LoadErr enum<int16> {
  idNotFound = $1101,
  idNotLoadFile = $1104,
  idBusyErr = $1105,
  idFilVersErr = $1107,
  idUserIDErr = $1108,
  idSequenceErr = $1109,
  idBadRecordErr = $110a,
  idForeignSegErr = $110b,
}

InitialLoadOutputRecPtr = ^InitialLoadOutputRec;
InitialLoadOutputRec struct {
  userID: int16;
  startAddr: Ptr;
  dPageAddr: int16;
  buffSize: int16;
}

RestartOutRecPtr = ^RestartOutRec;
RestartOutRec struct {
  userID: int16;
  startAddr: Ptr;
  dPageAddr: int16;
  buffSize: int16;
}

LoadSegNameOutPtr = ^LoadSegNameOut;
LoadSegNameOut struct {
  segAddr: Ptr;
  fileNum: int16;
  segNum: int16;
}

UnloadSegOutRecPtr = ^UnloadSegOutRec;
UnloadSegOutRec struct {
  userID: int16;
  fileNum: int16;
  segNum: int16;
}

LoaderInitialization() {
  $11, $01
}
LoaderStartUp() {
  $11, $02
}
LoaderShutDown() {
  $11, $03
}
LoaderVersion(): int16 {
  $11, $04
}
LoaderReset() {
  $11, $05
}
LoaderStatus(): bool {
  $11, $06
}
GetLoadSegInfo(userID: int16, loadFileNum: int16, loadSegNum: int16,
  bufferPtr: Ptr) {
  $11, $0f
}
GetUserID(pathNamePtr: Ptr): int16 {
  $11, $10
}
GetUserID2(pathNamePtr: Ptr): int16 {
  $11, $21
}
InitialLoad(userID: int16, loadFileNamePtr: Ptr,
  spMemFlag: bool): ^InitialLoadOutputRec;
InitialLoad2(userID: int16, loadFileNamePtr: Ptr, spMemFlag: bool,
  inputType: int16): ^InitialLoadOutputRec;
GetPathname(userID: int16, fileNumber: int16): Ptr {
  $11, $11
}
GetPathname2(userID: int16, fileNumber: int16): Ptr {
  $11, $22
}
RenamePathname(oldPathname: Ptr, newPathname: Ptr) {
  $11, $13
}
LoadSegName(userID: int16, loadFileNamePtr: Ptr,
  loadSegNamePtr: Ptr): ^LoadSegNameOut;
LoadSegNum(userID: int16, loadFileNum: int16, loadSegNum: int16): Ptr {
  $11, $0b
}
Restart(userID: int16): ^RestartOutRec;
UnloadSeg(segmentPtr: Ptr): ^UnloadSegOutRec;
UnloadSegNum(userID: int16, loadFileNum: int16, loadSegNum: int16) {
  $11, $0c
}
UserShutDown(userID: int16, restartFlag: int16): int16 {
  $11, $12
}