Implement decode of branch instructions

1 files changed, 16 insertions, 0 deletions

diff --git a/rtl/core/decode/branch.sv b/rtl/core/decode/branch.sv
new file mode 100644
index 0000000..97e62b5
--- /dev/null
+++ b/rtl/core/decode/branch.sv
@@ -0,0 +1,16 @@
+`include "core/isa.sv"
+
+module core_decode_branch
+(
+	input  logic[31:0] insn,
+	output logic       link,
+	output logic[29:0] offset
+);
+
+	logic[23:0] immediate;
+	assign immediate = insn `FIELD_B_OFFSET;
+
+	assign link = insn `FIELD_B_L;
+	assign offset = {{6{immediate[23]}}, immediate};
+
+endmodule