MemErr enum<int16> {
  memErr = $0201,
  emptyErr = $0202,
  notEmptyErr = $0203,
  lockErr = $0204,
  purgeErr = $0205,
  handleErr = $0206,
  idErr = $0207,
  attrErr = $0208,
}

HandleAttr enum<uint16> {
  attrNoPurge = $0000,
  attrBank = $0001,
  attrAddr = $0002,
  attrPage = $0004,
  attrNoSpec = $0008,
  attrNoCross = $0010,
  attrPurge1 = $0100,
  attrPurge2 = $0200,
  attrPurge3 = $0400,
  attrPurge = $0300,
  attrHandle = $1000,
  attrSystem = $2000,
  attrFixed = $4000,
  attrLocked = $8000,
}

MMBootInit() {
  $02, $01
}
MMStartUp(): int16 {
  $02, $02
}
MMShutDown(userID: int16) {
  $02, $03
}
MMVersion(): int16 {
  $02, $04
}
MMReset() {
  $02, $05
}
MMStatus(): bool {
  $02, $06
}
BlockMove(srcPtr: Ptr, dstPtr: Ptr, count: int32) {
  $02, $2b
}
CheckHandle(theHandle: Handle) {
  $02, $1e
}
CompactMem() {
  $02, $1f
}
DisposeAll(userID: int16) {
  $02, $11
}
DisposeHandle(theHandle: Handle) {
  $02, $10
}
FindHandle(locationPtr: Ptr): Handle {
  $02, $1a
}
FreeMem(): int32 {
  $02, $1b
}
GetHandleSize(theHandle: Handle): int32 {
  $02, $18
}
HandToHand(sourceHandle: Handle, destHandle: Handle, count: int32) {
  $02, $2a
}
HandToPtr(sourceHandle: Handle, destPtr: Ptr, count: int32) {
  $02, $29
}
HLock(theHandle: Handle) {
  $02, $20
}
HLockAll(userID: int16) {
  $02, $21
}
HUnlock(theHandle: Handle) {
  $02, $22
}
HUnlockAll(userID: int16) {
  $02, $23
}
MaxBlock(): int32 {
  $02, $1c
}
NewHandle(blockSize: int32, userID: int16, attributes: HandleAttr,
  locationPtr: Ptr): Handle {
  $02, $09
}
PtrToHand(sourcePtr: Ptr, destHandle: Handle, count: int32) {
  $02, $28
}
PurgeAll(userID: int16) {
  $02, $13
}
PurgeHandle(theHandle: Handle) {
  $02, $12
}
RealFreeMem(): int32 {
  $02, $2f
}
ReallocHandle(blockSize: int32, userID: int16, attributes: HandleAttr,
  locationPtr: Ptr, theHandle: Handle) {
  $02, $0a
}
RestoreHandle(theHandle: Handle) {
  $02, $0b
}
SetHandleSize(newSize: int32, theHandle: Handle) {
  $02, $19
}
SetPurge(newPurgeLevel: int16, theHandle: Handle) {
  $02, $24
}
SetPurgeAll(newPurgeLevel: int16, userID: int16) {
  $02, $25
}
TotalMem(): int32 {
  $02, $1d
}
AddToOOMQueue(headerPtr: Ptr) {
  $02, $0c
}
DeleteFromOOMQueue(headerPtr: Ptr) {
  $02, $0d
}