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Rev | Author | Line No. | Line |
---|---|---|---|
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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635 | diamond | 61 | mcall 18, 16 |
62 | cmp eax, 0xFFFFFFFF shr 9 |
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63 | jbe @f |
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64 | mov eax, 0xFFFFFFFF shr 9 |
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65 | @@: |
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66 | shl eax, 9 |
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67 | lea ecx, [eax+stacktop] |
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68 | mcall 64, 1 |
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69 | mov [memory_start], stacktop |
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70 | mov [additional_memory_end], ecx |
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71 | sub ecx, stacktop |
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72 | shr ecx, 3 |
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73 | lea ecx, [ecx*5+stacktop] |
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74 | mov [memory_end],ecx |
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75 | mov [additional_memory],ecx |
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31 | halyavin | 76 | ret |
77 | |||
78 | exit_program: |
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79 | cmp [_mode],NORMAL_MODE |
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635 | diamond | 80 | jne @f |
81 | mcall 64, 1, stacktop |
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82 | jmp still |
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83 | @@: |
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31 | halyavin | 84 | or eax,-1 |
485 | heavyiron | 85 | mcall |
31 | halyavin | 86 | |
87 | make_timestamp: |
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88 | push ebx |
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89 | mcall 26,9 |
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90 | imul eax,10 |
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91 | pop ebx |
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92 | ret |
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93 | |||
94 | get_environment_variable: |
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95 | mov ecx,[memory_end] |
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96 | sub ecx,edi |
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97 | cmp ecx,7 |
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98 | jb out_of_memory |
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99 | cmp dword[esi],'INCL' |
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100 | jne .finish |
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101 | mov esi,_ramdisk |
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102 | mov ecx,6 |
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103 | cld |
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104 | rep movsb |
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105 | .finish: |
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106 | ; stc |
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107 | ret |
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108 | |||
332 | diamond | 109 | alloc_handle: |
110 | call make_fullpaths |
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111 | mov ebx, fileinfos+4 |
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112 | @@: |
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113 | cmp dword [ebx], -1 |
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114 | jz .found |
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115 | add ebx, 4+20+MAX_PATH |
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116 | cmp ebx, fileinfos_end |
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117 | jb @b |
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118 | stc |
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119 | ret |
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120 | .found: |
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121 | and dword [ebx+4], 0 |
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122 | and dword [ebx+8], 0 |
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123 | push esi edi ecx |
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124 | mov esi, fullpath_open |
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125 | lea edi, [ebx+20] |
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126 | mov ecx, MAX_PATH |
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127 | rep movsb |
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128 | pop ecx edi esi |
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129 | ret ; CF=0 |
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31 | halyavin | 130 | |
131 | create: |
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332 | diamond | 132 | call alloc_handle |
133 | jc .ret |
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134 | and dword [ebx-4], 0 |
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135 | mov dword [ebx], 2 |
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136 | .ret: |
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137 | ret |
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31 | halyavin | 138 | |
182 | serge | 139 | |
140 | open: |
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141 | ; call make_fullpaths |
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142 | |||
143 | ;; mov eax,fullpath_open |
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144 | ;; DEBUGF '"%s"\n',eax |
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145 | |||
146 | ; mov dword[file_info_open+8],-1 |
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147 | ; mcall 58,file_info_open |
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148 | ; or eax,eax ; found |
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149 | ; jz @f |
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150 | ; cmp eax,6 |
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151 | ; jne file_error |
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152 | ;@@: mov [filesize],ebx |
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153 | ; clc |
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154 | ; ret |
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155 | ;file_error: |
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156 | ; stc |
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157 | ; ret |
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158 | |||
332 | diamond | 159 | call alloc_handle |
160 | jc .ret |
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161 | mov dword [ebx], 5 |
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162 | and dword [ebx+12], 0 |
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163 | mov dword [ebx+16], fileinfo |
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164 | mov eax, 70 |
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165 | push ebx |
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485 | heavyiron | 166 | mcall |
332 | diamond | 167 | pop ebx |
168 | test eax, eax |
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169 | jnz .fail |
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170 | mov eax, [fileinfo.size] |
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171 | mov [ebx-4], eax |
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172 | and dword [ebx], 0 |
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173 | .ret: |
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174 | ret |
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182 | serge | 175 | .fail: |
332 | diamond | 176 | or dword [ebx], -1 ; close handle |
177 | stc |
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178 | ret |
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182 | serge | 179 | |
180 | read: |
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181 | ; pusha |
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182 | ; mov edi,edx |
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183 | ; mov esi,[filepos] |
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184 | ; add esi,0x20000 |
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185 | ; cld |
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186 | ; rep movsb |
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187 | ; popa |
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188 | ;; ret |
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189 | |||
332 | diamond | 190 | mov [ebx+12], ecx |
191 | mov [ebx+16], edx |
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192 | push ebx |
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193 | mov eax, 70 |
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485 | heavyiron | 194 | mcall |
332 | diamond | 195 | xchg eax, [esp] |
196 | add [eax+4], ebx |
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197 | adc [eax+8], dword 0 |
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198 | mov ebx, eax |
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199 | pop eax |
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200 | test eax, eax |
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201 | jz .ok |
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202 | cmp eax, 6 |
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203 | jz .ok |
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204 | stc |
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205 | .ok: |
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206 | ret |
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207 | |||
182 | serge | 208 | close: |
332 | diamond | 209 | or dword [ebx], -1 |
210 | ret |
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182 | serge | 211 | |
212 | |||
31 | halyavin | 213 | ; ebx file handle |
214 | ; ecx count of bytes to write |
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215 | ; edx pointer to buffer |
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216 | write: |
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182 | serge | 217 | ; pusha |
218 | ; mov [file_info_write+8],ecx |
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219 | ; mov [file_info_write+12],edx |
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220 | ; mov [filesize],edx |
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221 | ; mov eax,58 |
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222 | ; mov ebx,file_info_write |
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485 | heavyiron | 223 | ; mcall |
182 | serge | 224 | ; popa |
225 | ; ret |
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31 | halyavin | 226 | |
332 | diamond | 227 | mov [ebx+12], ecx |
228 | mov [ebx+16], edx |
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229 | push ebx |
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230 | mov eax, 70 |
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485 | heavyiron | 231 | mcall |
332 | diamond | 232 | xchg eax, [esp] |
233 | add [eax+4], ebx |
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234 | adc [eax+8], dword 0 |
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235 | mov ebx, eax |
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236 | pop eax |
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237 | mov byte [ebx], 3 |
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238 | cmp eax, 1 |
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239 | cmc |
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240 | ret |
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182 | serge | 241 | |
31 | halyavin | 242 | make_fullpaths: |
243 | pusha |
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244 | push edx |
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245 | |||
246 | mov esi,path ; open |
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247 | ; DEBUGF " '%s'",esi |
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248 | mov edi,fullpath_open |
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249 | cld |
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250 | newc1: |
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251 | movsb |
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252 | cmp byte[esi],0;' ' |
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253 | jne newc1 |
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254 | mov esi,[esp] |
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255 | |||
256 | cmp byte[esi],'/' |
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257 | jne @f |
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258 | mov edi,fullpath_open |
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259 | |||
260 | @@: |
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261 | lodsb |
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262 | stosb |
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263 | cmp al,0 |
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264 | jne @b |
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265 | ; mov ecx,12 |
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266 | ; cld |
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267 | ; rep movsb |
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268 | ; mov byte[edi],0 |
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269 | |||
270 | mov esi,path ; write |
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271 | mov edi,fullpath_write |
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272 | cld |
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273 | newc2: |
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274 | movsb |
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275 | cmp byte[esi],0;' ' |
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276 | jne newc2 |
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277 | mov esi,[esp] |
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278 | |||
279 | cmp byte[esi],'/' |
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280 | jne @f |
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281 | mov edi,fullpath_write |
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282 | |||
283 | @@: |
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284 | lodsb |
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285 | stosb |
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286 | cmp al,0 |
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287 | jne @b |
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288 | ; mov ecx,12 |
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289 | ; cld |
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290 | ; rep movsb |
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291 | ; mov byte[edi],0 |
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292 | |||
293 | mov esi,path ; start |
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294 | mov edi,fullpath_start |
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295 | cld |
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296 | newc3: |
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297 | movsb |
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298 | cmp byte[esi],0;' ' |
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299 | jne newc3 |
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300 | ; mov esi,[esp] |
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301 | pop esi |
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302 | |||
303 | cmp byte[esi],'/' |
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304 | jne @f |
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305 | mov edi,fullpath_start |
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306 | |||
307 | @@: |
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308 | lodsb |
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309 | stosb |
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310 | cmp al,0 |
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311 | jne @b |
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312 | ; mov ecx,12 |
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313 | ; cld |
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314 | ; rep movsb |
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315 | ; mov byte[edi],0 |
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316 | |||
317 | ; add esp,4 |
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318 | popa |
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319 | ret |
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320 | |||
321 | |||
322 | |||
323 | lseek: |
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324 | cmp al,0 |
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325 | jnz @f |
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332 | diamond | 326 | and dword [ebx+4], 0 |
327 | and dword [ebx+8], 0 |
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31 | halyavin | 328 | @@: cmp al,2 |
329 | jnz @f |
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332 | diamond | 330 | mov eax, [ebx-4] |
331 | mov [ebx+4], eax |
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332 | and dword [ebx+8], 0 |
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333 | @@: add dword [ebx+4], edx |
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334 | adc dword [ebx+8], 0 |
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31 | halyavin | 335 | ret |
336 | |||
337 | display_character: |
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338 | pusha |
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339 | cmp [_mode],NORMAL_MODE |
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340 | jne @f |
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341 | cmp dl,13 |
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342 | jz dc2 |
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343 | cmp dl,0xa |
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344 | jnz dc1 |
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345 | and [textxy],0x0000FFFF |
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370 | heavyiron | 346 | add [textxy], 7 shl 16 +53 and 0xFFFF0000 + 10 |
182 | serge | 347 | dc2: |
174 | heavyiron | 348 | popa |
31 | halyavin | 349 | ret |
182 | serge | 350 | dc1: |
174 | heavyiron | 351 | mov eax,[textxy] |
31 | halyavin | 352 | cmp ax,word[bottom_right] |
353 | ja dc2 |
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354 | shr eax,16 |
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355 | cmp ax,word[bottom_right+2] |
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356 | ja dc2 |
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357 | mov [dc],dl |
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358 | mcall 4,[textxy],[sc.work_text],dc,1 |
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359 | add [textxy],0x00060000 |
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360 | popa |
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361 | ret |
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174 | heavyiron | 362 | @@: |
363 | mov eax,63 |
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31 | halyavin | 364 | mov ebx,1 |
365 | mov cl,dl |
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485 | heavyiron | 366 | mcall |
31 | halyavin | 367 | popa |
368 | ret |
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369 | |||
370 | |||
371 | display_string: |
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372 | pusha |
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182 | serge | 373 | @@: |
174 | heavyiron | 374 | cmp byte[esi],0 |
31 | halyavin | 375 | je @f |
376 | mov dl,[esi] |
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377 | call display_character |
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378 | add esi,1 |
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379 | jmp @b |
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174 | heavyiron | 380 | @@: |
381 | popa |
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31 | halyavin | 382 | ret |
383 | |||
384 | display_number: |
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385 | push ebx |
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386 | mov ecx,1000000000 |
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387 | xor edx,edx |
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388 | xor bl,bl |
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174 | heavyiron | 389 | display_loop: |
31 | halyavin | 390 | div ecx |
391 | push edx |
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392 | cmp ecx,1 |
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393 | je display_digit |
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394 | or bl,bl |
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395 | jnz display_digit |
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396 | or al,al |
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397 | jz digit_ok |
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398 | not bl |
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174 | heavyiron | 399 | display_digit: |
31 | halyavin | 400 | mov dl,al |
401 | add dl,30h |
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402 | push ebx ecx |
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403 | call display_character |
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404 | pop ecx ebx |
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174 | heavyiron | 405 | digit_ok: |
31 | halyavin | 406 | mov eax,ecx |
407 | xor edx,edx |
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408 | mov ecx,10 |
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409 | div ecx |
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410 | mov ecx,eax |
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411 | pop eax |
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412 | or ecx,ecx |
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413 | jnz display_loop |
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414 | pop ebx |
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415 | ret |
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416 | |||
417 | display_user_messages: |
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418 | ; push [skinh] |
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419 | ; pop [textxy] |
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370 | heavyiron | 420 | ; add [textxy], 7 shl 16 +53 |
31 | halyavin | 421 | mov [displayed_count],0 |
422 | call flush_display_buffer |
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423 | cmp [displayed_count],1 |
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424 | jb line_break_ok |
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425 | je make_line_break |
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426 | mov ax,word[last_displayed] |
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427 | cmp ax,0A0Dh |
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428 | je line_break_ok |
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429 | cmp ax,0D0Ah |
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430 | je line_break_ok |
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174 | heavyiron | 431 | make_line_break: |
31 | halyavin | 432 | mov esi,lf |
433 | call display_string |
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174 | heavyiron | 434 | line_break_ok: |
31 | halyavin | 435 | ret |
436 | |||
437 | display_block: |
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438 | pusha |
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174 | heavyiron | 439 | @@: mov dl,[esi] |
31 | halyavin | 440 | call display_character |
441 | inc esi |
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442 | loop @b |
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443 | popa |
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444 | ret |
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445 | |||
446 | fatal_error: |
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447 | mov esi,error_prefix |
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448 | call display_string |
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449 | pop esi |
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450 | call display_string |
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451 | mov esi,error_suffix |
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452 | call display_string |
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453 | mov esi,lf |
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454 | call display_string |
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455 | mov al,0FFh |
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456 | jmp exit_program |
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457 | |||
458 | assembler_error: |
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459 | call display_user_messages |
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460 | push dword 0 |
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461 | mov ebx,[current_line] |
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174 | heavyiron | 462 | get_error_lines: |
31 | halyavin | 463 | push ebx |
464 | test byte [ebx+7],80h |
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465 | jz display_error_line |
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466 | mov edx,ebx |
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174 | heavyiron | 467 | find_definition_origin: |
31 | halyavin | 468 | mov edx,[edx+12] |
469 | test byte [edx+7],80h |
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470 | jnz find_definition_origin |
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471 | push edx |
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472 | mov ebx,[ebx+8] |
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473 | jmp get_error_lines |
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174 | heavyiron | 474 | display_error_line: |
31 | halyavin | 475 | mov esi,[ebx] |
476 | call display_string |
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477 | mov esi,line_number_start |
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478 | call display_string |
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479 | mov eax,[ebx+4] |
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480 | and eax,7FFFFFFFh |
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481 | call display_number |
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482 | mov dl,']' |
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483 | call display_character |
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484 | pop esi |
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485 | cmp ebx,esi |
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486 | je line_number_ok |
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487 | mov dl,20h |
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488 | call display_character |
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489 | push esi |
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490 | mov esi,[esi] |
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491 | movzx ecx,byte [esi] |
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492 | inc esi |
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493 | call display_block |
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494 | mov esi,line_number_start |
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495 | call display_string |
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496 | pop esi |
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497 | mov eax,[esi+4] |
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498 | and eax,7FFFFFFFh |
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499 | call display_number |
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500 | mov dl,']' |
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501 | call display_character |
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174 | heavyiron | 502 | line_number_ok: |
31 | halyavin | 503 | mov esi,line_data_start |
504 | call display_string |
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505 | mov esi,ebx |
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506 | mov edx,[esi] |
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507 | call open |
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508 | mov al,2 |
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509 | xor edx,edx |
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510 | call lseek |
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511 | mov edx,[esi+8] |
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512 | sub eax,edx |
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513 | push eax |
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514 | xor al,al |
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515 | call lseek |
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516 | mov ecx,[esp] |
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517 | mov edx,[additional_memory] |
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518 | lea eax,[edx+ecx] |
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519 | cmp eax,[additional_memory_end] |
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520 | ja out_of_memory |
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521 | call read |
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522 | call close |
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523 | pop ecx |
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524 | mov esi,[additional_memory] |
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174 | heavyiron | 525 | get_line_data: |
31 | halyavin | 526 | mov al,[esi] |
527 | cmp al,0Ah |
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528 | je display_line_data |
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529 | cmp al,0Dh |
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530 | je display_line_data |
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531 | cmp al,1Ah |
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532 | je display_line_data |
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533 | or al,al |
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534 | jz display_line_data |
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535 | inc esi |
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536 | loop get_line_data |
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174 | heavyiron | 537 | display_line_data: |
31 | halyavin | 538 | mov ecx,esi |
539 | mov esi,[additional_memory] |
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540 | sub ecx,esi |
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541 | call display_block |
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542 | mov esi,cr_lf |
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543 | call display_string |
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544 | pop ebx |
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545 | or ebx,ebx |
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546 | jnz display_error_line |
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547 | mov esi,error_prefix |
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548 | call display_string |
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549 | pop esi |
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550 | call display_string |
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551 | mov esi,error_suffix |
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552 | call display_string |
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553 | jmp exit_program |
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554 | |||
182 | serge | 555 | align 4 |
556 | fileinfo FILEINFO |
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31 | halyavin | 557 | |
558 | character db ?,0 |
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559 | bytes_count dd ? |
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560 | |||
561 | textxy dd 0x000500A0 |
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562 | dc db 0x0 |
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563 | filesize dd 0x0 |
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564 | |||
565 | displayed_count dd ? |
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566 | last_displayed rb 2 |
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567 | |||
568 | error_prefix db 'error: ',0 |
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569 | error_suffix db '.',0 |
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570 | line_data_start db ':' |
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571 | cr_lf db 0Dh,0Ah,0 |
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572 | line_number_start db ' [',0 |
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573 | |||
174 | heavyiron | 574 | macro dm string { db string,0 } |