return psw;
}
+void CCpu::setFlags(CDat psw) {
+ this->m_Z = ((psw & 0x1) != 0);
+ this->m_O = ((psw & 0x2) != 0);
+ this->m_C = ((psw & 0x4) != 0);
+ this->m_S = ((psw & 0x8) != 0);
+}
+
void CCpu::updateFlags(CDat val) {
this->m_Z = (val == 0);
this->m_S = ((val >> (BIT_LEN-1)) & 0x1);
void setNextPC(CDat);
CDat getFlags() const;
+ void setFlags(CDat);
/* will only change zero and sign */
void updateFlags(CDat);
/* will change all flags */
--- /dev/null
+#include "../Iinstr.hpp"
+
+class Cmovf : public Iinstr {
+ private:
+ bool m_type;
+ public:
+ Cmovf();
+ 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 Cmovf();
+}
+
+Iinstr* Cmovf::getNew() {
+ return new Cmovf();
+}
+
+/**
+ * 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;
+}
+
+Cmovf::Cmovf() : m_type(0)
+{
+ opcode = B5(01100);
+ name = "movf";
+}
+
+void Cmovf::evalInstr()
+{
+ this->m_type = argbits[18];
+ if(this->m_type) {
+ name = "movpf";
+ }
+ else {
+ name = "movsf";
+ }
+
+ argbits >>= 19;
+ m_rd = this->getRegister(argbits);
+}
+
+void Cmovf::execInstr()
+{
+ //cout << "should exec " << this->toString() << endl;
+ CDat val;
+ if(this->m_type) {
+ val = this->m_cpu->getFlags();
+ }
+ else {
+ val = this->m_cpu->getStack();
+ }
+ this->m_cpu->setRegister(this->m_rd, val);
+}
+
+std::string Cmovf::toString()
+{
+ stringstream op;
+ op << this->getName();
+ op << " r" << m_rd;
+ return op.str();
+}
--- /dev/null
+#include "../Iinstr.hpp"
+
+class Cmovt : public Iinstr {
+ private:
+ bool m_type;
+ public:
+ Cmovt();
+ 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 Cmovt();
+}
+
+Iinstr* Cmovt::getNew() {
+ return new Cmovt();
+}
+
+/**
+ * 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;
+}
+
+Cmovt::Cmovt() : m_type(0)
+{
+ opcode = B5(01101);
+ name = "movt";
+}
+
+void Cmovt::evalInstr()
+{
+ this->m_type = argbits[18];
+ if(this->m_type) {
+ name = "movpt";
+ }
+ else {
+ name = "movst";
+ }
+
+ argbits >>= 19;
+ m_rd = this->getRegister(argbits);
+}
+
+void Cmovt::execInstr()
+{
+ //cout << "should exec " << this->toString() << endl;
+ CDat val = this->m_cpu->getRegister(this->m_rd);
+ if(this->m_type) {
+ this->m_cpu->setFlags(val);
+ }
+ else {
+ this->m_cpu->setStack(val);
+ }
+}
+
+std::string Cmovt::toString()
+{
+ stringstream op;
+ op << this->getName();
+ op << " r" << m_rd;
+ return op.str();
+}