TODO: reverse, document
Cells: 4
virtex2 REG_L bel PCILOGIC
| Pin | Direction | Wires | 
| FI0 | input | TCELL1:OMUX14 | 
| FI1 | input | TCELL1:OMUX9 | 
| FI2 | input | TCELL2:OMUX1 | 
| FI3 | input | TCELL2:OMUX6 | 
| OUT0 | output | TCELL1:OUT.PCI0 | 
| OUT1 | output | TCELL1:OUT.PCI1 | 
| OUT2 | output | TCELL0:OUT.PCI0 | 
| OUT3 | output | TCELL2:OUT.PCI0 | 
| OUT4 | output | TCELL2:OUT.PCI1 | 
| OUT5 | output | TCELL3:OUT.PCI0 | 
| SI0 | input | TCELL1:DBL.E5.2 | 
| SI1 | input | TCELL1:DBL.E6.2 | 
| SI2 | input | TCELL1:DBL.E7.2 | 
| SI3 | input | TCELL1:DBL.E8.2 | 
| SI4 | input | TCELL1:DBL.E9.2 | 
| SI5 | input | TCELL1:DBL.E0.3 | 
| SI6 | input | TCELL1:DBL.E1.3 | 
| SI7 | input | TCELL2:DBL.E2.2 | 
| SI8 | input | TCELL2:DBL.E3.2 | 
| SI9 | input | TCELL2:DBL.E4.2 | 
 
virtex2 REG_L bel wires
| Wire | Pins | 
| TCELL0:OUT.PCI0 | PCILOGIC.OUT2 | 
| TCELL1:OMUX9 | PCILOGIC.FI1 | 
| TCELL1:OMUX14 | PCILOGIC.FI0 | 
| TCELL1:DBL.E0.3 | PCILOGIC.SI5 | 
| TCELL1:DBL.E1.3 | PCILOGIC.SI6 | 
| TCELL1:DBL.E5.2 | PCILOGIC.SI0 | 
| TCELL1:DBL.E6.2 | PCILOGIC.SI1 | 
| TCELL1:DBL.E7.2 | PCILOGIC.SI2 | 
| TCELL1:DBL.E8.2 | PCILOGIC.SI3 | 
| TCELL1:DBL.E9.2 | PCILOGIC.SI4 | 
| TCELL1:OUT.PCI0 | PCILOGIC.OUT0 | 
| TCELL1:OUT.PCI1 | PCILOGIC.OUT1 | 
| TCELL2:OMUX1 | PCILOGIC.FI2 | 
| TCELL2:OMUX6 | PCILOGIC.FI3 | 
| TCELL2:DBL.E2.2 | PCILOGIC.SI7 | 
| TCELL2:DBL.E3.2 | PCILOGIC.SI8 | 
| TCELL2:DBL.E4.2 | PCILOGIC.SI9 | 
| TCELL2:OUT.PCI0 | PCILOGIC.OUT3 | 
| TCELL2:OUT.PCI1 | PCILOGIC.OUT4 | 
| TCELL3:OUT.PCI0 | PCILOGIC.OUT5 | 
 
Cells: 4
virtex2 REG_R bel PCILOGIC
| Pin | Direction | Wires | 
| FI0 | input | TCELL1:OMUX8 | 
| FI1 | input | TCELL1:OMUX13 | 
| FI2 | input | TCELL2:OMUX2 | 
| FI3 | input | TCELL2:OMUX7 | 
| OUT0 | output | TCELL1:OUT.PCI0 | 
| OUT1 | output | TCELL1:OUT.PCI1 | 
| OUT2 | output | TCELL0:OUT.PCI0 | 
| OUT3 | output | TCELL2:OUT.PCI0 | 
| OUT4 | output | TCELL2:OUT.PCI1 | 
| OUT5 | output | TCELL3:OUT.PCI0 | 
| SI0 | input | TCELL1:DBL.W5.2 | 
| SI1 | input | TCELL1:DBL.W6.2 | 
| SI2 | input | TCELL1:DBL.W7.2 | 
| SI3 | input | TCELL1:DBL.W8.2 | 
| SI4 | input | TCELL1:DBL.W9.2 | 
| SI5 | input | TCELL2:DBL.W0.2 | 
| SI6 | input | TCELL2:DBL.W1.2 | 
| SI7 | input | TCELL2:DBL.W2.2 | 
| SI8 | input | TCELL2:DBL.W3.2 | 
| SI9 | input | TCELL2:DBL.W4.2 | 
 
virtex2 REG_R bel wires
| Wire | Pins | 
| TCELL0:OUT.PCI0 | PCILOGIC.OUT2 | 
| TCELL1:OMUX8 | PCILOGIC.FI0 | 
| TCELL1:OMUX13 | PCILOGIC.FI1 | 
| TCELL1:DBL.W5.2 | PCILOGIC.SI0 | 
| TCELL1:DBL.W6.2 | PCILOGIC.SI1 | 
| TCELL1:DBL.W7.2 | PCILOGIC.SI2 | 
| TCELL1:DBL.W8.2 | PCILOGIC.SI3 | 
| TCELL1:DBL.W9.2 | PCILOGIC.SI4 | 
| TCELL1:OUT.PCI0 | PCILOGIC.OUT0 | 
| TCELL1:OUT.PCI1 | PCILOGIC.OUT1 | 
| TCELL2:OMUX2 | PCILOGIC.FI2 | 
| TCELL2:OMUX7 | PCILOGIC.FI3 | 
| TCELL2:DBL.W0.2 | PCILOGIC.SI5 | 
| TCELL2:DBL.W1.2 | PCILOGIC.SI6 | 
| TCELL2:DBL.W2.2 | PCILOGIC.SI7 | 
| TCELL2:DBL.W3.2 | PCILOGIC.SI8 | 
| TCELL2:DBL.W4.2 | PCILOGIC.SI9 | 
| TCELL2:OUT.PCI0 | PCILOGIC.OUT3 | 
| TCELL2:OUT.PCI1 | PCILOGIC.OUT4 | 
| TCELL3:OUT.PCI0 | PCILOGIC.OUT5 |