X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=3c_disasm%2Finstr%2Fandx.cpp;fp=3c_disasm%2Finstr%2Fandx.cpp;h=fed223707d6fd4b77978d7ba2c888cb6a249bd6f;hb=f7afa120e8de972b9afb88125fb7dc49fcfccbbe;hp=0000000000000000000000000000000000000000;hpb=815c827247bc211e4785016985666fbfd201f423;p=calu.git

diff --git a/3c_disasm/instr/andx.cpp b/3c_disasm/instr/andx.cpp
new file mode 100644
index 0000000..fed2237
--- /dev/null
+++ b/3c_disasm/instr/andx.cpp
@@ -0,0 +1,84 @@
+#include "../Iinstr.hpp"
+
+
+class Candx : public Iinstr {
+	public:
+		Candx();
+		void evalInstr();
+		void execInstr();
+		std::string toString();
+		Iinstr* getNew();
+};
+
+/**
+ * Name:      create_instruction
+ * Purpose:   if compiled as shared library, this functions creates the 
+              instruction object
+
+ * Returns:   pointer to instruction object
+ */
+extern "C" Iinstr* create_instruction() {
+    return new Candx();
+}
+
+Iinstr* Candx::getNew()
+{
+    return new Candx();
+}
+/**
+ * Name:      destroy_instruction
+ * Purpose:   if compiled as shared library, this functions destoys the 
+              instruction object
+
+ * Parameter: IInstruction - the instruction object to delete
+ */
+extern "C" void destroy_instruction(Iinstr* p) {
+    delete p;
+}
+
+Candx::Candx()
+{
+	opcode = B5(00101);
+	name = "andx";
+}
+
+void Candx::evalInstr()
+{
+	this->m_d = argbits[0];
+	this->m_f = argbits[1];
+	this->m_hl = argbits[2];
+
+	argbits >>= 3;
+	dynamic_bitset<> immb = argbits;
+	immb.resize(16);
+	this->m_imm = this->generate16ImmSign(immb.to_ulong());
+
+	argbits >>= 16;
+	m_rd = this->getRegister(argbits);
+}
+
+void Candx::execInstr()
+{
+	CDat val = this->m_cpu->getRegister(this->m_rd);
+	CDat imm = generate16ImmFill(this->m_imm);
+	val &= imm;
+
+	this->m_cpu->setRegister(this->m_rd, val);
+	if(!this->m_d) {
+		this->m_cpu->updateFlags(val);
+	}
+}
+
+std::string Candx::toString()
+{
+	stringstream op;
+	op << this->getName();
+
+	if(m_hl) op << 'H';
+	if(m_f) op << 'F';
+	if(m_d) op << 'D';
+
+	op << this->getConditionFlag() << " r" << m_rd << ", " << m_imm;
+
+	return op.str();
+}