Service Manuals, User Guides, Schematic Diagrams or docs for : xerox mesa 4.0_1978 listing Mesa_4_Debug InternalNub.mesa_Sep78

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InternalNub.mesa                  2-Sep-78 15:32:14                              Page   1



   InternalNub.mesa;
   Edited by:
              Sandman on May 22, 1978 11:55 AM
              Barbara on July 18, 1978 3:22 PM
              Johnsson on July 18, 1978 2:47 PM
DIRECTORY
  AltoDefs: FROM "altodefs" USING [BYTE, BytesPerPage, PageNumber],
  AltoFileDefs: FROM "altofiledefs" USING [CFP, eofDA, fillinDA, vDA],
  BFSDefs: FROM "bfsdefs" USING [ActOnPages, GetNextOA, MakeCFP],
  BootDefs: fROM "bootdefs" USING [GetSystemTable],
  ControlDefs: FROM "controldefs" USING [
    Controllink, FieldDescriptor, Framellandle, GetReturnFrame, GetReturnlink,
    GlobalFrameHandle, Greg, lreg, NullFrame, SetReturnFrame, SetReturnlink,
    StateVector],
  CoreSwapDefs: FROM "coreswapdefs" USING [
     BBHandle, callDP, DebugParameter, ExternalStateVector, Puntlnfo,
     PuntTable, startDP, SVPointer, SwapReason, UBBPointer, UserBreakBlock],
  DebugData: FROM "debugdata" USING [
     DebuggeeFH, DebuggeeFP, DebuggerFP, SelfFP, userwindow],
  DebugMiscDefs: FROM "debugmiscdefs" USING [
     DebugAbort, Debuglnit, InitializeDebuggerFiles],
  DiskDefs: FROM "diskdefs" USING [DiskRequest, RealDA],
  FrameDefs: FROM "framedafs" USING [lockCode, UnlockCode, UnNew],
  ImageDefs: FROM "imagedefs" USING [
    AbortMesa, AddFileRaquest, FileRequest, StopMesa, UserCleanupProc],
  InternalNubDefs: FROM "internalnubdefs" USING [InternalDebugCommand],
  IODefs: FROM "iodefs" USING [
    CR, Newline, WriteChar, Writeline, WriteOctal, WriteString],
  KeyDefs: FROM "keydefs" USING [Keys],
  loadStateDefs: FROM "loadstatedefs" USING [GetLoadState, SetLoadState],
  MiscDefs: FROM "miscdefs" USING [SetBlock],
  Mopcodes: FROM "mopcodes" USING [zRFS],
  NovaOps: FROM "novaops" USING [NovaJSR],
  NucleusDefs: FROM "nucleusdefs" USING [Wart],
  ProcessDefs: FROM "processdefs" USING [
    Aborted, Disablelnterrupts, EnableInterrupts],
  SDDefs: FROM "sddefs" USING [
     sBreakBlock, sBreakBlockSize, sCallDebugger, sCoreSwap, SO, sFirstFree,
     sInterrupt, sProcessBreakpoint, sUncaughtSignal],
  SegmentDefs: FROM "segmentdefs" USING [
    Append, CopyDataToFileSegment, CopyFileToDataSegment, DataSegmentAddress,
    DataSegmentHandle, DefaultBase, DefaultVersion, DeleteDataSegment,
     DeleteFileSegment, EnumerateFileSegments, FileHandle, FileSegmentHandle,
    GetEndOfFile, GetFileSegmentDA, LockFile, NewDataSegment, NewFile,
     NewFileSegment, Read, ReleaseFile, SetEndOfFile, SetFileAccess,
    SetFileSegmentDA, UnlockFile, Write],
  SystemDefs: FROM "systemdefs" USING [PagesForWords],
  TrapDefs: FROM "trapdefs" USING [ParityError, PhantomParityError],
  WindowDefs: FROM "windowdefs" USING [
    GetCurrentDisplayWindow, SetCurrentDisplayWindow, SetFileForWindow,
    Windowllandle];
bEFINITIONS FROM CoreSwapDefs;
InternalNub: PROGRAM [user: PROGRAM]
  IMPORTS BFSDefs, BootDefs, DDptr: DebugOata, DebligMiscDefs, DiskDefs,
     FrameDefs, ImageDefs, InternalNubDefs, IODefs, LoadStateDefs, MiscDefs,
     NucleusDefs, ProcessDefs, SegmentDefs, SystemDefs, frapDefs, WindowDefs
  EXPORTS CoreSwapDefs, InternalNubDefs
  SHARES BootDefs, SegmentDefs, ControlDefs =
  BEGIN
  FileHandle: TYPE   =   SegmentDefs.FileHandle;
  ProcessBreakpoint: PROCEDURE [s: CoreSwapDefs.SVPointer]   ~
    BEGIN -- called by BRK trap handler in resident code
    inst: AltoDefs.BYTE;
    swap: BOOLEAN;
    [inst, swap] ~ DoBreakpoint[s];
    IF swap THEN
      BEGIN
      FrameOeFs.LockCode[s.dest];
      CoreSwap[breakpoint, s];
      frameDefs.UnlockCode[s.dest];
InternalNub.mesa                     2-Sep-78 15:32:14                                    Page   2


      END
    ELSE s.instbyte   ~   inst;     --replant the instruction and go on
    RETURN
    END;
 DoBreakpoint: PROCEDURE [s: CoreSwapDefs.SVPointerJ
   RETURNS [AltoDefs.BYTE, BOOLEANJ 

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