MBASIC tokenized file
From Just Solve the File Format Problem
MBASIC is the direct descendant of the original Altair BASIC from Microsoft, adapted for the CP/M operating system. The various BASICs descended from that starting point were generically known as BASIC-80, and had varying degrees of similarity.
MBASIC used a similar file format to that of the later GW-BASIC tokenized file, though the token values were different.
Contents |
Tokens
Blanks are unused, or at least unknown.
| Hex | Dec | Token meaning |
|---|---|---|
| 80 | 128 | |
| 81 | 129 | END |
| 82 | 130 | FOR |
| 83 | 131 | NEXT |
| 84 | 132 | DATA |
| 85 | 133 | INPUT |
| 86 | 134 | DIM |
| 87 | 135 | READ |
| 88 | 136 | LET |
| 89 | 137 | GOTO |
| 8A | 138 | RUN |
| 8B | 139 | IF |
| 8C | 140 | RESTORE |
| 8D | 141 | GOSUB |
| 8E | 142 | RETURN |
| 8F | 143 | REM |
| 90 | 144 | STOP |
| 91 | 145 | |
| 92 | 146 | CLEAR |
| 93 | 147 | LIST |
| 94 | 148 | NEW |
| 95 | 149 | ON |
| 96 | 150 | DEF |
| 97 | 151 | POKE |
| 98 | 152 | CONT |
| 99 | 153 | |
| 9A | 154 | |
| 9B | 155 | LPRINT |
| 9C | 156 | LLIST |
| 9D | 157 | WIDTH |
| 9E | 158 | ELSE |
| 9F | 159 | TRACE |
| A0 | 160 | NOTRACE |
| A1 | 161 | SWAP |
| A2 | 162 | ERASE |
| A3 | 163 | EDIT |
| A4 | 164 | ERROR |
| A5 | 165 | RESUME |
| A6 | 166 | DEL |
| A7 | 167 | AUTO |
| A8 | 168 | RENUM |
| A9 | 169 | DEFSTR |
| AA | 170 | DEFINT |
| AB | 171 | DEFSNG |
| AC | 172 | DEFDBL |
| AD | 173 | LINE |
| AE | 174 | POP |
| AF | 175 | WHILE |
| B0 | 176 | WEND |
| B1 | 177 | CALL |
| B2 | 178 | WRITE |
| B3 | 179 | COMMON |
| B4 | 180 | CHAIN |
| B5 | 181 | OPTION |
| B6 | 182 | RANDOMIZE |
| B7 | 183 | SYSTEM |
| B8 | 184 | OPEN |
| B9 | 185 | FIELD |
| BA | 186 | GET |
| BB | 187 | PUT |
| BC | 188 | CLOSE |
| BD | 189 | LOAD |
| BE | 190 | MERGE |
| BF | 191 | FILES |
| C0 | 192 | NAME |
| C1 | 193 | KILL |
| C2 | 194 | LSET |
| C3 | 195 | RSET |
| C4 | 196 | SAVE |
| C5 | 197 | RESET |
| C6 | 198 | TEXT |
| C7 | 199 | HOME |
| C8 | 200 | VTAB |
| C9 | 201 | HTAB |
| CA | 202 | INVERSE |
| CB | 203 | NORMAL |
| CC | 204 | GR |
| CD | 205 | COLOR |
| CE | 206 | HLIN |
| CF | 207 | VLIN |
| D0 | 208 | PLOT |
| D1 | 209 | HGR |
| D2 | 210 | HPLOT |
| D3 | 211 | HCOLOR |
| D4 | 212 | BEEP |
| D5 | 213 | WAIT |
| D6 | 214 | |
| D7 | 215 | |
| D8 | 216 | |
| D9 | 217 | |
| DA | 218 | |
| DB | 219 | |
| DC | 220 | |
| DD | 221 | TO |
| DE | 222 | THEN |
| DF | 223 | TAB( |
| E0 | 224 | STEP |
| E1 | 225 | USR |
| E2 | 226 | FN |
| E3 | 227 | SPC( |
| E4 | 228 | NOT |
| E5 | 229 | ERL |
| E6 | 230 | ERR |
| E7 | 231 | STRING$ |
| E8 | 232 | USING |
| E9 | 233 | INSTR |
| EA | 234 | ' |
| EB | 235 | VARPTR |
| EC | 236 | SCRN |
| ED | 237 | HSCRN |
| EE | 238 | INKEY$ |
| EF | 239 | > |
| E0 | 240 | = |
| F1 | 241 | < |
| F2 | 242 | + |
| F3 | 243 | - |
| F4 | 244 | * |
| F5 | 245 | / |
| F6 | 246 | ^ |
| F7 | 247 | AND |
| F8 | 248 | OR |
| F9 | 249 | XOR |
| FA | 250 | EQV |
| FB | 251 | IMP |
| FC | 252 | MOD |
| FD | 253 | (signals that next byte represents token from List 2) |
| FE | 254 | |
| FF | 255 |
List 2: 2nd-byte tokens
These are preceded by a FD (hex) byte.
| Hex | Dec | Token meaning |
|---|---|---|
| 81 | 129 | LEFT$ |
| 82 | 130 | RIGHT$ |
| 83 | 131 | MID$ |
| 84 | 132 | SGN |
| 85 | 133 | INT |
| 86 | 134 | |
| 87 | 135 | SQR |
| 88 | 136 | RND |
| 89 | 137 | SIN |
| 8A | 138 | LOG |
| 8B | 139 | EXP |
| 8C | 140 | COS |
| 8D | 141 | TAN |
| 8E | 142 | ATN |
| 8F | 143 | FRE |
| 90 | 144 | POS |
| 91 | 145 | LEN |
| 92 | 146 | STR$ |
| 93 | 147 | VAL |
| 94 | 148 | ASC |
| 95 | 149 | CHR$ |
| 96 | 150 | PEEK |
| 97 | 151 | SPACE$ |
| 98 | 152 | OCT$ |
| 99 | 153 | HEX$ |
| 9A | 154 | LPOS |
| 9B | 155 | CINT |
| 9C | 156 | CSNG |
| 9D | 157 | CDBL |
| 9E | 158 | FIX |
| 9F | 159 | |
| A0 | 160 | |
| A1 | 161 | |
| A2 | 162 | |
| A3 | 163 | |
| A4 | 164 | |
| A5 | 165 | |
| A6 | 166 | |
| A7 | 167 | |
| A8 | 168 | |
| A9 | 169 | |
| AA | 170 | CVI |
| AB | 171 | CVS |
| AC | 172 | CVD |
| AD | 173 | |
| AE | 174 | EOF |
| AF | 175 | LOC |
| B0 | 176 | LOF |
| B1 | 177 | MKI$ |
| B2 | 178 | MKS$ |
| B3 | 179 | MKD$ |
| B4 | 180 | VPOS |
| B5 | 181 | PDL |
| B6 | 182 | BUTTON |
