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Rev | Author | Line No. | Line |
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4602 | mario79 | 1 | ;----------------------------------------------------------------------------- |
31 | halyavin | 2 | ; |
4602 | mario79 | 3 | ; LAUNCHER - startup of programs |
31 | halyavin | 4 | ; |
4602 | mario79 | 5 | ; Compile with FASM 1.52 or newer |
31 | halyavin | 6 | ; |
4602 | mario79 | 7 | ;----------------------------------------------------------------------------- |
4613 | mario79 | 8 | ; last update: 06/03/2014 |
9 | ; changed by: Marat Zakiyanov aka Mario79, aka Mario |
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10 | ; changes: Dynamic memory allocation for AUTORUN.DAT. |
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11 | ; Added additional diagnostic messages for BOARD. |
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12 | ;----------------------------------------------------------------------------- |
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4602 | mario79 | 13 | ; last update: 02/03/2014 |
14 | ; changed by: Marat Zakiyanov aka Mario79, aka Mario |
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15 | ; changes: Reducing the consumption of RAM, 4 KB instead of 32 KB. |
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16 | ; Output to BOARD information about running applications. |
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17 | ; Cleaning of the source code. |
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18 | ; notice: Only 2 KB of memory for AUTORUN.DAT - be careful! |
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19 | ;----------------------------------------------------------------------------- |
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20 | use32 |
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21 | org 0x0 |
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22 | db 'MENUET01' ; 8 byte id |
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23 | dd 0x01 ; header version |
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24 | dd START ; start of code |
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25 | dd IM_END ; size of image |
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26 | dd I_END ; memory for app |
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27 | dd stack_top ; esp |
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28 | dd 0x0 ; I_Param |
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29 | dd 0x0 ; I_Icon |
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30 | ;----------------------------------------------------------------------------- |
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1741 | dunkaist | 31 | include "../../../macros.inc" |
31 | halyavin | 32 | |
4602 | mario79 | 33 | define __DEBUG__ 1 |
34 | define __DEBUG_LEVEL__ 1 |
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35 | include "../../../debug-fdo.inc" |
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36 | ;----------------------------------------------------------------------------- |
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31 | halyavin | 37 | START: ; start of execution |
4613 | mario79 | 38 | mcall 68,11 |
39 | mcall 70,autorun_dat_info ;get information AUTORUN.DAT |
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40 | test eax,eax |
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41 | jnz .read_error |
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42 | |||
43 | mov ecx,[processinfo+32] |
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44 | test ecx,ecx |
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45 | jnz @f |
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46 | |||
47 | inc ecx ; if file size zero |
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48 | ;-------------------------------------- |
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49 | @@: |
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50 | mov [autorun_dat_info.size],ecx |
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51 | mcall 68,12 |
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52 | mov [autorun_dat_info.address],eax |
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53 | mov ebp,eax |
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54 | mov [autorun_dat_info.mode],dword 0 |
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55 | mcall 70,autorun_dat_info ;load AUTORUN.DAT |
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56 | test eax,eax |
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57 | jz @f |
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58 | .read_error: |
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59 | DEBUGF 1, "L: AUTORUN.DAT read error\n" |
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60 | jmp exit |
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61 | ;-------------------------------------- |
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62 | @@: |
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63 | add ebx,ebp |
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4602 | mario79 | 64 | mov [fileend],ebx |
65 | ;----------------------------------------------------------------------------- |
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1013 | diamond | 66 | ; this cycle does not contain an obvious exit condition, |
67 | ; but auxiliary procedures (like "get_string") will exit |
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68 | ; at EOF |
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4602 | mario79 | 69 | start_program: |
70 | call skip_spaces |
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71 | cmp al,byte '#' |
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72 | jz skip_this_string |
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73 | call clear_strings |
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74 | mov edi,program |
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75 | call get_string |
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76 | mov edi,parameters |
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77 | call get_string |
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78 | call get_number |
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79 | call run_program |
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80 | ;-------------------------------------- |
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81 | skip_this_string: |
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82 | call next_line |
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83 | jmp start_program |
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84 | ;----------------------------------------------------------------------------- |
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4613 | mario79 | 85 | exit_1: |
86 | DEBUGF 1, "L: AUTORUN.DAT processed\n" |
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4602 | mario79 | 87 | exit: |
88 | or eax,-1 |
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89 | mcall |
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90 | ;----------------------------------------------------------------------------- |
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91 | run_program: ; time to delay in eax |
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4613 | mario79 | 92 | DEBUGF 1, "L: %s Param: %s\n",program,parameters |
4602 | mario79 | 93 | push eax |
94 | mcall 70,start_info |
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95 | pop ebx |
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1013 | diamond | 96 | ; if delay is negative, wait for termination |
97 | ; of the spawned process |
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4602 | mario79 | 98 | test ebx,ebx |
99 | js must_wait_for_termination |
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1013 | diamond | 100 | ; otherwise, simply wait |
4602 | mario79 | 101 | mcall 5 |
102 | ret |
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103 | ;----------------------------------------------------------------------------- |
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104 | must_wait_for_termination: |
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105 | mov esi,eax ; save slot for the future |
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1013 | diamond | 106 | ; get process slot |
4602 | mario79 | 107 | mov ecx,eax |
108 | mcall 18,21 |
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1013 | diamond | 109 | ; if an error has occured, exit |
4602 | mario79 | 110 | test eax,eax |
111 | jz child_exited |
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31 | halyavin | 112 | |
4602 | mario79 | 113 | mov ecx,eax |
114 | ;-------------------------------------- |
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115 | wait_for_termination: |
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116 | mcall 5,1 |
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117 | mov ebx, processinfo |
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118 | mcall 9 |
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119 | cmp [ebx+50],word 9 ; the slot was freed? |
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120 | jz child_exited |
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31 | halyavin | 121 | |
4602 | mario79 | 122 | cmp [ebx+30],dword esi ; the slot is still occupied by our child? |
123 | jz wait_for_termination |
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124 | ;-------------------------------------- |
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125 | child_exited: |
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126 | ret |
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127 | ;----------------------------------------------------------------------------- |
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128 | clear_strings: ; clears buffers |
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129 | pushad |
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130 | mov ecx,60+1 |
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131 | mov edi,program |
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132 | xor al,al |
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133 | rep stosb |
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134 | mov ecx,60+1 |
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135 | mov edi,parameters |
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136 | rep stosb |
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137 | popad |
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138 | ret |
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139 | ;----------------------------------------------------------------------------- |
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140 | get_string: ; pointer to destination buffer in edi |
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141 | pushad |
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142 | call skip_spaces |
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143 | mov esi,[position] |
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4613 | mario79 | 144 | add esi,ebp |
4602 | mario79 | 145 | cmp [esi],byte '"' |
146 | jz .quoted |
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147 | ;-------------------------------------- |
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148 | .start: |
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149 | cmp esi,[fileend] |
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150 | jae exit |
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31 | halyavin | 151 | |
4602 | mario79 | 152 | lodsb |
153 | cmp al,byte ' ' |
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154 | jbe .finish |
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31 | halyavin | 155 | |
4602 | mario79 | 156 | stosb |
157 | inc dword [position] |
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158 | jmp .start |
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159 | ;-------------------------------------- |
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160 | .finish: |
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161 | popad |
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162 | ret |
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163 | ;-------------------------------------- |
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164 | .quoted: |
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165 | inc esi |
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166 | inc dword [position] |
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167 | ;-------------------------------------- |
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168 | .quoted.start: |
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169 | cmp esi,[fileend] |
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170 | jae exit |
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31 | halyavin | 171 | |
4602 | mario79 | 172 | lodsb |
173 | inc dword [position] |
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174 | cmp al,byte '"' |
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175 | je .finish |
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31 | halyavin | 176 | |
4602 | mario79 | 177 | stosb |
178 | jmp .quoted.start |
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179 | ;----------------------------------------------------------------------------- |
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180 | get_number: |
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181 | push ebx esi |
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182 | call skip_spaces |
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183 | mov esi,[position] |
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4613 | mario79 | 184 | add esi,ebp |
4602 | mario79 | 185 | xor eax,eax |
186 | cmp [esi],byte '-' |
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187 | jnz @f |
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31 | halyavin | 188 | |
4602 | mario79 | 189 | inc eax |
190 | inc esi |
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191 | inc dword [position] |
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192 | ;-------------------------------------- |
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1013 | diamond | 193 | @@: |
4602 | mario79 | 194 | push eax |
195 | xor eax,eax |
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196 | xor ebx,ebx |
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197 | ;-------------------------------------- |
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198 | .start: |
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199 | cmp esi,[fileend] |
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200 | jae .finish |
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31 | halyavin | 201 | |
4602 | mario79 | 202 | lodsb |
203 | sub al,byte '0' |
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204 | cmp al,9 |
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205 | ja .finish |
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31 | halyavin | 206 | |
4602 | mario79 | 207 | lea ebx,[ebx*4+ebx] |
208 | lea ebx,[ebx*2+eax] |
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209 | inc dword [position] |
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210 | jmp .start |
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211 | ;-------------------------------------- |
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212 | .finish: |
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213 | pop eax |
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214 | dec eax |
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215 | jnz @f |
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31 | halyavin | 216 | |
4602 | mario79 | 217 | neg ebx |
218 | ;-------------------------------------- |
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219 | @@: |
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220 | mov eax,ebx |
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221 | pop esi ebx |
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222 | ret |
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223 | ;----------------------------------------------------------------------------- |
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224 | skip_spaces: |
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225 | push esi |
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226 | xor eax,eax |
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227 | mov esi,[position] |
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4613 | mario79 |