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