URL https://opencores.org/ocsvn/raptor64/raptor64/trunk

Subversion Repositories raptor64

[/] [raptor64/] [trunk/] [rtl/] [verilog/] [Raptor64Div.v] - Diff between revs 3 and 44

Rev 3	Rev 44
Line 22...	Line 22...
`// ============================================================================`	`// ============================================================================`
`//`	`//`
`module Raptor64Div(rst, clk, ld, sgn, isDivi, a, b, imm, qo, ro, dvByZr, done);`	`module Raptor64Div(rst, clk, ld, sgn, isDivi, a, b, imm, qo, ro, dvByZr, done);`
`parameter DIV=3'd3;`	`parameter DIV=3'd3;`
`parameter IDLE=3'd4;`	`parameter IDLE=3'd4;`
`parameter DONE=4'd5;`	`parameter DONE=3'd5;`
`input clk;`	`input clk;`
`input rst;`	`input rst;`
`input ld;`	`input ld;`
`input sgn;`	`input sgn;`
`input isDivi;`	`input isDivi;`
Line 59...	Line 59...
`bb <= 64'd0;`	`bb <= 64'd0;`
`q <= 64'd0;`	`q <= 64'd0;`
`r <= 64'd0;`	`r <= 64'd0;`
`qo <= 64'd0;`	`qo <= 64'd0;`
`ro <= 64'd0;`	`ro <= 64'd0;`
	`cnt <= 8'd0;`
`state <= IDLE;`	`state <= IDLE;`
`end`	`end`
`else`	`else`
`begin`	`begin`
`if (!cnt_done)`	`if (!cnt_done)`
Line 78...	Line 79...
`end`	`end`
`else begin`	`else begin`
`q <= a;`	`q <= a;`
`bb <= isDivi ? imm : b;`	`bb <= isDivi ? imm : b;`
`so <= 1'b0;`	`so <= 1'b0;`
	`$display("bb=%d", isDivi ? imm : b);`
`end`	`end`
`dvByZr <= isDivi ? imm==64'd0 : b==64'd0;`	`dvByZr <= isDivi ? imm==64'd0 : b==64'd0;`
`r <= 64'd0;`	`r <= 64'd0;`
`cnt <= 8'd65;`	`cnt <= 8'd65;`
`state <= DIV;`	`state <= DIV;`