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Rev | Author | Line No. | Line |
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31 | halyavin | 1 | ; |
2 | ; LAUNCHER - АВТОЗАПУСК ПРОГРАММ |
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3 | ; Код программы совсем не оптимизирован, но очень прост для понимания. |
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4 | ; Этот лаунчер грузит информацию о программах для запуска из файла |
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5 | ; AUTORUN.DAT. Формат очень прост и в комментариях не нуждается. |
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6 | ; |
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7 | ; Компилируйте с помощью FASM 1.52 и выше |
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8 | ; |
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1741 | dunkaist | 9 | include "../../../macros.inc" |
31 | halyavin | 10 | |
11 | use32 |
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12 | org 0x0 |
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13 | db 'MENUET01' ; 8 byte id |
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14 | dd 0x01 ; header version |
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15 | dd START ; start of code |
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16 | dd I_END ; size of image |
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17 | dd 0x8000 ; memory for app |
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18 | dd 0x8000 ; esp |
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19 | dd 0x0 , 0x0 ; I_Param , I_Icon |
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20 | |||
21 | ;include "DEBUG.INC" |
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22 | |||
23 | START: ; start of execution |
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24 | |||
132 | diamond | 25 | ; mov eax, 5 |
26 | ; mov ebx, 10 |
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485 | heavyiron | 27 | ; mcall |
31 | halyavin | 28 | |
1013 | diamond | 29 | ; mcall 18,15 |
132 | diamond | 30 | |
142 | diamond | 31 | mov eax, 70 ; load AUTORUN.DAT |
31 | halyavin | 32 | mov ebx, autorun_dat_info |
485 | heavyiron | 33 | mcall |
1013 | diamond | 34 | add ebx, file_data |
35 | mov [fileend], ebx |
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31 | halyavin | 36 | |
1013 | diamond | 37 | ; this cycle does not contain an obvious exit condition, |
38 | ; but auxiliary procedures (like "get_string") will exit |
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39 | ; at EOF |
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31 | halyavin | 40 | start_program: |
1013 | diamond | 41 | call skip_spaces |
42 | cmp al,'#' |
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43 | jz skip_this_string |
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31 | halyavin | 44 | call clear_strings |
45 | mov edi, program |
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46 | call get_string |
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47 | mov edi, parameters |
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48 | call get_string |
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49 | call get_number |
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1013 | diamond | 50 | ;dps <"STARTING A PROGRAM",13,10> |
31 | halyavin | 51 | call run_program |
1013 | diamond | 52 | skip_this_string: |
31 | halyavin | 53 | call next_line |
1013 | diamond | 54 | jmp start_program |
31 | halyavin | 55 | |
56 | exit: |
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57 | or eax, -1 |
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485 | heavyiron | 58 | mcall |
31 | halyavin | 59 | |
60 | |||
61 | run_program: ; time to delay in eax |
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62 | push eax |
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142 | diamond | 63 | mcall 70, start_info |
31 | halyavin | 64 | pop ebx |
65 | |||
1013 | diamond | 66 | ; if delay is negative, wait for termination |
67 | ; of the spawned process |
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68 | test ebx, ebx |
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69 | js must_wait_for_termination |
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70 | ; otherwise, simply wait |
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31 | halyavin | 71 | mov eax, 5 |
485 | heavyiron | 72 | mcall |
1013 | diamond | 73 | ret |
74 | must_wait_for_termination: |
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75 | mov esi, eax ; save slot for the future |
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76 | ; get process slot |
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77 | mov ecx, eax |
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78 | mcall 18, 21 |
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79 | ; if an error has occured, exit |
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80 | test eax, eax |
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81 | jz child_exited |
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82 | mov ecx, eax |
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83 | ; wait |
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84 | wait_for_termination: |
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85 | mcall 5, 1 |
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86 | mov ebx, processinfo |
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87 | mcall 9 |
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88 | cmp word [ebx+50], 9 ; the slot was freed? |
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89 | jz child_exited |
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90 | cmp dword [ebx+30], esi ; the slot is still occupied by our child? |
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91 | jz wait_for_termination |
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92 | child_exited: |
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93 | ret |
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31 | halyavin | 94 | |
95 | clear_strings: ; clears buffers |
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96 | pushad |
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97 | |||
98 | mov ecx, 60 |
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99 | mov edi, program |
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100 | xor al, al ;mov al, ' ' |
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101 | rep stosb |
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102 | |||
103 | mov ecx, 60 |
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104 | mov edi, parameters |
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105 | rep stosb |
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106 | |||
107 | popad |
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108 | ret |
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109 | |||
110 | |||
111 | get_string: ; pointer to destination buffer in edi |
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112 | pushad |
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113 | call skip_spaces |
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114 | mov esi, [position] |
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115 | ;dpd esi |
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116 | ;dps <13,10> |
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117 | add esi, file_data |
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118 | .start: |
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1013 | diamond | 119 | cmp esi, [fileend] |
120 | jae exit |
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31 | halyavin | 121 | lodsb |
122 | cmp al, ' ' |
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123 | je .finish |
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124 | stosb |
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125 | inc [position] |
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126 | jmp .start |
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127 | .finish: |
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128 | popad |
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129 | ret |
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130 | |||
131 | |||
132 | get_number: |
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133 | push ebx esi |
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134 | call skip_spaces |
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135 | mov esi, [position] |
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136 | add esi, file_data |
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137 | xor eax, eax |
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1013 | diamond | 138 | cmp byte [esi], '-' |
139 | jnz @f |
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140 | inc eax |
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141 | inc esi |
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142 | inc [position] |
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143 | @@: |
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144 | push eax |
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145 | xor eax, eax |
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31 | halyavin | 146 | xor ebx, ebx |
147 | .start: |
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1013 | diamond | 148 | cmp esi, [fileend] |
149 | jae .finish |
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31 | halyavin | 150 | lodsb |
142 | diamond | 151 | sub al, '0' |
152 | cmp al, 9 |
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31 | halyavin | 153 | ja .finish |
142 | diamond | 154 | lea ebx,[ebx*4+ebx] |
155 | lea ebx,[ebx*2+eax] |
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31 | halyavin | 156 | inc [position] |
157 | jmp .start |
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158 | .finish: |
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1013 | diamond | 159 | pop eax |
160 | dec eax |
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161 | jnz @f |
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162 | neg ebx |
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163 | @@: |
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31 | halyavin | 164 | mov eax, ebx |
165 | pop esi ebx |
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166 | ret |
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167 | |||
168 | |||
169 | skip_spaces: |
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1013 | diamond | 170 | push esi |
31 | halyavin | 171 | xor eax, eax |
172 | mov esi, [position] |
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173 | add esi, file_data |
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174 | .start: |
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1013 | diamond | 175 | cmp esi, [fileend] |
176 | jae .finish |
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31 | halyavin | 177 | lodsb |
178 | cmp al, ' ' |
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179 | jne .finish |
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180 | inc [position] |
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181 | jmp .start |
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182 | .finish: |
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183 | ;dps "NOW AL = " |
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184 | ;mov [tmp],al |
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185 | ;mov edx, tmp |
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186 | ;call debug_outstr |
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187 | ;dps <13,10> |
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1013 | diamond | 188 | pop esi |
31 | halyavin | 189 | ret |
190 | |||
191 | |||
192 | next_line: |
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193 | mov esi, [position] |
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194 | add esi, file_data |
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195 | .start: |
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1013 | diamond | 196 | cmp esi, [fileend] |
197 | jae exit |
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31 | halyavin | 198 | lodsb |
199 | cmp al, 13 |
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200 | je .finish |
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1013 | diamond | 201 | cmp al, 10 |
202 | je .finish |
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31 | halyavin | 203 | inc [position] |
204 | jmp .start |
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205 | .finish: |
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1013 | diamond | 206 | inc [position] |
207 | cmp esi, [fileend] |
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208 | jae exit |
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31 | halyavin | 209 | lodsb |
210 | cmp al, 13 |
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1013 | diamond | 211 | je .finish |
212 | cmp al, 10 |
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213 | je .finish |
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214 | ret |
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31 | halyavin | 215 | |
216 | |||
217 | |||
218 | ; DATA: |
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219 | position dd 0 ; position in file |
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220 | |||
221 | autorun_dat_info: ; AUTORUN.DAT |
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222 | .mode dd 0 ; read file |
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223 | .start_block dd 0 ; block to read |
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142 | diamond | 224 | dd 0 |
225 | .blocks dd 16*512 ; 16*512 bytes max |
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31 | halyavin | 226 | .address dd file_data |
529 | spraid | 227 | db "AUTORUN.DAT",0 |
31 | halyavin | 228 | |
229 | start_info: |
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142 | diamond | 230 | .mode dd 7 |
31 | halyavin | 231 | dd 0 |
232 | .params dd parameters |
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233 | dd 0 |
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142 | diamond | 234 | dd 0 |
31 | halyavin | 235 | .path: ; |
236 | |||
237 | I_END: |
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238 | |||
239 | program rb 61 ; 60 + [0] char |
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240 | parameters rb 61 |
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241 | |||
1013 | diamond | 242 | processinfo rb 1024 |
243 | fileend dd ? |
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31 | halyavin | 244 | |
245 | file_data rb 16*51213,10>13,10>"STARTING> |