Service Manuals, User Guides, Schematic Diagrams or docs for : xerox mesa 3.0_1977 listing KeyDefs.mesa_Oct77

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keydEFS.mESA                      24-0CT-77 18:30:50                                   Page 1


-- File: KeyDefs.Mesa    Modified by: Johnsson, August I, 1977   8:11 AM
KeyDefs: DEFINITIONS = BEGIN
  updown: TYPE   = {down, up}:
 KeyArray: TYPE    = ARRAY   [0 .. 5) OF WORD:
 KeyBits: TYPE = MACHINE DEPENDENT RECORD [
   blank: [0 .. 377B],
   Keysetl,Keyset2,Keyset3,Keyset4,Keyset5: updown,
   Red,Blue,Yellow: updown,
   Five,Four,Six,E,Seven,D,U,V,
   Zero,K,Dash,P,Slash,BackSlash,LF,BS: updown,
   Three,Two,W,Q,S,A,Nine,I,
   X,O,L,Comma,Quote,RightBracket,Spare2,Sparel: updown,
   One,ESC,TAB,F,Ctrl,C,J,B,
   Z,LeftShift,Period,SemiColon,Return,Arrow,DEL,FL3: updown,
   R,T,G,Y,H,Eight,N,M,
   Lock,Space,LeftBracket,Equal,RightShift,Spare3,FL4,FR5: updown]:
 Keys: POINTER TO KeyBits = LOOPHOLE[177033B]:
 MouseButton: TYPE = {RedYellowBlue, RedBlue, RedYellow, Red, BlueYellow, Blue, Yellow, None}:
 MouseBits: TYPE = MACHINE DEPENDENT RECORD [
  blank: [O .. 377B], -- Diablo, Versatec, etc.
  keyset: [0 .. 37B], -- 0 =) down, i.e. normal state is 37B
  buttons: MouseButton]: -- 0=) down, normal is 7B = MouseButton[None]
 Mouse: POINTER TO MouseBits        LOOPHOLE[Keys]:
 KeyName: TYPE = {
   xO, xl, x2, x3, x4, x5, x6, x7,
   Keyset1,Keyset2,Keyset3,Keyset4,Keyset5,
   Red,Blue,Yellow,
   Five,Four,Six,E,Seven,D,U,V,
   Zero,K,Dash,P,Slash,BackSlash,LF,BS,
   Three,Two,W,Q,S,A,Nine,I,
   X,O,L,Comma,Quote,RightBracket,Spare2,Sparel,
   One,ESC,TAB,F,Ctrl,C,J,B,
   Z,LeftShift,Period,SemiColon,Return,Arrow,DEL,FL3,
   R,T,G,Y,H,Eight,N,M,
   Lock,Space,LeftBracket,Equal,RightShift,Spare3,FL4,FR5}:
 -- Alto II names for some keys can be different
 FL1: KeyName = DEL:
 FL2: KeyName = LF:
 BW: KeyName = Sparel:
 FR1: KeyName   Spare3:
 FR2: KeyName   BackSlash:
 FR3: KeyName = Arrow:
 FR4: KeyName = Spare2:
 KeyItem: TYPE = RECORD [
   Le t te,': BOOLEAN,
   ShiftCode: [0 .. 177B],
   NormalCode: [0 .. 377B]]:
 ChangeKey: PROCEDURE [key: KeyName, action: Keyltem] RETURNS [oldAction: KeyItem]:
 END.

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