eater: Combine counting in prev. state

save 1 cycle, as explained in video.
also, only print lo->hi clk states to term.

1 files changed, 3 insertions, 7 deletions

diff --git a/eater_cpu/eater_decoder.sv b/eater_cpu/eater_decoder.sv
index d2ea9cc..78d4e6c 100644
--- a/eater_cpu/eater_decoder.sv
+++ b/eater_cpu/eater_decoder.sv
@@ -41,11 +41,9 @@ always @(posedge clk_i) begin
 
     INIT: next_state = PC_to_MAR;
 
-    PC_to_MAR: next_state = MEM_to_INS;
+    PC_to_MAR: next_state = MEM_to_INS_and_PC_inc;
 
-    MEM_to_INS: next_state = PC_inc;
-
-    PC_inc: next_state = insdep_state();
+    MEM_to_INS_and_PC_inc: next_state = insdep_state();
 
     LDA_INS_to_MAR: next_state = LDA_MEM_to_A;
     LDA_MEM_to_A: next_state = PC_to_MAR;
@@ -81,11 +79,9 @@ always_comb begin
         internal_flags.PC_out = 1;
         internal_flags.MAR_in = 1;
     end
-    MEM_to_INS: begin
+    MEM_to_INS_and_PC_inc: begin
         internal_flags.RAM_out = 1;
         internal_flags.INS_in = 1;
-    end
-    PC_inc: begin
         internal_flags.PC_count = 1;
     end