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Rev | Author | Line No. | Line |
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425 | victor | 1 | $Revision: 425 $ |
1 | ha | 2 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
3 | ;; ;; |
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4 | ;; BOOTCODE.INC ;; |
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5 | ;; ;; |
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29 | halyavin | 6 | ;; KolibriOS 16-bit loader, ;; |
7 | ;; based on bootcode for MenuetOS ;; |
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1 | ha | 8 | ;; ;; |
9 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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10 | |||
11 | |||
12 | |||
13 | ;========================================================================== |
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14 | ; |
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15 | ; 16 BIT FUNCTIONS |
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16 | ; |
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17 | ;========================================================================== |
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18 | |||
183 | diamond | 19 | ; 16-bit data |
20 | org $+0x10000 |
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21 | |||
22 | old_ints_h: |
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23 | dw 0x400 |
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24 | dd 0 |
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25 | dw 0 |
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26 | |||
27 | kernel_restart_bootblock: |
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28 | db 1 ; version |
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29 | dw 1 ; floppy image is in memory |
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30 | dd 0 ; cannot save parameters |
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31 | |||
32 | |||
33 | align 32 |
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34 | |||
35 | ; GDT TABLE |
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36 | |||
37 | gdts: |
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38 | |||
39 | dw gdte-$-1 |
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40 | dd gdts |
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41 | dw 0 |
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42 | |||
375 | Ghost | 43 | ; Attention! The order first four selectors not to change, is used in Fast System Call |
44 | ; must be : os_code, os_data, app_code, app_data, .... |
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45 | |||
183 | diamond | 46 | int_code_l: |
47 | os_code_l: |
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48 | dw 0xffff |
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49 | dw 0x0000 |
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50 | db 0x00 |
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51 | dw 11011111b *256 +10011010b |
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52 | db 0x00 |
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53 | |||
54 | int_data_l: |
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55 | os_data_l: |
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56 | dw 0xffff |
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57 | dw 0x0000 |
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58 | db 0x00 |
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59 | dw 11011111b *256 +10010010b |
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60 | db 0x00 |
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61 | |||
375 | Ghost | 62 | app_code_l: |
378 | serge | 63 | dw 0xFFFF |
375 | Ghost | 64 | dw 0 |
378 | serge | 65 | db 0 |
375 | Ghost | 66 | db cpl3 |
378 | serge | 67 | dw G32+D32+0x8000+0x7; |
375 | Ghost | 68 | |
69 | app_data_l: |
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378 | serge | 70 | dw 0xFFFF |
375 | Ghost | 71 | dw 0 |
378 | serge | 72 | db 0 |
375 | Ghost | 73 | db drw3 |
378 | serge | 74 | dw G32+D32+0x8000+0x7; |
75 | |||
183 | diamond | 76 | ; --------------- APM --------------------- |
77 | apm_code_32: |
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223 | Ghost | 78 | dw 0x0f ; limit 64kb |
183 | diamond | 79 | db 0, 0, 0 |
189 | Ghost | 80 | dw 11010000b *256 +10011010b |
183 | diamond | 81 | db 0x00 |
82 | apm_code_16: |
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223 | Ghost | 83 | dw 0x0f |
183 | diamond | 84 | db 0, 0, 0 |
189 | Ghost | 85 | dw 10010000b *256 +10011010b |
183 | diamond | 86 | db 0x00 |
87 | apm_data_16: |
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223 | Ghost | 88 | dw 0x0f |
183 | diamond | 89 | db 0, 0, 0 |
189 | Ghost | 90 | dw 10010000b *256 +10010010b |
183 | diamond | 91 | db 0x00 |
92 | ; ----------------------------------------- |
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93 | |||
94 | graph_data_l: |
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95 | |||
321 | diamond | 96 | dw 0x7ff |
183 | diamond | 97 | dw 0x0000 |
98 | db 0x00 |
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99 | dw 11010000b *256 +11110010b |
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100 | db 0x00 |
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101 | |||
102 | tss0_l: |
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103 | ; times (max_processes+10) dd 0,0 |
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104 | gdte = $ + (max_processes+10)*8 |
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105 | |||
106 | ; videomodes table |
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107 | gr_table: |
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108 | dw 0x112+0100000000000000b , 640 , 480 ; 1 |
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109 | dw 0x115+0100000000000000b , 800 , 600 ; 2 |
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110 | dw 0x118+0100000000000000b , 1024 , 768 ; 3 |
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111 | dw 0x11B+0100000000000000b , 1280 , 1024 ; 4 |
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112 | dw 0x112 , 640 , 480 ; 5 |
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113 | dw 0x115 , 800 , 600 ; 6 |
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114 | dw 0x118 , 1024 , 768 ; 7 |
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115 | dw 0x11B , 1280 ,1024 ; 8 |
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116 | dw 0x13, 640, 480 ; 9 |
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117 | dw 0x12, 640, 480 ; 0 |
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118 | |||
119 | ; table for move to extended memory (int 15h, ah=87h) |
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120 | movedesc: |
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121 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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122 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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123 | |||
124 | db 0xff,0xff,0x0,0xa0,0x00,0x93,0x0,0x0 |
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125 | db 0xff,0xff,0x0,0x00,0x10,0x93,0x0,0x0 |
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126 | |||
127 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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128 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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129 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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130 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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131 | org $-0x10000 |
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132 | |||
29 | halyavin | 133 | putchar: |
134 | ; in: al=character |
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76 | mario79 | 135 | mov ah, 0Eh |
136 | mov bh, 0 |
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137 | int 10h |
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138 | ret |
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1 | ha | 139 | |
29 | halyavin | 140 | print: |
141 | ; in: si->string |
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76 | mario79 | 142 | mov al, 186 |
143 | call putchar |
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144 | mov al, ' ' |
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145 | call putchar |
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1 | ha | 146 | |
29 | halyavin | 147 | printplain: |
148 | ; in: si->string |
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76 | mario79 | 149 | pusha |
150 | lodsb |
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29 | halyavin | 151 | @@: |
76 | mario79 | 152 | call putchar |
153 | lodsb |
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154 | cmp al, 0 |
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155 | jnz @b |
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156 | popa |
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157 | ret |
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1 | ha | 158 | |
29 | halyavin | 159 | ; Now int 16 is used for keyboard support. |
160 | ; This is shorter, simpler and more reliable. |
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161 | if 0 |
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1 | ha | 162 | getkey: push ecx |
163 | push edx |
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164 | add ebx,0x0101 |
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165 | xor eax,eax |
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166 | |||
167 | gk1: |
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168 | in al,0x60 |
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169 | mov cl,al |
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170 | gk0: |
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171 | in al,0x60 |
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172 | cmp al,cl |
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173 | je gk0 |
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174 | cmp ax,11 |
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175 | jg gk0 |
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176 | gk0_1: |
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177 | mov cl,al |
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178 | |||
179 | ; add al,47 |
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180 | ; mov [ds:keyinbs-0x10000],al |
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181 | ; mov si,keyinbs-0x10000 |
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182 | ; call printplain |
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183 | |||
184 | gk12: |
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185 | in al,0x60 |
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186 | cmp al,cl |
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187 | je gk12 |
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188 | cmp ax,240 |
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189 | jne gk13 |
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190 | mov al,cl |
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191 | jmp gk14 |
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192 | gk13: |
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193 | add cl,128 |
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194 | cmp al,cl |
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195 | jne gk1 |
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196 | sub al,128 |
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197 | gk14: |
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198 | |||
199 | movzx edx,bl |
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200 | cmp eax,edx |
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201 | jb gk1 |
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202 | movzx edx,bh |
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203 | cmp eax,edx |
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204 | jg gk1 |
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205 | test ebx,0x010000 |
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206 | jnz gk3 |
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207 | mov cx,0x1000 |
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208 | mov dx,cx |
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209 | add eax,47 |
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210 | mov cx,ax |
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211 | cmp cx,58 |
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212 | jb gk_nozero |
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213 | sub cx,10 |
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214 | gk_nozero: |
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215 | mov [ds:keyin-0x10000],cl |
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216 | mov si,keyin-0x10000 |
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217 | call printplain |
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218 | gk3: |
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219 | sub eax,48 |
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220 | pop edx |
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221 | pop ecx |
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222 | ret |
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29 | halyavin | 223 | end if |
1 | ha | 224 | |
29 | halyavin | 225 | getkey: |
226 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
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227 | ; in: bx=range |
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228 | ; out: ax=digit (1..9, 10 for 0) |
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76 | mario79 | 229 | mov ah, 0 |
230 | int 16h |
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231 | cmp al, bl |
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232 | jb getkey |
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233 | cmp al, bh |
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234 | ja getkey |
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235 | push ax |
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236 | call putchar |
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237 | pop ax |
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238 | and ax, 0Fh |
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239 | jnz @f |
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240 | mov al, 10 |
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29 | halyavin | 241 | @@: |
76 | mario79 | 242 | ret |
1 | ha | 243 | |
29 | halyavin | 244 | setcursor: |
245 | ; in: dl=column, dh=row |
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76 | mario79 | 246 | mov ah, 2 |
247 | mov bh, 0 |
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248 | int 10h |
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249 | ret |
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29 | halyavin | 250 | |
251 | macro _setcursor row,column |
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252 | { |
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76 | mario79 | 253 | mov dx, row*256 + column |
254 | call setcursor |
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29 | halyavin | 255 | } |
256 | |||
183 | diamond | 257 | ;pagetable_set: |
103 | halyavin | 258 | ;eax - physical address |
259 | ;es:di - page table |
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260 | ;ecx - number of pages to map |
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183 | diamond | 261 | ; or al, 7 |
262 | ;@@: |
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263 | ; stosd |
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264 | ; add eax, 1000h |
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265 | ; loop @b |
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266 | ; ret |
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40 | halyavin | 267 | |
134 | diamond | 268 | boot_read_floppy: |
269 | push si |
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270 | xor si, si |
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271 | mov ah, 2 ; read |
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272 | @@: |
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273 | push ax |
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274 | int 0x13 |
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275 | pop ax |
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276 | jnc @f |
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277 | inc si |
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278 | cmp si, 10 |
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279 | jb @b |
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280 | mov si, badsect-0x10000 |
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281 | sayerr_plain: |
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282 | call printplain |
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283 | jmp $ |
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284 | @@: |
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285 | pop si |
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286 | ret |
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287 | |||
1 | ha | 288 | ;========================================================================= |
289 | ; |
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290 | ; 16 BIT CODE |
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291 | ; |
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292 | ;========================================================================= |
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293 | |||
294 | |||
295 | start_of_code: |
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76 | mario79 | 296 | cld |
29 | halyavin | 297 | ; \begin{diamond}[02.12.2005] |
76 | mario79 | 298 | cmp ax, 'KL' |
299 | jnz @f |
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300 | mov word [cs:cfgmanager.loader_block-0x10000], si |
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301 | mov word [cs:cfgmanager.loader_block+2-0x10000], ds |
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29 | halyavin | 302 | @@: |
303 | ; \end{diamond}[02.12.2005] |
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1 | ha | 304 | |
424 | spraid | 305 | |
306 | mov word [cs:bx_from_load - 0x10000], bx ; {SPraid}[13.03.2007] |
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307 | |||
308 | |||
29 | halyavin | 309 | ; set up stack |
76 | mario79 | 310 | mov ax, 3000h |
311 | mov ss, ax |
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312 | mov sp, 0EC00h |
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29 | halyavin | 313 | ; set up segment registers |
76 | mario79 | 314 | push cs |
315 | pop ds |
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316 | push cs |
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317 | pop es |
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1 | ha | 318 | |
29 | halyavin | 319 | ; set videomode |
76 | mario79 | 320 | mov ax, 3 |
1 | ha | 321 | int 0x10 |
322 | |||
134 | diamond | 323 | if lang eq ru |
1 | ha | 324 | ; Load & set russian VGA font (RU.INC) |
325 | mov bp,RU_FNT1-10000h ; RU_FNT1 - First part |
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326 | mov bx,1000h ; 768 bytes |
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327 | mov cx,30h ; 48 symbols |
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328 | mov dx,80h ; 128 - position of first symbol |
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329 | mov ax,1100h |
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330 | int 10h |
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331 | |||
332 | mov bp,RU_FNT2-10000h ; RU_FNT2 -Second part |
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333 | mov bx,1000h ; 512 bytes |
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334 | mov cx,20h ; 32 symbols |
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335 | mov dx,0E0h ; 224 - position of first symbol |
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336 | mov ax,1100h |
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337 | int 10h |
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338 | ; End set VGA russian font |
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274 | kaitz | 339 | else if lang eq et |
340 | mov bp,ET_FNT-10000h ; ET_FNT1 |
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381 | serge | 341 | mov bx,1000h ; |
274 | kaitz | 342 | mov cx,255 ; 256 symbols |
343 | mov dx,0h ; 0 - position of first symbol |
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344 | mov ax,1100h |
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345 | int 10h |
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134 | diamond | 346 | end if |
1 | ha | 347 | |
29 | halyavin | 348 | ; draw frames |
76 | mario79 | 349 | push 0xb800 |
350 | pop es |
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351 | xor di, di |
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29 | halyavin | 352 | ; mov si,d80x25-0x10000 |
353 | ; mov cx,80*25 |
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354 | ; mov ah,1*16+15 |
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355 | ; dfl1: |
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356 | ; lodsb |
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357 | ; stosw |
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358 | ; loop dfl1 |
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76 | mario79 | 359 | mov ah, 1*16+15 |
29 | halyavin | 360 | ; draw top |
76 | mario79 | 361 | mov si, d80x25_top - 0x10000 |
362 | mov cx, d80x25_top_num * 80 |
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29 | halyavin | 363 | @@: |
76 | mario79 | 364 | lodsb |
365 | stosw |
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366 | loop @b |
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29 | halyavin | 367 | ; draw spaces |
76 | mario79 | 368 | mov si, space_msg - 0x10000 |
369 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
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29 | halyavin | 370 | dfl1: |
76 | mario79 | 371 | push cx |
372 | push si |
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373 | mov cx, 80 |
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29 | halyavin | 374 | @@: |
76 | mario79 | 375 | lodsb |
376 | stosw |
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377 | loop @b |
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378 | pop si |
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379 | pop cx |
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380 | loop dfl1 |
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29 | halyavin | 381 | ; draw bottom |
76 | mario79 | 382 | mov si, d80x25_bottom - 0x10000 |
383 | mov cx, d80x25_bottom_num * 80 |
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29 | halyavin | 384 | @@: |
76 | mario79 | 385 | lodsb |
386 | stosw |
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387 | loop @b |
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1 | ha | 388 | |
76 | mario79 | 389 | mov byte [space_msg-0x10000+80], 0 ; now space_msg is null terminated |
1 | ha | 390 | |
76 | mario79 | 391 | _setcursor d80x25_top_num,0 |
1 | ha | 392 | |
393 | |||
394 | ; TEST FOR 386+ |
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395 | |||
76 | mario79 | 396 | mov bx, 0x4000 |
1 | ha | 397 | pushf |
398 | pop ax |
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399 | mov dx,ax |
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29 | halyavin | 400 | xor ax,bx |
1 | ha | 401 | push ax |
402 | popf |
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403 | pushf |
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404 | pop ax |
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29 | halyavin | 405 | and ax,bx |
406 | and dx,bx |
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1 | ha | 407 | cmp ax,dx |
408 | jnz cpugood |
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409 | mov si,not386-0x10000 |
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40 | halyavin | 410 | sayerr: |
1 | ha | 411 | call print |
412 | jmp $ |
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413 | cpugood: |
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414 | |||
29 | halyavin | 415 | ; set up esp |
76 | mario79 | 416 | movzx esp, sp |
1 | ha | 417 | |
418 | ; FLUSH 8042 KEYBOARD CONTROLLER |
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419 | |||
420 | ;// mike.dld [ |
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421 | ; mov al,0xED |
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422 | ; out 0x60,al |
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423 | ; or cx,-1 |
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424 | ; @@: |
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425 | ; in al,0x64 |
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426 | ; test al,2 |
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427 | ; jz @f |
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428 | ; loop @b |
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429 | ; @@: |
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430 | ; mov al,0 |
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431 | ; out 0x60,al |
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432 | ; or cx,-1 |
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433 | ; @@: |
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434 | ; in al,0x64 |
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435 | ; test al,2 |
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436 | ; jz @f |
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437 | ; loop @b |
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438 | ; @@: |
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439 | ;// mike.dld ] |
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440 | |||
441 | ; mov ecx,10000 |
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442 | ; fl1: |
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443 | ; in al,0x64 |
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444 | ; loop fl1 |
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445 | ; test al,1 |
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446 | ; jz fl2 |
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447 | ; in al,0x60 |
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448 | ; jmp fl1 |
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449 | ; fl2: |
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450 | |||
451 | ;**************************************************************** |
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452 | ; The function is modified Mario79 |
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453 | ;***************************************************************** |
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454 | ; wait_kbd: ; variant 1 |
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455 | ; mov cx,2500h ;çàäåðæêà ïîðÿäêà 10 ìñåê |
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456 | ; test_kbd: |
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457 | ; in al,64h ;÷èòàåì ñîñòîÿíèå êëàâèàòóðû |
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458 | ; test al,2 ;ïðîâåðêà áèòà ãîòîâíîñòè |
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459 | ; loopnz test_kbd |
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460 | |||
160 | diamond | 461 | push 0 |
462 | pop es |
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463 | and word [es:0x9031], 0 |
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164 | serge | 464 | ; \begin{Mario79} |
465 | ; find HDD IDE DMA PCI device |
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160 | diamond | 466 | ; check for PCI BIOS |
467 | mov ax, 0xB101 |
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468 | int 0x1A |
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469 | jc .nopci |
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470 | cmp edx, 'PCI ' |
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471 | jnz .nopci |
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472 | ; find PCI class code |
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473 | ; class 1 = mass storage |
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474 | ; subclass 1 = IDE controller |
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475 | ; a) class 1, subclass 1, programming interface 0x80 |
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476 | mov ax, 0xB103 |
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477 | mov ecx, 1*10000h + 1*100h + 0x80 |
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478 | mov si, 0 ; device index = 0 |
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479 | int 0x1A |
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480 | jnc .found |
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187 | diamond | 481 | ; b) class 1, subclass 1, programming interface 0x8A |
160 | diamond | 482 | mov ax, 0xB103 |
187 | diamond | 483 | mov ecx, 1*10000h + 1*100h + 0x8A |
160 | diamond | 484 | mov si, 0 ; device index = 0 |
485 | int 0x1A |
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486 | jnc .found |
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187 | diamond | 487 | ; c) class 1, subclass 1, programming interface 0x85 |
160 | diamond | 488 | mov ax, 0xB103 |
187 | diamond | 489 | mov ecx, 1*10000h + 1*100h + 0x85 |
160 | diamond | 490 | mov si, 0 |
491 | int 0x1A |
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492 | jc .nopci |
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493 | .found: |
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494 | ; get memory base |
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495 | mov ax, 0xB10A |
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496 | mov di, 0x20 ; memory base is config register at 0x20 |
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497 | int 0x1A |
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498 | jc .nopci |
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499 | and cx, 0xFFF0 ; clear address decode type |
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500 | mov [es:0x9031], cx |
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501 | .nopci: |
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164 | serge | 502 | ; \end{Mario79} |
160 | diamond | 503 | |
1 | ha | 504 | mov al,0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
505 | out 0x60,al |
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29 | halyavin | 506 | xor cx,cx |
1 | ha | 507 | wait_loop: ; variant 2 |
508 | ; reading state of port of 8042 controller |
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164 | serge | 509 | in al,64h |
1 | ha | 510 | and al,00000010b ; ready flag |
164 | serge | 511 | ; wait until 8042 controller is ready |
1 | ha | 512 | loopnz wait_loop |
513 | |||
76 | mario79 | 514 | ; --------------- APM --------------------- |
515 | push 0 |
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516 | pop es |
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517 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
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518 | mov ax, 0x5300 |
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519 | xor bx, bx |
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520 | int 0x15 |
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521 | jc apm_end ; APM not found |
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522 | test cx, 2 |
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523 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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524 | mov [es : 0x9044], ax ; Save APM Version |
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525 | mov [es : 0x9046], cx ; Save APM flags |
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164 | serge | 526 | |
76 | mario79 | 527 | ; Write APM ver ---- |
82 | halyavin | 528 | and ax, 0xf0f |
76 | mario79 | 529 | add ax, '00' |
82 | halyavin | 530 | mov si, msg_apm - 0x10000 |
531 | mov [si + 5], ah |
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532 | mov [si + 7], al |
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76 | mario79 | 533 | _setcursor 0, 3 |
534 | call printplain |
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535 | _setcursor d80x25_top_num,0 |
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536 | ; ------------------ |
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164 | serge | 537 | |
76 | mario79 | 538 | mov ax, 0x5304 ; Disconnect interface |
539 | xor bx, bx |
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540 | int 0x15 |
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541 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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542 | xor bx, bx |
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543 | int 0x15 |
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544 | ; init selectors |
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545 | movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment |
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546 | shl eax, 4 |
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547 | mov [apm_code_32 - 0x10000 + 2], ax |
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548 | shr eax, 16 |
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549 | mov [apm_code_32 - 0x10000 + 4], al |
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550 | movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment |
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551 | shl ecx, 4 |
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552 | mov [apm_code_16 - 0x10000 + 2], cx |
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553 | shr ecx, 16 |
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554 | mov [apm_code_16 - 0x10000 + 4], cl |
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555 | movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment |
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556 | shl edx, 4 |
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557 | mov [apm_data_16 - 0x10000 + 2], dx |
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558 | shr edx, 16 |
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559 | mov [apm_data_16 - 0x10000 + 4], dl |
||
560 | mov [es : 0x9040], ebx ; offset of APM entry point |
||
561 | apm_end: |
||
164 | serge | 562 | ; ----------------------------------------- |
76 | mario79 | 563 | |
1 | ha | 564 | ; DISPLAY VESA INFORMATION |
565 | |||
76 | mario79 | 566 | push 0 |
567 | pop es |
||
1 | ha | 568 | mov ax,0x4f00 |
569 | mov di,0xa000 |
||
570 | int 0x10 |
||
571 | cmp ax,0x004f |
||
76 | mario79 | 572 | mov si, novesa-0x10000 |
573 | jnz @f |
||
164 | serge | 574 | mov bx, word [es:di+0x12] |
575 | shl ebx,16 |
||
576 | mov [es:0x9050], ebx |
||
1 | ha | 577 | mov ax,[es:di+4] |
578 | add ax,'0'*256+'0' |
||
76 | mario79 | 579 | mov si,vervesa-0x10000 |
40 | halyavin | 580 | mov [si+vervesa_off], ah |
581 | mov [si+vervesa_off+2], al |
||
29 | halyavin | 582 | @@: call print |
1 | ha | 583 | |
29 | halyavin | 584 | ; \begin{diamond}[30.11.2005] |
585 | cfgmanager: |
||
586 | ; settings: |
||
587 | ; a) preboot_graph = graphical mode |
||
588 | ; preboot_gprobe = probe this mode? |
||
346 | diamond | 589 | ; b) preboot_dma_write = use DMA write? |
29 | halyavin | 590 | ; c) preboot_vrrm = use VRR? |
591 | ; d) preboot_device = from what boot? |
||
76 | mario79 | 592 | mov di, preboot_graph-0x10000 |
29 | halyavin | 593 | ; check bootloader block |
143 | diamond | 594 | cmp [.loader_block-0x10000], -1 |
164 | serge | 595 | jz .noloaderblock |
76 | mario79 | 596 | les bx, [.loader_block-0x10000] |
597 | cmp byte [es:bx], 1 |
||
598 | mov si, loader_block_error-0x10000 |
||
599 | jnz sayerr |
||
600 | test byte [es:bx+1], 1 |
||
601 | jz @f |
||
29 | halyavin | 602 | ; image in memory present |
76 | mario79 | 603 | cmp [di+preboot_device-preboot_graph], 0 |
604 | jnz @f |
||
605 | mov [di+preboot_device-preboot_graph], 3 |
||
29 | halyavin | 606 | @@: |
607 | .noloaderblock: |
||
608 | ; determine default settings |
||
76 | mario79 | 609 | mov [.bSettingsChanged-0x10000], 0 |
610 | cmp byte [di], 0 |
||
611 | jnz .preboot_gr_end |
||
612 | mov [di+preboot_gprobe-preboot_graph], 0 |
||
613 | mov al, [vervesa+vervesa_off-0x10000] |
||
614 | cmp al, 'x' |
||
615 | jz .novesa |
||
616 | cmp al, '1' |
||
617 | jz .vesa12 |
||
618 | mov [di+preboot_gprobe-preboot_graph], 2 |
||
619 | mov al, 3 |
||
620 | jmp @f |
||
29 | halyavin | 621 | .vesa12: |
76 | mario79 | 622 | mov al, 7 |
623 | jmp @f |
||
29 | halyavin | 624 | .novesa: |
76 | mario79 | 625 | mov al, 10 |
29 | halyavin | 626 | @@: |
76 | mario79 | 627 | mov [di], al |
29 | halyavin | 628 | .preboot_gr_end: |
346 | diamond | 629 | cmp [di+preboot_dma_write-preboot_graph], 1 |
630 | adc [di+preboot_dma_write-preboot_graph], 0 |
||
76 | mario79 | 631 | cmp [di+preboot_vrrm-preboot_graph], 1 |
632 | adc [di+preboot_vrrm-preboot_graph], 0 |
||
633 | cmp [di+preboot_device-preboot_graph], 1 |
||
634 | adc [di+preboot_device-preboot_graph], 0 |
||
29 | halyavin | 635 | ; notify user |
76 | mario79 | 636 | mov si, linef-0x10000 |
637 | call print |
||
638 | mov si, start_msg-0x10000 |
||
639 | call print |
||
640 | mov si, time_msg-0x10000 |
||
641 | call print |
||
29 | halyavin | 642 | ; get start time |
76 | mario79 | 643 | call .gettime |
644 | mov [.starttime-0x10000], eax |
||
82 | halyavin | 645 | mov word [.timer-0x10000], .newtimer |
76 | mario79 | 646 | mov word [.timer-0x10000+2], cs |
29 | halyavin | 647 | .printcfg: |
76 | mario79 | 648 | _setcursor 9,0 |
649 | mov si, current_cfg_msg-0x10000 |
||
650 | call print |
||
651 | mov si, curvideo_msg-0x10000 |
||
652 | call print |
||
653 | mov al, [preboot_graph-0x10000] |
||
654 | cmp al, 8 |
||
655 | ja .pnovesa |
||
656 | mov dl, al |
||
657 | and eax, 3 |
||
658 | mov si, [modes_msg-0x10000+eax*2] |
||
659 | call printplain |
||
660 | mov si, modevesa20-0x10000 |
||
661 | cmp dl, 4 |
||
662 | jbe @f |
||
663 | mov si, modevesa12-0x10000 |
||
29 | halyavin | 664 | @@: |
76 | mario79 | 665 | call printplain |
666 | cmp dl, 4 |
||
667 | ja .x |
||
668 | mov si, probeno_msg-0x10000 |
||
669 | cmp [preboot_gprobe-0x10000], 2 |
||
670 | jnz @f |
||
671 | mov si, probeok_msg-0x10000 |
||
29 | halyavin | 672 | @@: |
76 | mario79 | 673 | call printplain |
29 | halyavin | 674 | .x: |
76 | mario79 | 675 | jmp .c |
29 | halyavin | 676 | .pnovesa: |
76 | mario79 | 677 | cmp al, 9 |
678 | mov si, mode9-0x10000 |
||
679 | jz @b |
||
680 | mov si, mode10-0x10000 |
||
681 | jmp @b |
||
29 | halyavin | 682 | .c: |
76 | mario79 | 683 | mov si, linef-0x10000 |
684 | call printplain |
||
346 | diamond | 685 | mov si, dma_msg-0x10000 |
686 | cmp [preboot_dma_write-0x10000], 1 |
||
76 | mario79 | 687 | call .say_on_off |
688 | mov si, vrrm_msg-0x10000 |
||
689 | cmp [preboot_vrrm-0x10000], 1 |
||
690 | call .say_on_off |
||
691 | mov si, preboot_device_msg-0x10000 |
||
692 | call print |
||
693 | mov al, [preboot_device-0x10000] |
||
694 | and eax, 3 |
||
695 | mov si, [preboot_device_msgs-0x10000+eax*2] |
||
696 | call printplain |
||
29 | halyavin | 697 | .wait: |
76 | mario79 | 698 | _setcursor 25,0 ; out of screen |
34 | halyavin | 699 | ; set timer interrupt handler |
76 | mario79 | 700 | cli |
701 | push 0 |
||
702 | pop es |
||
703 | mov eax, [es:8*4] |
||
704 | mov [.oldtimer-0x10000], eax |
||
705 | mov eax, [.timer-0x10000] |
||
706 | mov [es:8*4], eax |
||
707 | sti |
||
29 | halyavin | 708 | ; wait for keypressed |
76 | mario79 | 709 | mov ah, 0 |
710 | int 16h |
||
711 | push ax |
||
29 | halyavin | 712 | ; restore timer interrupt |
76 | mario79 | 713 | push 0 |
714 | pop es |
||
715 | mov eax, [.oldtimer-0x10000] |
||
716 | mov [es:8*4], eax |
||
717 | mov [.timer-0x10000], eax |
||
718 | _setcursor 7,0 |
||
719 | mov si, space_msg-0x10000 |
||
720 | call printplain |
||
721 | pop ax |
||
29 | halyavin | 722 | ; switch on key |
76 | mario79 | 723 | cmp al, 13 |
724 | jz .continue |
||
725 | or al, 20h |
||
726 | cmp al, 'a' |
||
727 | jz .change_a |
||
728 | cmp al, 'b' |
||
729 | jz .change_b |
||
730 | cmp al, 'c' |
||
731 | jz .change_c |
||
732 | cmp al, 'd' |
||
733 | jnz .wait |
||
734 | _setcursor 15,0 |
||
735 | mov si,bdev-0x10000 |
||
736 | call print |
||
737 | mov bx,'13' |
||
738 | call getkey |
||
739 | mov [preboot_device-0x10000], al |
||
740 | _setcursor 13,0 |
||
29 | halyavin | 741 | .d: |
76 | mario79 | 742 | mov [.bSettingsChanged-0x10000], 1 |
743 | mov si, space_msg-0x10000 |
||
744 | call printplain |
||
745 | _setcursor 15,0 |
||
746 | mov cx, 6 |
||
29 | halyavin | 747 | @@: |
76 | mario79 | 748 | call printplain |
749 | loop @b |
||
750 | jmp .printcfg |
||
29 | halyavin | 751 | .change_a: |
76 | mario79 | 752 | _setcursor 15,0 |
753 | mov si, gr_mode-0x10000 |
||
754 | call printplain |
||
755 | mov bx, '09' |
||
756 | call getkey |
||
757 | mov [preboot_graph-0x10000], al |
||
758 | cmp al, 4 |
||
759 | ja @f |
||
760 | mov si, probetext-0x10000 |
||
761 | call printplain |
||
762 | mov bx, '12' |
||
763 | call getkey |
||
764 | mov [preboot_gprobe-0x10000], al |
||
29 | halyavin | 765 | @@: |
76 | mario79 | 766 | _setcursor 10,0 |
767 | jmp .d |
||
29 | halyavin | 768 | .change_b: |
76 | mario79 | 769 | _setcursor 15,0 |
346 | diamond | 770 | mov si, ask_dma-0x10000 |
76 | mario79 | 771 | call print |
772 | mov bx, '12' |
||
773 | call getkey |
||
346 | diamond | 774 | mov [preboot_dma_write-0x10000], al |
76 | mario79 | 775 | _setcursor 11,0 |
776 | jmp .d |
||
29 | halyavin | 777 | .change_c: |
76 | mario79 | 778 | _setcursor 15,0 |
779 | mov si, vrrmprint-0x10000 |
||
780 | call print |
||
781 | mov bx, '12' |
||
782 | call getkey |
||
783 | mov [preboot_vrrm-0x10000], al |
||
784 | _setcursor 12,0 |
||
785 | jmp .d |
||
40 | halyavin | 786 | .say_on_off: |
76 | mario79 | 787 | pushf |
788 | call print |
||
789 | mov si, on_msg-0x10000 |
||
790 | popf |
||
791 | jz @f |
||
792 | mov si, off_msg-0x10000 |
||
793 | @@: call printplain |
||
794 | ret |
||
40 | halyavin | 795 | ; novesa and vervesa strings are not used at the moment of executing this code |
796 | virtual at novesa |
||
29 | halyavin | 797 | .oldtimer dd ? |
798 | .starttime dd ? |
||
799 | .bSettingsChanged db ? |
||
34 | halyavin | 800 | .timer dd ? |
40 | halyavin | 801 | end virtual |
82 | halyavin | 802 | org $+0x10000 |
143 | diamond | 803 | .loader_block dd -1 |
82 | halyavin | 804 | org $-0x10000 |
29 | halyavin | 805 | .gettime: |
76 | mario79 | 806 | mov ah, 0 |
807 | int 1Ah |
||
808 | xchg ax, cx |
||
809 | shl eax, 10h |
||
810 | xchg ax, dx |
||
811 | ret |
||
29 | halyavin | 812 | .newtimer: |
76 | mario79 | 813 | push ds |
814 | push cs |
||
815 | pop ds |
||
816 | pushf |
||
817 | call [.oldtimer-0x10000] |
||
818 | pushad |
||
819 | call .gettime |
||
820 | sub eax, [.starttime-0x10000] |
||
821 | sub ax, 18*5 |
||
822 | jae .timergo |
||
823 | neg ax |
||
824 | add ax, 18-1 |
||
825 | mov bx, 18 |
||
826 | xor dx, dx |
||
827 | div bx |
||
29 | halyavin | 828 | if lang eq ru |
829 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
||
76 | mario79 | 830 | cmp al, 5 |
831 | mov cl, ' ' |
||
832 | jae @f |
||
833 | cmp al, 1 |
||
834 | mov cl, 'ã' |
||
835 | jz @f |
||
836 | mov cl, 'ë' |
||
837 | @@: mov [time_str+9-0x10000], cl |
||
274 | kaitz | 838 | else if lang eq et |
839 | cmp al, 1 |
||
840 | ja @f |
||
841 | mov [time_str+9-0x10000], ' ' |
||
842 | mov [time_str+10-0x10000],' ' |
||
381 | serge | 843 | @@: |
29 | halyavin | 844 | else |
845 | ; wait 5/4/3/2 seconds, 1 second |
||
76 | mario79 | 846 | cmp al, 1 |
847 | mov cl, 's' |
||
848 | ja @f |
||
849 | mov cl, ' ' |
||
850 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 851 | end if |
76 | mario79 | 852 | add al, '0' |
853 | mov [time_str+1-0x10000], al |
||
854 | mov si, time_msg-0x10000 |
||
855 | _setcursor 7,0 |
||
856 | call print |
||
857 | _setcursor 25,0 |
||
858 | popad |
||
859 | pop ds |
||
860 | iret |
||
29 | halyavin | 861 | .timergo: |
76 | mario79 | 862 | push 0 |
863 | pop es |
||
864 | mov eax, [.oldtimer-0x10000] |
||
865 | mov [es:8*4], eax |
||
866 | mov sp, 0EC00h |
||
29 | halyavin | 867 | .continue: |
76 | mario79 | 868 | sti |
869 | _setcursor 6,0 |
||
870 | mov si, space_msg-0x10000 |
||
871 | call printplain |
||
872 | call printplain |
||
873 | _setcursor 6,0 |
||
874 | mov si, loading_msg-0x10000 |
||
875 | call print |
||
876 | _setcursor 15,0 |
||
877 | cmp [.bSettingsChanged-0x10000], 0 |
||
878 | jz .load |
||
143 | diamond | 879 | cmp [.loader_block-0x10000], -1 |
76 | mario79 | 880 | jz .load |
881 | les bx, [.loader_block-0x10000] |
||
882 | mov eax, [es:bx+3] |
||
883 | push ds |
||
884 | pop es |
||
885 | test eax, eax |
||
886 | jz .load |
||
887 | push eax |
||
888 | mov si, save_quest-0x10000 |
||
889 | call print |
||
29 | halyavin | 890 | .waityn: |
76 | mario79 | 891 | mov ah, 0 |
892 | int 16h |
||
893 | or al, 20h |
||
894 | cmp al, 'n' |
||
895 | jz .loadc |
||
896 | cmp al, 'y' |
||
897 | jnz .waityn |
||
898 | call putchar |
||
899 | mov byte [space_msg-0x10000+80], 186 |
||
900 | pop eax |
||
901 | push cs |
||
82 | halyavin | 902 | push .cont |
76 | mario79 | 903 | push eax |
904 | retf |
||
29 | halyavin | 905 | .loadc: |
76 | mario79 | 906 | pop eax |
29 | halyavin | 907 | .cont: |
76 | mario79 | 908 | push cs |
909 | pop ds |
||
910 | mov si, space_msg-0x10000 |
||
911 | mov byte [si+80], 0 |
||
912 | _setcursor 15,0 |
||
913 | call printplain |
||
914 | _setcursor 15,0 |
||
29 | halyavin | 915 | .load: |
916 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 917 | |
918 | ; ASK GRAPHICS MODE |
||
919 | |||
76 | mario79 | 920 | movzx ax, [preboot_graph-0x10000] |
921 | push 0 |
||
922 | pop es |
||
29 | halyavin | 923 | ; address is gr_table+6*(ax-1)-0x10000 |
76 | mario79 | 924 | add ax, ax |
925 | lea si, [gr_table-0x10000 + eax + eax*2 - 6] |
||
29 | halyavin | 926 | mov bx,[si+0] |
927 | mov cx,[si+2] |
||
928 | mov dx,[si+4] |
||
76 | mario79 | 929 | cmp al, 9*2 |
930 | mov al, 32 ; BPP |
||
931 | jb @f |
||
932 | mov [es:0x9000], al |
||
164 | serge | 933 | mov dword [es:0x9018], 0xFFFFFFFF; 0x800000 |
29 | halyavin | 934 | @@: |
1 | ha | 935 | mov [es:0x9008],bx |
936 | mov [es:0x900A],cx |
||
937 | mov [es:0x900C],dx |
||
76 | mario79 | 938 | test bh, bh |
939 | jz nov |
||
1 | ha | 940 | |
941 | ; USE DEFAULTS OR PROBE |
||
942 | |||
943 | ; bx - mode : cx - x size : dx - y size |
||
76 | mario79 | 944 | cmp [preboot_gprobe-0x10000], 1 |
945 | jz noprobe |
||
1 | ha | 946 | |
947 | mov bx,0x100 |
||
948 | newprobe: |
||
949 | inc bx |
||
950 | cmp bx,0x17f |
||
76 | mario79 | 951 | mov si,prnotfnd-0x10000 |
952 | jz sayerr |
||
1 | ha | 953 | |
954 | probemore: |
||
76 | mario79 | 955 | push cx |
1 | ha | 956 | mov ax,0x4f01 |
957 | mov cx,bx |
||
958 | and cx,0xfff |
||
959 | mov di,0xa000 |
||
960 | int 0x10 |
||
76 | mario79 | 961 | pop cx |
1 | ha | 962 | |
76 | mario79 | 963 | test byte [es:di], 80h ; lfb? |
964 | jz newprobe |
||
965 | cmp [es:di+0x12], cx ; x size? |
||
966 | jnz newprobe |
||
967 | cmp [es:di+0x14], dx ; y size? |
||
968 | jnz newprobe |
||
969 | cmp byte [es:di+0x19], 32 ;24 |
||
970 | jb newprobe |
||
1 | ha | 971 | |
40 | halyavin | 972 | ; add bx,0100000000000000b |
76 | mario79 | 973 | or bh, 40h |
1 | ha | 974 | mov [es:0x9008],bx |
975 | |||
976 | noprobe: |
||
977 | |||
978 | |||
979 | ; FIND VESA 2.0 LFB & BPP |
||
980 | |||
981 | mov ax,0x4f01 |
||
982 | mov cx,bx |
||
983 | and cx,0xfff |
||
984 | mov di,0xa000 |
||
985 | int 0x10 |
||
986 | ; LFB |
||
40 | halyavin | 987 | mov eax,[es:di+0x28] |
988 | mov [es:0x9018],eax |
||
1 | ha | 989 | ; ---- vbe voodoo |
381 | serge | 990 | BytesPerLine equ 0x10 |
991 | mov ax, [es:di+BytesPerLine] |
||
1 | ha | 992 | mov [es:0x9001],ax |
29 | halyavin | 993 | ; BPP |
40 | halyavin | 994 | mov al,byte [es:di+0x19] |
29 | halyavin | 995 | mov [es:0x9000],al |
1 | ha | 996 | nov: |
40 | halyavin | 997 | cmp al,24 |
76 | mario79 | 998 | mov si,bt24-0x10000 |
999 | jz bppl |
||
40 | halyavin | 1000 | cmp al,32 |
1 | ha | 1001 | mov si,bt32-0x10000 |
29 | halyavin | 1002 | jz bppl |
1 | ha | 1003 | mov si,btns-0x10000 |
76 | mario79 | 1004 | jmp sayerr |
40 | halyavin | 1005 | bppl: |
1 | ha | 1006 | call print |
1007 | |||
1008 | |||
1009 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
||
1010 | |||
76 | mario79 | 1011 | push es |
1 | ha | 1012 | mov ax,0x4f0A |
76 | mario79 | 1013 | xor bx, bx |
1 | ha | 1014 | int 0x10 |
1015 | xor eax,eax |
||
1016 | mov ax,es |
||
1017 | shl eax,4 |
||
29 | halyavin | 1018 | movzx ebx,di |
1 | ha | 1019 | add eax,ebx |
1020 | mov bx,[es:di] |
||
1021 | add eax,ebx |
||
1022 | pop es |
||
1023 | mov [es:0x9014],eax |
||
1024 | |||
1025 | |||
1026 | ; GRAPHICS ACCELERATION |
||
346 | diamond | 1027 | ; force yes |
1028 | mov [es:0x901C], byte 1 |
||
1 | ha | 1029 | |
346 | diamond | 1030 | ; DMA WRITE |
1 | ha | 1031 | |
346 | diamond | 1032 | mov al, [preboot_dma_write-0x10000] |
1033 | mov [es:0x901F],al |
||
1034 | |||
1 | ha | 1035 | ; VRR_M USE |
1036 | |||
29 | halyavin | 1037 | mov al,[preboot_vrrm-0x10000] |
1 | ha | 1038 | mov [es:0x9030],al |
1039 | mov [es:0x901E],byte 1 |
||
1040 | |||
1041 | ; BOOT DEVICE |
||
1042 | |||
76 | mario79 | 1043 | mov al, [preboot_device-0x10000] |
40 | halyavin | 1044 | dec al |
29 | halyavin | 1045 | mov [boot_dev-0x10000],al |
1 | ha | 1046 | |
1047 | ; READ DISKETTE TO MEMORY |
||
1048 | |||
40 | halyavin | 1049 | ; cmp [boot_dev-0x10000],0 |
1 | ha | 1050 | jne no_sys_on_floppy |
1051 | mov si,diskload-0x10000 |
||
1052 | call print |
||
76 | mario79 | 1053 | xor ax, ax ; reset drive |
1054 | xor dx, dx |
||
1 | ha | 1055 | int 0x13 |
134 | diamond | 1056 | ; now load floppy image to memory |
1057 | ; at first load boot sector and first FAT table |
||
1058 | mov cx, 0x0001 ; startcyl,startsector |
||
1059 | xor dx, dx ; starthead,drive |
||
1060 | mov al, 1+9 ; no of sectors to read |
||
1061 | mov bx, 0xB000 ; es:bx -> data area |
||
1062 | call boot_read_floppy |
||
1063 | ; and copy them to extended memory |
||
1064 | mov si, movedesc-0x10000 |
||
1065 | mov [si+8*2+3], bh |
||
1066 | push es |
||
1067 | push ds |
||
1068 | pop es |
||
1069 | mov cx, 256*10 |
||
1070 | mov ah, 0x87 |
||
1071 | int 0x15 |
||
76 | mario79 | 1072 | test ah, ah |
134 | diamond | 1073 | jz @f |
1074 | sayerr_floppy: |
||
1075 | mov dx, 0x3f2 |
||
1076 | mov al, 0 |
||
1077 | out dx, al |
||
1078 | mov si, memmovefailed-0x10000 |
||
1079 | jmp sayerr_plain |
||
1080 | @@: |
||
1081 | add dword [si+8*3+2], 512*10 |
||
1082 | ; copy FAT to second copy |
||
1083 | mov byte [si+8*2+3], 0xB2 |
||
1084 | mov cx, 256*9 |
||
1085 | mov ah, 0x87 |
||
1086 | int 0x15 |
||
1087 | pop es |
||
1088 | test ah, ah |
||
1089 | jnz sayerr_floppy |
||
1090 | add dword [si+8*3+2], 512*9 |
||
1091 | ; calculate total number of sectors to read |
||
1092 | mov ax, 1+9+14 ; boot+FAT+root |
||
1093 | mov di, 0xB203 |
||
1094 | .calc_loop: |
||
1095 | test word [es:di], 0xFFF |
||
1096 | jz @f |
||
1097 | inc ax |
||
1098 | @@: |
||
1099 | test word [es:di+1], 0xFFF0 |
||
1100 | jz @f |
||
1101 | inc ax |
||
1102 | @@: |
||
1103 | add di, 3 |
||
1104 | cmp di, 0xB200+1440*3 |
||
1105 | jb .calc_loop |
||
1106 | push ax |
||
1107 | mov bp, 1+9 ; already read sectors |
||
1108 | ; now read rest |
||
1109 | mov byte [si+8*2+3], 0xA0 |
||
1110 | mov di, 2-14 ; absolute sector-31 |
||
1111 | mov cx, 0x0002 ; cylinder=0, sector=2 |
||
1112 | mov dx, 0x0100 ; head=1, disk=0 |
||
1113 | .read_loop: |
||
1114 | ; determine whether sector must be read |
||
1115 | cmp di, 2 |
||
1116 | jl .read |
||
1117 | mov bx, di |
||
1118 | shr bx, 1 |
||
1119 | jnc .even |
||
1120 | test word [es:bx+di+0xB200], 0xFFF0 |
||
1121 | jmp @f |
||
1122 | .even: |
||
1123 | test word [es:bx+di+0xB200], 0xFFF |
||
1124 | @@: |
||
1125 | jz .skip |
||
1126 | .read: |
||
1127 | mov bx, 0xA000 |
||
1128 | mov al, 1 ; 1 sector |
||
1129 | call boot_read_floppy |
||
1130 | inc bp |
||
76 | mario79 | 1131 | push es |
1132 | push ds |
||
1 | ha | 1133 | pop es |
134 | diamond | 1134 | pusha |
1135 | mov cx, 256 |
||
1136 | mov ah, 0x87 |
||
1 | ha | 1137 | int 0x15 |
134 | diamond | 1138 | test ah, ah |
1 | ha | 1139 | popa |
134 | diamond | 1140 | pop es |
1141 | jnz sayerr_floppy |
||
1142 | .skip: |
||
1143 | add dword [si+8*3+2], 512 |
||
1144 | inc cx |
||
1145 | cmp cl, 19 |
||
1146 | jnz @f |
||
1147 | mov cl, 1 |
||
1 | ha | 1148 | inc dh |
134 | diamond | 1149 | cmp dh, 2 |
1150 | jnz @f |
||
1151 | mov dh, 0 |
||
1 | ha | 1152 | inc ch |
29 | halyavin | 1153 | @@: |
134 | diamond | 1154 | pop ax |
1155 | push ax |
||
1156 | pusha |
||
1157 | ; draw percentage |
||
1158 | ; total sectors: ax |
||
1159 | ; read sectors: bp |
||
1160 | xchg ax, bp |
||
1161 | mov cx, 100 |
||
1162 | mul cx |
||
1163 | div bp |
||
1164 | aam |
||
1165 | xchg al, ah |
||
1166 | add ax, '00' |
||
1167 | mov si, pros-0x10000 |
||
1168 | cmp [si], ax |
||
1169 | jz @f |
||
1170 | mov [si], ax |
||
1 | ha | 1171 | call printplain |
134 | diamond | 1172 | @@: |
1 | ha | 1173 | popa |
134 | diamond | 1174 | inc di |
1175 | cmp di, 2880-31 |
||
1176 | jnz .read_loop |
||
1177 | |||
1178 | ; mov cx, 0x0001 ; startcyl,startsector |
||
1179 | ; xor dx, dx ; starthead,drive |
||
1180 | ; push word 80*2 ; read no of sect |
||
1181 | ; reads: |
||
1182 | ; pusha |
||
1183 | ; xor si,si |
||
1184 | ; newread: |
||
1185 | ; mov bx,0xa000 ; es:bx -> data area |
||
1186 | ; mov ax,0x0200+18 ; read, no of sectors to read |
||
1187 | ; int 0x13 |
||
1188 | ; test ah, ah |
||
1189 | ; jz goodread |
||
1190 | ; inc si |
||
1191 | ; cmp si,10 |
||
1192 | ; jnz newread |
||
1193 | ; mov si,badsect-0x10000 |
||
1194 | ;sayerr_plain: |
||
1195 | ; call printplain |
||
1196 | ; jmp $ |
||
1197 | ; goodread: |
||
1198 | ; ; move -> 1mb |
||
1199 | ; mov si,movedesc-0x10000 |
||
1200 | ; push es |
||
1201 | ; push ds |
||
1202 | ; pop es |
||
1203 | ; mov cx,256*18 |
||
1204 | ; mov ah,0x87 |
||
1205 | ; int 0x15 |
||
1206 | ; pop es |
||
1207 | ; |
||
1208 | ; test ah,ah ; was the move successfull ? |
||
1209 | ; je goodmove |
||
1210 | ; mov dx,0x3f2 ; floppy motor off |
||
1211 | ; mov al,0 |
||
1212 | ; out dx,al |
||
1213 | ; mov si,memmovefailed-0x10000 |
||
1214 | ; jmp sayerr_plain |
||
1215 | ; goodmove: |
||
1216 | ; |
||
1217 | ; add dword [movedesc-0x10000+0x18+2], 512*18 |
||
1218 | ; popa |
||
1219 | ; inc dh |
||
1220 | ; cmp dh,2 |
||
1221 | ; jnz bb2 |
||
1222 | ; mov dh,0 |
||
1223 | ; inc ch |
||
1224 | ; pusha ; print prosentage |
||
1225 | ; mov si,pros-0x10000 |
||
1226 | ; shr ch, 2 |
||
1227 | ; mov al, '5' |
||
1228 | ; test ch, 1 |
||
1229 | ; jnz @f |
||
1230 | ; mov al, '0' |
||
1231 | ;@@: |
||
1232 | ; mov [si+1], al |
||
1233 | ; shr ch, 1 |
||
1234 | ; add ch, '0' |
||
1235 | ; mov [si], ch |
||
1236 | ; call printplain |
||
1237 | ; popa |
||
1238 | ; bb2: |
||
1239 | ; pop ax |
||
1240 | ; dec ax |
||
1241 | ; push ax |
||
1242 | ; jnz reads |
||
1243 | ; readdone: |
||
1244 | ; pop ax |
||
40 | halyavin | 1245 | mov si,backspace2-0x10000 |
1 | ha | 1246 | call printplain |
1247 | mov si,okt-0x10000 |
||
1248 | call printplain |
||
1249 | no_sys_on_floppy: |
||
76 | mario79 | 1250 | xor ax, ax ; reset drive |
1251 | xor dx, dx |
||
1 | ha | 1252 | int 0x13 |
1253 | mov dx,0x3f2 ; floppy motor off |
||
1254 | mov al,0 |
||
29 | halyavin | 1255 | out dx,al |
1 | ha | 1256 | |
1257 | |||
1258 | ; SET GRAPHICS |
||
1259 | |||
164 | serge | 1260 | xor ax, ax |
1261 | mov es, ax |
||
1262 | |||
1263 | mov ax,[es:0x9008] ; vga & 320x200 |
||
76 | mario79 | 1264 | mov bx, ax |
1 | ha | 1265 | cmp ax,0x13 |
1266 | je setgr |
||
1267 | cmp ax,0x12 |
||
1268 | je setgr |
||
1269 | mov ax,0x4f02 ; Vesa |
||
412 | serge | 1270 | setgr: |
1 | ha | 1271 | int 0x10 |
76 | mario79 | 1272 | test ah,ah |
1273 | mov si, fatalsel-0x10000 |
||
1274 | jnz sayerr |
||
1 | ha | 1275 | ; set mode 0x12 graphics registers: |
1276 | cmp bx,0x12 |
||
1277 | jne gmok2 |
||
1278 | |||
1279 | mov al,0x05 |
||
1280 | mov dx,0x03ce |
||
40 | halyavin | 1281 | push dx |
1 | ha | 1282 | out dx,al ; select GDC mode register |
1283 | mov al,0x02 |
||
76 | mario79 | 1284 | inc dx |
1 | ha | 1285 | out dx,al ; set write mode 2 |
1286 | |||
1287 | mov al,0x02 |
||
1288 | mov dx,0x03c4 |
||
1289 | out dx,al ; select VGA sequencer map mask register |
||
1290 | mov al,0x0f |
||
76 | mario79 | 1291 | inc dx |
1 | ha | 1292 | out dx,al ; set mask for all planes 0-3 |
1293 | |||
1294 | mov al,0x08 |
||
76 | mario79 | 1295 | pop dx |
1 | ha | 1296 | out dx,al ; select GDC bit mask register |
1297 | ; for writes to 0x03cf |
||
412 | serge | 1298 | gmok2: |
76 | mario79 | 1299 | push ds |
1300 | pop es |