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Rev | Author | Line No. | Line |
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220 | heavyiron | 1 | ; flat assembler |
542 | diamond | 2 | ; Copyright (c) 1999-2007, Tomasz Grysztar |
31 | halyavin | 3 | ; All rights reserved. |
4 | |||
182 | serge | 5 | struc FILEIO |
6 | { .cmd dd ? |
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7 | .offset dd ? |
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8 | dd ? |
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9 | .count dd ? |
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10 | .buff dd ? |
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11 | db ? |
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12 | .name dd ? |
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13 | }; |
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14 | |||
15 | struc FILEINFO |
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16 | { .attr dd ? |
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17 | .flags dd ? |
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18 | .cr_time dd ? |
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19 | .cr_date dd ? |
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20 | .acc_time dd ? |
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21 | .acc_date dd ? |
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22 | .mod_time dd ? |
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23 | .mod_date dd ? |
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24 | .size dd ? |
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25 | } |
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26 | |||
27 | |||
28 | |||
29 | ;file_info_open: dd 0,0,0xffffff,0x20000,0xf0000 |
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174 | heavyiron | 30 | fullpath_open: ; db '/RD/1/EXAMPLE.ASM' |
31 | halyavin | 31 | times MAX_PATH db 0 |
32 | |||
174 | heavyiron | 33 | |
182 | serge | 34 | ;file_info_write: dd 1,0,0,0,0xf0000 |
174 | heavyiron | 35 | fullpath_write:; db '/RD/1/EXAMPLE' |
31 | halyavin | 36 | times MAX_PATH db 0 |
37 | |||
542 | diamond | 38 | file_info_start: |
174 | heavyiron | 39 | dd 7 |
40 | dd 0 |
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41 | dd 0 |
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42 | dd 0 |
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43 | dd 0 |
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44 | fullpath_start: ; db '/RD/1/EXAMPLE' |
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31 | halyavin | 45 | times MAX_PATH db 0 |
46 | |||
542 | diamond | 47 | file_info_debug: |
48 | dd 7 |
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49 | dd 0 |
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50 | dd fullpath_start |
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51 | dd 0, 0 |
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52 | db '/SYS/DEVELOP/MTDBG',0 |
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53 | |||
54 | _ramdisk db '/RD/1/' |
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31 | halyavin | 55 | filepos dd 0x0 |
56 | |||
57 | ; info by Privalov: starting from FASM 1.51 |
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58 | ; ~3/8 - additional memory |
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59 | ; ~5/8 - main memory |
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60 | init_memory: |
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61 | mov [memory_start],0x100000 |
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62 | mov [memory_end],0x100000+(APP_MEMORY-0x100000)/8*5 |
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63 | mov [additional_memory],0x100000+(APP_MEMORY-0x100000)/8*5 |
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64 | mov [additional_memory_end],APP_MEMORY |
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65 | ret |
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66 | |||
67 | exit_program: |
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68 | cmp [_mode],NORMAL_MODE |
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69 | je still |
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70 | or eax,-1 |
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485 | heavyiron | 71 | mcall |
31 | halyavin | 72 | |
73 | make_timestamp: |
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74 | push ebx |
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75 | mcall 26,9 |
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76 | imul eax,10 |
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77 | pop ebx |
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78 | ret |
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79 | |||
80 | get_environment_variable: |
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81 | mov ecx,[memory_end] |
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82 | sub ecx,edi |
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83 | cmp ecx,7 |
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84 | jb out_of_memory |
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85 | cmp dword[esi],'INCL' |
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86 | jne .finish |
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87 | mov esi,_ramdisk |
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88 | mov ecx,6 |
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89 | cld |
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90 | rep movsb |
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91 | .finish: |
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92 | ; stc |
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93 | ret |
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94 | |||
332 | diamond | 95 | alloc_handle: |
96 | call make_fullpaths |
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97 | mov ebx, fileinfos+4 |
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98 | @@: |
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99 | cmp dword [ebx], -1 |
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100 | jz .found |
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101 | add ebx, 4+20+MAX_PATH |
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102 | cmp ebx, fileinfos_end |
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103 | jb @b |
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104 | stc |
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105 | ret |
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106 | .found: |
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107 | and dword [ebx+4], 0 |
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108 | and dword [ebx+8], 0 |
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109 | push esi edi ecx |
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110 | mov esi, fullpath_open |
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111 | lea edi, [ebx+20] |
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112 | mov ecx, MAX_PATH |
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113 | rep movsb |
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114 | pop ecx edi esi |
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115 | ret ; CF=0 |
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31 | halyavin | 116 | |
117 | create: |
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332 | diamond | 118 | call alloc_handle |
119 | jc .ret |
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120 | and dword [ebx-4], 0 |
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121 | mov dword [ebx], 2 |
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122 | .ret: |
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123 | ret |
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31 | halyavin | 124 | |
182 | serge | 125 | |
126 | open: |
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127 | ; call make_fullpaths |
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128 | |||
129 | ;; mov eax,fullpath_open |
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130 | ;; DEBUGF '"%s"\n',eax |
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131 | |||
132 | ; mov dword[file_info_open+8],-1 |
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133 | ; mcall 58,file_info_open |
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134 | ; or eax,eax ; found |
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135 | ; jz @f |
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136 | ; cmp eax,6 |
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137 | ; jne file_error |
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138 | ;@@: mov [filesize],ebx |
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139 | ; clc |
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140 | ; ret |
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141 | ;file_error: |
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142 | ; stc |
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143 | ; ret |
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144 | |||
332 | diamond | 145 | call alloc_handle |
146 | jc .ret |
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147 | mov dword [ebx], 5 |
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148 | and dword [ebx+12], 0 |
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149 | mov dword [ebx+16], fileinfo |
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150 | mov eax, 70 |
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151 | push ebx |
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485 | heavyiron | 152 | mcall |
332 | diamond | 153 | pop ebx |
154 | test eax, eax |
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155 | jnz .fail |
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156 | mov eax, [fileinfo.size] |
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157 | mov [ebx-4], eax |
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158 | and dword [ebx], 0 |
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159 | .ret: |
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160 | ret |
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182 | serge | 161 | .fail: |
332 | diamond | 162 | or dword [ebx], -1 ; close handle |
163 | stc |
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164 | ret |
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182 | serge | 165 | |
166 | read: |
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167 | ; pusha |
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168 | ; mov edi,edx |
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169 | ; mov esi,[filepos] |
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170 | ; add esi,0x20000 |
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171 | ; cld |
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172 | ; rep movsb |
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173 | ; popa |
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174 | ;; ret |
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175 | |||
332 | diamond | 176 | mov [ebx+12], ecx |
177 | mov [ebx+16], edx |
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178 | push ebx |
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179 | mov eax, 70 |
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485 | heavyiron | 180 | mcall |
332 | diamond | 181 | xchg eax, [esp] |
182 | add [eax+4], ebx |
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183 | adc [eax+8], dword 0 |
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184 | mov ebx, eax |
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185 | pop eax |
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186 | test eax, eax |
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187 | jz .ok |
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188 | cmp eax, 6 |
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189 | jz .ok |
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190 | stc |
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191 | .ok: |
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192 | ret |
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193 | |||
182 | serge | 194 | close: |
332 | diamond | 195 | or dword [ebx], -1 |
196 | ret |
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182 | serge | 197 | |
198 | |||
31 | halyavin | 199 | ; ebx file handle |
200 | ; ecx count of bytes to write |
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201 | ; edx pointer to buffer |
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202 | write: |
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182 | serge | 203 | ; pusha |
204 | ; mov [file_info_write+8],ecx |
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205 | ; mov [file_info_write+12],edx |
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206 | ; mov [filesize],edx |
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207 | ; mov eax,58 |
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208 | ; mov ebx,file_info_write |
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485 | heavyiron | 209 | ; mcall |
182 | serge | 210 | ; popa |
211 | ; ret |
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31 | halyavin | 212 | |
332 | diamond | 213 | mov [ebx+12], ecx |
214 | mov [ebx+16], edx |
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215 | push ebx |
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216 | mov eax, 70 |
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485 | heavyiron | 217 | mcall |
332 | diamond | 218 | xchg eax, [esp] |
219 | add [eax+4], ebx |
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220 | adc [eax+8], dword 0 |
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221 | mov ebx, eax |
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222 | pop eax |
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223 | mov byte [ebx], 3 |
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224 | cmp eax, 1 |
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225 | cmc |
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226 | ret |
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182 | serge | 227 | |
31 | halyavin | 228 | make_fullpaths: |
229 | pusha |
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230 | push edx |
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231 | |||
232 | mov esi,path ; open |
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233 | ; DEBUGF " '%s'",esi |
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234 | mov edi,fullpath_open |
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235 | cld |
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236 | newc1: |
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237 | movsb |
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238 | cmp byte[esi],0;' ' |
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239 | jne newc1 |
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240 | mov esi,[esp] |
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241 | |||
242 | cmp byte[esi],'/' |
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243 | jne @f |
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244 | mov edi,fullpath_open |
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245 | |||
246 | @@: |
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247 | lodsb |
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248 | stosb |
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249 | cmp al,0 |
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250 | jne @b |
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251 | ; mov ecx,12 |
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252 | ; cld |
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253 | ; rep movsb |
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254 | ; mov byte[edi],0 |
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255 | |||
256 | mov esi,path ; write |
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257 | mov edi,fullpath_write |
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258 | cld |
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259 | newc2: |
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260 | movsb |
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261 | cmp byte[esi],0;' ' |
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262 | jne newc2 |
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263 | mov esi,[esp] |
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264 | |||
265 | cmp byte[esi],'/' |
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266 | jne @f |
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267 | mov edi,fullpath_write |
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268 | |||
269 | @@: |
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270 | lodsb |
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271 | stosb |
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272 | cmp al,0 |
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273 | jne @b |
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274 | ; mov ecx,12 |
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275 | ; cld |
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276 | ; rep movsb |
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277 | ; mov byte[edi],0 |
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278 | |||
279 | mov esi,path ; start |
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280 | mov edi,fullpath_start |
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281 | cld |
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282 | newc3: |
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283 | movsb |
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284 | cmp byte[esi],0;' ' |
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285 | jne newc3 |
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286 | ; mov esi,[esp] |
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287 | pop esi |
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288 | |||
289 | cmp byte[esi],'/' |
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290 | jne @f |
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291 | mov edi,fullpath_start |
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292 | |||
293 | @@: |
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294 | lodsb |
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295 | stosb |
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296 | cmp al,0 |
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297 | jne @b |
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298 | ; mov ecx,12 |
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299 | ; cld |
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300 | ; rep movsb |
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301 | ; mov byte[edi],0 |
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302 | |||
303 | ; add esp,4 |
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304 | popa |
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305 | ret |
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306 | |||
307 | |||
308 | |||
309 | lseek: |
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310 | cmp al,0 |
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311 | jnz @f |
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332 | diamond | 312 | and dword [ebx+4], 0 |
313 | and dword [ebx+8], 0 |
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31 | halyavin | 314 | @@: cmp al,2 |
315 | jnz @f |
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332 | diamond | 316 | mov eax, [ebx-4] |
317 | mov [ebx+4], eax |
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318 | and dword [ebx+8], 0 |
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319 | @@: add dword [ebx+4], edx |
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320 | adc dword [ebx+8], 0 |
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31 | halyavin | 321 | ret |
322 | |||
323 | display_character: |
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324 | pusha |
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325 | cmp [_mode],NORMAL_MODE |
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326 | jne @f |
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327 | cmp dl,13 |
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328 | jz dc2 |
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329 | cmp dl,0xa |
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330 | jnz dc1 |
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331 | and [textxy],0x0000FFFF |
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370 | heavyiron | 332 | add [textxy], 7 shl 16 +53 and 0xFFFF0000 + 10 |
182 | serge | 333 | dc2: |
174 | heavyiron | 334 | popa |
31 | halyavin | 335 | ret |
182 | serge | 336 | dc1: |
174 | heavyiron | 337 | mov eax,[textxy] |
31 | halyavin | 338 | cmp ax,word[bottom_right] |
339 | ja dc2 |
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340 | shr eax,16 |
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341 | cmp ax,word[bottom_right+2] |
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342 | ja dc2 |
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343 | mov [dc],dl |
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344 | mcall 4,[textxy],[sc.work_text],dc,1 |
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345 | add [textxy],0x00060000 |
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346 | popa |
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347 | ret |
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174 | heavyiron | 348 | @@: |
349 | mov eax,63 |
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31 | halyavin | 350 | mov ebx,1 |
351 | mov cl,dl |
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485 | heavyiron | 352 | mcall |
31 | halyavin | 353 | popa |
354 | ret |
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355 | |||
356 | |||
357 | display_string: |
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358 | pusha |
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182 | serge | 359 | @@: |
174 | heavyiron | 360 | cmp byte[esi],0 |
31 | halyavin | 361 | je @f |
362 | mov dl,[esi] |
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363 | call display_character |
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364 | add esi,1 |
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365 | jmp @b |
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174 | heavyiron | 366 | @@: |
367 | popa |
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31 | halyavin | 368 | ret |
369 | |||
370 | display_number: |
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371 | push ebx |
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372 | mov ecx,1000000000 |
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373 | xor edx,edx |
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374 | xor bl,bl |
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174 | heavyiron | 375 | display_loop: |
31 | halyavin | 376 | div ecx |
377 | push edx |
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378 | cmp ecx,1 |
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379 | je display_digit |
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380 | or bl,bl |
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381 | jnz display_digit |
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382 | or al,al |
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383 | jz digit_ok |
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384 | not bl |
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174 | heavyiron | 385 | display_digit: |
31 | halyavin | 386 | mov dl,al |
387 | add dl,30h |
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388 | push ebx ecx |
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389 | call display_character |
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390 | pop ecx ebx |
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174 | heavyiron | 391 | digit_ok: |
31 | halyavin | 392 | mov eax,ecx |
393 | xor edx,edx |
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394 | mov ecx,10 |
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395 | div ecx |
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396 | mov ecx,eax |
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397 | pop eax |
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398 | or ecx,ecx |
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399 | jnz display_loop |
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400 | pop ebx |
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401 | ret |
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402 | |||
403 | display_user_messages: |
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404 | ; push [skinh] |
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405 | ; pop [textxy] |
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370 | heavyiron | 406 | ; add [textxy], 7 shl 16 +53 |
31 | halyavin | 407 | mov [displayed_count],0 |
408 | call flush_display_buffer |
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409 | cmp [displayed_count],1 |
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410 | jb line_break_ok |
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411 | je make_line_break |
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412 | mov ax,word[last_displayed] |
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413 | cmp ax,0A0Dh |
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414 | je line_break_ok |
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415 | cmp ax,0D0Ah |
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416 | je line_break_ok |
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174 | heavyiron | 417 | make_line_break: |
31 | halyavin | 418 | mov esi,lf |
419 | call display_string |
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174 | heavyiron | 420 | line_break_ok: |
31 | halyavin | 421 | ret |
422 | |||
423 | display_block: |
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424 | pusha |
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174 | heavyiron | 425 | @@: mov dl,[esi] |
31 | halyavin | 426 | call display_character |
427 | inc esi |
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428 | loop @b |
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429 | popa |
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430 | ret |
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431 | |||
432 | fatal_error: |
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433 | mov esi,error_prefix |
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434 | call display_string |
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435 | pop esi |
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436 | call display_string |
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437 | mov esi,error_suffix |
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438 | call display_string |
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439 | mov esi,lf |
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440 | call display_string |
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441 | mov al,0FFh |
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442 | jmp exit_program |
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443 | |||
444 | assembler_error: |
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445 | call display_user_messages |
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446 | push dword 0 |
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447 | mov ebx,[current_line] |
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174 | heavyiron | 448 | get_error_lines: |
31 | halyavin | 449 | push ebx |
450 | test byte [ebx+7],80h |
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451 | jz display_error_line |
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452 | mov edx,ebx |
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174 | heavyiron | 453 | find_definition_origin: |
31 | halyavin | 454 | mov edx,[edx+12] |
455 | test byte [edx+7],80h |
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456 | jnz find_definition_origin |
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457 | push edx |
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458 | mov ebx,[ebx+8] |
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459 | jmp get_error_lines |
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174 | heavyiron | 460 | display_error_line: |
31 | halyavin | 461 | mov esi,[ebx] |
462 | call display_string |
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463 | mov esi,line_number_start |
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464 | call display_string |
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465 | mov eax,[ebx+4] |
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466 | and eax,7FFFFFFFh |
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467 | call display_number |
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468 | mov dl,']' |
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469 | call display_character |
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470 | pop esi |
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471 | cmp ebx,esi |
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472 | je line_number_ok |
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473 | mov dl,20h |
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474 | call display_character |
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475 | push esi |
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476 | mov esi,[esi] |
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477 | movzx ecx,byte [esi] |
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478 | inc esi |
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479 | call display_block |
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480 | mov esi,line_number_start |
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481 | call display_string |
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482 | pop esi |
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483 | mov eax,[esi+4] |
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484 | and eax,7FFFFFFFh |
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485 | call display_number |
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486 | mov dl,']' |
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487 | call display_character |
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174 | heavyiron | 488 | line_number_ok: |
31 | halyavin | 489 | mov esi,line_data_start |
490 | call display_string |
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491 | mov esi,ebx |
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492 | mov edx,[esi] |
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493 | call open |
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494 | mov al,2 |
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495 | xor edx,edx |
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496 | call lseek |
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497 | mov edx,[esi+8] |
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498 | sub eax,edx |
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499 | push eax |
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500 | xor al,al |
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501 | call lseek |
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502 | mov ecx,[esp] |
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503 | mov edx,[additional_memory] |
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504 | lea eax,[edx+ecx] |
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505 | cmp eax,[additional_memory_end] |
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506 | ja out_of_memory |
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507 | call read |
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508 | call close |
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509 | pop ecx |
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510 | mov esi,[additional_memory] |
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174 | heavyiron | 511 | get_line_data: |
31 | halyavin | 512 | mov al,[esi] |
513 | cmp al,0Ah |
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514 | je display_line_data |
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515 | cmp al,0Dh |
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516 | je display_line_data |
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517 | cmp al,1Ah |
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518 | je display_line_data |
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519 | or al,al |
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520 | jz display_line_data |
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521 | inc esi |
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522 | loop get_line_data |
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174 | heavyiron | 523 | display_line_data: |
31 | halyavin | 524 | mov ecx,esi |
525 | mov esi,[additional_memory] |
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526 | sub ecx,esi |
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527 | call display_block |
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528 | mov esi,cr_lf |
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529 | call display_string |
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530 | pop ebx |
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531 | or ebx,ebx |
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532 | jnz display_error_line |
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533 | mov esi,error_prefix |
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534 | call display_string |
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535 | pop esi |
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536 | call display_string |
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537 | mov esi,error_suffix |
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538 | call display_string |
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539 | jmp exit_program |
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540 | |||
182 | serge | 541 | align 4 |
542 | fileinfo FILEINFO |
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31 | halyavin | 543 | |
544 | character db ?,0 |
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545 | bytes_count dd ? |
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546 | |||
547 | textxy dd 0x000500A0 |
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548 | dc db 0x0 |
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549 | filesize dd 0x0 |
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550 | |||
551 | displayed_count dd ? |
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552 | last_displayed rb 2 |
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553 | |||
554 | error_prefix db 'error: ',0 |
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555 | error_suffix db '.',0 |
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556 | line_data_start db ':' |
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557 | cr_lf db 0Dh,0Ah,0 |
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558 | line_number_start db ' [',0 |
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559 | |||
174 | heavyiron | 560 | macro dm string { db string,0 } |