax,ebx |
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278 | xor edx,edx |
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279 | div dword [BgrDataHeight] |
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280 | mov ebx,edx |
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281 | pop eax |
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282 | |||
283 | pop edx |
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284 | |||
285 | no_vesa12_tiled_bgr: |
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286 | |||
287 | cmp [BgrDrawMode],dword 2 ; stretched background |
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288 | jne no_vesa12_stretched_bgr |
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289 | |||
290 | push edx |
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291 | |||
292 | mul dword [BgrDataWidth] |
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293 | mov ecx,[Screen_Max_X] |
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294 | inc ecx |
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295 | div ecx |
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296 | |||
297 | push eax |
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298 | mov eax,ebx |
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299 | mul dword [BgrDataHeight] |
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300 | mov ecx,[Screen_Max_Y] |
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301 | inc ecx |
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302 | div ecx |
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303 | mov ebx,eax |
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304 | pop eax |
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305 | |||
306 | pop edx |
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307 | |||
308 | no_vesa12_stretched_bgr: |
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309 | |||
310 | |||
311 | mov esi,ebx |
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312 | imul esi, dword [BgrDataWidth] |
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313 | add esi,eax |
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314 | lea esi,[esi*3] |
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315 | add esi,[img_background] ;IMG_BACKGROUND |
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316 | pop ebx |
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317 | pop eax |
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318 | |||
319 | v12di4: |
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320 | |||
321 | mov cl,[esi+2] |
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322 | shl ecx,16 |
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323 | mov cx,[esi] |
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324 | pusha |
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325 | mov esi,eax |
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326 | mov edi,ebx |
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327 | mov eax,[Screen_Max_X] |
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328 | add eax,1 |
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329 | mul ebx |
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330 | cmp [eax+esi+WinMapAddress],byte 1 |
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331 | jnz v12nbgp |
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332 | mov eax,[BytesPerScanLine] |
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333 | mov ebx,edi |
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334 | mul ebx |
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335 | add eax, esi |
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336 | lea eax, [VGABasePtr+eax+esi*2] |
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337 | cmp [ScreenBPP],byte 24 |
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338 | jz v12bgl3 |
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339 | add eax,esi |
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340 | |||
341 | v12bgl3: |
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342 | |||
343 | push ebx |
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344 | push eax |
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345 | |||
346 | sub eax,VGABasePtr |
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347 | |||
348 | shr eax,16 |
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349 | call set_bank |
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350 | pop eax |
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351 | and eax,65535 |
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352 | add eax,VGABasePtr |
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353 | pop ebx |
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354 | |||
355 | mov [eax],cx |
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356 | add eax,2 |
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357 | shr ecx,16 |
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358 | mov [eax],cl |
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359 | sti |
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360 | |||
361 | v12nbgp: |
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362 | |||
363 | popa |
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364 | add esi,3 |
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365 | inc eax |
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366 | cmp eax,[draw_data+32+RECT.right] |
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367 | jg v12nodp31 |
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368 | jmp v12dp3 |
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369 | |||
370 | v12nodp31: |
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371 | |||
372 | mov eax,[draw_data+32+RECT.left] |
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373 | inc ebx |
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374 | cmp ebx,[draw_data+32+RECT.bottom] |
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375 | jg v12dp4 |
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376 | jmp v12dp3 |
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377 | |||
378 | v12dp4: |
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379 | |||
380 | pop edx |
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381 | pop ecx |
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382 | pop ebx |
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383 | pop eax |
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384 | ret |
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385 | |||
386 | |||
387 | vesa12_drawbar: |
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388 | |||
389 | call [disable_mouse] |
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390 | |||
391 | ;; mov [novesachecksum],dword 0 |
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392 | sub edx,ebx |
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393 | sub ecx,eax |
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394 | push esi |
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395 | push edi |
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396 | push eax |
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397 | push ebx |
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398 | push ecx |
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399 | push edx |
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400 | mov ecx,[TASK_BASE] |
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401 | add eax,[ecx-twdw+WDATA.box.left] |
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402 | add ebx,[ecx-twdw+WDATA.box.top] |
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403 | push eax |
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404 | mov eax,ebx ; y |
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405 | mov ebx,[BytesPerScanLine] |
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406 | mul ebx |
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407 | pop ecx |
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408 | add eax,ecx ; x |
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409 | add eax,ecx |
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410 | add eax,ecx |
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411 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start |
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412 | jz dbpi2412 |
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413 | add eax,ecx |
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414 | |||
415 | dbpi2412: |
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416 | |||
417 | add eax,VGABasePtr |
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418 | mov edi,eax |
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419 | |||
420 | ; x size |
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421 | |||
422 | mov eax,[esp+4] ; [esp+6] |
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423 | mov ecx,eax |
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424 | add ecx,eax |
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425 | add ecx,eax |
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426 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x size |
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427 | jz dbpi24312 |
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428 | add ecx,eax |
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429 | |||
430 | dbpi24312: |
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431 | |||
432 | mov ebx,[esp+0] |
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433 | |||
434 | ; check limits ? |
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435 | |||
436 | push eax |
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437 | push ecx |
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438 | mov eax,[TASK_BASE] |
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439 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.left] |
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440 | cmp ecx,0 |
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441 | jnz dbcblimitlset12 |
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442 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.top] |
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443 | cmp ecx,0 |
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444 | jnz dbcblimitlset12 |
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445 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right] |
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446 | cmp ecx,[Screen_Max_X] |
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447 | jnz dbcblimitlset12 |
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448 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom] |
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449 | cmp ecx,[Screen_Max_Y] |
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450 | jnz dbcblimitlset12 |
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451 | pop ecx |
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452 | pop eax |
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453 | push dword 0 |
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454 | jmp dbcblimitlno12 |
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455 | |||
456 | dbcblimitlset12: |
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457 | |||
458 | pop ecx |
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459 | pop eax |
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460 | push dword 1 |
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461 | |||
462 | dbcblimitlno12: |
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463 | |||
464 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? |
||
465 | jz dbpi24bit12 |
||
466 | jmp dbpi32bit12 |
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467 | |||
468 | |||
469 | ; DRAWBAR 24 BBP |
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470 | |||
471 | |||
472 | dbpi24bit12: |
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473 | |||
474 | push eax |
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475 | push ebx |
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476 | push edx |
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477 | mov eax,ecx |
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478 | mov ebx,3 |
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479 | div ebx |
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480 | mov ecx,eax |
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481 | pop edx |
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482 | pop ebx |
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483 | pop eax |
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484 | cld |
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485 | |||
486 | dbnewpi12: |
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487 | |||
488 | push ebx |
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489 | push edi |
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490 | push ecx |
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491 | |||
492 | xor edx,edx |
||
493 | mov eax,edi |
||
494 | sub eax,VGABasePtr |
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495 | mov ebx,3 |
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496 | div ebx |
||
497 | add eax,WinMapAddress |
||
498 | mov ebx,[CURRENT_TASK] |
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499 | cld |
||
500 | |||
501 | dbnp2412: |
||
502 | |||
503 | mov dl,[eax] |
||
504 | push eax |
||
505 | push ecx |
||
506 | cmp dl,bl |
||
507 | jnz dbimp24no12 |
||
508 | cmp [esp+5*4],dword 0 |
||
509 | jz dbimp24yes12 |
||
510 | ; call dbcplimit |
||
511 | ; jnz dbimp24no12 |
||
512 | |||
513 | dbimp24yes12: |
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514 | |||
515 | push edi |
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516 | mov eax,edi |
||
517 | sub eax,VGABasePtr |
||
518 | shr eax,16 |
||
519 | call set_bank |
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520 | and edi,0xffff |
||
521 | add edi,VGABasePtr |
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522 | mov eax,[esp+8+3*4+16+4+4] |
||
523 | stosw |
||
524 | shr eax,16 |
||
525 | stosb |
||
526 | sti |
||
527 | pop edi |
||
528 | add edi,3 |
||
529 | pop ecx |
||
530 | pop eax |
||
531 | inc eax |
||
532 | loop dbnp2412 |
||
533 | jmp dbnp24d12 |
||
534 | |||
535 | dbimp24no12: |
||
536 | |||
537 | pop ecx |
||
538 | pop eax |
||
539 | cld |
||
540 | add edi,3 |
||
541 | inc eax |
||
542 | loop dbnp2412 |
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543 | |||
544 | dbnp24d12: |
||
545 | |||
546 | mov eax,[esp+3*4+16+4] |
||
547 | test eax,0x80000000 |
||
548 | jz nodbgl2412 |
||
549 | cmp al,0 |
||
550 | jz nodbgl2412 |
||
551 | dec eax |
||
552 | mov [esp+3*4+16+4],eax |
||
553 | |||
554 | nodbgl2412: |
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555 | |||
556 | pop ecx |
||
557 | pop edi |
||
558 | pop ebx |
||
559 | add edi,[BytesPerScanLine] |
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560 | dec ebx |
||
561 | jz dbnonewpi12 |
||
562 | jmp dbnewpi12 |
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563 | |||
564 | dbnonewpi12: |
||
565 | |||
566 | add esp,7*4 |
||
567 | |||
568 | ret |
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569 | |||
570 | |||
571 | ; DRAWBAR 32 BBP |
||
572 | |||
573 | |||
574 | dbpi32bit12: |
||
575 | |||
576 | cld |
||
577 | shr ecx,2 |
||
578 | |||
579 | dbnewpi3212: |
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580 | |||
581 | push ebx |
||
582 | push edi |
||
583 | push ecx |
||
584 | |||
585 | mov eax,edi |
||
586 | sub eax,VGABasePtr |
||
587 | shr eax,2 |
||
588 | add eax,WinMapAddress |
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589 | mov ebx,[CURRENT_TASK] |
||
590 | cld |
||
591 | |||
592 | dbnp3212: |
||
593 | |||
594 | mov dl,[eax] |
||
595 | push eax |
||
596 | push ecx |
||
597 | cmp dl,bl |
||
598 | jnz dbimp32no12 |
||
599 | cmp [esp+5*4],dword 0 |
||
600 | jz dbimp32yes12 |
||
601 | ; call dbcplimit |
||
602 | ; jnz dbimp32no12 |
||
603 | |||
604 | dbimp32yes12: |
||
605 | |||
606 | push edi |
||
607 | mov eax,edi |
||
608 | sub eax,VGABasePtr |
||
609 | shr eax,16 |
||
610 | call set_bank |
||
611 | and edi,0xffff |
||
612 | add edi,VGABasePtr |
||
613 | mov eax,[esp+8+3*4+16+4+4] |
||
614 | stosw |
||
615 | shr eax,16 |
||
616 | stosb |
||
617 | sti |
||
618 | pop edi |
||
619 | add edi,4 |
||
620 | inc ebp |
||
621 | pop ecx |
||
622 | pop eax |
||
623 | inc eax |
||
624 | loop dbnp3212 |
||
625 | jmp dbnp32d12 |
||
626 | |||
627 | dbimp32no12: |
||
628 | |||
629 | pop ecx |
||
630 | pop eax |
||
631 | inc eax |
||
632 | add edi,4 |
||
633 | inc ebp |
||
634 | loop dbnp3212 |
||
635 | |||
636 | dbnp32d12: |
||
637 | |||
638 | mov eax,[esp+12+16+4] |
||
639 | test eax,0x80000000 |
||
640 | jz nodbgl3212 |
||
641 | cmp al,0 |
||
642 | jz nodbgl3212 |
||
643 | dec eax |
||
644 | mov [esp+12+16+4],eax |
||
645 | |||
646 | nodbgl3212: |
||
647 | |||
648 | pop ecx |
||
649 | pop edi |
||
650 | pop ebx |
||
651 | add edi,[BytesPerScanLine] |
||
652 | dec ebx |
||
653 | jz nodbnewpi3212 |
||
654 | jmp dbnewpi3212 |
||
655 | |||
656 | nodbnewpi3212: |
||
657 | |||
658 | add esp,7*4 |
||
659 | ret |
||
660 | |||
661 | |||
662 | Vesa12_putpixel24: |
||
663 | |||
664 | mov edi,eax ; x |
||
665 | mov eax,ebx ; y |
||
666 | lea edi,[edi+edi*2] |
||
667 | mov ebx,[BytesPerScanLine] |
||
668 | mul ebx |
||
669 | add edi,eax |
||
670 | mov eax,edi |
||
671 | shr eax,16 |
||
672 | call set_bank |
||
673 | and edi,65535 |
||
674 | add edi,VGABasePtr |
||
675 | mov eax,[esp+28] |
||
676 | stosw |
||
677 | shr eax,16 |
||
678 | mov [edi],al |
||
679 | sti |
||
680 | ret |
||
681 | |||
682 | |||
683 | |||
684 | Vesa12_putpixel32: |
||
685 | |||
686 | mov edi,eax ; x |
||
687 | mov eax,ebx ; y |
||
688 | shl edi,2 |
||
689 | mov ebx,[BytesPerScanLine] |
||
690 | mul ebx |
||
691 | add edi,eax |
||
692 | mov eax,edi |
||
693 | shr eax,16 |
||
694 | call set_bank |
||
695 | and edi,65535 |
||
696 | add edi,VGABasePtr |
||
697 | mov ecx,[esp+28] |
||
698 | mov [edi],ecx |
||
699 | sti |
||
700 | ret |
||
701 | |||
702 | |||
703 | Vesa12_getpixel24: |
||
704 | |||
705 | mov edi,eax ; x |
||
706 | mov eax,ebx ; y |
||
707 | lea edi,[edi+edi*2] |
||
708 | mov ebx,[BytesPerScanLine] |
||
709 | mul ebx |
||
710 | add edi,eax |
||
711 | mov eax,edi |
||
712 | shr eax,16 |
||
713 | call set_bank |
||
714 | and edi,65535 |
||
715 | add edi,VGABasePtr |
||
716 | mov ecx,[edi] |
||
717 | and ecx,255*256*256+255*256+255 |
||
718 | sti |
||
719 | ret |
||
720 | |||
721 | |||
722 | Vesa12_getpixel32: |
||
723 | |||
724 | mov edi,eax ; x |
||
725 | mov eax,ebx ; y |
||
726 | shl edi,2 |
||
727 | mov ebx,[BytesPerScanLine] |
||
728 | xor edx,edx |
||
729 | mul ebx |
||
730 | add edi,eax |
||
731 | mov eax,edi |
||
732 | shr eax,16 |
||
733 | call set_bank |
||
734 | and edi,65535 |
||
735 | add edi,VGABasePtr |
||
736 | mov ecx,[edi] |
||
737 | and ecx,255*256*256+255*256+255 |
||
738 | sti |
||
739 | |||
740 | ret |
||
741 | |||
742 | |||
743 | |||
744 | vesa12_putimage: |
||
745 | ; ebx = pointer to image |
||
746 | ; ecx = size [x|y] |
||
747 | ; edx = coordinates [x|y] |
||
748 | ; ebp = pointer to 'get' function |
||
749 | ; esi = pointer to 'init' function |
||
750 | ; edi = parameter for 'get' function |
||
751 | |||
752 | ; mov ebx,image |
||
753 | ; mov ecx,320*65536+240 |
||
754 | ; mov edx,20*65536+20 |
||
755 | |||
756 | call [disable_mouse] |
||
757 | |||
758 | mov [novesachecksum],dword 0 |
||
759 | push esi |
||
760 | push edi |
||
761 | push eax |
||
762 | push ebx |
||
763 | push ecx |
||
764 | push edx |
||
765 | movzx eax,word [esp+2] |
||
766 | movzx ebx,word [esp+0] |
||
767 | mov ecx,[TASK_BASE] |
||
768 | add eax,[ecx-twdw+WDATA.box.left] |
||
769 | add ebx,[ecx-twdw+WDATA.box.top] |
||
770 | push eax |
||
771 | mov eax,ebx ; y |
||
772 | mul dword [BytesPerScanLine] |
||
773 | pop ecx |
||
774 | add eax,ecx ; x |
||
775 | add eax,ecx |
||
776 | add eax,ecx |
||
777 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? - x start |
||
778 | jz pi2412 |
||
779 | add eax,ecx |
||
780 | |||
781 | pi2412: |
||
782 | |||
783 | add eax,VGABasePtr |
||
784 | mov edi,eax |
||
785 | |||
786 | ; x size |
||
787 | |||
788 | movzx ecx,word [esp+6] |
||
789 | |||
790 | mov esi,[esp+8] |
||
791 | movzx ebx,word [esp+4] |
||
792 | |||
793 | ; check limits while draw ? |
||
794 | |||
795 | push ecx |
||
796 | mov eax,[TASK_BASE] |
||
797 | cmp dword [eax+draw_data-CURRENT_TASK+RECT.left], 0 |
||
798 | jnz dbcblimitlset212 |
||
799 | cmp dword [eax+draw_data-CURRENT_TASK+RECT.top], 0 |
||
800 | jnz dbcblimitlset212 |
||
801 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.right] |
||
802 | cmp ecx,[Screen_Max_X] |
||
803 | jnz dbcblimitlset212 |
||
804 | mov ecx,[eax+draw_data-CURRENT_TASK+RECT.bottom] |
||
805 | cmp ecx,[Screen_Max_Y] |
||
806 | jnz dbcblimitlset212 |
||
807 | pop ecx |
||
808 | push 0 |
||
809 | jmp dbcblimitlno212 |
||
810 | |||
811 | dbcblimitlset212: |
||
812 | |||
813 | pop ecx |
||
814 | push 1 |
||
815 | |||
816 | dbcblimitlno212: |
||
817 | |||
818 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? |
||
819 | jnz pi32bit12 |
||
820 | |||
821 | pi24bit12: |
||
822 | |||
823 | newpi12: |
||
824 | |||
825 | push edi |
||
826 | push ecx |
||
827 | push ebx |
||
828 | |||
829 | mov edx,edi |
||
830 | sub edx,VGABasePtr |
||
831 | mov ebx,3 |
||
832 | div ebx |
||
833 | add edx,WinMapAddress |
||
834 | mov ebx,[CURRENT_TASK] |
||
835 | mov bh,[esp+4*3] |
||
836 | |||
837 | np2412: |
||
838 | |||
839 | cmp bl,[edx] |
||
840 | jnz imp24no12 |
||
841 | ; mov eax,[esi] |
||
842 | push dword [esp+4*3+20] |
||
843 | call ebp |
||
844 | ; cmp bh,0 |
||
845 | ; jz imp24yes12 |
||
846 | ; call dbcplimit |
||
847 | ; jnz imp24no12 |
||
848 | |||
849 | imp24yes12: |
||
850 | |||
851 | push edi |
||
852 | push eax |
||
853 | mov eax,edi |
||
854 | sub eax,VGABasePtr |
||
855 | shr eax,16 |
||
856 | call set_bank |
||
857 | pop eax |
||
858 | and edi,0xffff |
||
859 | add edi,VGABasePtr |
||
860 | mov [edi],ax |
||
861 | shr eax,16 |
||
862 | mov [edi+2],al |
||
863 | pop edi |
||
864 | |||
865 | imp24no12: |
||
866 | |||
867 | inc edx |
||
868 | ; add esi,3 |
||
869 | add edi,3 |
||
870 | dec ecx |
||
871 | jnz np2412 |
||
872 | |||
873 | np24d12: |
||
874 | |||
875 | pop ebx |
||
876 | pop ecx |
||
877 | pop edi |
||
878 | |||
879 | add edi,[BytesPerScanLine] |
||
880 | add esi,[esp+32] |
||
881 | cmp ebp,putimage_get1bpp |
||
882 | jz .correct |
||
883 | cmp ebp,putimage_get2bpp |
||
884 | jz .correct |
||
885 | cmp ebp,putimage_get4bpp |
||
886 | jnz @f |
||
887 | .correct: |
||
888 | mov eax,[esp+20] |
||
889 | mov byte[eax],80h |
||
890 | @@: |
||
891 | dec ebx |
||
892 | jnz newpi12 |
||
893 | |||
894 | nonewpi12: |
||
895 | |||
896 | pop eax edx ecx ebx eax edi esi |
||
897 | xor eax, eax |
||
898 | ret |
||
899 | |||
900 | |||
901 | pi32bit12: |
||
902 | |||
903 | newpi3212: |
||
904 | |||
905 | push edi |
||
906 | push ecx |
||
907 | push ebx |
||
908 | |||
909 | mov edx,edi |
||
910 | sub edx,VGABasePtr |
||
911 | shr edx,2 |
||
912 | add edx,WinMapAddress |
||
913 | mov ebx,[CURRENT_TASK] |
||
914 | mov bh,[esp+4*3] |
||
915 | |||
916 | np3212: |
||
917 | |||
918 | cmp bl,[edx] |
||
919 | jnz imp32no12 |
||
920 | ; mov eax,[esi] |
||
921 | push dword [esp+4*3+20] |
||
922 | call ebp |
||
923 | ; cmp bh,0 |
||
924 | ; jz imp32yes12 |
||
925 | ; call dbcplimit |
||
926 | ; jnz imp32no12 |
||
927 | |||
928 | imp32yes12: |
||
929 | |||
930 | push edi |
||
931 | push eax |
||
932 | mov eax,edi |
||
933 | sub eax,VGABasePtr |
||
934 | shr eax,16 |
||
935 | call set_bank |
||
936 | pop eax |
||
937 | and edi,0xffff |
||
938 | mov [edi+VGABasePtr],eax |
||
939 | pop edi |
||
940 | |||
941 | imp32no12: |
||
942 | |||
943 | inc edx |
||
944 | ; add esi,3 |
||
945 | add edi,4 |
||
946 | dec ecx |
||
947 | jnz np3212 |
||
948 | |||
949 | np32d12: |
||
950 | |||
951 | pop ebx |
||
952 | pop ecx |
||
953 | pop edi |
||
954 | |||
955 | add edi,[BytesPerScanLine] |
||
956 | cmp ebp,putimage_get1bpp |
||
957 | jz .correct |
||
958 | cmp ebp,putimage_get2bpp |
||
959 | jz .correct |
||
960 | cmp ebp,putimage_get4bpp |
||
961 | jnz @f |
||
962 | .correct: |
||
963 | mov eax,[esp+20] |
||
964 | mov byte[eax],80h |
||
965 | @@: |
||
966 | dec ebx |
||
967 | jnz newpi3212 |
||
968 | |||
969 | nonewpi3212: |
||
970 | |||
971 | pop eax edx ecx ebx eax edi esi |
||
972 | xor eax, eax |
||
973 | ret |
||
974 | |||
975 | |||
976 | vesa12_read_screen_pixel: |
||
977 | |||
978 | and eax,0x3FFFFF |
||
979 | cmp [ScreenBPP],byte 24 ; 24 or 32 bpp ? |
||
980 | jz v12rsp24 |
||
981 | mov edi,eax |
||
982 | shl edi,2 |
||
983 | mov eax,edi |
||
984 | shr eax,16 |
||
985 | call set_bank |
||
986 | and edi,65535 |
||
987 | add edi,VGABasePtr |
||
988 | mov eax,[edi] |
||
989 | and eax,0x00ffffff |
||
990 | ret |
||
991 | v12rsp24: |
||
992 | |||
993 | imul eax,3 |
||
994 | mov edi,eax |
||
995 | shr eax,16 |
||
996 | call set_bank |
||
997 | and edi,65535 |
||
998 | add edi,VGABasePtr |
||
999 | mov eax,[edi] |
||
1000 | and eax,0x00ffffff |
||
1001 | ret |
||
1002 |