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Rev | Author | Line No. | Line |
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31 | halyavin | 1 | ; |
2 | ; Example for Inter Process Communication |
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3 | ; |
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4 | ; Compile with FASM for Menuet |
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5 | ; |
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6 | include 'lang.inc' |
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485 | heavyiron | 7 | include '..\..\..\macros.inc' |
31 | halyavin | 8 | |
9 | use32 |
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10 | org 0x0 |
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11 | |||
12 | db 'MENUET01' ; 8 byte id |
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13 | dd 0x01 ; header version |
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14 | dd START ; start of code |
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15 | dd I_END ; size of image |
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16 | dd 0x60000 ; memory for app |
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17 | dd 0x60000 ; esp |
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18 | dd 0x0 , 0x0 ; I_Param , I_Icon |
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19 | |||
20 | START: ; start of execution |
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21 | |||
22 | |||
23 | mov eax,60 ; IPC |
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24 | mov ebx,1 ; define receive area |
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25 | mov ecx,received_messages ; pointer to start |
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26 | mov edx,1000 ; size of area |
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485 | heavyiron | 27 | mcall |
31 | halyavin | 28 | |
29 | mov eax,40 ; WANTED EVENTS |
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30 | mov ebx,01000111b ; IPC 7 + defaults |
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485 | heavyiron | 31 | mcall |
31 | halyavin | 32 | |
33 | mov [received_messages+8],dword 0*256+0 |
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34 | mov [received_messages+12],dword 0 |
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35 | |||
485 | heavyiron | 36 | red: |
31 | halyavin | 37 | call draw_window ; at first, draw the window |
38 | |||
39 | still: |
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40 | |||
41 | mov eax,23 ; wait here for event |
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42 | mov ebx,50 |
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485 | heavyiron | 43 | mcall |
31 | halyavin | 44 | |
45 | cmp eax,1 ; redraw request ? |
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46 | je red |
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47 | cmp eax,2 ; key in buffer ? |
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48 | je key |
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49 | cmp eax,3 ; button in buffer ? |
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50 | je button |
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51 | |||
52 | cmp eax,7 ; IPC ? |
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53 | jne no_ipc |
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54 | call display_ipc_messages |
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55 | jmp still |
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56 | no_ipc: |
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57 | |||
58 | jmp still |
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59 | |||
60 | key: ; key |
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61 | mov eax,2 ; just read it and ignore |
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485 | heavyiron | 62 | mcall |
31 | halyavin | 63 | jmp still |
64 | |||
65 | button: ; button |
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66 | mov eax,17 ; get id |
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485 | heavyiron | 67 | mcall |
31 | halyavin | 68 | |
69 | cmp ah,1 ; button id=1 ? |
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70 | jne noclose |
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71 | mov eax,-1 ; close this program |
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485 | heavyiron | 72 | mcall |
31 | halyavin | 73 | noclose: |
74 | |||
75 | cmp ah,2 |
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76 | jne no_read |
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77 | call read_string |
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78 | |||
79 | movzx eax,byte [message] |
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80 | sub eax,48 |
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81 | imul eax,10 |
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82 | movzx ebx,byte [message+1] |
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83 | add eax,ebx |
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84 | sub eax,48 |
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85 | imul eax,10 |
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86 | movzx ebx,byte [message+2] |
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87 | add eax,ebx |
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88 | sub eax,48 |
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89 | imul eax,10 |
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90 | movzx ebx,byte [message+3] |
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91 | add eax,ebx |
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92 | sub eax,48 |
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93 | |||
94 | mov [PID],eax |
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95 | |||
96 | mov eax,60 ; IPC |
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97 | mov ebx,2 ; send message |
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98 | mov ecx,[PID] |
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99 | mov edx,message+4 |
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100 | mov esi,20;[message_size] |
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485 | heavyiron | 101 | mcall |
31 | halyavin | 102 | |
103 | jmp still |
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104 | no_read: |
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105 | |||
106 | |||
107 | cmp ah,3 |
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108 | jne no_messages_pop ; pop the first out |
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109 | call ipc_message_pop |
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110 | jmp still |
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111 | no_messages_pop: |
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112 | |||
113 | jmp still |
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114 | |||
115 | |||
116 | ipc_message_pop: |
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117 | |||
118 | pusha |
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119 | |||
120 | cmp [received_messages+4],dword 8 |
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121 | je already_empty |
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122 | |||
123 | mov [received_messages],byte 1 ; lock the area |
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124 | |||
125 | push dword [received_messages+4] |
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126 | |||
127 | mov ecx,[received_messages+12] |
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128 | |||
129 | sub [received_messages+4],ecx |
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130 | sub [received_messages+4],dword 8 |
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131 | |||
132 | mov edi,received_messages+8 |
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133 | mov esi,edi |
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134 | add esi,ecx |
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135 | add esi,8 |
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136 | |||
137 | pop ecx |
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138 | |||
139 | cld |
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140 | rep movsb |
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141 | |||
142 | call display_ipc_messages |
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143 | |||
144 | mov [received_messages],byte 0 ; free the area |
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145 | |||
146 | already_empty: |
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147 | |||
148 | popa |
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149 | ret |
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150 | |||
151 | |||
152 | |||
153 | display_ipc_messages: |
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154 | |||
155 | pusha |
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156 | |||
157 | mov eax,13 |
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158 | mov ebx,25*65536+245 |
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159 | mov ecx,105*65536+90 |
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160 | mov edx,0xdddddd |
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485 | heavyiron | 161 | mcall |
31 | halyavin | 162 | |
163 | cmp [received_messages+4],dword 8 ; empty list |
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164 | je ipma1 |
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165 | |||
166 | mov ebx,25*65536+105 ; draw info text with function 4 |
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167 | mov ecx,0x224466 |
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168 | mov edx,received_messages+8 |
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169 | mov esi,40 |
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170 | mov [counter],0 |
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171 | newline2: |
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172 | pusha |
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173 | mov ecx,[edx] |
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174 | and ecx,0xfff |
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175 | mov edx,ebx |
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176 | mov eax,47 |
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177 | mov ebx,4*65536 |
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178 | mov esi,0xff0000 |
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485 | heavyiron | 179 | mcall |
31 | halyavin | 180 | popa |
181 | pusha |
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182 | mov esi,20 |
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183 | add edx,8 |
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184 | add ebx,30*65536 |
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185 | mov eax,4 |
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485 | heavyiron | 186 | mcall |
31 | halyavin | 187 | popa |
188 | |||
189 | add ebx,10 |
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190 | mov edi,[edx+4] |
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191 | add edi,8 |
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192 | and edi,0xfff |
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193 | add edx,edi |
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194 | |||
195 | mov edi,[received_messages+4] |
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196 | add edi,received_messages |
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197 | cmp edx,edi |
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198 | jge ipma1 |
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199 | |||
200 | inc [counter] |
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201 | cmp [counter],8 |
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202 | jbe newline2 |
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203 | |||
204 | ipma1: |
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205 | |||
206 | popa |
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207 | ret |
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208 | |||
209 | |||
210 | counter dd 0x0 |
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211 | |||
212 | |||
213 | ; ********************************************* |
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214 | ; ******* WINDOW DEFINITIONS AND DRAW ******** |
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215 | ; ********************************************* |
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216 | |||
217 | |||
218 | draw_window: |
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219 | |||
220 | mov eax,12 ; function 12:tell os about windowdraw |
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221 | mov ebx,1 ; 1, start of draw |
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485 | heavyiron | 222 | mcall |
31 | halyavin | 223 | |
224 | ; DRAW WINDOW |
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225 | mov eax,0 ; function 0 : define and draw window |
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226 | mov ebx,100*65536+290 ; [x start] *65536 + [x size] |
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227 | mov ecx,100*65536+220 ; [y start] *65536 + [y size] |
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551 | spraid | 228 | mov edx,0x14ffffff ; color of work area RRGGBB,8->color gl |
485 | heavyiron | 229 | mov edi,title ; WINDOW LABEL |
230 | mcall |
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31 | halyavin | 231 | |
485 | heavyiron | 232 | |
31 | halyavin | 233 | mov eax,9 |
234 | mov ebx,process_info |
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235 | mov ecx,-1 |
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485 | heavyiron | 236 | mcall |
31 | halyavin | 237 | |
238 | mov eax,47 |
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239 | mov ebx,4*65536 |
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240 | mov ecx,[process_info+30] |
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241 | mov edx,180*65536+35 |
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242 | mov esi,0x000000 |
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485 | heavyiron | 243 | mcall |
31 | halyavin | 244 | |
245 | mov eax,8 ; MESSAGE |
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246 | mov ebx,25*65536+87 |
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247 | mov ecx,50*65536+16 |
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248 | mov edx,2 |
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249 | mov esi,0x5588dd |
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485 | heavyiron | 250 | mcall |
31 | halyavin | 251 | |
485 | heavyiron | 252 | ;mov eax,8 ; POP |
31 | halyavin | 253 | mov ebx,216*65536+53 |
254 | mov ecx,80*65536+16 |
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255 | mov edx,3 |
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485 | heavyiron | 256 | mcall |
31 | halyavin | 257 | |
485 | heavyiron | 258 | mov eax,4 |
31 | halyavin | 259 | mov ebx,25*65536+35 ; draw info text with function 4 |
260 | mov ecx,0x224466 |
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261 | mov edx,text |
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262 | mov esi,40 |
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263 | newline: |
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485 | heavyiron | 264 | mcall |
31 | halyavin | 265 | add ebx,10 |
266 | add edx,40 |
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267 | cmp [edx],byte 'x' |
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268 | jne newline |
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269 | |||
270 | call display_ipc_messages |
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271 | |||
272 | mov eax,12 ; function 12:tell os about windowdraw |
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273 | mov ebx,2 ; 2, end of draw |
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485 | heavyiron | 274 | mcall |
31 | halyavin | 275 | |
276 | ret |
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277 | |||
278 | |||
279 | |||
280 | |||
281 | read_string: |
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282 | |||
283 | pusha |
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284 | |||
285 | mov [addr],dword message |
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286 | mov [ya],55 |
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287 | mov [xa],120 |
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288 | |||
289 | mov ecx,20 |
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290 | mov edi,[addr] |
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291 | mov al,' ' |
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292 | cld |
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293 | rep stosb |
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294 | |||
295 | call print_text |
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296 | |||
297 | mov edi,[addr] |
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298 | |||
299 | f11: |
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300 | mov eax,10 |
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485 | heavyiron | 301 | mcall |
31 | halyavin | 302 | cmp eax,2 |
303 | jz fbu |
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304 | |||
305 | exit_readkey: |
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306 | |||
307 | popa |
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308 | ret |
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309 | |||
310 | fbu: |
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311 | mov eax,2 |
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485 | heavyiron | 312 | mcall ; get key |
31 | halyavin | 313 | shr eax,8 |
314 | |||
315 | cmp eax,13 |
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316 | je exit_readkey |
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317 | |||
318 | cmp eax,8 |
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319 | jnz nobs |
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320 | cmp edi,[addr] |
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321 | jz f11 |
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322 | dec edi |
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323 | mov [edi],byte ' ' |
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324 | call print_text |
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325 | jmp f11 |
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326 | nobs: |
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327 | |||
328 | cmp eax,31 |
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329 | jbe f11 |
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330 | cmp eax,95 |
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331 | jb keyok |
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332 | sub eax,32 |
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333 | keyok: |
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334 | mov [edi],al |
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335 | |||
336 | call print_text |
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337 | |||
338 | inc edi |
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339 | mov esi,[addr] |
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340 | add esi,20 |
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341 | cmp esi,edi |
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342 | jnz f11 |
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343 | |||
344 | popa |
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345 | ret |
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346 | |||
347 | |||
348 | |||
349 | print_text: |
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350 | |||
351 | mov eax,13 |
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352 | mov ebx,[xa] |
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353 | shl ebx,16 |
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354 | add ebx,25*6 |
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355 | mov ecx,[ya] |
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356 | shl ecx,16 |
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357 | mov cx,8 |
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358 | mov edx,0xffffff |
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485 | heavyiron | 359 | mcall |
31 | halyavin | 360 | |
361 | mov eax,4 |
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362 | mov ebx,[xa] |
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363 | shl ebx,16 |
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364 | add ebx,[ya] |
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365 | mov ecx,0x000000 |
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366 | mov edx,[addr] |
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367 | mov esi,25 |
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485 | heavyiron | 368 | mcall |
31 | halyavin | 369 | |
370 | ret |
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371 | |||
372 | |||
373 | |||
374 | |||
375 | |||
376 | |||
377 | ; DATA AREA |
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378 | |||
379 | ya dd 0x0 |
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380 | xa dd 0x0 |
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381 | addr dd 0x0 |
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382 | |||
383 | text: |
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384 | db 'PROCESS ID FOR THIS APP : ' |
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385 | db ' ' |
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386 | db ' PID:MESSAGE 0130 EXAMPLE MESSAGE ' |
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387 | db ' ' |
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388 | db ' ' |
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389 | db 'RECEIVED: POP ' |
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390 | db 'x' ; <- END MARKER, DONT DELETE |
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391 | |||
392 | |||
485 | heavyiron | 393 | title db 'IPC - START AT LEAST 2',0 |
31 | halyavin | 394 | |
395 | I_END: |
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396 | |||
397 | PID: dd 0x0 |
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398 | message_size: dd 20 |
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399 | |||
400 | received_messages: |
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401 | |||
402 | db 0 ; lock byte |
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403 | db 0,0,0 ; reserved |
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404 | dd 8 ; pointer to free msg position from received_messages |
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405 | |||
406 | ; Sender PID |
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407 | ; Msg length |
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408 | ; Msg data |
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409 | |||
410 | rb 0x1000 |
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411 | message: times 70 db ? |
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412 | process_info: times 256 dd ?-> |