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Rev | Author | Line No. | Line |
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31 | halyavin | 1 | ; flat assembler version 1.60 |
2 | ; Copyright (c) 1999-2005, Tomasz Grysztar |
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3 | ; All rights reserved. |
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4 | ; |
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5 | ; MenuetOS system.inc by VT |
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6 | |||
7 | file_info_open: dd 0,0,0xffffff,0x20000,0xf0000 |
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8 | fullpath_open:; db '/HD/1/EXAMPLE.ASM' |
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9 | times MAX_PATH db 0 |
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10 | |||
11 | file_info_write: dd 1,0,0,0,0xf0000 |
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12 | fullpath_write:; db '/HD/1/EXAMPLE' |
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13 | times MAX_PATH db 0 |
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14 | |||
15 | file_info_start: dd 16,0,0,0,0xf0000 |
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16 | fullpath_start:; db '/HD/1/EXAMPLE' |
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17 | times MAX_PATH db 0 |
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18 | |||
19 | _ramdisk db '/RD/1/' |
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20 | filepos dd 0x0 |
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21 | |||
22 | ; info by Privalov: starting from FASM 1.51 |
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23 | ; ~3/8 - additional memory |
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24 | ; ~5/8 - main memory |
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25 | init_memory: |
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26 | mov [memory_start],0x100000 |
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27 | mov [memory_end],0x100000+(APP_MEMORY-0x100000)/8*5 |
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28 | mov [additional_memory],0x100000+(APP_MEMORY-0x100000)/8*5 |
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29 | mov [additional_memory_end],APP_MEMORY |
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30 | ret |
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31 | |||
32 | exit_program: |
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33 | cmp [_mode],NORMAL_MODE |
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34 | je still |
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35 | or eax,-1 |
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36 | int 0x40 |
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37 | |||
38 | make_timestamp: |
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39 | push ebx |
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40 | mcall 26,9 |
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41 | imul eax,10 |
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42 | pop ebx |
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43 | ret |
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44 | |||
45 | get_environment_variable: |
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46 | mov ecx,[memory_end] |
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47 | sub ecx,edi |
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48 | cmp ecx,7 |
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49 | jb out_of_memory |
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50 | cmp dword[esi],'INCL' |
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51 | jne .finish |
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52 | mov esi,_ramdisk |
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53 | mov ecx,6 |
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54 | cld |
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55 | rep movsb |
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56 | .finish: |
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57 | ; stc |
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58 | ret |
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59 | |||
60 | open: |
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61 | call make_fullpaths |
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62 | |||
63 | ; mov eax,fullpath_open |
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64 | ; DEBUGF '"%s"\n',eax |
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65 | |||
66 | mov dword[file_info_open+8],-1 |
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67 | mcall 58,file_info_open |
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68 | or eax,eax ; found |
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69 | jz @f |
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70 | cmp eax,6 |
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71 | jne file_error |
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72 | @@: mov [filesize],ebx |
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73 | clc |
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74 | ret |
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75 | file_error: |
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76 | stc |
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77 | ret |
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78 | |||
79 | create: |
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80 | call make_fullpaths |
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81 | ret |
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82 | |||
83 | ; ebx file handle |
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84 | ; ecx count of bytes to write |
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85 | ; edx pointer to buffer |
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86 | write: |
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87 | pusha |
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88 | mov [file_info_write+8],ecx |
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89 | mov [file_info_write+12],edx |
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90 | mov [filesize],edx |
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91 | mov eax,58 |
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92 | mov ebx,file_info_write |
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93 | int 0x40 |
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94 | popa |
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95 | ret |
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96 | |||
97 | make_fullpaths: |
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98 | pusha |
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99 | push edx |
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100 | |||
101 | mov esi,path ; open |
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102 | ; DEBUGF " '%s'",esi |
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103 | mov edi,fullpath_open |
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104 | cld |
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105 | newc1: |
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106 | movsb |
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107 | cmp byte[esi],0;' ' |
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108 | jne newc1 |
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109 | mov esi,[esp] |
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110 | |||
111 | cmp byte[esi],'/' |
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112 | jne @f |
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113 | mov edi,fullpath_open |
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114 | |||
115 | @@: |
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116 | lodsb |
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117 | stosb |
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118 | cmp al,0 |
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119 | jne @b |
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120 | ; mov ecx,12 |
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121 | ; cld |
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122 | ; rep movsb |
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123 | ; mov byte[edi],0 |
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124 | |||
125 | mov esi,path ; write |
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126 | mov edi,fullpath_write |
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127 | cld |
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128 | newc2: |
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129 | movsb |
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130 | cmp byte[esi],0;' ' |
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131 | jne newc2 |
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132 | mov esi,[esp] |
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133 | |||
134 | cmp byte[esi],'/' |
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135 | jne @f |
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136 | mov edi,fullpath_write |
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137 | |||
138 | @@: |
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139 | lodsb |
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140 | stosb |
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141 | cmp al,0 |
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142 | jne @b |
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143 | ; mov ecx,12 |
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144 | ; cld |
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145 | ; rep movsb |
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146 | ; mov byte[edi],0 |
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147 | |||
148 | mov esi,path ; start |
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149 | mov edi,fullpath_start |
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150 | cld |
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151 | newc3: |
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152 | movsb |
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153 | cmp byte[esi],0;' ' |
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154 | jne newc3 |
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155 | ; mov esi,[esp] |
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156 | pop esi |
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157 | |||
158 | cmp byte[esi],'/' |
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159 | jne @f |
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160 | mov edi,fullpath_start |
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161 | |||
162 | @@: |
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163 | lodsb |
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164 | stosb |
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165 | cmp al,0 |
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166 | jne @b |
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167 | ; mov ecx,12 |
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168 | ; cld |
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169 | ; rep movsb |
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170 | ; mov byte[edi],0 |
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171 | |||
172 | ; add esp,4 |
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173 | popa |
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174 | ret |
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175 | |||
176 | read: |
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177 | pusha |
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178 | mov edi,edx |
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179 | mov esi,[filepos] |
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180 | add esi,0x20000 |
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181 | cld |
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182 | rep movsb |
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183 | popa |
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184 | ; ret |
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185 | |||
186 | close: ret |
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187 | |||
188 | lseek: |
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189 | cmp al,0 |
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190 | jnz @f |
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191 | mov [filepos],0 |
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192 | @@: cmp al,1 |
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193 | jnz @f |
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194 | @@: cmp al,2 |
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195 | jnz @f |
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196 | mov eax,[filesize] |
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197 | mov [filepos],eax |
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198 | @@: mov eax,[filepos] |
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199 | add eax,edx |
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200 | mov [filepos],eax |
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201 | ret |
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202 | |||
203 | |||
204 | |||
205 | display_character: |
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206 | pusha |
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207 | cmp [_mode],NORMAL_MODE |
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208 | jne @f |
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209 | cmp dl,13 |
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210 | jz dc2 |
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211 | cmp dl,0xa |
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212 | jnz dc1 |
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213 | and [textxy],0x0000FFFF |
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214 | add [textxy],OUTPUTXY and 0xFFFF0000 + 10 |
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215 | dc2: popa |
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216 | ret |
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217 | dc1: mov eax,[textxy] |
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218 | cmp ax,word[bottom_right] |
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219 | ja dc2 |
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220 | shr eax,16 |
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221 | cmp ax,word[bottom_right+2] |
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222 | ja dc2 |
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223 | mov [dc],dl |
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224 | mcall 4,[textxy],[sc.work_text],dc,1 |
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225 | add [textxy],0x00060000 |
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226 | popa |
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227 | ret |
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228 | @@: mov eax,63 |
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229 | mov ebx,1 |
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230 | mov cl,dl |
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231 | int 0x40 |
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232 | popa |
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233 | ret |
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234 | |||
235 | |||
236 | |||
237 | display_string: |
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238 | pusha |
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239 | @@: cmp byte[esi],0 |
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240 | je @f |
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241 | mov dl,[esi] |
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242 | call display_character |
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243 | add esi,1 |
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244 | jmp @b |
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245 | @@: popa |
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246 | ret |
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247 | |||
248 | display_number: |
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249 | push ebx |
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250 | mov ecx,1000000000 |
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251 | xor edx,edx |
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252 | xor bl,bl |
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253 | display_loop: |
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254 | div ecx |
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255 | push edx |
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256 | cmp ecx,1 |
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257 | je display_digit |
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258 | or bl,bl |
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259 | jnz display_digit |
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260 | or al,al |
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261 | jz digit_ok |
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262 | not bl |
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263 | display_digit: |
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264 | mov dl,al |
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265 | add dl,30h |
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266 | push ebx ecx |
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267 | call display_character |
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268 | pop ecx ebx |
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269 | digit_ok: |
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270 | mov eax,ecx |
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271 | xor edx,edx |
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272 | mov ecx,10 |
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273 | div ecx |
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274 | mov ecx,eax |
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275 | pop eax |
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276 | or ecx,ecx |
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277 | jnz display_loop |
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278 | pop ebx |
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279 | ret |
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280 | |||
281 | display_user_messages: |
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282 | ; push [skinh] |
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283 | ; pop [textxy] |
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284 | ; add [textxy],OUTPUTXY |
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285 | mov [displayed_count],0 |
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286 | call flush_display_buffer |
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287 | cmp [displayed_count],1 |
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288 | jb line_break_ok |
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289 | je make_line_break |
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290 | mov ax,word[last_displayed] |
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291 | cmp ax,0A0Dh |
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292 | je line_break_ok |
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293 | cmp ax,0D0Ah |
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294 | je line_break_ok |
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295 | make_line_break: |
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296 | mov esi,lf |
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297 | call display_string |
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298 | line_break_ok: |
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299 | ret |
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300 | |||
301 | display_block: |
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302 | pusha |
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303 | @@: mov dl,[esi] |
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304 | call display_character |
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305 | inc esi |
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306 | loop @b |
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307 | popa |
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308 | ret |
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309 | |||
310 | fatal_error: |
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311 | mov esi,error_prefix |
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312 | call display_string |
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313 | pop esi |
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314 | call display_string |
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315 | mov esi,error_suffix |
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316 | call display_string |
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317 | mov esi,lf |
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318 | call display_string |
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319 | mov al,0FFh |
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320 | jmp exit_program |
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321 | |||
322 | assembler_error: |
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323 | call display_user_messages |
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324 | push dword 0 |
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325 | mov ebx,[current_line] |
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326 | get_error_lines: |
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327 | push ebx |
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328 | test byte [ebx+7],80h |
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329 | jz display_error_line |
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330 | mov edx,ebx |
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331 | find_definition_origin: |
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332 | mov edx,[edx+12] |
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333 | test byte [edx+7],80h |
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334 | jnz find_definition_origin |
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335 | push edx |
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336 | mov ebx,[ebx+8] |
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337 | jmp get_error_lines |
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338 | display_error_line: |
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339 | mov esi,[ebx] |
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340 | call display_string |
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341 | mov esi,line_number_start |
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342 | call display_string |
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343 | mov eax,[ebx+4] |
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344 | and eax,7FFFFFFFh |
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345 | call display_number |
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346 | mov dl,']' |
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347 | call display_character |
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348 | pop esi |
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349 | cmp ebx,esi |
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350 | je line_number_ok |
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351 | mov dl,20h |
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352 | call display_character |
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353 | push esi |
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354 | mov esi,[esi] |
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355 | movzx ecx,byte [esi] |
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356 | inc esi |
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357 | call display_block |
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358 | mov esi,line_number_start |
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359 | call display_string |
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360 | pop esi |
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361 | mov eax,[esi+4] |
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362 | and eax,7FFFFFFFh |
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363 | call display_number |
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364 | mov dl,']' |
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365 | call display_character |
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366 | line_number_ok: |
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367 | mov esi,line_data_start |
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368 | call display_string |
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369 | mov esi,ebx |
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370 | mov edx,[esi] |
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371 | call open |
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372 | mov al,2 |
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373 | xor edx,edx |
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374 | call lseek |
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375 | mov edx,[esi+8] |
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376 | sub eax,edx |
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377 | push eax |
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378 | xor al,al |
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379 | call lseek |
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380 | mov ecx,[esp] |
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381 | mov edx,[additional_memory] |
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382 | lea eax,[edx+ecx] |
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383 | cmp eax,[additional_memory_end] |
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384 | ja out_of_memory |
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385 | call read |
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386 | call close |
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387 | pop ecx |
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388 | mov esi,[additional_memory] |
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389 | get_line_data: |
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390 | mov al,[esi] |
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391 | cmp al,0Ah |
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392 | je display_line_data |
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393 | cmp al,0Dh |
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394 | je display_line_data |
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395 | cmp al,1Ah |
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396 | je display_line_data |
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397 | or al,al |
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398 | jz display_line_data |
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399 | inc esi |
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400 | loop get_line_data |
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401 | display_line_data: |
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402 | mov ecx,esi |
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403 | mov esi,[additional_memory] |
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404 | sub ecx,esi |
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405 | call display_block |
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406 | mov esi,cr_lf |
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407 | call display_string |
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408 | pop ebx |
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409 | or ebx,ebx |
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410 | jnz display_error_line |
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411 | mov esi,error_prefix |
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412 | call display_string |
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413 | pop esi |
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414 | call display_string |
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415 | mov esi,error_suffix |
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416 | call display_string |
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417 | jmp exit_program |
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418 | |||
419 | __draw_caption: |
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420 | ; mcall 48,4 |
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421 | ; mov [skinh],eax |
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422 | ; mov ebx,eax |
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423 | ; shr ebx,1 |
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424 | ; adc ebx,1+0x000A0000-4 |
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425 | ; mcall 4,,[sc.grab_text],s_title,[s_title.size] |
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426 | |||
427 | mcall 48,4 |
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428 | mov [skinh],eax |
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429 | shr eax,1 |
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430 | adc eax,0 |
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431 | add eax,1-4 |
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432 | push ax |
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433 | if center eq true |
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434 | mcall 9,PROCESSINFO,-1 |
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435 | mov ebx,[PROCESSINFO+process_information.x_size] |
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436 | shr ebx,1 |
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437 | sub ebx,header.size*6/2 + 8 |
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438 | else |
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439 | mov ebx,8 |
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440 | end if |
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441 | shl ebx,16 |
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442 | pop bx |
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443 | mcall 4,,[SYSTEMCOLORS+system_colors.grab_text] |
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444 | ret |
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445 | |||
446 | character db ?,0 |
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447 | bytes_count dd ? |
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448 | |||
449 | textxy dd 0x000500A0 |
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450 | dc db 0x0 |
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451 | filesize dd 0x0 |
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452 | |||
453 | displayed_count dd ? |
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454 | last_displayed rb 2 |
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455 | |||
456 | error_prefix db 'error: ',0 |
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457 | error_suffix db '.',0 |
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458 | line_data_start db ':' |
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459 | cr_lf db 0Dh,0Ah,0 |
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460 | line_number_start db ' [',0 |
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461 | |||
462 | macro dm string { db string,0 } |