# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1708758560 28800
# Node ID f9d5c137c74b93f89bc34d6278c97a9ca7100056
# Parent  679c317680130ca714570e4b71798a752eeb9141
Implement neg and not instructions in new 68K core

diff -r 679c31768013 -r f9d5c137c74b m68k.cpu
--- a/m68k.cpu	Fri Feb 23 23:09:07 2024 -0800
+++ b/m68k.cpu	Fri Feb 23 23:09:20 2024 -0800
@@ -1256,6 +1256,11 @@
 	m68k_fetch_dst_ea M R Z
 	sbc dst 0 dst Z
 	update_flags XNZVC
+	if Z = 2
+		if M = 0
+			cycles 2
+		end
+	end
 	m68k_save_dst Z
 	m68k_prefetch
 
@@ -1663,6 +1668,48 @@
 	ocall write_8
 	m68k_prefetch
 
+01000100ZZMMMRRR neg
+	invalid Z 3
+	invalid M 1
+	invalid M 7 R 2
+	invalid M 7 R 3
+	invalid M 7 R 4
+	invalid M 7 R 5
+	invalid M 7 R 6
+	invalid M 7 R 7
+	
+	m68k_fetch_dst_ea M R Z
+	dst:Z = -dst
+	update_flags XNZVC
+	if Z = 2
+		if M = 0
+			cycles 2
+		end
+	end
+	m68k_save_dst Z
+	m68k_prefetch
+
+01000110ZZMMMRRR not
+	invalid Z 3
+	invalid M 1
+	invalid M 7 R 2
+	invalid M 7 R 3
+	invalid M 7 R 4
+	invalid M 7 R 5
+	invalid M 7 R 6
+	invalid M 7 R 7
+	
+	m68k_fetch_dst_ea M R Z
+	dst:Z = ~dst
+	update_flags NZV0C0
+	if Z = 2
+		if M = 0
+			cycles 2
+		end
+	end
+	m68k_save_dst Z
+	m68k_prefetch
+
 0100111001110000 reset
 	if reset_handler
 	pcall reset_handler m68k_reset_handler context