URL https://opencores.org/ocsvn/openmsp430/openmsp430/trunk

Subversion Repositories openmsp430

[/] [openmsp430/] [trunk/] [core/] [rtl/] [verilog/] [omsp_alu.v] - Diff between revs 117 and 134

Rev 117	Rev 134
Line 34...	Line 34...
`//`	`//`
`// *Author(s):`	`// *Author(s):`
`// - Olivier Girard, olgirard@gmail.com`	`// - Olivier Girard, olgirard@gmail.com`
`//`	`//`
`//----------------------------------------------------------------------------`	`//----------------------------------------------------------------------------`
`// $Rev: 117 $`	`// $Rev: 134 $`
`// $LastChangedBy: olivier.girard $`	`// $LastChangedBy: olivier.girard $`
`// $LastChangedDate: 2011-06-23 21:30:51 +0200 (Thu, 23 Jun 2011) $`	`// $LastChangedDate: 2012-03-22 21:31:06 +0100 (Thu, 22 Mar 2012) $`
`//----------------------------------------------------------------------------`	`//----------------------------------------------------------------------------`
`ifdef OMSP_NO_INCLUDE	`ifdef OMSP_NO_INCLUDE
`else	`else
`include "openMSP430_defines.v"	`include "openMSP430_defines.v"
`endif	`endif
Line 91...	Line 91...

`function [4:0] bcd_add;`	`function [4:0] bcd_add;`

`input [3:0] X;`	`input [3:0] X;`
`input [3:0] Y;`	`input [3:0] Y;`
`input C;`	`input C_;`

`reg [4:0] Z;`	`reg [4:0] Z_;`
`begin`	`begin`
`Z = {1'b0,X}+{1'b0,Y}+{4'b0,C};`	`Z_ = {1'b0,X}+{1'b0,Y}+{4'b0,C_};`
`if (Z<5'd10) bcd_add = Z;`	`if (Z_<5'd10) bcd_add = Z_;`
`else bcd_add = Z+5'd6;`	`else bcd_add = Z_+5'd6;`
`end`	`end`

`endfunction`	`endfunction`