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Rev | Author | Line No. | Line |
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220 | heavyiron | 1 | ; flat assembler |
2 | ; Copyright (c) 1999-2006, Tomasz Grysztar |
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31 | halyavin | 3 | ; All rights reserved. |
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 | |||
332 | diamond | 90 | alloc_handle: |
91 | call make_fullpaths |
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92 | mov ebx, fileinfos+4 |
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93 | @@: |
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94 | cmp dword [ebx], -1 |
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95 | jz .found |
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96 | add ebx, 4+20+MAX_PATH |
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97 | cmp ebx, fileinfos_end |
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98 | jb @b |
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99 | stc |
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100 | ret |
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101 | .found: |
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102 | and dword [ebx+4], 0 |
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103 | and dword [ebx+8], 0 |
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104 | push esi edi ecx |
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105 | mov esi, fullpath_open |
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106 | lea edi, [ebx+20] |
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107 | mov ecx, MAX_PATH |
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108 | rep movsb |
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109 | pop ecx edi esi |
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110 | ret ; CF=0 |
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31 | halyavin | 111 | |
112 | create: |
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332 | diamond | 113 | call alloc_handle |
114 | jc .ret |
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115 | and dword [ebx-4], 0 |
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116 | mov dword [ebx], 2 |
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117 | .ret: |
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118 | ret |
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31 | halyavin | 119 | |
182 | serge | 120 | |
121 | open: |
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122 | ; call make_fullpaths |
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123 | |||
124 | ;; mov eax,fullpath_open |
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125 | ;; DEBUGF '"%s"\n',eax |
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126 | |||
127 | ; mov dword[file_info_open+8],-1 |
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128 | ; mcall 58,file_info_open |
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129 | ; or eax,eax ; found |
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130 | ; jz @f |
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131 | ; cmp eax,6 |
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132 | ; jne file_error |
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133 | ;@@: mov [filesize],ebx |
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134 | ; clc |
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135 | ; ret |
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136 | ;file_error: |
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137 | ; stc |
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138 | ; ret |
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139 | |||
332 | diamond | 140 | call alloc_handle |
141 | jc .ret |
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142 | mov dword [ebx], 5 |
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143 | and dword [ebx+12], 0 |
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144 | mov dword [ebx+16], fileinfo |
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145 | mov eax, 70 |
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146 | push ebx |
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147 | int 0x40 |
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148 | pop ebx |
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149 | test eax, eax |
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150 | jnz .fail |
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151 | mov eax, [fileinfo.size] |
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152 | mov [ebx-4], eax |
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153 | and dword [ebx], 0 |
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154 | .ret: |
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155 | ret |
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182 | serge | 156 | .fail: |
332 | diamond | 157 | or dword [ebx], -1 ; close handle |
158 | stc |
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159 | ret |
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182 | serge | 160 | |
161 | read: |
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162 | ; pusha |
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163 | ; mov edi,edx |
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164 | ; mov esi,[filepos] |
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165 | ; add esi,0x20000 |
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166 | ; cld |
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167 | ; rep movsb |
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168 | ; popa |
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169 | ;; ret |
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170 | |||
332 | diamond | 171 | mov [ebx+12], ecx |
172 | mov [ebx+16], edx |
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173 | push ebx |
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174 | mov eax, 70 |
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175 | int 0x40 |
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176 | xchg eax, [esp] |
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177 | add [eax+4], ebx |
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178 | adc [eax+8], dword 0 |
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179 | mov ebx, eax |
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180 | pop eax |
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181 | test eax, eax |
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182 | jz .ok |
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183 | cmp eax, 6 |
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184 | jz .ok |
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185 | stc |
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186 | .ok: |
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187 | ret |
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188 | |||
182 | serge | 189 | close: |
332 | diamond | 190 | or dword [ebx], -1 |
191 | ret |
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182 | serge | 192 | |
193 | |||
31 | halyavin | 194 | ; ebx file handle |
195 | ; ecx count of bytes to write |
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196 | ; edx pointer to buffer |
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197 | write: |
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182 | serge | 198 | ; pusha |
199 | ; mov [file_info_write+8],ecx |
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200 | ; mov [file_info_write+12],edx |
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201 | ; mov [filesize],edx |
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202 | ; mov eax,58 |
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203 | ; mov ebx,file_info_write |
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204 | ; int 0x40 |
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205 | ; popa |
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206 | ; ret |
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31 | halyavin | 207 | |
332 | diamond | 208 | mov [ebx+12], ecx |
209 | mov [ebx+16], edx |
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210 | push ebx |
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211 | mov eax, 70 |
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212 | int 0x40 |
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213 | xchg eax, [esp] |
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214 | add [eax+4], ebx |
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215 | adc [eax+8], dword 0 |
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216 | mov ebx, eax |
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217 | pop eax |
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218 | mov byte [ebx], 3 |
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219 | cmp eax, 1 |
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220 | cmc |
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221 | ret |
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182 | serge | 222 | |
31 | halyavin | 223 | make_fullpaths: |
224 | pusha |
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225 | push edx |
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226 | |||
227 | mov esi,path ; open |
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228 | ; DEBUGF " '%s'",esi |
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229 | mov edi,fullpath_open |
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230 | cld |
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231 | newc1: |
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232 | movsb |
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233 | cmp byte[esi],0;' ' |
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234 | jne newc1 |
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235 | mov esi,[esp] |
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236 | |||
237 | cmp byte[esi],'/' |
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238 | jne @f |
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239 | mov edi,fullpath_open |
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240 | |||
241 | @@: |
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242 | lodsb |
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243 | stosb |
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244 | cmp al,0 |
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245 | jne @b |
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246 | ; mov ecx,12 |
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247 | ; cld |
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248 | ; rep movsb |
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249 | ; mov byte[edi],0 |
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250 | |||
251 | mov esi,path ; write |
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252 | mov edi,fullpath_write |
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253 | cld |
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254 | newc2: |
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255 | movsb |
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256 | cmp byte[esi],0;' ' |
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257 | jne newc2 |
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258 | mov esi,[esp] |
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259 | |||
260 | cmp byte[esi],'/' |
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261 | jne @f |
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262 | mov edi,fullpath_write |
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263 | |||
264 | @@: |
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265 | lodsb |
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266 | stosb |
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267 | cmp al,0 |
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268 | jne @b |
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269 | ; mov ecx,12 |
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270 | ; cld |
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271 | ; rep movsb |
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272 | ; mov byte[edi],0 |
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273 | |||
274 | mov esi,path ; start |
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275 | mov edi,fullpath_start |
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276 | cld |
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277 | newc3: |
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278 | movsb |
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279 | cmp byte[esi],0;' ' |
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280 | jne newc3 |
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281 | ; mov esi,[esp] |
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282 | pop esi |
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283 | |||
284 | cmp byte[esi],'/' |
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285 | jne @f |
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286 | mov edi,fullpath_start |
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287 | |||
288 | @@: |
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289 | lodsb |
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290 | stosb |
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291 | cmp al,0 |
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292 | jne @b |
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293 | ; mov ecx,12 |
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294 | ; cld |
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295 | ; rep movsb |
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296 | ; mov byte[edi],0 |
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297 | |||
298 | ; add esp,4 |
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299 | popa |
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300 | ret |
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301 | |||
302 | |||
303 | |||
304 | lseek: |
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305 | cmp al,0 |
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306 | jnz @f |
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332 | diamond | 307 | and dword [ebx+4], 0 |
308 | and dword [ebx+8], 0 |
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31 | halyavin | 309 | @@: cmp al,2 |
310 | jnz @f |
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332 | diamond | 311 | mov eax, [ebx-4] |
312 | mov [ebx+4], eax |
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313 | and dword [ebx+8], 0 |
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314 | @@: add dword [ebx+4], edx |
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315 | adc dword [ebx+8], 0 |
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31 | halyavin | 316 | ret |
317 | |||
318 | display_character: |
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319 | pusha |
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320 | cmp [_mode],NORMAL_MODE |
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321 | jne @f |
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322 | cmp dl,13 |
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323 | jz dc2 |
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324 | cmp dl,0xa |
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325 | jnz dc1 |
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326 | and [textxy],0x0000FFFF |
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327 | add [textxy],OUTPUTXY and 0xFFFF0000 + 10 |
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182 | serge | 328 | dc2: |
174 | heavyiron | 329 | popa |
31 | halyavin | 330 | ret |
182 | serge | 331 | dc1: |
174 | heavyiron | 332 | mov eax,[textxy] |
31 | halyavin | 333 | cmp ax,word[bottom_right] |
334 | ja dc2 |
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335 | shr eax,16 |
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336 | cmp ax,word[bottom_right+2] |
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337 | ja dc2 |
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338 | mov [dc],dl |
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339 | mcall 4,[textxy],[sc.work_text],dc,1 |
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340 | add [textxy],0x00060000 |
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341 | popa |
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342 | ret |
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174 | heavyiron | 343 | @@: |
344 | mov eax,63 |
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31 | halyavin | 345 | mov ebx,1 |
346 | mov cl,dl |
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347 | int 0x40 |
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348 | popa |
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349 | ret |
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350 | |||
351 | |||
352 | display_string: |
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353 | pusha |
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182 | serge | 354 | @@: |
174 | heavyiron | 355 | cmp byte[esi],0 |
31 | halyavin | 356 | je @f |
357 | mov dl,[esi] |
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358 | call display_character |
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359 | add esi,1 |
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360 | jmp @b |
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174 | heavyiron | 361 | @@: |
362 | popa |
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31 | halyavin | 363 | ret |
364 | |||
365 | display_number: |
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366 | push ebx |
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367 | mov ecx,1000000000 |
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368 | xor edx,edx |
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369 | xor bl,bl |
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174 | heavyiron | 370 | display_loop: |
31 | halyavin | 371 | div ecx |
372 | push edx |
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373 | cmp ecx,1 |
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374 | je display_digit |
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375 | or bl,bl |
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376 | jnz display_digit |
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377 | or al,al |
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378 | jz digit_ok |
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379 | not bl |
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174 | heavyiron | 380 | display_digit: |
31 | halyavin | 381 | mov dl,al |
382 | add dl,30h |
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383 | push ebx ecx |
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384 | call display_character |
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385 | pop ecx ebx |
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174 | heavyiron | 386 | digit_ok: |
31 | halyavin | 387 | mov eax,ecx |
388 | xor edx,edx |
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389 | mov ecx,10 |
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390 | div ecx |
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391 | mov ecx,eax |
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392 | pop eax |
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393 | or ecx,ecx |
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394 | jnz display_loop |
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395 | pop ebx |
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396 | ret |
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397 | |||
398 | display_user_messages: |
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399 | ; push [skinh] |
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400 | ; pop [textxy] |
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401 | ; add [textxy],OUTPUTXY |
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402 | mov [displayed_count],0 |
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403 | call flush_display_buffer |
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404 | cmp [displayed_count],1 |
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405 | jb line_break_ok |
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406 | je make_line_break |
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407 | mov ax,word[last_displayed] |
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408 | cmp ax,0A0Dh |
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409 | je line_break_ok |
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410 | cmp ax,0D0Ah |
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411 | je line_break_ok |
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174 | heavyiron | 412 | make_line_break: |
31 | halyavin | 413 | mov esi,lf |
414 | call display_string |
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174 | heavyiron | 415 | line_break_ok: |
31 | halyavin | 416 | ret |
417 | |||
418 | display_block: |
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419 | pusha |
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174 | heavyiron | 420 | @@: mov dl,[esi] |
31 | halyavin | 421 | call display_character |
422 | inc esi |
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423 | loop @b |
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424 | popa |
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425 | ret |
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426 | |||
427 | fatal_error: |
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428 | mov esi,error_prefix |
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429 | call display_string |
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430 | pop esi |
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431 | call display_string |
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432 | mov esi,error_suffix |
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433 | call display_string |
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434 | mov esi,lf |
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435 | call display_string |
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436 | mov al,0FFh |
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437 | jmp exit_program |
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438 | |||
439 | assembler_error: |
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440 | call display_user_messages |
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441 | push dword 0 |
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442 | mov ebx,[current_line] |
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174 | heavyiron | 443 | get_error_lines: |
31 | halyavin | 444 | push ebx |
445 | test byte [ebx+7],80h |
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446 | jz display_error_line |
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447 | mov edx,ebx |
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174 | heavyiron | 448 | find_definition_origin: |
31 | halyavin | 449 | mov edx,[edx+12] |
450 | test byte [edx+7],80h |
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451 | jnz find_definition_origin |
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452 | push edx |
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453 | mov ebx,[ebx+8] |
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454 | jmp get_error_lines |
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174 | heavyiron | 455 | display_error_line: |
31 | halyavin | 456 | mov esi,[ebx] |
457 | call display_string |
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458 | mov esi,line_number_start |
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459 | call display_string |
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460 | mov eax,[ebx+4] |
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461 | and eax,7FFFFFFFh |
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462 | call display_number |
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463 | mov dl,']' |
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464 | call display_character |
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465 | pop esi |
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466 | cmp ebx,esi |
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467 | je line_number_ok |
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468 | mov dl,20h |
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469 | call display_character |
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470 | push esi |
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471 | mov esi,[esi] |
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472 | movzx ecx,byte [esi] |
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473 | inc esi |
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474 | call display_block |
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475 | mov esi,line_number_start |
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476 | call display_string |
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477 | pop esi |
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478 | mov eax,[esi+4] |
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479 | and eax,7FFFFFFFh |
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480 | call display_number |
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481 | mov dl,']' |
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482 | call display_character |
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174 | heavyiron | 483 | line_number_ok: |
31 | halyavin | 484 | mov esi,line_data_start |
485 | call display_string |
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486 | mov esi,ebx |
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487 | mov edx,[esi] |
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488 | call open |
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489 | mov al,2 |
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490 | xor edx,edx |
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491 | call lseek |
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492 | mov edx,[esi+8] |
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493 | sub eax,edx |
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494 | push eax |
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495 | xor al,al |
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496 | call lseek |
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497 | mov ecx,[esp] |
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498 | mov edx,[additional_memory] |
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499 | lea eax,[edx+ecx] |
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500 | cmp eax,[additional_memory_end] |
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501 | ja out_of_memory |
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502 | call read |
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503 | call close |
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504 | pop ecx |
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505 | mov esi,[additional_memory] |
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174 | heavyiron | 506 | get_line_data: |
31 | halyavin | 507 | mov al,[esi] |
508 | cmp al,0Ah |
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509 | je display_line_data |
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510 | cmp al,0Dh |
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511 | je display_line_data |
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512 | cmp al,1Ah |
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513 | je display_line_data |
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514 | or al,al |
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515 | jz display_line_data |
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516 | inc esi |
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517 | loop get_line_data |
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174 | heavyiron | 518 | display_line_data: |
31 | halyavin | 519 | mov ecx,esi |
520 | mov esi,[additional_memory] |
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521 | sub ecx,esi |
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522 | call display_block |
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523 | mov esi,cr_lf |
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524 | call display_string |
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525 | pop ebx |
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526 | or ebx,ebx |
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527 | jnz display_error_line |
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528 | mov esi,error_prefix |
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529 | call display_string |
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530 | pop esi |
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531 | call display_string |
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532 | mov esi,error_suffix |
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533 | call display_string |
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534 | jmp exit_program |
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535 | |||
182 | serge | 536 | align 4 |
537 | fileinfo FILEINFO |
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31 | halyavin | 538 | |
539 | character db ?,0 |
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540 | bytes_count dd ? |
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541 | |||
542 | textxy dd 0x000500A0 |
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543 | dc db 0x0 |
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544 | filesize dd 0x0 |
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545 | |||
546 | displayed_count dd ? |
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547 | last_displayed rb 2 |
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548 | |||
549 | error_prefix db 'error: ',0 |
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550 | error_suffix db '.',0 |
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551 | line_data_start db ':' |
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552 | cr_lf db 0Dh,0Ah,0 |
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553 | line_number_start db ' [',0 |
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554 | |||
174 | heavyiron | 555 | macro dm string { db string,0 } |