From 1fd8d94e2e8e7cba9d26eb2c24600d96a6c3984f Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Fri, 24 Oct 2025 13:33:10 -0400
Subject: [PATCH] Import further NOPs.

---
 Processors/6502Mk2/Decoder.hpp | 36 ++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/Processors/6502Mk2/Decoder.hpp b/Processors/6502Mk2/Decoder.hpp
index bba0bd58a..a851ef214 100644
--- a/Processors/6502Mk2/Decoder.hpp
+++ b/Processors/6502Mk2/Decoder.hpp
@@ -474,6 +474,15 @@ struct Decoder<model, std::enable_if_t<model == Model::Synertek65C02>> {
 			case 0x64:	return {Zero, Operation::STZ};
 			case 0x9e:	return {AbsoluteIndexed, Operation::STZ};
 
+			case 0x07:	return {Zero, Operation::NOP};
+			case 0x27:	return {Zero, Operation::NOP};
+			case 0x47:	return {Zero, Operation::NOP};
+			case 0x67:	return {Zero, Operation::NOP};
+			case 0x87:	return {Zero, Operation::NOP};
+			case 0xa7:	return {Zero, Operation::NOP};
+			case 0xc7:	return {Zero, Operation::NOP};
+			case 0xe7:	return {Zero, Operation::NOP};
+
 			case 0x89:	return {Immediate, Operation::BITNoNV};
 
 			case 0x0b:	return {Implied, Operation::FastNOP};
@@ -487,6 +496,15 @@ struct Decoder<model, std::enable_if_t<model == Model::Synertek65C02>> {
 
 			case 0x0c:	return {Absolute, Operation::TSB};
 
+			case 0x0f:	return {Absolute, Operation::NOP};
+			case 0x2f:	return {Absolute, Operation::NOP};
+			case 0x4f:	return {Absolute, Operation::NOP};
+			case 0x6f:	return {Absolute, Operation::NOP};
+			case 0x8f:	return {Absolute, Operation::NOP};
+			case 0xaf:	return {Absolute, Operation::NOP};
+			case 0xcf:	return {Absolute, Operation::NOP};
+			case 0xef:	return {Absolute, Operation::NOP};
+
 			case 0x12:	return {Immediate, Operation::NOP};
 			case 0x32:	return {Immediate, Operation::NOP};
 			case 0x52:	return {Immediate, Operation::NOP};
@@ -504,6 +522,15 @@ struct Decoder<model, std::enable_if_t<model == Model::Synertek65C02>> {
 			case 0x34:	return {ZeroIndexed, Operation::BIT};
 			case 0x74:	return {ZeroIndexed, Operation::STZ};
 
+			case 0x17:	return {ZeroIndexed, Operation::NOP};
+			case 0x37:	return {ZeroIndexed, Operation::NOP};
+			case 0x57:	return {ZeroIndexed, Operation::NOP};
+			case 0x77:	return {ZeroIndexed, Operation::NOP};
+			case 0x97:	return {ZeroIndexed, Operation::NOP};
+			case 0xb7:	return {ZeroIndexed, Operation::NOP};
+			case 0xd7:	return {ZeroIndexed, Operation::NOP};
+			case 0xf7:	return {ZeroIndexed, Operation::NOP};
+
 			case 0x1a:	return {Implied, Operation::INA};
 			case 0x3a:	return {Implied, Operation::DEA};
 			case 0x5a:	return {Push, Operation::STY};
@@ -523,6 +550,15 @@ struct Decoder<model, std::enable_if_t<model == Model::Synertek65C02>> {
 			case 0x1c:	return {Absolute, Operation::TRB};
 			case 0x3c:	return {AbsoluteIndexed, Operation::BIT};
 			case 0x9c:	return {Absolute, Operation::STZ};
+
+			case 0x1f:	return {AbsoluteIndexed, Operation::NOP};
+			case 0x3f:	return {AbsoluteIndexed, Operation::NOP};
+			case 0x5f:	return {AbsoluteIndexed, Operation::NOP};
+			case 0x7f:	return {AbsoluteIndexed, Operation::NOP};
+			case 0x9f:	return {AbsoluteIndexed, Operation::NOP};
+			case 0xbf:	return {AbsoluteIndexed, Operation::NOP};
+			case 0xdf:	return {AbsoluteIndexed, Operation::NOP};
+			case 0xff:	return {AbsoluteIndexed, Operation::NOP};
 		}
 	}
 };