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Rev | Author | Line No. | Line |
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1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; BOOTCODE.INC ;; |
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4 | ;; ;; |
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29 | halyavin | 5 | ;; KolibriOS 16-bit loader, ;; |
6 | ;; based on bootcode for MenuetOS ;; |
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1 | ha | 7 | ;; ;; |
8 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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9 | |||
10 | |||
11 | |||
12 | ;========================================================================== |
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13 | ; |
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14 | ; 16 BIT FUNCTIONS |
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15 | ; |
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16 | ;========================================================================== |
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17 | |||
29 | halyavin | 18 | putchar: |
19 | ; in: al=character |
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76 | mario79 | 20 | mov ah, 0Eh |
21 | mov bh, 0 |
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22 | int 10h |
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23 | ret |
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1 | ha | 24 | |
29 | halyavin | 25 | print: |
26 | ; in: si->string |
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76 | mario79 | 27 | mov al, 186 |
28 | call putchar |
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29 | mov al, ' ' |
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30 | call putchar |
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1 | ha | 31 | |
29 | halyavin | 32 | printplain: |
33 | ; in: si->string |
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76 | mario79 | 34 | pusha |
35 | lodsb |
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29 | halyavin | 36 | @@: |
76 | mario79 | 37 | call putchar |
38 | lodsb |
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39 | cmp al, 0 |
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40 | jnz @b |
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41 | popa |
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42 | ret |
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1 | ha | 43 | |
29 | halyavin | 44 | ; Now int 16 is used for keyboard support. |
45 | ; This is shorter, simpler and more reliable. |
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46 | if 0 |
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1 | ha | 47 | getkey: push ecx |
48 | push edx |
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49 | add ebx,0x0101 |
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50 | xor eax,eax |
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51 | |||
52 | gk1: |
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53 | in al,0x60 |
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54 | mov cl,al |
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55 | gk0: |
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56 | in al,0x60 |
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57 | cmp al,cl |
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58 | je gk0 |
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59 | cmp ax,11 |
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60 | jg gk0 |
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61 | gk0_1: |
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62 | mov cl,al |
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63 | |||
64 | ; add al,47 |
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65 | ; mov [ds:keyinbs-0x10000],al |
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66 | ; mov si,keyinbs-0x10000 |
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67 | ; call printplain |
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68 | |||
69 | gk12: |
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70 | in al,0x60 |
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71 | cmp al,cl |
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72 | je gk12 |
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73 | cmp ax,240 |
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74 | jne gk13 |
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75 | mov al,cl |
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76 | jmp gk14 |
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77 | gk13: |
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78 | add cl,128 |
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79 | cmp al,cl |
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80 | jne gk1 |
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81 | sub al,128 |
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82 | gk14: |
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83 | |||
84 | movzx edx,bl |
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85 | cmp eax,edx |
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86 | jb gk1 |
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87 | movzx edx,bh |
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88 | cmp eax,edx |
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89 | jg gk1 |
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90 | test ebx,0x010000 |
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91 | jnz gk3 |
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92 | mov cx,0x1000 |
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93 | mov dx,cx |
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94 | add eax,47 |
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95 | mov cx,ax |
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96 | cmp cx,58 |
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97 | jb gk_nozero |
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98 | sub cx,10 |
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99 | gk_nozero: |
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100 | mov [ds:keyin-0x10000],cl |
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101 | mov si,keyin-0x10000 |
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102 | call printplain |
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103 | gk3: |
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104 | sub eax,48 |
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105 | pop edx |
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106 | pop ecx |
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107 | ret |
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29 | halyavin | 108 | end if |
1 | ha | 109 | |
29 | halyavin | 110 | getkey: |
111 | ; get number in range [bl,bh] (bl,bh in ['0'..'9']) |
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112 | ; in: bx=range |
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113 | ; out: ax=digit (1..9, 10 for 0) |
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76 | mario79 | 114 | mov ah, 0 |
115 | int 16h |
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116 | cmp al, bl |
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117 | jb getkey |
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118 | cmp al, bh |
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119 | ja getkey |
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120 | push ax |
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121 | call putchar |
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122 | pop ax |
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123 | and ax, 0Fh |
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124 | jnz @f |
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125 | mov al, 10 |
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29 | halyavin | 126 | @@: |
76 | mario79 | 127 | ret |
1 | ha | 128 | |
29 | halyavin | 129 | setcursor: |
130 | ; in: dl=column, dh=row |
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76 | mario79 | 131 | mov ah, 2 |
132 | mov bh, 0 |
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133 | int 10h |
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134 | ret |
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29 | halyavin | 135 | |
136 | macro _setcursor row,column |
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137 | { |
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76 | mario79 | 138 | mov dx, row*256 + column |
139 | call setcursor |
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29 | halyavin | 140 | } |
141 | |||
40 | halyavin | 142 | pagetable_set: |
76 | mario79 | 143 | or al, 7 |
40 | halyavin | 144 | @@: |
76 | mario79 | 145 | stosd |
146 | add eax, 1000h |
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147 | loop @b |
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148 | ret |
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40 | halyavin | 149 | |
29 | halyavin | 150 | ; 16-bit data |
151 | ; videomodes table |
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152 | gr_table: |
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76 | mario79 | 153 | dw 0x112+0100000000000000b , 640 , 480 ; 1 |
154 | dw 0x115+0100000000000000b , 800 , 600 ; 2 |
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155 | dw 0x118+0100000000000000b , 1024 , 768 ; 3 |
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156 | dw 0x11B+0100000000000000b , 1280 , 1024 ; 4 |
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157 | dw 0x112 , 640 , 480 ; 5 |
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158 | dw 0x115 , 800 , 600 ; 6 |
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159 | dw 0x118 , 1024 , 768 ; 7 |
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160 | dw 0x11B , 1280 ,1024 ; 8 |
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161 | dw 0x13, 320, 200 ; 9 |
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162 | dw 0x12, 640, 480 ; 0 |
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29 | halyavin | 163 | |
164 | ; table for move to extended memory (int 15h, ah=87h) |
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165 | movedesc: |
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166 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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167 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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168 | |||
169 | db 0xff,0xff,0x0,0xa0,0x00,0x93,0x0,0x0 |
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170 | db 0xff,0xff,0x0,0x00,0x10,0x93,0x0,0x0 |
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171 | |||
172 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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173 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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174 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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175 | db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0 |
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176 | |||
1 | ha | 177 | ;========================================================================= |
178 | ; |
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179 | ; 16 BIT CODE |
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180 | ; |
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181 | ;========================================================================= |
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182 | |||
183 | |||
184 | start_of_code: |
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76 | mario79 | 185 | cld |
29 | halyavin | 186 | ; \begin{diamond}[02.12.2005] |
76 | mario79 | 187 | cmp ax, 'KL' |
188 | jnz @f |
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189 | mov word [cs:cfgmanager.loader_block-0x10000], si |
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190 | mov word [cs:cfgmanager.loader_block+2-0x10000], ds |
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29 | halyavin | 191 | @@: |
192 | ; \end{diamond}[02.12.2005] |
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1 | ha | 193 | |
29 | halyavin | 194 | ; set up stack |
76 | mario79 | 195 | mov ax, 3000h |
196 | mov ss, ax |
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197 | mov sp, 0EC00h |
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29 | halyavin | 198 | ; set up segment registers |
76 | mario79 | 199 | push cs |
200 | pop ds |
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201 | push cs |
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202 | pop es |
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1 | ha | 203 | |
29 | halyavin | 204 | ; set videomode |
76 | mario79 | 205 | mov ax, 3 |
1 | ha | 206 | int 0x10 |
207 | |||
208 | ; Load & set russian VGA font (RU.INC) |
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209 | mov bp,RU_FNT1-10000h ; RU_FNT1 - First part |
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210 | mov bx,1000h ; 768 bytes |
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211 | mov cx,30h ; 48 symbols |
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212 | mov dx,80h ; 128 - position of first symbol |
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213 | mov ax,1100h |
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214 | int 10h |
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215 | |||
216 | mov bp,RU_FNT2-10000h ; RU_FNT2 -Second part |
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217 | mov bx,1000h ; 512 bytes |
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218 | mov cx,20h ; 32 symbols |
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219 | mov dx,0E0h ; 224 - position of first symbol |
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220 | mov ax,1100h |
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221 | int 10h |
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222 | ; End set VGA russian font |
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223 | |||
29 | halyavin | 224 | ; draw frames |
76 | mario79 | 225 | push 0xb800 |
226 | pop es |
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227 | xor di, di |
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29 | halyavin | 228 | ; mov si,d80x25-0x10000 |
229 | ; mov cx,80*25 |
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230 | ; mov ah,1*16+15 |
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231 | ; dfl1: |
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232 | ; lodsb |
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233 | ; stosw |
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234 | ; loop dfl1 |
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76 | mario79 | 235 | mov ah, 1*16+15 |
29 | halyavin | 236 | ; draw top |
76 | mario79 | 237 | mov si, d80x25_top - 0x10000 |
238 | mov cx, d80x25_top_num * 80 |
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29 | halyavin | 239 | @@: |
76 | mario79 | 240 | lodsb |
241 | stosw |
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242 | loop @b |
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29 | halyavin | 243 | ; draw spaces |
76 | mario79 | 244 | mov si, space_msg - 0x10000 |
245 | mov cx, 25 - d80x25_top_num - d80x25_bottom_num |
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29 | halyavin | 246 | dfl1: |
76 | mario79 | 247 | push cx |
248 | push si |
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249 | mov cx, 80 |
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29 | halyavin | 250 | @@: |
76 | mario79 | 251 | lodsb |
252 | stosw |
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253 | loop @b |
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254 | pop si |
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255 | pop cx |
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256 | loop dfl1 |
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29 | halyavin | 257 | ; draw bottom |
76 | mario79 | 258 | mov si, d80x25_bottom - 0x10000 |
259 | mov cx, d80x25_bottom_num * 80 |
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29 | halyavin | 260 | @@: |
76 | mario79 | 261 | lodsb |
262 | stosw |
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263 | loop @b |
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1 | ha | 264 | |
76 | mario79 | 265 | mov byte [space_msg-0x10000+80], 0 ; now space_msg is null terminated |
1 | ha | 266 | |
76 | mario79 | 267 | _setcursor d80x25_top_num,0 |
1 | ha | 268 | |
269 | |||
270 | ; TEST FOR 386+ |
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271 | |||
76 | mario79 | 272 | mov bx, 0x4000 |
1 | ha | 273 | pushf |
274 | pop ax |
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275 | mov dx,ax |
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29 | halyavin | 276 | xor ax,bx |
1 | ha | 277 | push ax |
278 | popf |
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279 | pushf |
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280 | pop ax |
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29 | halyavin | 281 | and ax,bx |
282 | and dx,bx |
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1 | ha | 283 | cmp ax,dx |
284 | jnz cpugood |
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285 | mov si,not386-0x10000 |
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40 | halyavin | 286 | sayerr: |
1 | ha | 287 | call print |
288 | jmp $ |
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289 | cpugood: |
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290 | |||
29 | halyavin | 291 | ; set up esp |
76 | mario79 | 292 | movzx esp, sp |
1 | ha | 293 | |
294 | ; FLUSH 8042 KEYBOARD CONTROLLER |
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295 | |||
296 | ;// mike.dld [ |
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297 | ; mov al,0xED |
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298 | ; out 0x60,al |
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299 | ; or cx,-1 |
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300 | ; @@: |
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301 | ; in al,0x64 |
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302 | ; test al,2 |
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303 | ; jz @f |
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304 | ; loop @b |
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305 | ; @@: |
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306 | ; mov al,0 |
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307 | ; out 0x60,al |
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308 | ; or cx,-1 |
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309 | ; @@: |
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310 | ; in al,0x64 |
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311 | ; test al,2 |
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312 | ; jz @f |
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313 | ; loop @b |
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314 | ; @@: |
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315 | ;// mike.dld ] |
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316 | |||
317 | ; mov ecx,10000 |
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318 | ; fl1: |
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319 | ; in al,0x64 |
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320 | ; loop fl1 |
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321 | ; test al,1 |
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322 | ; jz fl2 |
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323 | ; in al,0x60 |
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324 | ; jmp fl1 |
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325 | ; fl2: |
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326 | |||
327 | ;**************************************************************** |
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328 | ; The function is modified Mario79 |
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329 | ;***************************************************************** |
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330 | ; wait_kbd: ; variant 1 |
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331 | ; mov cx,2500h ;çàäåðæêà ïîðÿäêà 10 ìñåê |
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332 | ; test_kbd: |
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333 | ; in al,64h ;÷èòàåì ñîñòîÿíèå êëàâèàòóðû |
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334 | ; test al,2 ;ïðîâåðêà áèòà ãîòîâíîñòè |
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335 | ; loopnz test_kbd |
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336 | |||
337 | mov al,0xf6 ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå |
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338 | out 0x60,al |
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29 | halyavin | 339 | xor cx,cx |
1 | ha | 340 | wait_loop: ; variant 2 |
341 | ; reading state of port of 8042 controller |
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342 | in al,64h |
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343 | and al,00000010b ; ready flag |
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344 | ; wait until 8042 controller is ready |
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345 | loopnz wait_loop |
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346 | |||
76 | mario79 | 347 | ; --------------- APM --------------------- |
348 | push 0 |
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349 | pop es |
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350 | mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) |
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351 | mov ax, 0x5300 |
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352 | xor bx, bx |
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353 | int 0x15 |
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354 | jc apm_end ; APM not found |
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355 | test cx, 2 |
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356 | jz apm_end ; APM 32-bit protected-mode interface not supported |
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357 | mov [es : 0x9044], ax ; Save APM Version |
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358 | mov [es : 0x9046], cx ; Save APM flags |
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359 | |||
360 | ; Write APM ver ---- |
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361 | jmp @f |
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362 | msg_apm:db ' APM x.x ', 0 |
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363 | @@: and ax, 0xf0f |
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364 | add ax, '00' |
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365 | mov [msg_apm - 0x10000 + 5], ah |
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366 | mov [msg_apm - 0x10000 + 7], al |
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367 | _setcursor 0, 3 |
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368 | mov si, msg_apm - 0x10000 |
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369 | call printplain |
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370 | _setcursor d80x25_top_num,0 |
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371 | ; ------------------ |
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372 | |||
373 | mov ax, 0x5304 ; Disconnect interface |
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374 | xor bx, bx |
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375 | int 0x15 |
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376 | mov ax, 0x5303 ; Connect 32 bit mode interface |
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377 | xor bx, bx |
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378 | int 0x15 |
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379 | ; init selectors |
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380 | movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment |
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381 | shl eax, 4 |
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382 | mov [apm_code_32 - 0x10000 + 2], ax |
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383 | shr eax, 16 |
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384 | mov [apm_code_32 - 0x10000 + 4], al |
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385 | movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment |
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386 | shl ecx, 4 |
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387 | mov [apm_code_16 - 0x10000 + 2], cx |
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388 | shr ecx, 16 |
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389 | mov [apm_code_16 - 0x10000 + 4], cl |
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390 | movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment |
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391 | shl edx, 4 |
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392 | mov [apm_data_16 - 0x10000 + 2], dx |
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393 | shr edx, 16 |
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394 | mov [apm_data_16 - 0x10000 + 4], dl |
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395 | mov [es : 0x9040], ebx ; offset of APM entry point |
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396 | apm_end: |
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397 | ; ----------------------------------------- |
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398 | |||
1 | ha | 399 | ; DISPLAY VESA INFORMATION |
400 | |||
76 | mario79 | 401 | push 0 |
402 | pop es |
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1 | ha | 403 | mov ax,0x4f00 |
404 | mov di,0xa000 |
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405 | int 0x10 |
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406 | cmp ax,0x004f |
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76 | mario79 | 407 | mov si, novesa-0x10000 |
408 | jnz @f |
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1 | ha | 409 | mov ax,[es:di+4] |
410 | add ax,'0'*256+'0' |
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76 | mario79 | 411 | mov si,vervesa-0x10000 |
40 | halyavin | 412 | mov [si+vervesa_off], ah |
413 | mov [si+vervesa_off+2], al |
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29 | halyavin | 414 | @@: call print |
1 | ha | 415 | |
29 | halyavin | 416 | ; \begin{diamond}[30.11.2005] |
417 | cfgmanager: |
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418 | ; settings: |
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419 | ; a) preboot_graph = graphical mode |
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420 | ; preboot_gprobe = probe this mode? |
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421 | ; b) preboot_mtrr = use hardware acceleration? |
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422 | ; c) preboot_vrrm = use VRR? |
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423 | ; d) preboot_device = from what boot? |
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76 | mario79 | 424 | mov di, preboot_graph-0x10000 |
29 | halyavin | 425 | ; check bootloader block |
76 | mario79 | 426 | cmp [.loader_block-0x10000], 0 |
427 | jz .noloaderblock |
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428 | les bx, [.loader_block-0x10000] |
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429 | cmp byte [es:bx], 1 |
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430 | mov si, loader_block_error-0x10000 |
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431 | jnz sayerr |
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432 | test byte [es:bx+1], 1 |
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433 | jz @f |
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29 | halyavin | 434 | ; image in memory present |
76 | mario79 | 435 | cmp [di+preboot_device-preboot_graph], 0 |
436 | jnz @f |
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437 | mov [di+preboot_device-preboot_graph], 3 |
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29 | halyavin | 438 | @@: |
439 | .noloaderblock: |
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440 | ; determine default settings |
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76 | mario79 | 441 | mov [.bSettingsChanged-0x10000], 0 |
442 | cmp byte [di], 0 |
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443 | jnz .preboot_gr_end |
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444 | mov [di+preboot_gprobe-preboot_graph], 0 |
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445 | mov al, [vervesa+vervesa_off-0x10000] |
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446 | cmp al, 'x' |
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447 | jz .novesa |
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448 | cmp al, '1' |
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449 | jz .vesa12 |
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450 | mov [di+preboot_gprobe-preboot_graph], 2 |
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451 | mov al, 3 |
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452 | jmp @f |
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29 | halyavin | 453 | .vesa12: |
76 | mario79 | 454 | mov al, 7 |
455 | jmp @f |
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29 | halyavin | 456 | .novesa: |
76 | mario79 | 457 | mov al, 10 |
29 | halyavin | 458 | @@: |
76 | mario79 | 459 | mov [di], al |
29 | halyavin | 460 | .preboot_gr_end: |
76 | mario79 | 461 | cmp [di+preboot_mtrr-preboot_graph], 1 |
462 | adc [di+preboot_mtrr-preboot_graph], 0 |
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463 | cmp [di+preboot_vrrm-preboot_graph], 1 |
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464 | adc [di+preboot_vrrm-preboot_graph], 0 |
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465 | cmp [di+preboot_device-preboot_graph], 1 |
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466 | adc [di+preboot_device-preboot_graph], 0 |
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29 | halyavin | 467 | ; notify user |
76 | mario79 | 468 | mov si, linef-0x10000 |
469 | call print |
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470 | mov si, start_msg-0x10000 |
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471 | call print |
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472 | mov si, time_msg-0x10000 |
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473 | call print |
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29 | halyavin | 474 | ; get start time |
76 | mario79 | 475 | call .gettime |
476 | mov [.starttime-0x10000], eax |
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477 | mov word [.timer-0x10000], .newtimer-0x10000 |
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478 | mov word [.timer-0x10000+2], cs |
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29 | halyavin | 479 | .printcfg: |
76 | mario79 | 480 | _setcursor 9,0 |
481 | mov si, current_cfg_msg-0x10000 |
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482 | call print |
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483 | mov si, curvideo_msg-0x10000 |
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484 | call print |
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485 | mov al, [preboot_graph-0x10000] |
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486 | cmp al, 8 |
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487 | ja .pnovesa |
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488 | mov dl, al |
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489 | and eax, 3 |
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490 | mov si, [modes_msg-0x10000+eax*2] |
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491 | call printplain |
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492 | mov si, modevesa20-0x10000 |
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493 | cmp dl, 4 |
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494 | jbe @f |
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495 | mov si, modevesa12-0x10000 |
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29 | halyavin | 496 | @@: |
76 | mario79 | 497 | call printplain |
498 | cmp dl, 4 |
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499 | ja .x |
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500 | mov si, probeno_msg-0x10000 |
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501 | cmp [preboot_gprobe-0x10000], 2 |
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502 | jnz @f |
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503 | mov si, probeok_msg-0x10000 |
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29 | halyavin | 504 | @@: |
76 | mario79 | 505 | call printplain |
29 | halyavin | 506 | .x: |
76 | mario79 | 507 | jmp .c |
29 | halyavin | 508 | .pnovesa: |
76 | mario79 | 509 | cmp al, 9 |
510 | mov si, mode9-0x10000 |
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511 | jz @b |
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512 | mov si, mode10-0x10000 |
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513 | jmp @b |
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29 | halyavin | 514 | .c: |
76 | mario79 | 515 | mov si, linef-0x10000 |
516 | call printplain |
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517 | mov si, mtrr_msg-0x10000 |
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518 | cmp [preboot_mtrr-0x10000], 1 |
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519 | call .say_on_off |
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520 | mov si, vrrm_msg-0x10000 |
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521 | cmp [preboot_vrrm-0x10000], 1 |
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522 | call .say_on_off |
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523 | mov si, preboot_device_msg-0x10000 |
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524 | call print |
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525 | mov al, [preboot_device-0x10000] |
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526 | and eax, 3 |
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527 | mov si, [preboot_device_msgs-0x10000+eax*2] |
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528 | call printplain |
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29 | halyavin | 529 | .wait: |
76 | mario79 | 530 | _setcursor 25,0 ; out of screen |
34 | halyavin | 531 | ; set timer interrupt handler |
76 | mario79 | 532 | cli |
533 | push 0 |
||
534 | pop es |
||
535 | mov eax, [es:8*4] |
||
536 | mov [.oldtimer-0x10000], eax |
||
537 | mov eax, [.timer-0x10000] |
||
538 | mov [es:8*4], eax |
||
539 | sti |
||
29 | halyavin | 540 | ; wait for keypressed |
76 | mario79 | 541 | mov ah, 0 |
542 | int 16h |
||
543 | push ax |
||
29 | halyavin | 544 | ; restore timer interrupt |
76 | mario79 | 545 | push 0 |
546 | pop es |
||
547 | mov eax, [.oldtimer-0x10000] |
||
548 | mov [es:8*4], eax |
||
549 | mov [.timer-0x10000], eax |
||
550 | _setcursor 7,0 |
||
551 | mov si, space_msg-0x10000 |
||
552 | call printplain |
||
553 | pop ax |
||
29 | halyavin | 554 | ; switch on key |
76 | mario79 | 555 | cmp al, 13 |
556 | jz .continue |
||
557 | or al, 20h |
||
558 | cmp al, 'a' |
||
559 | jz .change_a |
||
560 | cmp al, 'b' |
||
561 | jz .change_b |
||
562 | cmp al, 'c' |
||
563 | jz .change_c |
||
564 | cmp al, 'd' |
||
565 | jnz .wait |
||
566 | _setcursor 15,0 |
||
567 | mov si,bdev-0x10000 |
||
568 | call print |
||
569 | mov bx,'13' |
||
570 | call getkey |
||
571 | mov [preboot_device-0x10000], al |
||
572 | _setcursor 13,0 |
||
29 | halyavin | 573 | .d: |
76 | mario79 | 574 | mov [.bSettingsChanged-0x10000], 1 |
575 | mov si, space_msg-0x10000 |
||
576 | call printplain |
||
577 | _setcursor 15,0 |
||
578 | mov cx, 6 |
||
29 | halyavin | 579 | @@: |
76 | mario79 | 580 | call printplain |
581 | loop @b |
||
582 | jmp .printcfg |
||
29 | halyavin | 583 | .change_a: |
76 | mario79 | 584 | _setcursor 15,0 |
585 | mov si, gr_mode-0x10000 |
||
586 | call printplain |
||
587 | mov bx, '09' |
||
588 | call getkey |
||
589 | mov [preboot_graph-0x10000], al |
||
590 | cmp al, 4 |
||
591 | ja @f |
||
592 | mov si, probetext-0x10000 |
||
593 | call printplain |
||
594 | mov bx, '12' |
||
595 | call getkey |
||
596 | mov [preboot_gprobe-0x10000], al |
||
29 | halyavin | 597 | @@: |
76 | mario79 | 598 | _setcursor 10,0 |
599 | jmp .d |
||
29 | halyavin | 600 | .change_b: |
76 | mario79 | 601 | _setcursor 15,0 |
602 | mov si, gr_acc-0x10000 |
||
603 | call print |
||
604 | mov bx, '12' |
||
605 | call getkey |
||
606 | mov [preboot_mtrr-0x10000], al |
||
607 | _setcursor 11,0 |
||
608 | jmp .d |
||
29 | halyavin | 609 | .change_c: |
76 | mario79 | 610 | _setcursor 15,0 |
611 | mov si, vrrmprint-0x10000 |
||
612 | call print |
||
613 | mov bx, '12' |
||
614 | call getkey |
||
615 | mov [preboot_vrrm-0x10000], al |
||
616 | _setcursor 12,0 |
||
617 | jmp .d |
||
40 | halyavin | 618 | .say_on_off: |
76 | mario79 | 619 | pushf |
620 | call print |
||
621 | mov si, on_msg-0x10000 |
||
622 | popf |
||
623 | jz @f |
||
624 | mov si, off_msg-0x10000 |
||
625 | @@: call printplain |
||
626 | ret |
||
40 | halyavin | 627 | ; novesa and vervesa strings are not used at the moment of executing this code |
628 | virtual at novesa |
||
29 | halyavin | 629 | .oldtimer dd ? |
630 | .starttime dd ? |
||
631 | .bSettingsChanged db ? |
||
34 | halyavin | 632 | .timer dd ? |
40 | halyavin | 633 | end virtual |
29 | halyavin | 634 | .loader_block dd 0 |
635 | .gettime: |
||
76 | mario79 | 636 | mov ah, 0 |
637 | int 1Ah |
||
638 | xchg ax, cx |
||
639 | shl eax, 10h |
||
640 | xchg ax, dx |
||
641 | ret |
||
29 | halyavin | 642 | .newtimer: |
76 | mario79 | 643 | push ds |
644 | push cs |
||
645 | pop ds |
||
646 | pushf |
||
647 | call [.oldtimer-0x10000] |
||
648 | pushad |
||
649 | call .gettime |
||
650 | sub eax, [.starttime-0x10000] |
||
651 | sub ax, 18*5 |
||
652 | jae .timergo |
||
653 | neg ax |
||
654 | add ax, 18-1 |
||
655 | mov bx, 18 |
||
656 | xor dx, dx |
||
657 | div bx |
||
29 | halyavin | 658 | if lang eq ru |
659 | ; ¯®¤®¦¤¨â¥ 5 ᥪã¤, 4/3/2 ᥪã¤ë, 1 ᥪã¤ã |
||
76 | mario79 | 660 | cmp al, 5 |
661 | mov cl, ' ' |
||
662 | jae @f |
||
663 | cmp al, 1 |
||
664 | mov cl, 'ã' |
||
665 | jz @f |
||
666 | mov cl, 'ë' |
||
667 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 668 | else |
669 | ; wait 5/4/3/2 seconds, 1 second |
||
76 | mario79 | 670 | cmp al, 1 |
671 | mov cl, 's' |
||
672 | ja @f |
||
673 | mov cl, ' ' |
||
674 | @@: mov [time_str+9-0x10000], cl |
||
29 | halyavin | 675 | end if |
76 | mario79 | 676 | add al, '0' |
677 | mov [time_str+1-0x10000], al |
||
678 | mov si, time_msg-0x10000 |
||
679 | _setcursor 7,0 |
||
680 | call print |
||
681 | _setcursor 25,0 |
||
682 | popad |
||
683 | pop ds |
||
684 | iret |
||
29 | halyavin | 685 | .timergo: |
76 | mario79 | 686 | push 0 |
687 | pop es |
||
688 | mov eax, [.oldtimer-0x10000] |
||
689 | mov [es:8*4], eax |
||
690 | mov sp, 0EC00h |
||
29 | halyavin | 691 | .continue: |
76 | mario79 | 692 | sti |
693 | _setcursor 6,0 |
||
694 | mov si, space_msg-0x10000 |
||
695 | call printplain |
||
696 | call printplain |
||
697 | _setcursor 6,0 |
||
698 | mov si, loading_msg-0x10000 |
||
699 | call print |
||
700 | _setcursor 15,0 |
||
701 | cmp [.bSettingsChanged-0x10000], 0 |
||
702 | jz .load |
||
703 | cmp [.loader_block-0x10000], 0 |
||
704 | jz .load |
||
705 | les bx, [.loader_block-0x10000] |
||
706 | mov eax, [es:bx+3] |
||
707 | push ds |
||
708 | pop es |
||
709 | test eax, eax |
||
710 | jz .load |
||
711 | push eax |
||
712 | mov si, save_quest-0x10000 |
||
713 | call print |
||
29 | halyavin | 714 | .waityn: |
76 | mario79 | 715 | mov ah, 0 |
716 | int 16h |
||
717 | or al, 20h |
||
718 | cmp al, 'n' |
||
719 | jz .loadc |
||
720 | cmp al, 'y' |
||
721 | jnz .waityn |
||
722 | call putchar |
||
723 | mov byte [space_msg-0x10000+80], 186 |
||
724 | pop eax |
||
725 | push cs |
||
726 | push .cont-0x10000 |
||
727 | push eax |
||
728 | retf |
||
29 | halyavin | 729 | .loadc: |
76 | mario79 | 730 | pop eax |
29 | halyavin | 731 | .cont: |
76 | mario79 | 732 | push cs |
733 | pop ds |
||
734 | mov si, space_msg-0x10000 |
||
735 | mov byte [si+80], 0 |
||
736 | _setcursor 15,0 |
||
737 | call printplain |
||
738 | _setcursor 15,0 |
||
29 | halyavin | 739 | .load: |
740 | ; \end{diamond}[02.12.2005] |
||
1 | ha | 741 | |
742 | ; ASK GRAPHICS MODE |
||
743 | |||
76 | mario79 | 744 | movzx ax, [preboot_graph-0x10000] |
745 | push 0 |
||
746 | pop es |
||
29 | halyavin | 747 | ; address is gr_table+6*(ax-1)-0x10000 |
76 | mario79 | 748 | add ax, ax |
749 | lea si, [gr_table-0x10000 + eax + eax*2 - 6] |
||
29 | halyavin | 750 | mov bx,[si+0] |
751 | mov cx,[si+2] |
||
752 | mov dx,[si+4] |
||
76 | mario79 | 753 | cmp al, 9*2 |
754 | mov al, 32 ; BPP |
||
755 | jb @f |
||
756 | mov [es:0x9000], al |
||
757 | mov dword [es:0x9018], 0x800000 |
||
29 | halyavin | 758 | @@: |
1 | ha | 759 | mov [es:0x9008],bx |
760 | mov [es:0x900A],cx |
||
761 | mov [es:0x900C],dx |
||
76 | mario79 | 762 | test bh, bh |
763 | jz nov |
||
1 | ha | 764 | |
765 | ; USE DEFAULTS OR PROBE |
||
766 | |||
767 | ; bx - mode : cx - x size : dx - y size |
||
76 | mario79 | 768 | cmp [preboot_gprobe-0x10000], 1 |
769 | jz noprobe |
||
1 | ha | 770 | |
771 | mov bx,0x100 |
||
772 | newprobe: |
||
773 | inc bx |
||
774 | cmp bx,0x17f |
||
76 | mario79 | 775 | mov si,prnotfnd-0x10000 |
776 | jz sayerr |
||
1 | ha | 777 | |
778 | probemore: |
||
76 | mario79 | 779 | push cx |
1 | ha | 780 | mov ax,0x4f01 |
781 | mov cx,bx |
||
782 | and cx,0xfff |
||
783 | mov di,0xa000 |
||
784 | int 0x10 |
||
76 | mario79 | 785 | pop cx |
1 | ha | 786 | |
76 | mario79 | 787 | test byte [es:di], 80h ; lfb? |
788 | jz newprobe |
||
789 | cmp [es:di+0x12], cx ; x size? |
||
790 | jnz newprobe |
||
791 | cmp [es:di+0x14], dx ; y size? |
||
792 | jnz newprobe |
||
793 | cmp byte [es:di+0x19], 32 ;24 |
||
794 | jb newprobe |
||
1 | ha | 795 | |
40 | halyavin | 796 | ; add bx,0100000000000000b |
76 | mario79 | 797 | or bh, 40h |
1 | ha | 798 | mov [es:0x9008],bx |
799 | |||
800 | noprobe: |
||
801 | |||
802 | |||
803 | ; FIND VESA 2.0 LFB & BPP |
||
804 | |||
805 | mov ax,0x4f01 |
||
806 | mov cx,bx |
||
807 | and cx,0xfff |
||
808 | mov di,0xa000 |
||
809 | int 0x10 |
||
810 | ; LFB |
||
40 | halyavin | 811 | mov eax,[es:di+0x28] |
812 | mov [es:0x9018],eax |
||
1 | ha | 813 | ; ---- vbe voodoo |
814 | BytesPerScanLine equ 0x10 |
||
815 | mov ax, [es:di+BytesPerScanLine] |
||
816 | mov [es:0x9001],ax |
||
29 | halyavin | 817 | ; BPP |
40 | halyavin | 818 | mov al,byte [es:di+0x19] |
29 | halyavin | 819 | mov [es:0x9000],al |
1 | ha | 820 | nov: |
40 | halyavin | 821 | cmp al,24 |
76 | mario79 | 822 | mov si,bt24-0x10000 |
823 | jz bppl |
||
40 | halyavin | 824 | cmp al,32 |
1 | ha | 825 | mov si,bt32-0x10000 |
29 | halyavin | 826 | jz bppl |
1 | ha | 827 | mov si,btns-0x10000 |
76 | mario79 | 828 | jmp sayerr |
40 | halyavin | 829 | bppl: |
1 | ha | 830 | call print |
831 | |||
832 | |||
833 | ; FIND VESA 1.2 PM BANK SWITCH ADDRESS |
||
834 | |||
76 | mario79 | 835 | push es |
1 | ha | 836 | mov ax,0x4f0A |
76 | mario79 | 837 | xor bx, bx |
1 | ha | 838 | int 0x10 |
839 | xor eax,eax |
||
840 | mov ax,es |
||
841 | shl eax,4 |
||
29 | halyavin | 842 | movzx ebx,di |
1 | ha | 843 | add eax,ebx |
844 | mov bx,[es:di] |
||
845 | add eax,ebx |
||
846 | pop es |
||
847 | mov [es:0x9014],eax |
||
848 | |||
849 | |||
850 | ; GRAPHICS ACCELERATION |
||
851 | |||
29 | halyavin | 852 | mov al, [preboot_mtrr-0x10000] |
1 | ha | 853 | mov [es:0x901C],al |
854 | |||
855 | ; VRR_M USE |
||
856 | |||
29 | halyavin | 857 | mov al,[preboot_vrrm-0x10000] |
1 | ha | 858 | mov [es:0x9030],al |
859 | |||
860 | |||
861 | ; MEMORY MODEL |
||
862 | |||
863 | ; movzx eax,byte [es:preboot_memory-0x10000] |
||
864 | ; cmp eax,0 |
||
865 | ; jne pre_mem |
||
866 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
867 | ; mario79 - memory size ; |
||
868 | ;;;;;;;;;;;;;;;;;;;;;;;;; |
||
869 | ; mov ax,0E801h |
||
870 | ;;; xor bx,bx ; thanks to Alexei for bugfix [18.07.2004] |
||
871 | ; xor cx, cx |
||
872 | ; xor dx, dx |
||
873 | ; int 0x15 |
||
874 | ; movzx ebx, dx ;bx |
||
875 | ; movzx eax, cx ;ax |
||
876 | ; shl ebx,6 ; ïåðåâîä â êèëîáàéòû (x64) |
||
877 | ; add eax,ebx |
||
878 | ; add eax, 1000h ;440h |
||
879 | ; cmp eax,40000h ; 256? |
||
880 | ; jge mem_256_z |
||
881 | ; cmp eax,20000h ; 128? |
||
882 | ; jge mem_128_z |
||
883 | ; cmp eax,10000h ; 64? |
||
884 | ; jge mem_64_z |
||
885 | ; cmp eax,8000h ; 32? |
||
886 | ; jge mem_32_z |
||
887 | ; jmp mem_16_z |
||
888 | ; |
||
889 | ;mem_256_z: mov si,memokz256-0x10000 |
||
890 | ; call printplain |
||
891 | ; mov eax,5 |
||
892 | ; jmp pre_mem |
||
893 | ;mem_128_z: mov si,memokz128-0x10000 |
||
894 | ; call printplain |
||
895 | ; mov eax,4 |
||
896 | ; jmp pre_mem |
||
897 | ;mem_64_z: mov si,memokz64-0x10000 |
||
898 | ; call printplain |
||
899 | ; mov eax,3 |
||
900 | ; jmp pre_mem |
||
901 | ;mem_32_z: mov si,memokz32-0x10000 |
||
902 | ; call printplain |
||
903 | ; mov eax,2 |
||
904 | ; jmp pre_mem |
||
905 | ;mem_16_z: mov si,memokz16-0x10000 |
||
906 | ; call printplain |
||
907 | ; mov eax,1 |
||
908 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
909 | ; pre_mem: |
||
910 | ; push word 0x0000 |
||
911 | ; pop es |
||
912 | ; mov [es:0x9030],al |
||
913 | ; push word 0x1000 |
||
914 | ; pop es |
||
915 | ; mov si,linef-0x10000 |
||
916 | ; call printplain |
||
917 | |||
918 | |||
919 | |||
920 | |||
921 | ; DIRECT WRITE TO LFB, PAGING DISABLED |
||
922 | |||
923 | ; movzx eax,byte [es:preboot_lfb-0x10000] |
||
924 | ; mov eax,1 ; paging disabled |
||
925 | ; cmp eax,0 |
||
926 | ; jne pre_lfb |
||
927 | ; mov si,gr_direct-0x10000 |
||
928 | ; call printplain |
||
29 | halyavin | 929 | ; mov ebx,'12' |
1 | ha | 930 | ; call getkey |
931 | ; pre_lfb: |
||
932 | ; push word 0x0000 |
||
933 | ; pop es |
||
934 | ; mov [es:0x901E],al |
||
935 | ; mov ax,0x1000 |
||
936 | ; mov es,ax |
||
937 | ; mov si,linef-0x10000 |
||
938 | ; call printplain |
||
939 | mov [es:0x901E],byte 1 |
||
940 | |||
941 | |||
942 | |||
943 | ; BOOT DEVICE |
||
944 | |||
76 | mario79 | 945 | mov al, [preboot_device-0x10000] |
40 | halyavin | 946 | dec al |
29 | halyavin | 947 | mov [boot_dev-0x10000],al |
1 | ha | 948 | |
949 | ; READ DISKETTE TO MEMORY |
||
950 | |||
40 | halyavin | 951 | ; cmp [boot_dev-0x10000],0 |
1 | ha | 952 | jne no_sys_on_floppy |
953 | mov si,diskload-0x10000 |
||
954 | call print |
||
76 | mario79 | 955 | xor ax, ax ; reset drive |
956 | xor dx, dx |
||
1 | ha | 957 | int 0x13 |
958 | mov cx,0x0001 ; startcyl,startsector |
||
76 | mario79 | 959 | xor dx, dx ; starthead,drive |
1 | ha | 960 | push word 80*2 ; read no of sect |
961 | reads: |
||
962 | pusha |
||
963 | xor si,si |
||
964 | newread: |
||
965 | mov bx,0xa000 ; es:bx -> data area |
||
966 | mov ax,0x0200+18 ; read, no of sectors to read |
||
967 | int 0x13 |
||
76 | mario79 | 968 | test ah, ah |
1 | ha | 969 | jz goodread |
76 | mario79 | 970 | inc si |
1 | ha | 971 | cmp si,10 |
972 | jnz newread |
||
973 | mov si,badsect-0x10000 |
||
40 | halyavin | 974 | sayerr_plain: |
1 | ha | 975 | call printplain |
976 | jmp $ |
||
977 | goodread: |
||
978 | ; move -> 1mb |
||
979 | mov si,movedesc-0x10000 |
||
76 | mario79 | 980 | push es |
981 | push ds |
||
1 | ha | 982 | pop es |
983 | mov cx,256*18 |
||
984 | mov ah,0x87 |
||
985 | int 0x15 |
||
76 | mario79 | 986 | pop es |
1 | ha | 987 | |
29 | halyavin | 988 | test ah,ah ; was the move successfull ? |
1 | ha | 989 | je goodmove |
990 | mov dx,0x3f2 ; floppy motor off |
||
991 | mov al,0 |
||
992 | out dx,al |
||
993 | mov si,memmovefailed-0x10000 |
||
76 | mario79 | 994 | jmp sayerr_plain |
1 | ha | 995 | goodmove: |
996 | |||
76 | mario79 | 997 | add dword [movedesc-0x10000+0x18+2], 512*18 |
1 | ha | 998 | popa |
999 | inc dh |
||
1000 | cmp dh,2 |
||
1001 | jnz bb2 |
||
1002 | mov dh,0 |
||
1003 | inc ch |
||
1004 | pusha ; print prosentage |
||
1005 | mov si,pros-0x10000 |
||
76 | mario79 | 1006 | shr ch, 2 |
1007 | mov al, '5' |
||
1008 | test ch, 1 |
||
1009 | jnz @f |
||
1010 | mov al, '0' |
||
29 | halyavin | 1011 | @@: |
76 | mario79 | 1012 | mov [si+1], al |
1013 | shr ch, 1 |
||
1014 | add ch, '0' |
||
1015 | mov [si], ch |
||
1 | ha | 1016 | call printplain |
1017 | popa |
||
1018 | bb2: |
||
1019 | pop ax |
||
1020 | dec ax |
||
1021 | push ax |
||
29 | halyavin | 1022 | jnz reads |
1 | ha | 1023 | readdone: |
1024 | pop ax |
||
40 | halyavin | 1025 | mov si,backspace2-0x10000 |
1 | ha | 1026 | call printplain |
1027 | mov si,okt-0x10000 |
||
1028 | call printplain |
||
1029 | no_sys_on_floppy: |
||
76 | mario79 | 1030 | xor ax, ax ; reset drive |
1031 | xor dx, dx |
||
1 | ha | 1032 | int 0x13 |
1033 | mov dx,0x3f2 ; floppy motor off |
||
1034 | mov al,0 |
||
29 | halyavin | 1035 | out dx,al |
1 | ha | 1036 | |
76 | mario79 | 1037 | push es |
1 | ha | 1038 | ; PAGE TABLE |
1039 | |||
76 | mario79 | 1040 | push dword [es:0x9018] |
1 | ha | 1041 | |
1042 | map_mem equ 64 ; amount of memory to map |
||
1043 | |||
76 | mario79 | 1044 | push 0x6000 |
1045 | pop es ; es:di = 6000:0 |
||
29 | halyavin | 1046 | xor di,di |
1047 | mov cx,256*map_mem ; Map (mapmem) M |
||
40 | halyavin | 1048 | ; mov eax,7 |
1049 | ; pt2: |
||
1050 | ; cmp cx,256*(map_mem-8) ; 8 M map to LFB |
||
1051 | ; jnz pt3 |
||
1052 | ; pop eax |
||
1053 | ; add eax,7 |
||
1054 | ; pt3: |
||
1055 | ; cmp cx,256*(map_mem-12) ; 12 M back to linear = physical |
||
1056 | ; jnz pt4 |
||
1057 | ; mov eax,12*0x100000 + 7 |
||
1058 | ; pt4: |
||
1059 | ; stosd |
||
1060 | ; add eax,4096 |
||
1061 | ; loop pt2 |
||
1062 | ; initialize as identity mapping |
||
76 | mario79 | 1063 | xor eax, eax |
1064 | call pagetable_set |
||
40 | halyavin | 1065 | ; 8M..12M map to LFB |
76 | mario79 | 1066 | pop eax |
1067 | ; mov cx, 256*4 |
||
1068 | mov ch, 4 |
||
1069 | mov di, 2000h |
||
1070 | call pagetable_set |
||
40 | halyavin | 1071 | |
76 | mario79 | 1072 | push 0x7100 |
1073 | pop es |
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29 | halyavin | 1074 | xor di,di |
40 | halyavin | 1075 | mov eax,8*0x100000 |
29 | halyavin | 1076 | mov cx,256*4 |
76 | mario79 | 1077 | call pagetable_set |
1 | ha | 1078 | |
1079 | ; 4 KB PAGE DIRECTORY |
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1080 | |||
76 | mario79 | 1081 | push 0x7F00 |
1082 | pop es ; es:di = 7F00:0 |
||
29 | halyavin | 1083 | xor di, di |
1084 | mov cx, 64 / 4 |
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1 | ha | 1085 | mov eax, 0x60007 ; for 0 M |
76 | mario79 | 1086 | call pagetable_set |
1 | ha | 1087 | mov dword [es:0x800],0x71007 ;map region 0x80000000-0x803FFFFF to 0x800000-0xCFFFFF |
29 | halyavin | 1088 | xor si,si |
1089 | mov di,second_base_address shr 20 |
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40 | halyavin | 1090 | mov cx,64/2 |
1091 | rep movs word [es:di], [es:si] |
||
1 | ha | 1092 | |
1093 | mov eax, 0x7F000 +8+16 ; Page directory and enable caches |
||
1094 | mov cr3, eax |
||
1095 | |||
1096 | ; SET GRAPHICS |
||
1097 | |||
76 | mario79 | 1098 | pop es |
1099 | mov ax,[es:0x9008] ; vga & 320x200 |
||
1100 | mov bx, ax |
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1 | ha | 1101 | cmp ax,0x13 |
1102 | je setgr |
||
1103 | cmp ax,0x12 |
||
1104 | je setgr |
||
1105 | mov ax,0x4f02 ; Vesa |
||
1106 | setgr: |
||
1107 | int 0x10 |
||
76 | mario79 | 1108 | test ah,ah |
1109 | mov si, fatalsel-0x10000 |
||
1110 | jnz sayerr |
||
1 | ha | 1111 | ; set mode 0x12 graphics registers: |
1112 | cmp bx,0x12 |
||
1113 | jne gmok2 |
||
1114 | |||
1115 | mov al,0x05 |
||
1116 | mov dx,0x03ce |
||
40 | halyavin | 1117 | push dx |
1 | ha | 1118 | out dx,al ; select GDC mode register |
1119 | mov al,0x02 |
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76 | mario79 | 1120 | inc dx |
1 | ha | 1121 | out dx,al ; set write mode 2 |
1122 | |||
1123 | mov al,0x02 |
||
1124 | mov dx,0x03c4 |
||
1125 | out dx,al ; select VGA sequencer map mask register |
||
1126 | mov al,0x0f |
||
76 | mario79 | 1127 | inc dx |
1 | ha | 1128 | out dx,al ; set mask for all planes 0-3 |
1129 | |||
1130 | mov al,0x08 |
||
76 | mario79 | 1131 | pop dx |
1 | ha | 1132 | out dx,al ; select GDC bit mask register |
1133 | ; for writes to 0x03cf |
||
1134 | |||
1135 | gmok2: |
||
76 | mario79 | 1136 | push ds |
1137 | pop es |