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Rev | Author | Line No. | Line |
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227 | serge | 1 | struc EVENT |
2 | { .code rd 1 |
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3 | rd 5 |
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4 | .next rd 1 ;+24 |
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5 | .prev rd 1 ;+28 |
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6 | } |
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7 | EVENT_SIZE equ 32 |
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8 | |||
9 | virtual at 0 |
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10 | EVENT EVENT |
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11 | end virtual |
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12 | |||
13 | align 4 |
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14 | init_events: |
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15 | stdcall kernel_alloc, 1024*EVENT_SIZE |
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16 | mov [events], eax |
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17 | xor eax, eax |
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18 | not eax |
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19 | mov edi, event_map |
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20 | mov [event_start], edi |
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21 | mov ecx, 128/4 |
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22 | cld |
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23 | rep stosd |
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24 | mov [event_end], edi |
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25 | ret |
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26 | |||
27 | align 4 |
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28 | proc alloc_event |
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29 | |||
30 | pushfd |
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31 | cli |
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32 | mov ebx, [event_start] |
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33 | mov ecx, [event_end] |
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34 | .l1: |
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35 | bsf eax,[ebx] |
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36 | jnz .found |
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37 | add ebx,4 |
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38 | cmp ebx, ecx |
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39 | jb .l1 |
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40 | popfd |
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41 | xor eax,eax |
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42 | ret |
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43 | .found: |
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44 | btr [ebx], eax |
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45 | mov [event_start],ebx |
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46 | sub ebx, event_map |
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47 | shl ebx, 3 |
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48 | add eax,ebx |
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49 | shl eax,5 |
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50 | add eax, [events] |
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51 | popfd |
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52 | xor ebx, ebx |
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53 | mov [eax+EVENT.next], ebx |
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54 | mov [eax+EVENT.prev], ebx |
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55 | ret |
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56 | endp |
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57 | |||
58 | align 4 |
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59 | free_event: |
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60 | pushfd |
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61 | cli |
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62 | sub eax, [events] |
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63 | shr eax, 5 |
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64 | mov ebx, event_map |
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65 | bts [ebx], eax |
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66 | shr eax, 3 |
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67 | and eax, not 3 |
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68 | add eax, ebx |
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69 | cmp [event_start], eax |
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70 | ja @f |
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71 | popfd |
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72 | ret |
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73 | @@: |
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74 | mov [event_start], eax |
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75 | popfd |
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76 | ret |
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77 | |||
78 | align 4 |
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79 | proc send_event stdcall pid:dword, event:dword |
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80 | locals |
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81 | slot dd ? |
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82 | endl |
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83 | |||
84 | mov eax, [pid] |
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85 | call pid_to_slot |
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86 | test eax, eax |
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87 | jz .fail |
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88 | |||
89 | shl eax, 8 |
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90 | cmp [PROC_BASE+eax+APPDATA.ev_count], 32 |
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91 | ja .fail |
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92 | |||
93 | mov [slot], eax |
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94 | call alloc_event |
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95 | test eax, eax |
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96 | jz .fail |
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97 | |||
98 | mov edi, eax |
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99 | mov ecx, 6 |
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100 | mov esi, [event] |
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101 | cld |
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102 | rep movsd |
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103 | |||
104 | mov esi, eax |
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105 | mov eax, [slot] |
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106 | mov edi, [PROC_BASE+eax+APPDATA.ev_last] |
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107 | mov [esi+EVENT.prev], edi |
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108 | test edi, edi |
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109 | jz .set_last |
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110 | mov [edi+EVENT.next], esi |
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111 | .set_last: |
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112 | mov edx, [PROC_BASE+eax+APPDATA.ev_first] |
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113 | test edx, edx |
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114 | jnz @F |
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115 | mov [PROC_BASE+eax+APPDATA.ev_first], esi |
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116 | @@: |
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117 | mov [PROC_BASE+eax+APPDATA.ev_last], esi |
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118 | inc [PROC_BASE+eax+APPDATA.ev_count] |
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119 | or [PROC_BASE+eax+APPDATA.event_mask], EVENT_EXTENDED |
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120 | .fail: |
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121 | ret |
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122 | endp |
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123 | |||
124 | align 4 |
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125 | proc get_event_ex stdcall, p_ev:dword, timeout:dword |
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126 | |||
127 | ; push eax |
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128 | ; push edx |
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129 | ; mov edx, 0x400 ;bocsh |
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130 | ; mov al,0xff ;bocsh |
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131 | ; out dx, al ;bocsh |
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132 | ; pop edx |
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133 | ; pop eax |
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134 | |||
135 | .wait: |
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136 | mov ebx,[CURRENT_TASK] |
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137 | shl ebx,8 |
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138 | cmp [PROC_BASE+ebx+APPDATA.ev_count], 0 |
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139 | je .switch |
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140 | |||
141 | mov esi, [PROC_BASE+ebx+APPDATA.ev_first] |
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142 | mov edx, [esi+EVENT.next] |
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143 | mov [PROC_BASE+ebx+APPDATA.ev_first], edx |
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144 | test edx, edx |
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145 | jnz @F |
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146 | mov [PROC_BASE+ebx+APPDATA.ev_last], edx |
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147 | and dword [PROC_BASE+ebx+APPDATA.event_mask], not EVENT_EXTENDED |
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148 | @@: |
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149 | mov [edx+EVENT.prev], 0 |
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150 | dec [PROC_BASE+ebx+APPDATA.ev_count] |
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151 | |||
152 | mov eax, esi |
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153 | and dword [esi], 0xFF00FFFF |
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154 | mov edi, [p_ev] |
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155 | mov ecx, 6 |
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156 | cld |
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157 | rep movsd |
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158 | call free_event |
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159 | ret |
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160 | .switch: |
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161 | mov eax, [0x3010] |
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162 | mov [eax+TASKDATA.state], byte 5 |
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163 | call change_task |
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164 | jmp .wait |
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165 | endp |
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166 | |||
1 | ha | 167 | sys_getevent: |
168 | |||
169 | call get_event_for_app |
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170 | mov [esp+36],eax |
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171 | ret |
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172 | |||
173 | |||
174 | align 4 |
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175 | sys_wait_event_timeout: |
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176 | |||
21 | poddubny | 177 | mov ebx,[timer_ticks] |
1 | ha | 178 | add ebx,eax |
21 | poddubny | 179 | cmp ebx,[timer_ticks] |
1 | ha | 180 | jna .swfet2 |
227 | serge | 181 | .swfet1: |
1 | ha | 182 | call get_event_for_app |
183 | test eax,eax |
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184 | jne .eventoccur_time |
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185 | call change_task |
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21 | poddubny | 186 | cmp ebx,[timer_ticks] |
1 | ha | 187 | jg .swfet1 |
227 | serge | 188 | .swfet2: |
1 | ha | 189 | xor eax,eax |
227 | serge | 190 | .eventoccur_time: |
1 | ha | 191 | mov [esp+36],eax |
192 | ret |
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193 | |||
194 | |||
195 | align 4 |
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196 | |||
197 | sys_waitforevent: |
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198 | |||
199 | call get_event_for_app |
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200 | test eax,eax |
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201 | jne eventoccur |
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202 | newwait: |
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203 | |||
21 | poddubny | 204 | mov eax, [0x3010] |
115 | poddubny | 205 | mov [eax+TASKDATA.state], byte 5 |
1 | ha | 206 | call change_task |
207 | |||
21 | poddubny | 208 | mov eax, [event_sched] |
209 | |||
1 | ha | 210 | eventoccur: |
211 | mov [esp+36],eax |
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212 | ret |
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213 | |||
214 | get_event_for_app: |
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215 | |||
216 | pushad |
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217 | |||
218 | mov edi,[0x3010] ; WINDOW REDRAW |
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115 | poddubny | 219 | test [edi+TASKDATA.event_mask],dword 1 |
1 | ha | 220 | jz no_eventoccur1 |
21 | poddubny | 221 | ;mov edi,[0x3010] |
115 | poddubny | 222 | cmp [edi-twdw+WDATA.fl_redraw],byte 0 |
1 | ha | 223 | je no_eventoccur1 |
224 | popad |
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225 | mov eax,1 |
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226 | ret |
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227 | no_eventoccur1: |
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228 | |||
21 | poddubny | 229 | ;mov edi,[0x3010] ; KEY IN BUFFER |
115 | poddubny | 230 | test [edi+TASKDATA.event_mask],dword 2 |
1 | ha | 231 | jz no_eventoccur2 |
232 | mov ecx, [0x3000] |
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233 | movzx edx,word [0xC000+ecx*2] |
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234 | mov eax, [0x3004] |
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235 | cmp eax,edx |
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92 | diamond | 236 | jne no_eventoccur2x |
1 | ha | 237 | cmp [0xf400],byte 0 |
92 | diamond | 238 | je no_eventoccur2x |
239 | eventoccur2: |
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1 | ha | 240 | popad |
241 | mov eax,2 |
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242 | ret |
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92 | diamond | 243 | no_eventoccur2x: |
244 | mov eax, hotkey_buffer |
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245 | @@: |
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246 | cmp [eax], ecx |
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247 | jz eventoccur2 |
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248 | add eax, 8 |
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249 | cmp eax, hotkey_buffer+120*8 |
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250 | jb @b |
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1 | ha | 251 | no_eventoccur2: |
252 | |||
21 | poddubny | 253 | ;mov edi,[0x3010 |