Rev 730 | Go to most recent revision | Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
714 | Lrz | 1 | |
2 | .VESASignature dd ? ; char |
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3 | .VESAVersion dw ? ; short |
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4 | .OemStringPtr dd ? ; char * |
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5 | .Capabilities dd ? ; ulong |
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6 | .VideoModePtr dd ? ; ulong |
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7 | .TotalMemory dw ? ; short |
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8 | ; VBE 2.0+ |
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9 | .OemSoftwareRev db ? ; short |
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10 | .OemVendorNamePtr dw ? ; char * |
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11 | .OemProductNamePtr dw ? ; char * |
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12 | .OemProductRevPtr dw ? ; char * |
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13 | .reserved rb 222 ; char |
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14 | .OemData rb 256 ; char |
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15 | } |
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16 | |||
17 | |||
18 | .ModeAttributes dw ? ; short |
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19 | .WinAAttributes db ? ; char |
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20 | .WinBAttributes db ? ; char |
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21 | .WinGranularity dw ? ; short |
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22 | .WinSize dw ? ; short |
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23 | .WinASegment dw ? ; ushort |
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24 | .WinBSegment dw ? ; ushort |
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25 | .WinFuncPtr dd ? ; void * |
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26 | .BytesPerScanLine dw ? ; short |
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27 | .XRes dw ? ; short |
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28 | .YRes dw ? ; short |
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29 | .XCharSize db ? ; char |
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30 | .YCharSize db ? ; char |
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31 | .NumberOfPlanes db ? ; char |
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32 | .BitsPerPixel db ? ; char |
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33 | .NumberOfBanks db ? ; char |
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34 | .MemoryModel db ? ; char |
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35 | .BankSize db ? ; char |
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36 | .NumberOfImagePages db ? ; char |
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37 | .res1 db ? ; char |
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38 | .RedMaskSize db ? ; char |
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39 | .RedFieldPosition db ? ; char |
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40 | .GreenMaskSize db ? ; char |
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41 | .GreenFieldPosition db ? ; char |
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42 | .BlueMaskSize db ? ; char |
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43 | .BlueFieldPosition db ? ; char |
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44 | .RsvedMaskSize db ? ; char |
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45 | .RsvedFieldPosition db ? ; char |
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46 | .DirectColorModeInfo db ? ; char ; MISSED IN THIS TUTORIAL!! SEE ABOVE |
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47 | ; VBE 2.0+ |
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48 | .PhysBasePtr dd ? ; ulong |
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49 | .OffScreenMemOffset dd ? ; ulong |
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50 | .OffScreenMemSize dw ? ; short |
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51 | ; VBE 3.0+ |
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52 | .LinbytesPerScanLine dw ? ; short |
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53 | .BankNumberOfImagePages db ? ; char |
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54 | .LinNumberOfImagePages db ? ; char |
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55 | .LinRedMaskSize db ? ; char |
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56 | .LinRedFieldPosition db ? ; char |
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57 | .LingreenMaskSize db ? ; char |
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58 | .LinGreenFieldPosition db ? ; char |
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59 | .LinBlueMaskSize db ? ; char |
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60 | .LinBlueFieldPosition db ? ; char |
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61 | .LinRsvdMaskSize db ? ; char |
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62 | .LinRsvdFieldPosition db ? ; char |
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63 | .MaxPixelClock dd ? ; ulong |
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64 | .res2 rb 190 ; char |
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65 | } |
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66 | |||
67 | |||
68 | vi VBE_VGAInfo |
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69 | mi VBE_ModeInfo |
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70 | modes_table: |
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71 | end virtual |
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72 | cursor_pos dw 0 ;âðåìåííîå õðàíåíèå êóðñîðà. |
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73 | home_cursor dw 0 ;current shows rows a table |
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74 | end_cursor dw 0 ;end of position current shows rows a table |
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75 | long_v_table equ 9 ;long of visible video table |
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76 | size_of_step equ 10 |
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77 | int2str: |
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78 | dec bl |
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79 | jz @f |
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80 | xor edx,edx |
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81 | div ecx |
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82 | push edx |
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83 | call int2str |
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84 | pop eax |
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85 | @@: or al,0x30 |
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86 | mov [ds:di],al |
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87 | inc di |
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88 | ret |
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89 | |||
90 | |||
91 | cmp eax,ecx |
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92 | jb @f |
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93 | xor edx,edx |
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94 | div ecx |
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95 | push edx |
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96 | call int2strnz |
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97 | pop eax |
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98 | @@: or al,0x30 |
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99 | mov [es:di],al |
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100 | inc di |
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101 | ret |
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102 | ;------------------------------------------------------- |
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103 | ;Write message about incorrect v_mode and write message about jmp on swith v_mode |
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104 | v_mode_error: |
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105 | _setcursor 19,2 |
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106 | mov si, fatalsel |
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107 | call printplain |
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108 | _setcursor 20,2 |
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109 | mov si,pres_key |
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110 | call printplain |
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111 | xor eax,eax |
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112 | int 16h |
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113 | jmp cfgmanager.d |
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114 | ;------------------------------------------------------- |
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115 | ; |
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116 | |||
117 | |||
118 | |||
119 | |||
120 | print_vesa_info: |
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121 | _setcursor 5,2 |
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122 | |||
123 | |||
124 | mov ax,0x4F00 |
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125 | mov di,vi ;0xa000 |
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126 | int 0x10 |
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127 | or ah,ah |
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128 | jz @f |
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129 | mov [es:vi.VESASignature],'VESA' |
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130 | mov ax,$4F00 |
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131 | mov di,vi |
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132 | int 0x10 |
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133 | or ah,ah |
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134 | jnz .exit |
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135 | @@: |
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136 | cmp [es:vi.VESASignature],'VESA' |
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137 | jne .exit |
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138 | cmp [es:vi.VESAVersion],0x0100 |
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139 | jb .exit |
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140 | jmp .vesaok2 |
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141 | |||
142 | |||
143 | mov si,novesa |
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144 | call printplain |
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145 | ret |
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146 | |||
147 | |||
148 | mov ax,[es:vi.VESAVersion] |
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149 | add ax,'00' |
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150 | |||
151 | |||
152 | mov [s_vesa.ver+2], al |
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153 | mov si,s_vesa |
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154 | call printplain |
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155 | |||
156 | |||
157 | mov si,word[es:vi.OemStringPtr] |
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158 | mov di,si |
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159 | |||
160 | |||
161 | mov ds,word[es:vi.OemStringPtr+2] |
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162 | call printplain |
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163 | pop ds |
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164 | |||
165 | |||
166 | ;----------------------------------------------------------------------------- |
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167 | |||
168 | |||
169 | pushad |
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170 | |||
171 | |||
172 | ; pop es |
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173 | |||
174 | |||
175 | push word[es:vi.VideoModePtr+2] |
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176 | pop fs |
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177 | |||
178 | |||
179 | ;save no vesa mode of work 320x200, EGA/CGA 256 梥⮢ and 640x480, VGA 16 梥⮢ |
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180 | mov word [es:bx],640 |
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181 | mov word [es:bx+2],480 |
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182 | mov word [es:bx+6],0x13 |
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183 | |||
184 | |||
185 | mov word [es:bx+12],480 |
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186 | mov word [es:bx+16],0x12 |
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187 | add bx,20 |
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188 | .next_mode: |
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189 | mov cx,word [fs:si] ; mode number |
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190 | cmp cx,-1 |
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191 | je .modes_ok.2 |
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192 | |||
193 | |||
194 | mov di,mi |
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195 | int 0x10 |
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196 | |||
197 | |||
198 | jnz .modes_ok.2;vesa_info.exit |
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199 | |||
200 | |||
201 | jz @f |
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202 | test [es:mi.ModeAttributes],00010000b ;picture ? |
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203 | jz @f |
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204 | test [es:mi.ModeAttributes],10000000b ;LFB ? |
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205 | jz @f |
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206 | |||
207 | |||
208 | jne .l0 |
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209 | cmp [es:mi.GreenMaskSize],5 |
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210 | jne .l0 |
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211 | mov [es:mi.BitsPerPixel],15 |
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212 | |||
213 | |||
214 | |||
215 | cmp [es:mi.XRes],640 |
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216 | jb @f |
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217 | cmp [es:mi.YRes],480 |
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218 | jb @f |
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219 | ; cmp [es:mi.BitsPerPixel],8 |
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220 | ; jb @f |
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221 | |||
222 | |||
223 | mov [es:bx+0],ax ; +0[2] : resolution X |
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224 | mov ax,[es:mi.YRes] |
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225 | mov [es:bx+2],ax ; +2[2] : resolution Y |
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226 | mov ax,[es:mi.ModeAttributes] |
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227 | mov [es:bx+4],ax ; +4[2] : attributes |
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228 | |||
229 | |||
230 | jb .lp1 |
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231 | |||
232 | |||
233 | .lp1: mov [es:bx+6],cx ; +6 : mode number |
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234 | movzx ax,byte [es:mi.BitsPerPixel] |
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235 | mov word [es:bx+8],ax ; +8 : bits per pixel |
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236 | add bx,size_of_step |
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237 | |||
238 | |||
239 | add si,2 |
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240 | jmp .next_mode |
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241 | |||
242 | |||
243 | |||
244 | |||
245 | mov word[end_cursor],bx ;save end cursor position |
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246 | ;;;;;;;;;;;;;;;;;; |
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247 | ;Sort array |
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248 | ; mov si,modes_table |
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249 | ;.new_mode: |
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250 | ; mov ax,word [es:si] |
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251 | ; cmp ax,-1 |
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252 | ; je .exxit |
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253 | ; add ax,word [es:si+2] |
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254 | ; add ax,word [es:si+8] |
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255 | ; mov bp,si |
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256 | ;.again: |
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257 | ; add bp,12 |
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258 | ; mov bx,word [es:bp] |
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259 | ; cmp bx,-1 |
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260 | ; je .exit |
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261 | ; add bx,word [es:bp+2] |
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262 | ; add bx,word [es:bp+8] |
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263 | ; |
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264 | ; cmp ax,bx |
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265 | ; ja .loops |
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266 | ; jmp .again |
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267 | ;.loops: |
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268 | ; push dword [es:si] |
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269 | ; push dword [es:si+4] |
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270 | ; push dword [es:si+8] |
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271 | ; push dword [es:bp] |
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272 | ; push dword [es:bp+4] |
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273 | ; push dword [es:bp+8] |
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274 | ; |
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275 | ; pop dword [es:si+8] |
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276 | ; pop dword [es:si+4] |
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277 | ; pop dword [es:si] |
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278 | ; pop dword [es:bp+8] |
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279 | ; pop dword [es:bp+4] |
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280 | ; pop dword [es:bp] |
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281 | ; jmp .new_mode |
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282 | ; |
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283 | ;.exit: add si,12 |
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284 | ; jmp .new_mode |
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285 | ;.exxit: |
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286 | popad |
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287 | ret |
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288 | |||
289 | |||
290 | |||
291 | |||
292 | push 0 |
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293 | pop es |
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294 | |||
295 | |||
296 | |||
297 | |||
298 | je .no_vesa_0x12 |
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299 | |||
300 | |||
301 | je .no_vesa_0x13 |
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302 | |||
303 | |||
304 | movzx eax,word[es:si+0] |
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305 | mov ecx,10 |
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306 | call int2strnz |
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307 | mov byte[es:di],'x' |
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308 | inc di |
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309 | movzx eax,word[es:si+2] |
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310 | call int2strnz |
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311 | mov byte[es:di],'x' |
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312 | inc di |
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313 | movzx eax,word[es:si+8] |
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314 | call int2strnz |
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315 | mov dword[es:di],0x00000d0a |
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316 | mov si,loader_block_error |
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317 | push ds |
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318 | push es |
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319 | pop ds |
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320 | call printplain |
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321 | pop ds |
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322 | ret |
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323 | .no_vesa_0x13: |
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324 | mov si,mode0 |
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325 | jmp .print |
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326 | .no_vesa_0x12: |
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327 | mov si,mode9 |
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328 | .print: |
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329 | call printplain |
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330 | ret |
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331 | ;----------------------------------------------------------------------------- |
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332 | check_first_parm: |
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333 | mov ax,word [preboot_graph] |
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334 | test ax,ax |
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335 | jnz .no_zero ;if no zero |
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336 | .zerro: |
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337 | ; mov ax,modes_table |
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338 | ; mov word [cursor_pos],ax |
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339 | ; mov word [home_cursor],ax |
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340 | ; mov word [preboot_graph],ax |
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341 | ;SET default video of mode first probe will fined a move of work 1024x768@32 |
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342 | |||
343 | |||
344 | mov bx,768 |
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345 | mov si,modes_table |
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346 | call .loops |
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347 | test ax,ax |
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348 | jz .ok_found_mode |
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349 | mov ax,800 |
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350 | mov bx,600 |
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351 | mov si,modes_table |
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352 | call .loops |
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353 | test ax,ax |
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354 | jz .ok_found_mode |
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355 | mov ax,640 |
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356 | mov bx,480 |
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357 | mov si,modes_table |
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358 | call .loops |
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359 | test ax,ax |
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360 | jz .ok_found_mode |
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361 | |||
362 | |||
363 | |||
364 | |||
365 | |||
366 | mov word [home_cursor],si |
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367 | ; mov word [cursor_pos],si |
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368 | mov word [preboot_graph],si |
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369 | mov ax,si |
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370 | |||
371 | |||
372 | cmp ax,modes_table |
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373 | jb .zerro ;check on correct if bellow |
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374 | cmp ax,word [end_cursor] |
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375 | ja .zerro ;check on correct if anymore |
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376 | |||
377 | |||
378 | |||
379 | |||
380 | cmp ax,word [end_cursor] |
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381 | jae .next_step |
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382 | loop .loop |
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383 | .next_step: |
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384 | sub ax,size_of_step*long_v_table |
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385 | cmp ax,modes_table |
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386 | jb .zerro |
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387 | |||
388 | |||
389 | push word [preboot_graph] |
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390 | pop word [cursor_pos] |
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391 | ret |
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392 | ;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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393 | .loops: |
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394 | cmp ax,word [es:si] |
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395 | jne .next |
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396 | cmp bx,word [es:si+2] |
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397 | jne .next |
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398 | cmp word [es:si+8],32 |
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399 | je .ok |
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400 | cmp word [es:si+8],24 |
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401 | je .ok |
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402 | .next: add si,size_of_step |
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403 | cmp word [es:si],-1 |
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404 | je .exit |
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405 | jmp .loops |
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406 | .ok: xor ax,ax |
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407 | .exit: ret |
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408 | |||
409 | |||
410 | |||
411 | |||
412 | |||
413 | |||
414 | |||
415 | draw_vmodes_table: |
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416 | _setcursor 9, 2 |
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417 | mov si,gr_mode |
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418 | call printplain |
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419 | |||
420 | |||
421 | call printplain |
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422 | |||
423 | |||
424 | pop ax |
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425 | push word [home_cursor] |
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426 | pop si |
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427 | mov cx,si |
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428 | |||
429 | |||
430 | je .ok |
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431 | jb .low |
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432 | |||
433 | |||
434 | |||
435 | |||
436 | |||
437 | jb .ok |
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438 | |||
439 | |||
440 | add cx,size_of_step |
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441 | cmp cx,word[end_cursor] |
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442 | jae .ok |
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443 | add si,size_of_step |
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444 | push si |
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445 | pop word [home_cursor] |
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446 | jmp .ok |
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447 | |||
448 | |||
449 | |||
450 | cmp cx,modes_table |
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451 | jb .ok |
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452 | push cx |
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453 | push cx |
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454 | pop word [home_cursor] |
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455 | pop si |
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456 | |||
457 | |||
458 | |||
459 | mov bp,long_v_table ;show rows |
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460 | .@@_next_bit: |
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461 | cmp word [es:si+6],0x12 |
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462 | je .show_0x12 |
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463 | cmp word [es:si+6],0x13 |
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464 | je .show_0x13 |
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465 | |||
466 | |||
467 | cmp ax,-1 |
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468 | je .@@_end |
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469 | mov di,_rs+23 |
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470 | mov ecx,10 |
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471 | mov bl,4 |
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472 | call int2str |
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473 | movzx eax,word[es:si+2] |
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474 | inc di |
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475 | mov bl,4 |
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476 | call int2str |
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477 | |||
478 | |||
479 | inc di |
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480 | mov bl,2 |
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481 | call int2str |
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482 | ;clear cursor |
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483 | mov word[ds:_r1+21],' ' |
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484 | mov word[ds:_r1+50],' ' |
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485 | |||
486 | |||
487 | mov word[ds:_r2+45],' ' |
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488 | |||
489 | |||
490 | mov word[ds:_rs+46],' ' |
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491 | |||
492 | |||
493 | jne .next |
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494 | ;draw cursor |
||
495 | mov word[ds:_rs+21],'>>' |
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496 | mov word[ds:_rs+46],'<<' |
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497 | |||
498 | |||
499 | |||
500 | |||
501 | push si |
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502 | mov si,_rs |
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503 | .@@_sh: |
||
504 | call printplain |
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505 | pop si |
||
506 | add si,size_of_step |
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507 | |||
508 | |||
509 | jnz .@@_next_bit |
||
510 | |||
511 | |||
512 | mov si,_bt |
||
513 | call printplain |
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514 | ret |
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515 | .show_0x13: |
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516 | push si |
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517 | |||
518 | |||
519 | jne @f |
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520 | mov word[ds:_r1+21],'>>' |
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521 | mov word[ds:_r1+50],'<<' |
||
522 | @@: |
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523 | mov si,_r1 |
||
524 | jmp .@@_sh |
||
525 | .show_0x12: |
||
526 | push si |
||
527 | cmp si, word [cursor_pos] |
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528 | jne @f |
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529 | |||
530 | |||
531 | mov word[ds:_r2+45],'<<' |
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532 | @@: |
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533 | mov si,_r2 |
||
534 | jmp .@@_sh |
||
535 | |||
536 | |||
537 | ;Clear arrea of current video page (0xb800) |
||
538 | clear_vmodes_table: |
||
539 | pusha |
||
540 | ; draw frames |
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541 | push es |
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542 | push 0xb800 |
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543 | pop es |
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544 | mov di,1444 |
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545 | xor ax,ax |
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546 | mov ah, 1*16+15 |
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547 | mov cx,70 |
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548 | mov bp,12 |
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549 | .loop_start: |
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550 | rep stosw |
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551 | mov cx,70 |
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552 | add di,20 |
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553 | dec bp ; 㬥ìè¨âì DX, |
||
554 | jns .loop_start |
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555 | pop es |
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556 | popa |
||
557 | ret |
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558 | |||
559 | |||
560 | |||
561 | |||
562 | push 0 ;0;x1000 |
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563 | pop es |
||
564 | |||
565 | |||
566 | mov cx,word [es:si+6] ; number of mode |
||
567 | |||
568 | |||
569 | |||
570 | mov bx,word [es:si+2] ; resolution Y |
||
571 | |||
572 | |||
573 | |||
574 | mov word [es:0x900C],bx ; resolution Y |
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575 | mov word [es:0x9008],cx ; number of mode |
||
576 | |||
577 | |||
578 | je .mode0x12_0x13 |
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579 | cmp cx,0x13 |
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580 | je .mode0x12_0x13 |
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581 | |||
582 | |||
583 | |||
584 | jb .vesa12 |
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585 | |||
586 | |||
587 | |||
588 | |||
589 | and cx,0xfff |
||
590 | mov di,mi;0xa000 |
||
591 | int 0x10 |
||
592 | ; LFB |
||
593 | mov eax,[es:mi.PhysBasePtr];di+0x28] |
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594 | mov [es:0x9018],eax |
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595 | ; ---- vbe voodoo |
||
596 | BytesPerLine equ 0x10 |
||
597 | mov ax, [es:di+BytesPerLine] |
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598 | mov [es:0x9001], ax |
||
599 | ; BPP |
||
600 | cmp [es:mi.BitsPerPixel],16 |
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601 | jne .l0 |
||
602 | cmp [es:mi.GreenMaskSize],5 |
||
603 | jne .l0 |
||
604 | mov [es:mi.BitsPerPixel],15 |
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605 | .l0: |
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606 | mov al, byte [es:di+0x19] |
||
607 | mov [es:0x9000], al |
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608 | jmp .exit |
||
609 | |||
610 | |||
611 | mov byte [es:0x9000], 32 |
||
612 | or dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
||
613 | |||
614 | |||
615 | |||
616 | |||
617 | |||
618 | |||
619 | |||
620 | |||
621 | xor bx,bx |
||
622 | int 0x10 |
||
623 | xor eax,eax |
||
624 | xor ebx,ebx |
||
625 | mov ax,es |
||
626 | shl eax,4 |
||
627 | mov bx,di |
||
628 | add eax,ebx |
||
629 | movzx ebx,word[es:di] |
||
630 | add eax,ebx |
||
631 | push 0x0000 |
||
632 | pop es |
||
633 | mov [es:0x9014],eax |
||
634 | .exit: |
||
635 | ret |
||
636 | |||
637 | |||
638 | |||
639 | ; ret |
||
640 | |||
641 | |||
642 | ;============================================================================= |
||
643 | ;=============================================================================' |
||
644 | @@: |
||
645 |