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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 | |||
182 | serge | 7 | struc FILEIO |
8 | { .cmd dd ? |
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9 | .offset dd ? |
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10 | dd ? |
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11 | .count dd ? |
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12 | .buff dd ? |
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13 | db ? |
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14 | .name dd ? |
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15 | }; |
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16 | |||
17 | struc FILEINFO |
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18 | { .attr dd ? |
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19 | .flags dd ? |
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20 | .cr_time dd ? |
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21 | .cr_date dd ? |
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22 | .acc_time dd ? |
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23 | .acc_date dd ? |
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24 | .mod_time dd ? |
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25 | .mod_date dd ? |
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26 | .size dd ? |
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27 | } |
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28 | |||
29 | |||
30 | |||
31 | ;file_info_open: dd 0,0,0xffffff,0x20000,0xf0000 |
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174 | heavyiron | 32 | fullpath_open: ; db '/RD/1/EXAMPLE.ASM' |
31 | halyavin | 33 | times MAX_PATH db 0 |
34 | |||
174 | heavyiron | 35 | |
182 | serge | 36 | ;file_info_write: dd 1,0,0,0,0xf0000 |
174 | heavyiron | 37 | fullpath_write:; db '/RD/1/EXAMPLE' |
31 | halyavin | 38 | times MAX_PATH db 0 |
39 | |||
174 | heavyiron | 40 | file_info_start: ;this part is already rewrited to 70th function |
41 | dd 7 |
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42 | dd 0 |
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43 | dd 0 |
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44 | dd 0 |
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45 | dd 0 |
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46 | fullpath_start: ; db '/RD/1/EXAMPLE' |
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31 | halyavin | 47 | times MAX_PATH db 0 |
48 | |||
49 | _ramdisk db '/RD/1/' |
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50 | filepos dd 0x0 |
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51 | |||
52 | ; info by Privalov: starting from FASM 1.51 |
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53 | ; ~3/8 - additional memory |
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54 | ; ~5/8 - main memory |
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55 | init_memory: |
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56 | mov [memory_start],0x100000 |
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57 | mov [memory_end],0x100000+(APP_MEMORY-0x100000)/8*5 |
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58 | mov [additional_memory],0x100000+(APP_MEMORY-0x100000)/8*5 |
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59 | mov [additional_memory_end],APP_MEMORY |
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60 | ret |
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61 | |||
62 | exit_program: |
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63 | cmp [_mode],NORMAL_MODE |
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64 | je still |
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65 | or eax,-1 |
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66 | int 0x40 |
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67 | |||
68 | make_timestamp: |
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69 | push ebx |
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70 | mcall 26,9 |
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71 | imul eax,10 |
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72 | pop ebx |
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73 | ret |
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74 | |||
75 | get_environment_variable: |
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76 | mov ecx,[memory_end] |
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77 | sub ecx,edi |
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78 | cmp ecx,7 |
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79 | jb out_of_memory |
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80 | cmp dword[esi],'INCL' |
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81 | jne .finish |
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82 | mov esi,_ramdisk |
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83 | mov ecx,6 |
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84 | cld |
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85 | rep movsb |
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86 | .finish: |
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87 | ; stc |
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88 | ret |
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89 | |||
90 | |||
91 | create: |
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92 | call make_fullpaths |
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93 | ret |
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94 | |||
182 | serge | 95 | |
96 | open: |
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97 | ; call make_fullpaths |
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98 | |||
99 | ;; mov eax,fullpath_open |
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100 | ;; DEBUGF '"%s"\n',eax |
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101 | |||
102 | ; mov dword[file_info_open+8],-1 |
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103 | ; mcall 58,file_info_open |
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104 | ; or eax,eax ; found |
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105 | ; jz @f |
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106 | ; cmp eax,6 |
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107 | ; jne file_error |
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108 | ;@@: mov [filesize],ebx |
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109 | ; clc |
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110 | ; ret |
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111 | ;file_error: |
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112 | ; stc |
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113 | ; ret |
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114 | |||
115 | call make_fullpaths |
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116 | |||
117 | xor eax, eax |
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118 | mov [fileio.cmd], 5 |
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119 | mov [fileio.offset], eax |
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120 | mov [fileio.offset+4], eax |
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121 | mov [fileio.count], eax |
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122 | mov [fileio.buff], fileinfo |
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123 | mov byte [fileio.buff+4], al |
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124 | mov [fileio.name], fullpath_open |
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125 | |||
126 | mov eax, 70 |
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127 | mov ebx, fileio |
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128 | int 0x40 |
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129 | test eax, eax |
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130 | jnz .fail |
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131 | mov ebx, [fileinfo.size] |
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132 | mov [filesize],ebx |
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133 | clc |
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134 | ret |
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135 | .fail: |
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136 | stc |
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137 | ret |
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138 | |||
139 | read: |
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140 | ; pusha |
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141 | ; mov edi,edx |
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142 | ; mov esi,[filepos] |
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143 | ; add esi,0x20000 |
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144 | ; cld |
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145 | ; rep movsb |
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146 | ; popa |
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147 | ;; ret |
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148 | |||
149 | xor eax, eax |
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150 | mov [fileio.cmd], eax |
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151 | mov [fileio.offset], eax |
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152 | mov [fileio.offset+4], eax |
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153 | mov [fileio.count], ecx |
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154 | mov [fileio.buff], edx |
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155 | mov byte [fileio.buff+4], al |
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156 | mov [fileio.name], fullpath_open |
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157 | mov eax, 70 |
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158 | mov ebx, fileio |
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159 | int 0x40 |
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160 | close: |
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161 | ret |
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162 | |||
163 | |||
31 | halyavin | 164 | ; ebx file handle |
165 | ; ecx count of bytes to write |
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166 | ; edx pointer to buffer |
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167 | write: |
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182 | serge | 168 | ; pusha |
169 | ; mov [file_info_write+8],ecx |
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170 | ; mov [file_info_write+12],edx |
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171 | ; mov [filesize],edx |
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172 | ; mov eax,58 |
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173 | ; mov ebx,file_info_write |
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174 | ; int 0x40 |
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175 | ; popa |
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176 | ; ret |
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31 | halyavin | 177 | |
182 | serge | 178 | xor eax, eax |
179 | mov [fileio.cmd], 2 |
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180 | mov [fileio.offset], eax |
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181 | mov [fileio.offset+4], eax |
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182 | mov [fileio.count], ecx |
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183 | mov [fileio.buff], edx |
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184 | mov byte [fileio.buff+4], al |
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185 | mov [fileio.name], fullpath_write |
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186 | mov eax, 70 |
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187 | mov ebx, fileio |
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188 | int 0x40 |
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189 | test eax, eax |
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190 | jnz .fail |
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191 | clc |
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192 | ret |
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193 | .fail: |
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194 | stc |
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195 | ret |
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196 | |||
31 | halyavin | 197 | make_fullpaths: |
198 | pusha |
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199 | push edx |
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200 | |||
201 | mov esi,path ; open |
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202 | ; DEBUGF " '%s'",esi |
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203 | mov edi,fullpath_open |
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204 | cld |
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205 | newc1: |
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206 | movsb |
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207 | cmp byte[esi],0;' ' |
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208 | jne newc1 |
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209 | mov esi,[esp] |
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210 | |||
211 | cmp byte[esi],'/' |
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212 | jne @f |
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213 | mov edi,fullpath_open |
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214 | |||
215 | @@: |
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216 | lodsb |
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217 | stosb |
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218 | cmp al,0 |
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219 | jne @b |
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220 | ; mov ecx,12 |
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221 | ; cld |
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222 | ; rep movsb |
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223 | ; mov byte[edi],0 |
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224 | |||
225 | mov esi,path ; write |
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226 | mov edi,fullpath_write |
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227 | cld |
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228 | newc2: |
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229 | movsb |
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230 | cmp byte[esi],0;' ' |
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231 | jne newc2 |
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232 | mov esi,[esp] |
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233 | |||
234 | cmp byte[esi],'/' |
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235 | jne @f |
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236 | mov edi,fullpath_write |
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237 | |||
238 | @@: |
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239 | lodsb |
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240 | stosb |
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241 | cmp al,0 |
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242 | jne @b |
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243 | ; mov ecx,12 |
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244 | ; cld |
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245 | ; rep movsb |
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246 | ; mov byte[edi],0 |
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247 | |||
248 | mov esi,path ; start |
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249 | mov edi,fullpath_start |
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250 | cld |
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251 | newc3: |
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252 | movsb |
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253 | cmp byte[esi],0;' ' |
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254 | jne newc3 |
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255 | ; mov esi,[esp] |
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256 | pop esi |
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257 | |||
258 | cmp byte[esi],'/' |
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259 | jne @f |
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260 | mov edi,fullpath_start |
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261 | |||
262 | @@: |
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263 | lodsb |
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264 | stosb |
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265 | cmp al,0 |
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266 | jne @b |
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267 | ; mov ecx,12 |
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268 | ; cld |
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269 | ; rep movsb |
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270 | ; mov byte[edi],0 |
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271 | |||
272 | ; add esp,4 |
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273 | popa |
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274 | ret |
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275 | |||
276 | |||
277 | |||
278 | lseek: |
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279 | cmp al,0 |
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280 | jnz @f |
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281 | mov [filepos],0 |
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282 | @@: cmp al,1 |
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283 | jnz @f |
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284 | @@: cmp al,2 |
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285 | jnz @f |
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286 | mov eax,[filesize] |
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287 | mov [filepos],eax |
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288 | @@: mov eax,[filepos] |
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289 | add eax,edx |
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290 | mov [filepos],eax |
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291 | ret |
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292 | |||
293 | display_character: |
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294 | pusha |
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295 | cmp [_mode],NORMAL_MODE |
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296 | jne @f |
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297 | cmp dl,13 |
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298 | jz dc2 |
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299 | cmp dl,0xa |
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300 | jnz dc1 |
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301 | and [textxy],0x0000FFFF |
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302 | add [textxy],OUTPUTXY and 0xFFFF0000 + 10 |
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182 | serge | 303 | dc2: |
174 | heavyiron | 304 | popa |
31 | halyavin | 305 | ret |
182 | serge | 306 | dc1: |
174 | heavyiron | 307 | mov eax,[textxy] |
31 | halyavin | 308 | cmp ax,word[bottom_right] |
309 | ja dc2 |
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310 | shr eax,16 |
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311 | cmp ax,word[bottom_right+2] |
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312 | ja dc2 |
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313 | mov [dc],dl |
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314 | mcall 4,[textxy],[sc.work_text],dc,1 |
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315 | add [textxy],0x00060000 |
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316 | popa |
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317 | ret |
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174 | heavyiron | 318 | @@: |
319 | mov eax,63 |
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31 | halyavin | 320 | mov ebx,1 |
321 | mov cl,dl |
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322 | int 0x40 |
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323 | popa |
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324 | ret |
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325 | |||
326 | |||
327 | display_string: |
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328 | pusha |
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182 | serge | 329 | @@: |
174 | heavyiron | 330 | cmp byte[esi],0 |
31 | halyavin | 331 | je @f |
332 | mov dl,[esi] |
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333 | call display_character |
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334 | add esi,1 |
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335 | jmp @b |
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174 | heavyiron | 336 | @@: |
337 | popa |
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31 | halyavin | 338 | ret |
339 | |||
340 | display_number: |
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341 | push ebx |
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342 | mov ecx,1000000000 |
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343 | xor edx,edx |
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344 | xor bl,bl |
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174 | heavyiron | 345 | display_loop: |
31 | halyavin | 346 | div ecx |
347 | push edx |
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348 | cmp ecx,1 |
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349 | je display_digit |
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350 | or bl,bl |
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351 | jnz display_digit |
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352 | or al,al |
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353 | jz digit_ok |
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354 | not bl |
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174 | heavyiron | 355 | display_digit: |
31 | halyavin | 356 | mov dl,al |
357 | add dl,30h |
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358 | push ebx ecx |
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359 | call display_character |
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360 | pop ecx ebx |
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174 | heavyiron | 361 | digit_ok: |
31 | halyavin | 362 | mov eax,ecx |
363 | xor edx,edx |
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364 | mov ecx,10 |
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365 | div ecx |
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366 | mov ecx,eax |
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367 | pop eax |
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368 | or ecx,ecx |
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369 | jnz display_loop |
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370 | pop ebx |
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371 | ret |
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372 | |||
373 | display_user_messages: |
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374 | ; push [skinh] |
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375 | ; pop [textxy] |
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376 | ; add [textxy],OUTPUTXY |
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377 | mov [displayed_count],0 |
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378 | call flush_display_buffer |
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379 | cmp [displayed_count],1 |
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380 | jb line_break_ok |
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381 | je make_line_break |
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382 | mov ax,word[last_displayed] |
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383 | cmp ax,0A0Dh |
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384 | je line_break_ok |
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385 | cmp ax,0D0Ah |
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386 | je line_break_ok |
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174 | heavyiron | 387 | make_line_break: |
31 | halyavin | 388 | mov esi,lf |
389 | call display_string |
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174 | heavyiron | 390 | line_break_ok: |
31 | halyavin | 391 | ret |
392 | |||
393 | display_block: |
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394 | pusha |
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174 | heavyiron | 395 | @@: mov dl,[esi] |
31 | halyavin | 396 | call display_character |
397 | inc esi |
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398 | loop @b |
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399 | popa |
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400 | ret |
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401 | |||
402 | fatal_error: |
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403 | mov esi,error_prefix |
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404 | call display_string |
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405 | pop esi |
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406 | call display_string |
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407 | mov esi,error_suffix |
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408 | call display_string |
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409 | mov esi,lf |
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410 | call display_string |
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411 | mov al,0FFh |
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412 | jmp exit_program |
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413 | |||
414 | assembler_error: |
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415 | call display_user_messages |
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416 | push dword 0 |
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417 | mov ebx,[current_line] |
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174 | heavyiron | 418 | get_error_lines: |
31 | halyavin | 419 | push ebx |
420 | test byte [ebx+7],80h |
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421 | jz display_error_line |
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422 | mov edx,ebx |
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174 | heavyiron | 423 | find_definition_origin: |
31 | halyavin | 424 | mov edx,[edx+12] |
425 | test byte [edx+7],80h |
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426 | jnz find_definition_origin |
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427 | push edx |
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428 | mov ebx,[ebx+8] |
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429 | jmp get_error_lines |
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174 | heavyiron | 430 | display_error_line: |
31 | halyavin | 431 | mov esi,[ebx] |
432 | call display_string |
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433 | mov esi,line_number_start |
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434 | call display_string |
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435 | mov eax,[ebx+4] |
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436 | and eax,7FFFFFFFh |
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437 | call display_number |
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438 | mov dl,']' |
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439 | call display_character |
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440 | pop esi |
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441 | cmp ebx,esi |
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442 | je line_number_ok |
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443 | mov dl,20h |
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444 | call display_character |
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445 | push esi |
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446 | mov esi,[esi] |
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447 | movzx ecx,byte [esi] |
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448 | inc esi |
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449 | call display_block |
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450 | mov esi,line_number_start |
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451 | call display_string |
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452 | pop esi |
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453 | mov eax,[esi+4] |
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454 | and eax,7FFFFFFFh |
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455 | call display_number |
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456 | mov dl,']' |
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457 | call display_character |
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174 | heavyiron | 458 | line_number_ok: |
31 | halyavin | 459 | mov esi,line_data_start |
460 | call display_string |
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461 | mov esi,ebx |
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462 | mov edx,[esi] |
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463 | call open |
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464 | mov al,2 |
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465 | xor edx,edx |
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466 | call lseek |
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467 | mov edx,[esi+8] |
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468 | sub eax,edx |
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469 | push eax |
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470 | xor al,al |
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471 | call lseek |
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472 | mov ecx,[esp] |
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473 | mov edx,[additional_memory] |
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474 | lea eax,[edx+ecx] |
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475 | cmp eax,[additional_memory_end] |
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476 | ja out_of_memory |
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477 | call read |
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478 | call close |
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479 | pop ecx |
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480 | mov esi,[additional_memory] |
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174 | heavyiron | 481 | get_line_data: |
31 | halyavin | 482 | mov al,[esi] |
483 | cmp al,0Ah |
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484 | je display_line_data |
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485 | cmp al,0Dh |
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486 | je display_line_data |
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487 | cmp al,1Ah |
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488 | je display_line_data |
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489 | or al,al |
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490 | jz display_line_data |
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491 | inc esi |
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492 | loop get_line_data |
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174 | heavyiron | 493 | display_line_data: |
31 | halyavin | 494 | mov ecx,esi |
495 | mov esi,[additional_memory] |
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496 | sub ecx,esi |
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497 | call display_block |
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498 | mov esi,cr_lf |
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499 | call display_string |
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500 | pop ebx |
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501 | or ebx,ebx |
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502 | jnz display_error_line |
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503 | mov esi,error_prefix |
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504 | call display_string |
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505 | pop esi |
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506 | call display_string |
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507 | mov esi,error_suffix |
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508 | call display_string |
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509 | jmp exit_program |
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510 | |||
182 | serge | 511 | align 4 |
512 | fileio FILEIO |
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513 | align 4 |
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514 | fileinfo FILEINFO |
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31 | halyavin | 515 | |
516 | character db ?,0 |
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517 | bytes_count dd ? |
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518 | |||
519 | textxy dd 0x000500A0 |
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520 | dc db 0x0 |
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521 | filesize dd 0x0 |
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522 | |||
523 | displayed_count dd ? |
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524 | last_displayed rb 2 |
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525 | |||
526 | error_prefix db 'error: ',0 |
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527 | error_suffix db '.',0 |
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528 | line_data_start db ':' |
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529 | cr_lf db 0Dh,0Ah,0 |
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530 | line_number_start db ' [',0 |
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531 | |||
174 | heavyiron | 532 | macro dm string { db string,0 } |