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Diffstat (limited to 'techlibs/ice40/abc_u.box')
| -rw-r--r-- | techlibs/ice40/abc_u.box | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/techlibs/ice40/abc_u.box b/techlibs/ice40/abc_u.box new file mode 100644 index 000000000..f00e247b8 --- /dev/null +++ b/techlibs/ice40/abc_u.box @@ -0,0 +1,13 @@ +# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_up5k.txt + +# NB: Inputs/Outputs must be ordered alphabetically +# (with exceptions for carry in/out) + +# Inputs: A B I0 I3 CI +# Outputs: O CO +# (NB: carry chain input/output must be last +# input/output and have been moved there +# overriding the alphabetical ordering) +$__ICE40_CARRY_WRAPPER 1 1 5 2 +1231 1205 1285 874 874 +675 609 - - 278 |