eater: Test more signals

1 files changed, 12 insertions, 3 deletions

diff --git a/eater_cpu/eater_computer.sv b/eater_cpu/eater_computer.sv
index 7e49f2b..4985306 100644
--- a/eater_cpu/eater_computer.sv
+++ b/eater_cpu/eater_computer.sv
@@ -48,18 +48,27 @@ eater_register B (
   // .data(bus)
 );
 
-assign bus[3:0] = INS_out[3:0];
+wire [7:0] INS_out_full;
 
 eater_register INS (
   .clk_in(clk_in),
   .en_store_in(bus_to_INS),
   .en_output_in(INS_to_bus),
   .data_in(bus),
-  .bus_out(INS_out),
-  .always_out()
+  .bus_out(),
+  .always_out(INS_out_full)
   // .data(INS_out)
 );
 
+// 4 LSB go from INS to BUS
+wire [7:0] INS_to_bus_interm = {4'b0, INS_out_full[3:0]};
+
+zbuffer INS_to_bus_buffer (
+    .data_in(INS_to_bus_interm),
+    .en_output_in(INS_to_bus),
+    .data_out(bus)
+);
+
 tri [7:0] MEM_ADR_out;
 tri [3:0] RAM_adr_in = MEM_ADR_out[3:0];