DIRECTORY Core, EUUtils; EUInner: CEDAR DEFINITIONS = BEGIN CreateEUInner: PROC [] RETURNS [Core.CellType]; CreateControl: PROC [] RETURNS [Core.CellType]; CreateRamControl: PROC [] RETURNS [Core.CellType]; CreateSCControl: PROC [] RETURNS [Core.CellType]; CreateDPControl: PROC [] RETURNS [Core.CellType]; CreateDataPath: PROC [] RETURNS [Core.CellType]; CreateEURam: PROC [] RETURNS [Core.CellType]; CreateRamTop: PROC RETURNS [cellType: Core.CellType]; -- (naBit, bBit, cBit, ncBit)[0..32)[0..4), nPrech, Vdd, Gnd CreateRamArray: PROC RETURNS [cellType: Core.CellType]; CreateRamMux: PROC RETURNS [cellType: Core.CellType]; CreateRamReadWrite: PROC RETURNS [cellType: Core.CellType]; CreateALU: PROC [] RETURNS [Core.CellType]; Tree: PUBLIC PROC RETURNS [Core.Wire]; CreateFunctionBlock: PUBLIC PROC RETURNS [cellType: Core.CellType]; CreateCarryProp: PUBLIC PROC RETURNS [cellType: Core.CellType]; CreateFieldUnit: PROC [] RETURNS [Core.CellType]; CreateBarrelShifter: PROC RETURNS [cellType: Core.CellType]; CreateMask: PROC RETURNS [cellType: Core.CellType]; CreateCompose: PROC RETURNS [cellType: Core.CellType]; CreateReg: PROC [reg: EUUtils.PipeRange] RETURNS [cellType: Core.CellType]; CreatePDriver: PROC RETURNS [cellType: Core.CellType]; CreateShRegDriver: PROC RETURNS [cellType: Core.CellType]; CreatekRegAndShift: PROC [] RETURNS [Core.CellType]; END. ÔEUInner.mesa Copyright c 1985 by Xerox Corporation. All rights reserved. Louis Monier April 15, 1986 11:32:41 am PST Last Edited by: Louis Monier October 28, 1986 6:20:08 pm PST -- (ramA, ramB, cBus)[0..32), (selA, selB, selC)[0..40), (selALow, selBLow, selCLow)[0..4), Vdd, Gnd, nPrech -- (naBit, bBit, cBit, ncBit)[0..32)[0..4), (selA, selB, selC)[0..nRows), Vdd, Gnd -- (naBit, bBit, cBit, ncBit)[0..4)[0..32), (na, b, c, nc)[0..32), (selALow, selBLow, selCLow)[0..4), Gnd -- (na, b, c, nc, ramA, ramB, cBus)[0..32), Vdd, Gnd -- The order of bits here is the wrong Mesa order, i.e. the high-order bit is 0. However, the carry out was called c32, for the sake of confusion. It is renamed carryOut. -- The "zero" bit out of the ALU is not what you think: it is p0.31 which is obtained at the top of the tree iff a-b=0, i.e. a+~b+1=0, i.e. a+~b=11111...111, i.e a=b. Thus, this bit is meaningful only after a VSub! -- (left, st2A, r2B, cBus, fuOut)[0..32), insert, (mask, shift)[0..6), sh[0..33) -- shOut[0..32), sh[0..33), pass, (left, st2A, r2B, cBus, fuOut)[0..32), Vdd, Gnd -- mask[0..6), shift[0..6), (m1, m2, st2A, r2B, cBus, fuOut)[0..32), Vdd, Gnd, -- Vdd, Gnd, insert, (st2A, r2B, cBus, fuOut, shOut, m1, m2)[0..32) Ên˜šœ™Icodešœ Ïmœ1™