9 Commits

Author	SHA1	Message	Date
Eddie Hung	5fb27c071b	$__ICE40_CARRY_LUT4 -> $__ICE40_FULL_ADDER as per @whitequark	2019-07-15 12:03:51 -07:00
Eddie Hung	fc3d74616f	Combine SB_CARRY+SB_LUT into one $__ICE40_CARRY_LUT4 box	2019-07-12 00:50:42 -07:00
Eddie Hung	63182ed57d	Fix and cleanup ice40 boxes for carry in/out	2019-06-22 14:27:41 -07:00
Eddie Hung	0092770317	Make SB_LUT4 a whitebox, SB_DFF a blackbox (for now)	2019-06-03 12:34:55 -07:00
Eddie Hung	9f44a71715	Consistent with xilinx	2019-06-03 09:23:43 -07:00
Eddie Hung	2776925bcf	Make SB_DFF whitebox	2019-04-19 08:36:38 -07:00
Eddie Hung	ca1eb98a97	Add SB_DFF* to boxes	2019-04-18 17:46:32 -07:00
Eddie Hung	7b6ab937c1	Make SB_LUT4 a blackbox	2019-04-18 09:05:22 -07:00
Eddie Hung	ed5e75ed7d	Rename to abc_*.{box,lut}	2019-04-18 09:02:58 -07:00