From eecbca86cd51cb993a11180af01ddade4d9f4f1e Mon Sep 17 00:00:00 2001
From: Ryan <>
Date: Wed, 17 Sep 2025 15:39:12 -0500
Subject: [PATCH] Remove deprecated entities

---
 libraries/simulated/is_unstable.vhd   | 24 ------------------------
 libraries/simulated/is_unstable_v.vhd | 24 ------------------------
 libraries/simulated/mt45w8mw16bgx.vhd | 10 +++++-----
 3 files changed, 5 insertions(+), 53 deletions(-)
 delete mode 100644 libraries/simulated/is_unstable.vhd
 delete mode 100644 libraries/simulated/is_unstable_v.vhd

diff --git a/libraries/simulated/is_unstable.vhd b/libraries/simulated/is_unstable.vhd
deleted file mode 100644
index b0e0b58..0000000
--- a/libraries/simulated/is_unstable.vhd
+++ /dev/null
@@ -1,24 +0,0 @@
-library ieee;
-use ieee.std_logic_1164.all;
-
-
-entity is_unstable is
-	generic (
-		T:      time := 0 ns;
-		T_HOLD: time := 0 ns
-	);
-	port (
-		sig_in:  in  std_logic;
-		sig_out: out std_logic
-	);
-end is_unstable;
-
-
-architecture behavioral of is_unstable is
-begin
-
-	sig_out <= '1' when (sig_in'delayed(T_HOLD) /= sig_in'delayed(T)) or
-	                    (sig_in'last_event < T and sig_in'last_event >= T_HOLD)
-	               else '0';
-
-end behavioral;
diff --git a/libraries/simulated/is_unstable_v.vhd b/libraries/simulated/is_unstable_v.vhd
deleted file mode 100644
index 3b447da..0000000
--- a/libraries/simulated/is_unstable_v.vhd
+++ /dev/null
@@ -1,24 +0,0 @@
-library ieee;
-use ieee.std_logic_1164.all;
-
-
-entity is_unstable_v is
-	generic (
-		T:      time := 0 ns;
-		T_HOLD: time := 0 ns
-	);
-	port (
-		sig_in:  in  std_logic_vector;
-		sig_out: out std_logic
-	);
-end is_unstable_v;
-
-
-architecture behavioral of is_unstable_v is
-begin
-
-	sig_out <= '1' when (sig_in'delayed(T_HOLD) /= sig_in'delayed(T)) or
-	                    (sig_in'last_event < T and sig_in'last_event >= T_HOLD)
-	               else '0';
-
-end behavioral;
diff --git a/libraries/simulated/mt45w8mw16bgx.vhd b/libraries/simulated/mt45w8mw16bgx.vhd
index 1d88889..fbcbb9c 100644
--- a/libraries/simulated/mt45w8mw16bgx.vhd
+++ b/libraries/simulated/mt45w8mw16bgx.vhd
@@ -116,15 +116,15 @@ begin
 
 	-- Generate mask for periods of time with invalid data
 	-- FIXME: this may break hold time
-	xm_addr: entity simulated.is_unstable_v generic map (T => T_AA, T_HOLD => T_OH)
+	xm_addr: entity simulated.changed_within_t_vec generic map (T => T_AA, T_HOLD => T_OH)
 		port map (sig_in => a, sig_out => xmask_addr);
-	xm_ce: entity simulated.is_unstable generic map (T => T_CO, T_HOLD => T_HZ)
+	xm_ce: entity simulated.changed_within_t generic map (T => T_CO, T_HOLD => T_HZ)
 		port map (sig_in => ce_n, sig_out => xmask_ce_n);
-	xm_oe: entity simulated.is_unstable generic map (T => T_OE, T_HOLD => T_OHZ)
+	xm_oe: entity simulated.changed_within_t generic map (T => T_OE, T_HOLD => T_OHZ)
 		port map (sig_in => oe_n, sig_out => xmask_oe_n);
-	xm_ub: entity simulated.is_unstable generic map (T => T_BA, T_HOLD => T_BHZ)
+	xm_ub: entity simulated.changed_within_t generic map (T => T_BA, T_HOLD => T_BHZ)
 		port map (sig_in => ub_n, sig_out => xmask_ub_n);
-	xm_lb: entity simulated.is_unstable generic map (T => T_BA, T_HOLD => T_BHZ)
+	xm_lb: entity simulated.changed_within_t generic map (T => T_BA, T_HOLD => T_BHZ)
 		port map (sig_in => lb_n, sig_out => xmask_lb_n);
 	xmask_hi <= xmask_addr or xmask_ce_n or xmask_oe_n or xmask_ub_n;
 	xmask_lo <= xmask_addr or xmask_ce_n or xmask_oe_n or xmask_lb_n;
-- 
2.43.0