The following list is a synopsis of the GEMDOS routines, sorted by function numbers:
| dez | hex | Function | present |
| 0 | 0x00 | Pterm0 | TOS |
| 1 | 0x01 | Cconin | TOS |
| 2 | 0x02 | Cconout | TOS |
| 3 | 0x03 | Cauxin | TOS |
| 4 | 0x04 | Cauxout | TOS |
| 5 | 0x05 | Cprnout | TOS |
| 6 | 0x06 | Crawio | TOS |
| 7 | 0x07 | Crawcin | TOS |
| 8 | 0x08 | Cnecin | TOS |
| 9 | 0x09 | Cconws | TOS |
| 10 | 0x0A | Cconrs | TOS |
| 11 | 0x0B | Cconis | TOS |
| 14 | 0x0E | Dsetdrv | TOS |
| 16 | 0x10 | Cconos | TOS |
| 17 | 0x11 | Cprnos | TOS |
| 18 | 0x12 | Cauxis | TOS |
| 19 | 0x13 | Cauxos | TOS |
| 20 | 0x14 | Maddalt | TOS |
| 21 | 0x15 | Srealloc | TOS 4 |
| 22 | 0x16 | Slbopen | MagiC |
| 23 | 0x17 | Slbclose | MagiC |
| 25 | 0x19 | Dgetdrv | TOS |
| 26 | 0x1A | Fsetdta | TOS |
| 32 | 0x20 | Super | TOS |
| 42 | 0x2A | Tgetdate | TOS |
| 43 | 0x2B | Tsetdate | TOS |
| 44 | 0x2C | Tgettime | TOS |
| 45 | 0x2D | Tsettime | TOS |
| 47 | 0x2F | Fgetdta | TOS |
| 48 | 0x30 | Sversion | TOS |
| 49 | 0x31 | Ptermres | TOS |
| 51 | 0x33 | Sconfig | MagiC |
| 54 | 0x36 | Dfree | TOS |
| 57 | 0x39 | Dcreate | TOS |
| 58 | 0x3A | Ddelete | TOS |
| 59 | 0x3B | Dsetpath | TOS |
| 60 | 0x3C | Fcreate | TOS |
| 61 | 0x3D | Fopen | TOS |
| 62 | 0x3E | Fclose | TOS |
| 63 | 0x3F | Fread | TOS |
| 64 | 0x40 | Fwrite | TOS |
| 65 | 0x41 | Fdelete | TOS |
| 66 | 0x42 | Fseek | TOS |
| 67 | 0x43 | Fattrib | TOS |
| 68 | 0x44 | Mxalloc | TOS |
| 69 | 0x45 | Fdup | TOS |
| 70 | 0x46 | Fforce | TOS |
| 71 | 0x47 | Dgetpath | TOS |
| 72 | 0x48 | Malloc | TOS |
| 73 | 0x49 | Mfree | TOS |
| 74 | 0x4A | Mshrink | TOS |
| 75 | 0x4B | Pexec | TOS |
| 76 | 0x4C | Pterm | TOS |
| 78 | 0x4E | Fsfirst | TOS |
| 79 | 0x4F | Fsnext | TOS |
| 86 | 0x56 | Frename | TOS |
| 87 | 0x57 | Fdatime | TOS |
| 92 | 0x5C | Flock | |
| 96 | 0x60 | Nversion | |
| 96 | 0x60 | Init_Process | GEMTASK Royal |
| 97 | 0x61 | Load_Process | GEMTASK Royal |
| 98 | 0x62 | Frlock | |
| 99 | 0x62 | End_Process | GEMTASK Royal |
| 99 | 0x63 | Frunlock | |
| 99 | 0x63 | Stop_Process | GEMTASK Royal |
| 100 | 0x64 | F_lock | |
| 100 | 0x64 | Cont_Process | GEMTASK Royal |
| 100 | 0x64 | SetLinkAdr | TekBios |
| 101 | 0x65 | Funlock | |
| 101 | 0x65 | Find_Process | GEMTASK Royal |
| 101 | 0x65 | ByteToLink | TekBios |
| 102 | 0x66 | Fflush | |
| 102 | 0x66 | Stop_All | GEMTASK Royal |
| 102 | 0x66 | ByteFromLink | TekBios |
| 103 | 0x67 | Cont_All | GEMTASK Royal |
| 103 | 0x67 | LongWordToLink | TekBios |
| 103 | 0x68 | Creat_Queue | GEMTASK Royal |
| 104 | 0x68 | LongWordFromLink | TekBios |
| 105 | 0x69 | Delete_Queue | GEMTASK Royal |
| 105 | 0x69 | SliceToLink | TekBios |
| 106 | 0x6A | Write_Queue | GEMTASK Royal |
| 106 | 0x6A | SliceFromLink | TekBios |
| 107 | 0x6B | Read_Queue | GEMTASK Royal |
| 107 | 0x6B | Reserved | TekBios |
| 108 | 0x6C | Queue_Info | GEMTASK Royal |
| 108 | 0x6C | Reserved | TekBios |
| 109 | 0x6D | Find_Queue | GEMTASK Royal |
| 109 | 0x6D | Reserved | TekBios |
| 110 | 0x6E | Evnt_Signal | GEMTASK Royal |
| 110 | 0x6E | Reserved | TekBios |
| 111 | 0x6F | Evnt_Wait | GEMTASK Royal |
| 111 | 0x6F | TestError | TekBios |
| 111 | 0x6F | trap111 | Midi-Com |
| 112 | 0x70 | Attach | GEMTASK Royal |
| 112 | 0x70 | SetReset | TekBios |
| 112 | 0x70 | Mfork | MultiGEM |
| 113 | 0x71 | Pr_Assign | GEMTASK Royal |
| 113 | 0x71 | SetAnalyse | TekBios |
| 114 | 0x72 | Creat_Screen | GEMTASK Royal |
| 114 | 0x72 | BootRoot | TekBios |
| 115 | 0x73 | Nenable | PAMs Net |
| 115 | 0x73 | Del_Screen | GEMTASK Royal |
| 116 | 0x74 | Ndisable | PAMs Net |
| 116 | 0x74 | Install | GEMTASK Royal |
| 117 | 0x75 | Nremote | PAMs Net |
| 117 | 0x75 | Mvars | GEMTASK Royal |
| 118 | 0x76 | Nmsg | PAMs Net |
| 118 | 0x76 | Alloc | GEMTASK Royal |
| 119 | 0x77 | Nrecord | PAMs Net |
| 119 | 0x77 | Free | GEMTASK Royal |
| 120 | 0x78 | Nreset | PAMs Net |
| 121 | 0x79 | Nprinter | PAMs Net |
| 122 | 0x7A | Nlocked | PAMs Net |
| 123 | 0x7B | Nunlock | PAMs Net |
| 124 | 0x7C | Nlock | PAMs Net |
| 125 | 0x7D | Nlogged | PAMs Net |
| 126 | 0x7E | Nnodeid | PAMs Net |
| 127 | 0x7F | Nactive | PAMs Net |
| 130 | 0x82 | nap_in_s | NAP BioNet100 |
| 131 | 0x83 | nap_out_s | NAP BioNet100 |
| 255 | 0xFF | Syield | MiNT |
| 256 | 0x100 | Fpipe | MiNT |
| 257 | 0x101 | Ffchown | MiNT |
| 258 | 0x102 | Ffchmod | MiNT |
| 259 | 0x103 | Fsync | MiNT, no implemented yet |
| 260 | 0x104 | Fcntl | MiNT |
| 261 | 0x105 | Finstat | MiNT |
| 262 | 0x106 | Foutstat | MiNT |
| 263 | 0x107 | Fgetchar | MiNT |
| 264 | 0x108 | Fputchar | MiNT |
| 265 | 0x109 | Pwait | MiNT |
| 266 | 0x10A | Pnice | MiNT |
| 267 | 0x10B | Pgetpid | MiNT |
| 268 | 0x10C | Pgetppid | MiNT |
| 269 | 0x10D | Pgetpgrp | MiNT |
| 270 | 0x10E | Psetpgrp | MiNT |
| 271 | 0x10F | Pgetuid | MiNT |
| 272 | 0x110 | Psetuid | MiNT |
| 273 | 0x111 | Pkill | MiNT |
| 274 | 0x112 | Psignal | MiNT |
| 275 | 0x113 | Pvfork | MiNT |
| 276 | 0x114 | Pgetgid | MiNT |
| 277 | 0x115 | Psetgid | MiNT |
| 278 | 0x116 | Psigblock | MiNT |
| 279 | 0x117 | Psigsetmask | MiNT |
| 280 | 0x118 | Pusrval | MiNT |
| 281 | 0x119 | Pdomain | MiNT |
| 282 | 0x11A | Psigreturn | MiNT |
| 283 | 0x11B | Pfork | MiNT |
| 284 | 0x11C | Pwait3 | MiNT |
| 285 | 0x11D | Fselect | MiNT |
| 286 | 0x11E | Prusage | MiNT |
| 287 | 0x11F | Psetlimit | MiNT |
| 288 | 0x120 | Talarm | MiNT |
| 289 | 0x121 | Pause | MiNT |
| 290 | 0x122 | Sysconf | MiNT |
| 291 | 0x123 | Psigpending | MiNT |
| 292 | 0x124 | Dpathconf | MiNT |
| 293 | 0x125 | Pmsg | MiNT |
| 294 | 0x126 | Fmidipipe | MiNT |
| 295 | 0x127 | Prenice | MiNT |
| 296 | 0x128 | Dopendir | MiNT |
| 297 | 0x129 | Dreaddir | MiNT |
| 298 | 0x12A | Drewinddir | MiNT |
| 299 | 0x12B | Dclosedir | MiNT |
| 300 | 0x12C | Fxattr | MiNT |
| 301 | 0x12D | Flink | MiNT |
| 302 | 0x12E | Fsymlink | MiNT |
| 303 | 0x12F | Freadlink | MiNT |
| 304 | 0x130 | Dcntl | MiNT |
| 305 | 0x131 | Fchown | MiNT |
| 306 | 0x132 | Fchmod | MiNT |
| 307 | 0x133 | Pumask | MiNT |
| 308 | 0x134 | Psemaphore | MiNT |
| 309 | 0x135 | Dlock | MiNT |
| 310 | 0x136 | Psigpause | MiNT |
| 311 | 0x137 | Psigaction | MiNT |
| 312 | 0x138 | Pgeteuid | MiNT |
| 313 | 0x139 | Pgetegid | MiNT |
| 314 | 0x13A | Pwaitpid | MiNT |
| 315 | 0x13B | Dgetcwd | MiNT |
| 316 | 0x13C | Salert | MiNT |
| 317 | 0x13D | Tmalarm | MiNT 1.10 |
| 318 | 0x13E | Psigintr | MiNT 1.11 until FreeMiNT 1.15.12 inclusive |
| 319 | 0x13F | Suptime | MiNT 1.11 |
| 320 | 0x140 | Ptrace | MiNT |
| 321 | 0x141 | Mvalidate | MiNT |
| 322 | 0x142 | Dxreaddir | MiNT 1.11 |
| 323 | 0x143 | Pseteuid | MiNT 1.11 |
| 324 | 0x144 | Psetegid | MiNT 1.11 |
| 325 | 0x145 | Pgetauid | MiNT 1.11 |
| 326 | 0x146 | Psetauid | MiNT 1.11 |
| 327 | 0x147 | Pgetgroups | MiNT 1.11 |
| 328 | 0x148 | Psetgroups | MiNT 1.11 |
| 329 | 0x149 | Tsetitimer | MiNT 1.11 |
| 330 | 0x14A | Scookie | MiNT (obsolete) |
| 330 | 0x14A | Dchroot | MiNT ^^^^ |
| 331 | 0x14B | Fstat64 | MiNT |
| 332 | 0x14C | Fseek64 | MiNT |
| 333 | 0x14D | Dsetkey | MiNT |
| 334 | 0x14E | Psetreuid | MiNT 1.12 |
| 335 | 0x14F | Psetregid | MiNT 1.12 |
| 336 | 0x150 | Ssync | MiNT, MagiC |
| 337 | 0x151 | Shutdown | MiNT |
| 338 | 0x152 | Dreadlabel | MiNT 1.12 |
| 339 | 0x153 | Dwritelabel | MiNT 1.12 |
| 340 | 0x154 | Ssystem | MiNT 1.15.0 |
| 341 | 0x155 | Tgettimeofday | MiNT 1.15.0 |
| 342 | 0x156 | Tsettimeofday | MiNT 1.15.0 |
| 343 | 0x157 | Tadjtime | MiNT, no implemented yet |
| 344 | 0x158 | Pgetpriority | MiNT 1.15.0 |
| 345 | 0x159 | Psetpriority | MiNT 1.15.0 |
| 346 | 0x15a | Fpoll | MiNTNet |
| 347 | 0x15B | Fwritev | MiNTNet |
| 348 | 0x15C | Freadv | MiNTNet |
| 349 | 0x15D | Ffstat64 | MiNTNet |
| 350 | 0x15E | Psysctl | MiNT |
| 351 | 0x15F | Pemulation | MiNT |
| 352 | 0x160 | Fsocket | MiNTNet |
| 353 | 0x161 | Fsocketpair | MiNTNet |
| 354 | 0x162 | Faccept | MiNTNet |
| 355 | 0x163 | Fconnect | MiNTNet |
| 356 | 0x164 | Fbind | MiNTNet |
| 357 | 0x165 | Flisten | MiNTNet |
| 358 | 0x166 | Frecvmsg | MiNTNet |
| 359 | 0x167 | Fsendmsg | MiNTNet |
| 360 | 0x168 | Frecvfrom | MiNTNet |
| 361 | 0x169 | Fsendto | MiNTNet |
| 362 | 0x16A | Fsetsockopt | MiNTNet |
| 363 | 0x16B | Fgetsockopt | MiNTNet |
| 364 | 0x16C | Fgetpeername | MiNTNet |
| 365 | 0x16D | Fgetsockname | MiNTNet |
| 366 | 0x16E | Fshutdown | MiNTNet |
| 368 | 0x170 | Pshmget | MiNT |
| 369 | 0x171 | Pshmctl | MiNT |
| 370 | 0x172 | Pshmat | MiNT |
| 371 | 0x173 | Pshmdt | MiNT |
| 372 | 0x174 | Psemget | MiNT |
| 373 | 0x175 | Psemctl | MiNT |
| 374 | 0x176 | Psemop | MiNT |
| 375 | 0x177 | Psemconfig | MiNT |
| 376 | 0x178 | Pmsgget | MiNT |
| 377 | 0x179 | Pmsgctl | MiNT |
| 378 | 0x17A | Pmsgsnd | MiNT |
| 379 | 0x17B | Pmsgrcv | MiNT |
| 381 | 0x17D | Maccess | MiNT |
| 384 | 0x180 | Fchown16 | FreeMiNT 1.16.0 |
| 385 | 0x181 | Fchdir | FreeMiNT 1.17 |
| 386 | 0x182 | Ffdopendir | FreeMiNT 1.17 |
| 387 | 0x183 | Fdirfd | FreeMiNT 1.17 |
| 503 | 0x1F7 | getprt | Atari Network Service |
| 504 | 0x1F8 | dflush | Atari Network Service |
| 505 | 0x1F9 | chpw | Atari Network Service |
| 601 | 0x259 | Disable | Atari Network Service |
| 602 | 0x25A | Enable | Atari Network Service |
| 603 | 0x25B | GetTask | Atari Network Service |
| 604 | 0x25C | OpenPort | Atari Network Service |
| 605 | 0x25D | GetMsg | Atari Network Service |
| 606 | 0x25E | AskMsg | Atari Network Service |
| 607 | 0x25F | AskPort | Atari Network Service |
| 608 | 0x260 | SendMsg | Atari Network Service |
| 609 | 0x261 | ReplyMsg | Atari Network Service |
| 610 | 0x262 | ClosePort | Atari Network Service |
| 612 | 0x264 | GetIPAddr | Atari Network Service |
| 613 | 0x265 | PGetMsg | Atari Network Service |
| 614 | 0x266 | mytime | Atari Network Service |
| 615 | 0x267 | IamBack | Atari Network Service |
| 620 | 0x26C | udp_open | Atari Network Service |
| 621 | 0x26C | udp_close | Atari Network Service |
| 622 | 0x26C | udp_read | Atari Network Service |
| 623 | 0x26D | udp_write | Atari Network Service |
| 630 | 0x276 | tcp_open | Atari Network Service |
| 631 | 0x277 | tcp_write | Atari Network Service |
| 632 | 0x278 | tcp_read | Atari Network Service |
| 633 | 0x279 | tcp_close | Atari Network Service |
| 634 | 0x27A | tcp_abort | Atari Network Service |
| 635 | 0x27B | tcp_stat | Atari Network Service |
| 1296 | 0x510 | Dxopendir | Dir_Lwr |
| 4200 | 0x1068 | Sys_Break | SysMon |
| 4201 | 0x1069 | Sys_Break | SysMon |
| 24000 | 0x5DC0 | STEFcntrl | STEmulator |
See also: GEMDOS BIOS function list XBIOS function list