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| author | 2024-04-25 21:24:10 +0100 | |
|---|---|---|
| committer | 2024-04-25 22:32:27 +0000 | |
| commit | 2d04cacc5322951f187bb17e017c12920ac8ebe2 (patch) | |
| tree | 80ee017efa878dfd5344b44249e6a241f2a7f6e2 /v4.0/src/SELECT/MACROS.INC | |
| parent | Merge pull request #430 from jpbaltazar/typoptbr (diff) | |
| download | ms-dos-main.tar.gz ms-dos-main.tar.xz ms-dos-main.zip | |
Diffstat (limited to 'v4.0/src/SELECT/MACROS.INC')
| -rw-r--r-- | v4.0/src/SELECT/MACROS.INC | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/v4.0/src/SELECT/MACROS.INC b/v4.0/src/SELECT/MACROS.INC new file mode 100644 index 0000000..a942878 --- /dev/null +++ b/v4.0/src/SELECT/MACROS.INC | |||
| @@ -0,0 +1,540 @@ | |||
| 1 | ;;**************************************************************************** | ||
| 2 | ;; Assembler MACROS for use with SELECT. | ||
| 3 | ;; File: MACROS.INC | ||
| 4 | ;; Latest Change Date: July 28, 1987 | ||
| 5 | ;; | ||
| 6 | ;; These macros define powerful assembler verbs neccessary for SELECT. | ||
| 7 | ;; | ||
| 8 | ;; Note: Many of the macros make use of an ASCII-N string for passing | ||
| 9 | ;; parameters. The string is defined below. | ||
| 10 | ;; DW count | ||
| 11 | ;; DB "string_variable",? | ||
| 12 | ;; | ||
| 13 | ;; COUNT is the length of the string and is a word. | ||
| 14 | ;; It is necessary to follow the string with at least one byte for the | ||
| 15 | ;; purpose of changing the ASCII-N string to an ASCII-Z string. | ||
| 16 | ;; | ||
| 17 | ;;**************************************************************************** | ||
| 18 | ;;**************************************************************************** | ||
| 19 | ;; Macro Change History. | ||
| 20 | ;; | ||
| 21 | ;; June 18, 1987 - Split MACROS.INC into 5 smaller files. They are: | ||
| 22 | ;; MACROS.INC | ||
| 23 | ;; MACROS2.INC | ||
| 24 | ;; MACROS3.INC | ||
| 25 | ;; MACROS4.INC | ||
| 26 | ;; MACROS5.INC | ||
| 27 | ;; At the end of the files, there is an INCLUDE statement | ||
| 28 | ;; to include the next file. Therefore, the modules which | ||
| 29 | ;; use these macros do not have to add more include statements. | ||
| 30 | ;; The only one that must have an INCLUDE statement is | ||
| 31 | ;; MACROS.INC. | ||
| 32 | ;; | ||
| 33 | ;; - Removed the PUSHH and POPP macros from the other macro | ||
| 34 | ;; definitions. | ||
| 35 | ;; | ||
| 36 | ;; June 22, 1987 - Added the SCAN_PARAMETERS macro. | ||
| 37 | ;; | ||
| 38 | ;; June 24, 1987 - Added the PREPARE_FILE, WRITE_LINE and SAVE_FILE macros. | ||
| 39 | ;; - Revised the SCAN_PARAMETERS macro to read two of the | ||
| 40 | ;; parameters from a file instead of the command line. | ||
| 41 | ;; | ||
| 42 | ;; June 26, 1987 - Changed the EXEC_PROGRAM macros to perform a call to | ||
| 43 | ;; EXEC_PROGRAM_ROUTINE which performs the same tasks are the | ||
| 44 | ;; previously defined macro. EXEC_PROGRAM_ROUTINE was added | ||
| 45 | ;; to ROUTINES.INC. | ||
| 46 | ;; | ||
| 47 | ;; June 29, 1987 - Changed the GET_COUNTRY_INDEX to a subroutine call to | ||
| 48 | ;; GET_CNTY_INDEX_ROUTINE. The routine has been changed | ||
| 49 | ;; to get the new information from the structure, NUM_DESIGNATES, | ||
| 50 | ;; CPSW_STAT, and RESERVED_1. | ||
| 51 | ;; - Changed GET_COUNTRY_DEFAULTS, GET_KEYBOARD_INDEX and | ||
| 52 | ;; GET_KEYBOARD macros to perform subroutines calls. | ||
| 53 | ;; | ||
| 54 | ;;**************************************************************************** | ||
| 55 | PAGE ;AN000; | ||
| 56 | INCLUDE MAC_EQU.INC ;AN000; | ||
| 57 | ;;**************************************************************************** | ||
| 58 | ;; | ||
| 59 | ;; PUSHH: pushes the listed registers on the stack | ||
| 60 | ;; | ||
| 61 | ;; SYNTAX: PUSHH <register list> | ||
| 62 | ;; | ||
| 63 | ;; INPUT: register list = AX, BX, CX, DX, SI, DI, BP, SS, SP, CS, DS, ES | ||
| 64 | ;; | ||
| 65 | ;; OUTPUT: none | ||
| 66 | ;; | ||
| 67 | ;; OPERATION: | ||
| 68 | ;; | ||
| 69 | ;; PUSHH ALLOWS THE PROGRAMER TO SPECIFY A LIST OF REGISTER TO | ||
| 70 | ;; BE PUSHED ON A SINGLE LINE. | ||
| 71 | ;; | ||
| 72 | ;;**************************************************************************** | ||
| 73 | PUSHH MACRO REG_LIST ;;AN000; | ||
| 74 | IRP REG,<REG_LIST> ;;AN000; | ||
| 75 | PUSH REG ;;AN000; save registers | ||
| 76 | ENDM ;;AN000; | ||
| 77 | ENDM ;;AN000; | ||
| 78 | ;;**************************************************************************** | ||
| 79 | ;; | ||
| 80 | ;; POPP: pops the listed registers on the stack | ||
| 81 | ;; | ||
| 82 | ;; SYNTAX: POPP <register list> | ||
| 83 | ;; | ||
| 84 | ;; INPUT: register list = AX, BX, CX, DX, SI, DI, BP, SS, SP, CS, DS, ES | ||
| 85 | ;; | ||
| 86 | ;; OUTPUT: none | ||
| 87 | ;; | ||
| 88 | ;; OPERATION: | ||
| 89 | ;; | ||
| 90 | ;; POPP ALLOWS THE PROGRAMER TO SPECIFY A LIST OF REGISTER TO | ||
| 91 | ;; BE POPPED ON A SINGLE LINE. | ||
| 92 | ;; | ||
| 93 | ;;**************************************************************************** | ||
| 94 | POPP MACRO REG_LIST ;;AN000; | ||
| 95 | IRP REG,<REG_LIST> ;;AN000; | ||
| 96 | POP REG ;;AN000; return registers to initial state | ||
| 97 | ENDM ;;AN000; | ||
| 98 | ENDM ;;AN000; | ||
| 99 | ;;**************************************************************************** | ||
| 100 | ;; | ||
| 101 | ;; DOSCALL: DOS interrupt 21 function call | ||
| 102 | ;; | ||
| 103 | ;; SYNTAX: DOSCALL | ||
| 104 | ;; | ||
| 105 | ;; INPUT: none | ||
| 106 | ;; | ||
| 107 | ;; OUTPUT: none | ||
| 108 | ;; | ||
| 109 | ;; OPERATION: | ||
| 110 | ;; | ||
| 111 | ;; DOSCALL INVOKES THE DOS INTERRUPT 21 FUNCTION CALL. | ||
| 112 | ;; THE AH REGISTER MUST ALREADY BE LOADED WITH THE | ||
| 113 | ;; REQUIRED VALUE. | ||
| 114 | ;; | ||
| 115 | ;;**************************************************************************** | ||
| 116 | DOSCALL MACRO ;;AN000; | ||
| 117 | INT 21H ;;AN000; call to DOS | ||
| 118 | ENDM ;;AN000; | ||
| 119 | ;;**************************************************************************** | ||
| 120 | ;; | ||
| 121 | ;; INIT_VAR: Load a variable with an immediate value. | ||
| 122 | ;; | ||
| 123 | ;; SYNTAX: INIT_VAR variable, expression | ||
| 124 | ;; | ||
| 125 | ;; INPUT: variable = Address of a variable. | ||
| 126 | ;; expression = The immediate value to load into the variable. | ||
| 127 | ;; | ||
| 128 | ;; OUTPUT: | ||
| 129 | ;; None. | ||
| 130 | ;; | ||
| 131 | ;; OPERATION: The memory variable identified by var is assigned the | ||
| 132 | ;; immediate value specified in immed. | ||
| 133 | ;; | ||
| 134 | ;;**************************************************************************** | ||
| 135 | INIT_VAR MACRO VARIABLE,EXPRESSION ;;AN000; | ||
| 136 | MOV VARIABLE,EXPRESSION ;;AN000; move expression into variable | ||
| 137 | ENDM ;;AN000; | ||
| 138 | ;;**************************************************************************** | ||
| 139 | ;; | ||
| 140 | ;; COPY_WORD: Copy a word variable to another word variable. | ||
| 141 | ;; | ||
| 142 | ;; SYNTAX: COPY_WORD var_dest, var_src | ||
| 143 | ;; | ||
| 144 | ;; INPUT: var_dest - The destination word variable. | ||
| 145 | ;; var_src - The source word variable. | ||
| 146 | ;; | ||
| 147 | ;; OUTPUT: none | ||
| 148 | ;; | ||
| 149 | ;; OPERATION: The contents of var_src remain intact. | ||
| 150 | ;; The contents of AX is destroyed. | ||
| 151 | ;; | ||
| 152 | ;;************************************************************************ | ||
| 153 | COPY_WORD MACRO VAR_DEST, VAR_SRC ;;AN000; | ||
| 154 | MOV AX, VAR_SRC ;;AN000; | ||
| 155 | MOV VAR_DEST,AX ;;AN000; | ||
| 156 | ENDM ;;AN000; | ||
| 157 | ;;**************************************************************************** | ||
| 158 | ;; | ||
| 159 | ;; COPY_BYTE: Copy a byte variable to another byte variable. | ||
| 160 | ;; | ||
| 161 | ;; SYNTAX: COPY_WORD var_dest, var_src | ||
| 162 | ;; | ||
| 163 | ;; INPUT: var_dest - The destination byte variable. | ||
| 164 | ;; var_src - The source byte variable. | ||
| 165 | ;; | ||
| 166 | ;; OUTPUT: none | ||
| 167 | ;; | ||
| 168 | ;; OPERATION: The contents of var_src remain intact. | ||
| 169 | ;; The contents of AL is destroyed. | ||
| 170 | ;; | ||
| 171 | ;;************************************************************************ | ||
| 172 | COPY_BYTE MACRO VAR_DEST, VAR_SRC ;;AN000; | ||
| 173 | MOV AL, VAR_SRC ;;AN000; | ||
| 174 | MOV VAR_DEST,AL ;;AN000; | ||
| 175 | ENDM ;;AN000; | ||
| 176 | ;;**************************************************************************** | ||
| 177 | ;; | ||
| 178 | ;; COMP_WORDS: Compare two 16 bit memory variable. | ||
| 179 | ;; | ||
| 180 | ;; SYNTAX: COMP_WORDS var_dest, var_src | ||
| 181 | ;; | ||
| 182 | ;; INPUT: var_dest - The destination memory variable (16 bits) | ||
| 183 | ;; var_src - The source memory variable (16 bits) | ||
| 184 | ;; | ||
| 185 | ;; OUTPUT: none | ||
| 186 | ;; | ||
| 187 | ;; OPERATION: The two 16 bit memory variables are compared and the status | ||
| 188 | ;; flags are updated. Refer to the ASSEMBLER reference for more details. | ||
| 189 | ;; | ||
| 190 | ;;************************************************************************ | ||
| 191 | COMP_WORDS MACRO VAR_DEST, VAR_SRC ;;AN000; | ||
| 192 | ; | ||
| 193 | MOV AX, VAR_DEST ;;AN000; | ||
| 194 | CMP AX, VAR_SRC ;;AN000; | ||
| 195 | ENDM ;;AN000; | ||
| 196 | ;;**************************************************************************** | ||
| 197 | ;; | ||
| 198 | ;; COMP_BYTES: Compare two 8 bit memory variables. | ||
| 199 | ;; | ||
| 200 | ;; SYNTAX: COMP_BYTES var_dest, var_src | ||
| 201 | ;; | ||
| 202 | ;; INPUT: var_dest - The destination memory variable ( 8 bits) | ||
| 203 | ;; var_src - The source memory variable ( 8 bits) | ||
| 204 | ;; | ||
| 205 | ;; OUTPUT: none | ||
| 206 | ;; | ||
| 207 | ;; OPERATION: The two 8 bit memory variables are compared and the status | ||
| 208 | ;; flags are updated. Refer to the ASSEMBLER reference for more details. | ||
| 209 | ;; | ||
| 210 | ;;************************************************************************ | ||
| 211 | COMP_BYTES MACRO VAR_DEST, VAR_SRC ;;AN000; | ||
| 212 | ; | ||
| 213 | MOV AL, VAR_DEST ;;AN000; | ||
| 214 | CMP AL, VAR_SRC ;;AN000; | ||
| 215 | ENDM ;;AN000; | ||
| 216 | ;;**************************************************************************** | ||
| 217 | ;; | ||
| 218 | ;; INC_VAR: Increment the specified memory variable by 1. | ||
| 219 | ;; | ||
| 220 | ;; SYNTAX: INC_VAR var_dest | ||
| 221 | ;; | ||
| 222 | ;; INPUT: var_dest - The destination memory variable. | ||
| 223 | ;; | ||
| 224 | ;; OUTPUT: none | ||
| 225 | ;; | ||
| 226 | ;; OPERATION: The memory variable is incremented by one. | ||
| 227 | ;; | ||
| 228 | ;;************************************************************************ | ||
| 229 | INC_VAR MACRO VAR_DEST ;;AN000; | ||
| 230 | INC VAR_DEST ;;AN000; | ||
| 231 | ENDM ;;AN000; | ||
| 232 | ;;**************************************************************************** | ||
| 233 | ;; | ||
| 234 | ;; DEC_VAR: Decrement the specified memory variable by 1. | ||
| 235 | ;; | ||
| 236 | ;; SYNTAX: DEC_VAR var_dest | ||
| 237 | ;; | ||
| 238 | ;; INPUT: var_dest - The destination memory variable. | ||
| 239 | ;; | ||
| 240 | ;; OUTPUT: none | ||
| 241 | ;; | ||
| 242 | ;; OPERATION: The memory variable is decremented by one. | ||
| 243 | ;; | ||
| 244 | ;;************************************************************************ | ||
| 245 | DEC_VAR MACRO VAR_DEST ;;AN000; | ||
| 246 | DEC VAR_DEST ;;AN000; | ||
| 247 | ENDM ;;AN000; | ||
| 248 | ;;**************************************************************************** | ||
| 249 | ;; | ||
| 250 | ;; INIT: initializes the DS to the beginning of the data | ||
| 251 | ;; | ||
| 252 | ;; SYNTAX: INIT | ||
| 253 | ;; | ||
| 254 | ;; INPUT: none | ||
| 255 | ;; | ||
| 256 | ;; OUTPUT: none | ||
| 257 | ;; | ||
| 258 | ;; OPERATION: | ||
| 259 | ;; | ||
| 260 | ;; THE MACRO SIMPLY SETS UP THE DATA SEGMENT. | ||
| 261 | ;; | ||
| 262 | ;;**************************************************************************** | ||
| 263 | INIT MACRO ;;AN000; | ||
| 264 | PUSH DS ;;AN000; | ||
| 265 | XOR AX,AX ;;AN000; make AX = 0 | ||
| 266 | PUSH AX ;;AN000; | ||
| 267 | MOV AX,DATA ;;AN000; | ||
| 268 | MOV DS,AX ;;AN000; initialize DS reg to beginning of data | ||
| 269 | ENDM ;;AN000; | ||
| 270 | ;;************************************************************************** | ||
| 271 | ;; | ||
| 272 | ;; MERGE_STRING: merges 2 string blocks together to form a third one | ||
| 273 | ;; | ||
| 274 | ;; SYNTAX: MERGE_STRING name_dest, immed_max, name_src1, name_src2 | ||
| 275 | ;; | ||
| 276 | ;; INPUT: name_dest - Destination string variable (ASCII-N format) | ||
| 277 | ;; immed_max - Maximum length of destination string | ||
| 278 | ;; name_src1 - Source string variable 1 (ASCII-N format) | ||
| 279 | ;; name_src2 - Source string variable 2 (ASCII-N format) | ||
| 280 | ;; | ||
| 281 | ;; OUTPUT: | ||
| 282 | ;; None. | ||
| 283 | ;; | ||
| 284 | ;; OPERATION: | ||
| 285 | ;; The string pointed to by name_scr1 is copied to the destination string | ||
| 286 | ;; first followed by the string pointed to by name_scr2. If the | ||
| 287 | ;; destination string is not long enough to hold the new string, then | ||
| 288 | ;; the strings are copied until all the space is used up. | ||
| 289 | ;; It is assumed that the input strings and the output string | ||
| 290 | ;; are in the current data segment. | ||
| 291 | ;; | ||
| 292 | ;; | ||
| 293 | ;;************************************************************************************** | ||
| 294 | MERGE_STRING MACRO NAME_DEST, IMMED_MAX, NAME_SRC1, NAME_SRC2 ;;AN000; | ||
| 295 | |||
| 296 | LEA DI, NAME_DEST ;;AN000; | ||
| 297 | LEA SI, NAME_SRC1 ;;AN000; | ||
| 298 | MOV AX, IMMED_MAX ;;AN000; | ||
| 299 | CALL COPY_ROUTINE ;;AN000; | ||
| 300 | MOV CX, IMMED_MAX ;;AN000; | ||
| 301 | LEA DI, NAME_DEST ;;AN000; | ||
| 302 | LEA SI, NAME_SRC2 ;;AN000; | ||
| 303 | CALL APPEND_STRING_ROUTINE ;;AN000; | ||
| 304 | ENDM ;;AN000; | ||
| 305 | ;;************************************************************************** | ||
| 306 | ;; | ||
| 307 | ;; APPEND_STRING: Appends an ASCII-N string to the specified string. | ||
| 308 | ;; | ||
| 309 | ;; SYNTAX: APPEND_STRING name_dest, immed_max, name_src | ||
| 310 | ;; | ||
| 311 | ;; INPUT: name_dest - Destination string variable (ASCII-N format) | ||
| 312 | ;; immed_max - Maximum length of destination string | ||
| 313 | ;; name_src - Source string variable (ASCII-N format) | ||
| 314 | ;; | ||
| 315 | ;; OUTPUT: | ||
| 316 | ;; None. | ||
| 317 | ;; | ||
| 318 | ;; OPERATION: | ||
| 319 | ;; The ASCII-N string text defined in name_scr is appended to the | ||
| 320 | ;; end of name_dest. | ||
| 321 | ;; | ||
| 322 | ;;************************************************************************************** | ||
| 323 | APPEND_STRING MACRO NAME_DEST, IMMED_MAX, NAME_SRC ;;AN000; | ||
| 324 | MOV CX, IMMED_MAX ;;AN000; | ||
| 325 | LEA DI, NAME_DEST ;;AN000; | ||
| 326 | LEA SI, NAME_SRC ;;AN000; | ||
| 327 | CALL APPEND_STRING_ROUTINE ;;AN000; | ||
| 328 | ENDM ;;AN000; | ||
| 329 | ;;************************************************************************** | ||
| 330 | ;; | ||
| 331 | ;; COPY_STRING: Copy ASCII-N string text. | ||
| 332 | ;; | ||
| 333 | ;; SYNTAX: MOVE_STRING name_dest, immed_max, name_src | ||
| 334 | ;; | ||
| 335 | ;; INPUT: | ||
| 336 | ;; name_dest - The destination string variable. | ||
| 337 | ;; immed_max - The maximum length of destination string. | ||
| 338 | ;; name_src - source string veriable (ASCII-N format) | ||
| 339 | ;; | ||
| 340 | ;; OUTPUT: | ||
| 341 | ;; None. | ||
| 342 | ;; | ||
| 343 | ;; OPERATION: ASCII-N string text defined in name_src is copied to name_dest. | ||
| 344 | ;; The number of characters copied to name_dest will not exceed immed_max. | ||
| 345 | ;; | ||
| 346 | ;;************************************************************************** | ||
| 347 | COPY_STRING MACRO NAME_DEST, IMMED_MAX, NAME_SRC ;;AN000; | ||
| 348 | ; | ||
| 349 | LEA DI, NAME_DEST ;;AN000; | ||
| 350 | LEA SI, NAME_SRC ;;AN000; | ||
| 351 | MOV AX, IMMED_MAX ;;AN000; | ||
| 352 | CALL COPY_ROUTINE ;;AN000; | ||
| 353 | ENDM ;;AN000; | ||
| 354 | ;;************************************************************************** | ||
| 355 | ;; | ||
| 356 | ;; PUSH_HEADING: Push screen label address to the SELECT stack | ||
| 357 | ;; | ||
| 358 | ;; SYNTAX: PUSH_HEADING immed_lab | ||
| 359 | ;; | ||
| 360 | ;; INPUT: | ||
| 361 | ;; immed_lab - screen label | ||
| 362 | ;; | ||
| 363 | ;; OUTPUT: | ||
| 364 | ;; None. | ||
| 365 | ;; | ||
| 366 | ;; OPERATION: The screen label address is pushed onto the SELECT stack | ||
| 367 | ;; provided the numher of entries on the stack will not exceed the | ||
| 368 | ;; maximum. Error will NOT be generated if the function was not | ||
| 369 | ;; successful. | ||
| 370 | ;; | ||
| 371 | ;;**************************************************************************** | ||
| 372 | PUSH_HEADING MACRO IMMED_LAB ;;AN000; | ||
| 373 | MOV AX, OFFSET IMMED_LAB ;;AN000; | ||
| 374 | CALL PUSH_ROUTINE ;;AN000; | ||
| 375 | ENDM ;;AN000; | ||
| 376 | ;;************************************************************************** | ||
| 377 | ;; | ||
| 378 | ;; POP_HEADING: Pop screen label address from the SELECT stack and jump | ||
| 379 | ;; to the label address. | ||
| 380 | ;; | ||
| 381 | ;; SYNTAX: POP_HEADING | ||
| 382 | ;; | ||
| 383 | ;; INPUT: | ||
| 384 | ;; None. | ||
| 385 | ;; | ||
| 386 | ;; OUTPUT: | ||
| 387 | ;; None. | ||
| 388 | ;; | ||
| 389 | ;; OPERATION: The screen label address from the SELECT stack is poped | ||
| 390 | ;; if the number of entries on the stack is not zero. If the number | ||
| 391 | ;; of entries is zero, the EXIT_DOS screen label address will be used. | ||
| 392 | ;; A jump to the screen label address is also performed. | ||
| 393 | ;; | ||
| 394 | ;;**************************************************************************** | ||
| 395 | POP_HEADING MACRO ;;AN000; | ||
| 396 | CALL POP_ROUTINE ;;AN000; | ||
| 397 | JMP SI ;;AN000; | ||
| 398 | ENDM ;;AN000; | ||
| 399 | ;;**************************************************************************** | ||
| 400 | ;; | ||
| 401 | ;; DIR: get current directory | ||
| 402 | ;; | ||
| 403 | ;; SYNTAX: DIR dir_buffer | ||
| 404 | ;; | ||
| 405 | ;; INPUT: dir_buffer = POINTER TO A 64-BYTE USER MEMORY AREA | ||
| 406 | ;; | ||
| 407 | ;; OUTPUT: CY = 0, AX = N/A, successful | ||
| 408 | ;; CY = 1, AX = error code | ||
| 409 | ;; | ||
| 410 | ;; OPERATION: | ||
| 411 | ;; | ||
| 412 | ;; DIR PLACES THE FULL PATH NAME OF THE CURRENT DIRECTORY FOR THE | ||
| 413 | ;; SPECIFIED DRIVE IN THE BUFFER. | ||
| 414 | ;; THE RETURNING STRING IS AN ASCIIZ STRING AND IT DOES NOT | ||
| 415 | ;; HAVE THE DRIVE LETTER OR A BACKSLASH. | ||
| 416 | ;; IF AN ERROR OCCURS, THE CARRY FLAG IS SET, AND THE ERROR CODE | ||
| 417 | ;; IS RETURNED IN AX. | ||
| 418 | ;; | ||
| 419 | ;;**************************************************************************** | ||
| 420 | DIR MACRO DIR_BUFFER ;;AN000; | ||
| 421 | CALL HOOK_INT_24 ;;AN000; | ||
| 422 | MOV SI,OFFSET DIR_BUFFER ;;AN000; pointer to 64 byte user area | ||
| 423 | MOV DL,0 ;;AN000; give directory of the default drive | ||
| 424 | MOV AH,47H ;;AN000; get current directory | ||
| 425 | DOSCALL ;;AN000; | ||
| 426 | CALL RESTORE_INT_24 ;;AN000; | ||
| 427 | ENDM ;;AN000; | ||
| 428 | ;;**************************************************************************** | ||
| 429 | ;; | ||
| 430 | ;; MAKE_DIR: Make a Directory | ||
| 431 | ;; | ||
| 432 | ;; SYNTAX: MAKE_DIR directory | ||
| 433 | ;; | ||
| 434 | ;; INPUT: directory = An ASCII-N STRING GIVING THE REQUIRED | ||
| 435 | ;; PATH | ||
| 436 | ;; OUTPUT: CY = 0, AX = undefined, call was successful | ||
| 437 | ;; CY = 1, AX = error code | ||
| 438 | ;; | ||
| 439 | ;; OPERATION: | ||
| 440 | ;; | ||
| 441 | ;; THE DIRECTORY IS MADE USING THE DOS INT 21H (AH=39H) CALL. | ||
| 442 | ;; IF AN ERROR OCCURS, THE CARRY FLAG IS SET, AND THE ERROR CODE | ||
| 443 | ;; IS RETURNED IN AX. | ||
| 444 | ;; | ||
| 445 | ;; | ||
| 446 | ;;**************************************************************************** | ||
| 447 | MAKE_DIR MACRO dir_len ;;AN000; | ||
| 448 | CALL HOOK_INT_24 ;;AN000; | ||
| 449 | |||
| 450 | MOV DI,OFFSET dir_len ;;AN000; | ||
| 451 | CALL POS_ZERO ;;AN000; position the '0' at the end of the path | ||
| 452 | MOV DX,OFFSET dir_len[2] ;;AN000; advance pointer to beginning of path | ||
| 453 | MOV AH,39H ;;AN000; make directory interrupt | ||
| 454 | DOSCALL ;;AN000; call to DOS interrupt 21 | ||
| 455 | CALL RESTORE_INT_24 ;;AN000; | ||
| 456 | ENDM ;;AN000; | ||
| 457 | ;;************************************************************************** | ||
| 458 | ;; | ||
| 459 | ;; MAKE_DIR_PATHS: Create the specified directory including all the specified | ||
| 460 | ;; sub-directories if they do not exist. | ||
| 461 | ;; | ||
| 462 | ;; SYNTAX: MAKE_DIR_PATHS name_dir | ||
| 463 | ;; | ||
| 464 | ;; INPUT: | ||
| 465 | ;; name_dir - Directory pathname in ASCII-N string format. | ||
| 466 | ;; | ||
| 467 | ;; OUTPUT: | ||
| 468 | ;; CY = 0 Success | ||
| 469 | ;; CY = 1 Error - AX will contain an error code. | ||
| 470 | ;; | ||
| 471 | ;; OPERATION: The directory pathname is created. | ||
| 472 | ;; If the drive letter and colon are not followed by a '\', then the | ||
| 473 | ;; macro will start creating the directories from the default directory. | ||
| 474 | ;; If they are followed by a '\', then the macro will start at the root. | ||
| 475 | ;; | ||
| 476 | ;; | ||
| 477 | ;;**************************************************************************** | ||
| 478 | MAKE_DIR_PATHS MACRO NAME_DIR ;;AN000; | ||
| 479 | |||
| 480 | MOV BX, OFFSET NAME_DIR ;;AN000; Address of the ASCII-N string | ||
| 481 | CALL MAKE_DIR_PATHS_ROUTINE ;;AN000; | ||
| 482 | ENDM ;;AN000; | ||
| 483 | ;;**************************************************************************** | ||
| 484 | ;; | ||
| 485 | ;; REMOVE_DIR: Remove Directory | ||
| 486 | ;; | ||
| 487 | ;; SYNTAX: REMOVE_DIR directory | ||
| 488 | ;; | ||
| 489 | ;; INPUT: directory = An ASCII-N STRING giving the REQUIRED PATH | ||
| 490 | ;; | ||
| 491 | ;; OUTPUT: CY = 0, AX = undefined, successful | ||
| 492 | ;; CY = 1, AX = error code | ||
| 493 | ;; | ||
| 494 | ;; OPERATION: | ||
| 495 | ;; | ||
| 496 | ;; THE DIRECTORY IS REMOVED USING THE DOS INT 21H (AH=3AH) CALL. | ||
| 497 | ;; IF AN ERROR OCCURS, THE CARRY FLAG IS SET, AND THE ERROR CODE | ||
| 498 | ;; IS RETURNED IN AX. | ||
| 499 | ;; | ||
| 500 | ;; It is assumed that the string is located in the data segment | ||
| 501 | ;; | ||
| 502 | ;;**************************************************************************** | ||
| 503 | REMOVE_DIR MACRO dir_len ;;AN000; | ||
| 504 | |||
| 505 | CALL HOOK_INT_24 ;;AN000; | ||
| 506 | MOV DI,OFFSET dir_len ;;AN000; | ||
| 507 | CALL POS_ZERO ;;AN000; position the '0' at the end of the path | ||
| 508 | MOV DX,OFFSET dir_len[2] ;;AN000; advance pointer to beginning of path | ||
| 509 | MOV AH,3AH ;;AN000; remove the specified directory | ||
| 510 | DOSCALL ;;AN000; call to DOS interrupt 21 | ||
| 511 | CALL RESTORE_INT_24 ;;AN000; | ||
| 512 | ENDM ;;AN000; | ||
| 513 | ;;************************************************************************** | ||
| 514 | ;; | ||
| 515 | ;; CHANGE_DIR: Change the current directory to the specified directory. | ||
| 516 | ;; | ||
| 517 | ;; SYNTAX: CHANGE_DIR name_dir | ||
| 518 | ;; | ||
| 519 | ;; INPUT: | ||
| 520 | ;; name_dir - directory pathname in ASCII-N string format. | ||
| 521 | ;; | ||
| 522 | ;; OUTPUT: | ||
| 523 | ;; CY = 0 Success | ||
| 524 | ;; CY = 1 Error AX will contain an error code | ||
| 525 | ;; | ||
| 526 | ;; OPERATION: The directory pathname identified by the ASCII-N string | ||
| 527 | ;; becomes the default directory. | ||
| 528 | ;; | ||
| 529 | ;;**************************************************************************** | ||
| 530 | CHANGE_DIR MACRO NAME_DIR ;;AN000; | ||
| 531 | |||
| 532 | CALL HOOK_INT_24 ;;AN000; | ||
| 533 | MOV DI,OFFSET NAME_DIR ;;AN000; Get the offset of the string | ||
| 534 | CALL POS_ZERO ;;AN000; Make into an ASCII-Z string | ||
| 535 | MOV DX,OFFSET NAME_DIR+2 ;;AN000; Get the start of the string | ||
| 536 | MOV AH,3BH ;;AN000; DOS function call number | ||
| 537 | DOSCALL ;;AN000; | ||
| 538 | CALL RESTORE_INT_24 ;;AN000; | ||
| 539 | ENDM ;;AN000; | ||
| 540 | INCLUDE MACROS2.INC ;;AN000; | ||