From 15daf2fe9fd13e18609b2141c3346fec6389bda9 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie
Date: Sun, 24 Oct 2021 15:02:31 -0700
Subject: More blinkenlights work.

---
 hdl/top.sv | 112 ++++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 88 insertions(+), 24 deletions(-)

(limited to 'hdl/top.sv')

diff --git a/hdl/top.sv b/hdl/top.sv
index abd6f30..4af7ad4 100644
--- a/hdl/top.sv
+++ b/hdl/top.sv
@@ -12,7 +12,7 @@ module top
 bit clk;
 bit reset;
 
-clock
+clock // 45 MHz
     #(  .MULTIPLY_BY(9)
     ,   .DIVIDE_BY(10)
     ) pll
@@ -24,9 +24,9 @@ clock
 
 bit slowclk;
 bit slowreset;
-clock
+clock // 100 kHz
     #(  .MULTIPLY_BY(1)
-    ,   .DIVIDE_BY(5000)
+    ,   .DIVIDE_BY(500)
     ) slowpll
     (   .native_clk(native_clk)
     ,   .reset_n(reset_n)
@@ -49,34 +49,98 @@ panel fp
     ,   .gpioc(gpioc)
     );
 
-assign led[1] = switch[1];
-assign led[2] = switch[2];
-assign led[3] = switch[3];
-assign led[4] = 0;
-assign led[5] = 0;
-assign led[6] = 0;
-assign led[7] = 0;
-assign led[8] = 0;
+bit [3:1] switch_df;
+bit [3:1] switch_if;
+bit [12:1] switch_sr;
+bit switch_start;
+bit switch_load_add;
+bit switch_dep;
+bit switch_exam;
+bit switch_cont;
+bit switch_stop;
+bit switch_sing_step;
+bit switch_sing_inst;
 
-/*
-wire [7:0] debugchar;
-assign debugchar = "0" + {switch[1][1], switch[1][2], switch[3][1]};
+assign switch_df = switch[2][3:1];
+assign switch_if = switch[2][6:4];
+assign switch_sr = switch[1];
+assign switch_start = switch[3][1];
+assign switch_load_add = switch[3][2];
+assign switch_dep = switch[3][3];
+assign switch_exam = switch[3][4];
+assign switch_cont = switch[3][5];
+assign switch_stop = switch[3][6];
+assign switch_sing_step = switch[3][7];
+assign switch_sing_inst = switch[3][8];
 
-jtag_uart debug
-    (   .clk(slowclk)
-    ,   .reset(slowreset)
+bit [11:0] led_pc;
+bit [11:0] led_memaddr;
+bit [11:0] led_memdata;
+bit [11:0] led_acc;
+bit [11:0] led_mq;
+bit led_and;
+bit led_tad;
+bit led_isz;
+bit led_dca;
+bit led_jms;
+bit led_jmp;
+bit led_iot;
+bit led_opr;
+bit led_fetch;
+bit led_execute;
+bit led_defer;
+bit led_word_count;
+bit led_current_address;
+bit led_break;
+bit led_ion;
+bit led_pause;
+bit led_run;
+bit [4:0] led_step_counter;
+bit [2:0] led_df;
+bit [2:0] led_if;
+bit led_link;
 
-    ,   .rx_ready(0)
-    ,   .tx_valid(1)
-    ,   .tx_data(debugchar)
-    );
-*/
+assign led[1] = {led_pc[0], led_pc[1], led_pc[2], led_pc[3], led_pc[4], led_pc[5], led_pc[6], led_pc[7], led_pc[8], led_pc[9], led_pc[10], led_pc[11]};
+assign led[2] = {led_memaddr[0], led_memaddr[1], led_memaddr[2], led_memaddr[3], led_memaddr[4], led_memaddr[5], led_memaddr[6], led_memaddr[7], led_memaddr[8], led_memaddr[9], led_memaddr[10], led_memaddr[11]};
+assign led[3] = {led_memdata[0], led_memdata[1], led_memdata[2], led_memdata[3], led_memdata[4], led_memdata[5], led_memdata[6], led_memdata[7], led_memdata[8], led_memdata[9], led_memdata[10], led_memdata[11]};
+assign led[4] = {led_acc[0], led_acc[1], led_acc[2], led_acc[3], led_acc[4], led_acc[5], led_acc[6], led_acc[7], led_acc[8], led_acc[9], led_acc[10], led_acc[11]};
+assign led[5] = {led_mq[0], led_mq[1], led_mq[2], led_mq[3], led_mq[4], led_mq[5], led_mq[6], led_mq[7], led_mq[8], led_mq[9], led_mq[10], led_mq[11]};
+assign led[6] = {led_word_count, led_defer, led_execute, led_fetch, led_opr, led_iot, led_jmp, led_jms, led_dca, led_isz, led_tad, led_and};
+assign led[7] = {led_step_counter, led_run, led_pause, led_ion, led_break, led_current_address};
+assign led[8] = {led_link, led_if, led_df};
 
-/*
 core cpu
     (   .clk(clk)
     ,   .reset(reset)
+
+    ,   .switch_cont(switch_cont)
+
+    ,   .led_pc(led_pc)
+    ,   .led_memaddr(led_memaddr)
+    ,   .led_memdata(led_memdata)
+    ,   .led_acc(led_acc)
+    ,   .led_mq(led_mq)
+    ,   .led_and(led_and)
+    ,   .led_tad(led_tad)
+    ,   .led_isz(led_isz)
+    ,   .led_dca(led_dca)
+    ,   .led_jms(led_jms)
+    ,   .led_jmp(led_jmp)
+    ,   .led_iot(led_iot)
+    ,   .led_opr(led_opr)
+    ,   .led_fetch(led_fetch)
+    ,   .led_execute(led_execute)
+    ,   .led_defer(led_defer)
+    ,   .led_word_count(led_word_count)
+    ,   .led_current_address(led_current_address)
+    ,   .led_break(led_break)
+    ,   .led_ion(led_ion)
+    ,   .led_pause(led_pause)
+    ,   .led_run(led_run)
+    ,   .led_step_counter(led_step_counter)
+    ,   .led_df(led_df)
+    ,   .led_if(led_if)
+    ,   .led_link(led_link)
     );
-*/
 
 endmodule
-- 
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