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Rev | Author | Line No. | Line |
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1 | ha | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; SYSTEM CALL ENTRY ;; |
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4 | ;; ;; |
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5 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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6 | poddubny | 6 | |
420 | serge | 7 | align 16 |
1 | ha | 8 | i40: |
3 | halyavin | 9 | pushad |
40 | halyavin | 10 | cld |
3 | halyavin | 11 | |
420 | serge | 12 | ; mov ax, word app_data |
13 | ; mov ds, ax |
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14 | ; mov es, ax |
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1 | ha | 15 | |
15 | poddubny | 16 | ; load all registers in crossed order |
314 | diamond | 17 | mov eax, ebx |
18 | mov ebx, ecx |
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19 | mov ecx, edx |
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20 | mov edx, esi |
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21 | mov esi, edi |
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22 | mov edi, [esp+28] |
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6 | poddubny | 23 | |
1 | ha | 24 | ; enable interupts - a task switch or an IRQ _CAN_ interrupt i40 handler |
25 | sti |
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15 | poddubny | 26 | push eax |
27 | and edi,0xff |
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28 | call dword [servetable+edi*4] |
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29 | pop eax |
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164 | serge | 30 | |
3 | halyavin | 31 | popad |
32 | iretd |
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1 | ha | 33 | |
34 | |||
375 | Ghost | 35 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
36 | ;; ;; |
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37 | ;; SYSENTER ENTRY ;; |
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38 | ;; ;; |
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39 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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40 | |||
41 | uglobal |
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42 | times 100 db ? |
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43 | sysenter_stack: |
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44 | endg |
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45 | |||
46 | align 32 |
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47 | SYSENTER_VAR equ 0 |
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48 | sysenter_entry: |
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49 | ; Настраиваем стек |
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400 | serge | 50 | ; cli sysenter clear IF |
51 | ; push eax |
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52 | ; mov eax, [ss:CURRENT_TASK] |
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53 | ; shl eax, 8 |
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54 | ; mov eax, [ss:SLOT_BASE + eax + APPDATA.pl0_stack] |
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55 | ; lea esp, [eax + RING0_STACK_SIZE] ; configure ESP |
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56 | ; mov eax, [ss:sysenter_stack - 4] ; eax - original eax, from app |
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57 | |||
420 | serge | 58 | mov esp, [CURRENT_TASK] |
400 | serge | 59 | shl esp, 8 |
420 | serge | 60 | mov esp, [SLOT_BASE + esp + APPDATA.pl0_stack] |
400 | serge | 61 | add esp, RING0_STACK_SIZE ; configure ESP |
375 | Ghost | 62 | sti |
420 | serge | 63 | ;------------------ |
375 | Ghost | 64 | pushad |
65 | cld |
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66 | |||
420 | serge | 67 | ; mov ax, word app_data |
68 | ; mov ds, ax |
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69 | ; mov es, ax |
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375 | Ghost | 70 | |
71 | mov eax, ebx |
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72 | mov ebx, ecx |
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73 | mov ecx, edx |
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74 | mov edx, esi |
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75 | mov esi, edi |
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76 | mov edi, [esp + 28] |
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77 | |||
78 | push eax |
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79 | and edi, 0xff |
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80 | call dword [servetable + edi * 4] |
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81 | pop eax |
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82 | |||
83 | popad |
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84 | ;------------------ |
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420 | serge | 85 | mov edx, [SYSENTER_VAR] ; eip |
86 | mov ecx, [SYSENTER_VAR + 4] ; esp |
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375 | Ghost | 87 | sysexit |
88 | |||
89 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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90 | ;; ;; |
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91 | ;; SYSCALL ENTRY ;; |
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92 | ;; ;; |
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93 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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94 | align 32 |
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95 | syscall_entry: |
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400 | serge | 96 | ; cli syscall clear IF |
375 | Ghost | 97 | xchg ecx, [esp] |
98 | mov [SYSENTER_VAR + 4], esp |
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400 | serge | 99 | |
100 | ; mov [ss:sysenter_stack - 4], eax |
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101 | ; mov eax, [ss:CURRENT_TASK] |
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102 | ; shl eax, 8 |
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103 | ; mov eax, [ss:SLOT_BASE + eax + APPDATA.pl0_stack] |
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104 | ; lea esp, [eax + RING0_STACK_SIZE] ; configure ESP |
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105 | ; mov eax, [ss:sysenter_stack - 4] ; eax - original eax, from app |
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106 | |||
420 | serge | 107 | mov esp, [CURRENT_TASK] |
400 | serge | 108 | shl esp, 8 |
420 | serge | 109 | mov esp, [SLOT_BASE + esp + APPDATA.pl0_stack] |
400 | serge | 110 | add esp, RING0_STACK_SIZE ; configure ESP |
111 | |||
375 | Ghost | 112 | sti |
113 | ;------------------ |
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420 | serge | 114 | ; push ds es |
375 | Ghost | 115 | pushad |
116 | cld |
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117 | |||
420 | serge | 118 | ; mov ax, word app_data |
119 | ; mov ds, ax |
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120 | ; mov es, ax |
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375 | Ghost | 121 | |
122 | mov eax, ebx |
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123 | mov ebx, ecx |
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124 | mov ecx, edx |
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125 | mov edx, esi |
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126 | mov esi, edi |
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127 | mov edi, [esp + 28] |
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128 | |||
129 | push eax |
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130 | and edi, 0xff |
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131 | call dword [servetable + edi * 4] |
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132 | pop eax |
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133 | |||
134 | popad |
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420 | serge | 135 | ; pop es ds |
375 | Ghost | 136 | ;------------------ |
400 | serge | 137 | |
138 | cli |
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375 | Ghost | 139 | mov esp, [SYSENTER_VAR + 4] |
140 | xchg ecx, [esp] |
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141 | sysret |
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1 | ha | 142 | iglobal |
143 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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144 | ;; SYSTEM FUNCTIONS TABLE ;; |
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145 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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146 | |||
147 | align 4 |
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148 | servetable: |
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149 | |||
150 | dd sys_drawwindow ; 0-DrawWindow |
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151 | dd syscall_setpixel ; 1-SetPixel |
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152 | dd sys_getkey ; 2-GetKey |
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153 | dd sys_clock ; 3-GetTime |
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154 | dd syscall_writetext ; 4-WriteText |
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155 | dd delay_hs ; 5-DelayHs |
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156 | dd syscall_openramdiskfile ; 6-OpenRamdiskFile |
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157 | dd syscall_putimage ; 7-PutImage |
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158 | dd sys_button ; 8-DefineButton |
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159 | dd sys_cpuusage ; 9-GetProcessInfo |
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160 | dd sys_waitforevent ; 10-WaitForEvent |
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161 | dd sys_getevent ; 11-CheckForEvent |
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162 | dd sys_redrawstat ; 12-BeginDraw and EndDraw |
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163 | dd syscall_drawrect ; 13-DrawRect |
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164 | dd syscall_getscreensize ; 14-GetScreenSize |
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165 | dd sys_background ; 15-bgr |
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166 | dd sys_cachetodiskette ; 16-FlushFloppyCache |
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167 | dd sys_getbutton ; 17-GetButton |
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75 | diamond | 168 | dd sys_system ; 18-System Services |
375 | Ghost | 169 | dd paleholder;undefined_syscall ; 19-reserved |
1 | ha | 170 | dd sys_midi ; 20-ResetMidi and OutputMidi |
171 | dd sys_setup ; 21-SetMidiBase,SetKeymap,SetShiftKeymap,. |
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172 | dd sys_settime ; 22-setting date,time,clock and alarm-clock |
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173 | dd sys_wait_event_timeout ; 23-TimeOutWaitForEvent |
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174 | dd syscall_cdaudio ; 24-PlayCdTrack,StopCd and GetCdPlaylist |
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175 | dd sys_sb16 ; 25-SetSb16 |
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176 | dd sys_getsetup ; 26-GetMidiBase,GetKeymap,GetShiftKeymap,. |
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277 | diamond | 177 | dd undefined_syscall ; 27-reserved |
1 | ha | 178 | dd sys_sb16II ; 28-SetSb16 |
179 | dd sys_date ; 29-GetDate |
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75 | diamond | 180 | dd undefined_syscall ; 30-reserved |
181 | dd undefined_syscall ; 31-reserved |
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1 | ha | 182 | dd syscall_delramdiskfile ; 32-DelRamdiskFile |
183 | dd syscall_writeramdiskfile; 33-WriteRamdiskFile |
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75 | diamond | 184 | dd undefined_syscall ; 34-reserved |
1 | ha | 185 | dd syscall_getpixel ; 35-GetPixel |
186 | dd syscall_readstring ; 36-ReadString (not yet ready) |
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187 | dd readmousepos ; 37-GetMousePosition_ScreenRelative,. |
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188 | dd syscall_drawline ; 38-DrawLine |
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189 | dd sys_getbackground ; 39-GetBackgroundSize,ReadBgrData,. |
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190 | dd set_app_param ; 40-WantEvents |
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191 | dd syscall_getirqowner ; 41-GetIrqOwner |
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192 | dd get_irq_data ; 42-ReadIrqData |
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193 | dd sys_outport ; 43-SendDeviceData |
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194 | dd sys_programirq ; 44-ProgramIrqs |
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195 | dd reserve_free_irq ; 45-ReserveIrq and FreeIrq |
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196 | dd syscall_reserveportarea ; 46-ReservePortArea and FreePortArea |
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197 | dd display_number ; 47-WriteNum |
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198 | dd display_settings ; 48-SetRedrawType and SetButtonType |
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76 | mario79 | 199 | dd sys_apm ; 49-Advanced Power Management (APM) |
1 | ha | 200 | dd random_shaped_window ; 50-Window shape & scale |
201 | dd syscall_threads ; 51-Threads |
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202 | dd stack_driver_stat ; 52-Stack driver status |
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203 | dd socket ; 53-Socket interface |
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204 | dd user_events ; 54-User events |
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205 | dd sound_interface ; 55-Sound interface |
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202 | diamond | 206 | dd undefined_syscall ; 56-reserved |
75 | diamond | 207 | dd undefined_syscall ; 57-reserved |
1 | ha | 208 | dd file_system ; 58-Common file system interface |
380 | serge | 209 | dd undefined_syscall ; 59-reserved |
164 | serge | 210 | dd sys_IPC ; 60-Inter Process Communication |
1 | ha | 211 | dd sys_gs ; 61-Direct graphics access |
212 | dd sys_pci ; 62-PCI functions |
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213 | dd sys_msg_board ; 63-System message board |
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214 | dd sys_resize_app_memory ; 64-Resize application memory usage |
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283 | diamond | 215 | dd syscall_putimage_palette; 65-PutImagePalette |
1 | ha | 216 | dd sys_process_def ; 66-Process definitions - keyboard |
217 | dd sys_window_move ; 67-Window move or resize |
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164 | serge | 218 | dd new_services ; 68-Some internal services |
40 | halyavin | 219 | dd sys_debug_services ; 69-Debug |
72 | diamond | 220 | dd file_system_lfn ; 70-Common file system interface, version 2 |
114 | mikedld | 221 | dd syscall_windowsettings ; 71-Window settings |
1 | ha | 222 | |
223 | times 255 - ( ($-servetable) /4 ) dd undefined_syscall |
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224 | |||
225 | dd sys_end ; -1-end application |
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226 | endg |