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|| FILE: #0005.PLD|| PROJ: 20120602|| PART: G26CV12-#0005|||| DEV : GAL26CV12|||| DESC: DECODER MEMORIA||||GAL26CV12||| INPUT| 1:A7, 2:A8, 3:A9, 4:A10, 5:A11, 6:A12, 8:A13, 9:A14, 10:A15,| 11:RES, 12:XE0, 13:XE1, 14:XE2, 28:CLB,|| OUTPUT| 15:IO0, 16:IO1, 17:DHS, 18:SYS, 19:ML, 20:MH, 22:PBE, 23:DB0,| 24:PB0, 25:CX0, 26:CX1, 27:CX2|| ACTIVE-LOW: CX0, CX1, CX2, IO0, IO1||| SIGNATURE: "0005 "|||| BLK0 = (RES & A15' & A14' & A13')| BLK1 = (RES & A15' & A14' & A13)| BLK2 = (RES & A15' & A14 & A13')| BLK3 = (RES & A15' & A14 & A13)| CX0 = (BLK1 & XE0 & CLB')| CX1 = (BLK2 & XE1 & CLB')| CX2 = (BLK3 & XE2 & CLB')|| RAM DBR LOW| BLK1A = ((BLK1 & XE0') # (BLK1 & CLB))| BLK2A = ((BLK2 & XE1') # (BLK2 & CLB))| BLK3A = ((BLK3 & XE2') # (BLK3 & CLB))| ML = (BLK0 # BLK1A # BLK2A # BLK3A)|||| BLK4 => 8000 - BFFF 16K| B4 = (A15 & A14')|| BLK5 => C000 - DFFF 8K| B5 = (A15 & A14 & A13')|| BLK6 => E000 - EFFF 4K| B6 = (A15 & A14 & A13 & A12')|| BLK7 => F000 - F7FF 2K| B7 = (A15 & A14 & A13 & A12 & A11')|| BLK8 => F800 - FBFF 1K| B8 = (A15 & A14 & A13 & A12 & A11 & A10')|| BLK9 => FC00 - FDFF 512B| B9 = (A15 & A14 & A13 & A12 & A11 & A10 & A9')|| BLK91 => FD00 - FDFF 256 B| B91 = (A15 & A14 & A13 & A12 & A11 & A10 & A9' & A8)|| BLK10 => FE00 - FEFF 256B (I/O 1)| B10 = (A15 & A14 & A13 & A12 & A11 & A10 & A9 & A8')|| BLK11 => FF00 - FF7F 128B (I/O 0)| B11 = (A15 & A14 & A13 & A12 & A11 & A10 & A9 & A8 & A7')|| BLK12 => FF80 - FFFF 128B (SYSTEM PBR)| B12 = (A15 & A14 & A13 & A12 & A11 & A10 & A9 & A8 & A7)||| IO0 = (RES & B11)| IO1 = (RES & B10)||| MH = ((B4 # B5 # B6 # B7 # B8 # B9) & RES)||| PBE = ((B4 # B5 # B6 # B7 # B8 # B9 # B12) & RES)|||| SELEZIONE DBR HIGH| X0 = (A15)| X1 = (A15' & A14)| X2 = (A15' & A14' & A13)| X3 = (A15' & A14' & A13' & A12)| X4 = (A15' & A14' & A13' & A12' & A11)| DHS = (X0 # X1 # X2 # X3 # X4)|||| PAGINE COMUNI IN BANCO 0|| P00 => 0080 - 00FF| P00 = (A15' & A14' & A13' & A12' & A11' & A10' & A9' & A8' & A7)|| P01 => 0100 - 01FF| P01 = (A15' & A14' & A13' & A12' & A11' & A10' & A9' & A8)|| P02 => 0200 - 02FF| P02 = (A15' & A14' & A13' & A12' & A11' & A10' & A9 & A8')|| P03 => 0300 - 03FF| P03 = (A15' & A14' & A13' & A12' & A11' & A10' & A9 & A8)|| P04 => 0400 - 03FF| P04 = (A15' & A14' & A13' & A12' & A11' & A10 & A9' & A8')|| P05 => 0500 - 05FF| P05 = (A15' & A14' & A13' & A12' & A11' & A10 & A9' & A8)| CMR = (P00 # P01 # P02 # P03 # P04 # P05)|||| FORZATURA DBR IN BANCO 0| DB0 = (CMR # CLB)|||| FORZATURA PBR IN BANCO 0| PB0 = (B91 # B12 # CLB)| SYS = ((B91 # B12) & RES)