# Spartan 6 block RAM rules.

bram $__XILINX_RAMB8BWER_SDP
  init 1
  abits 8
  dbits 36
  groups 2
  ports  1 1
  wrmode 0 1
  enable 1 4
  transp 0 0
  clocks 2 3
  clkpol 2 3
endbram

bram $__XILINX_RAMB16BWER_TDP
  init 1
  abits  9     @a9d36
  dbits 36     @a9d36
  abits 10     @a10d18
  dbits 18     @a10d18
  abits 11     @a11d9
  dbits  9     @a11d9
  abits 12     @a12d4
  dbits  4     @a12d4
  abits 13     @a13d2
  dbits  2     @a13d2
  abits 14     @a14d1
  dbits  1     @a14d1
  groups 2
  ports  1 1
  wrmode 0 1
  enable 1 4   @a9d36
  enable 1 2   @a10d18
  enable 1 1   @a11d9 @a12d4 @a13d2 @a14d1
  transp 0 0
  clocks 2 3
  clkpol 2 3
endbram

bram $__XILINX_RAMB8BWER_TDP
  init 1
  abits  9     @a9d18
  dbits 18     @a9d18
  abits 10     @a10d9
  dbits  9     @a10d9
  abits 11     @a11d4
  dbits  4     @a11d4
  abits 12     @a12d2
  dbits  2     @a12d2
  abits 13     @a13d1
  dbits  1     @a13d1
  groups 2
  ports  1 1
  wrmode 0 1
  enable 1 2   @a9d18
  enable 1 1   @a10d9 @a11d4 @a12d2 @a13d1
  transp 0 0
  clocks 2 3
  clkpol 2 3
endbram

match $__XILINX_RAMB8BWER_SDP
  min bits 4096
  min efficiency 5
  shuffle_enable B
  make_transp
  or_next_if_better
endmatch

match $__XILINX_RAMB16BWER_TDP
  min bits 4096
  min efficiency 5
  shuffle_enable B
  make_transp
  or_next_if_better
endmatch

match $__XILINX_RAMB8BWER_TDP
  min bits 4096
  min efficiency 5
  shuffle_enable B
  make_transp
endmatch

