From 9cf92379d5fcf0076c25dae0935daab446c992cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Wed, 30 Aug 2017 21:37:53 +0200
Subject: Initial commit

Adding work done so far.
---
 qtmips_machine/instruction.cpp | 81 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 qtmips_machine/instruction.cpp

(limited to 'qtmips_machine/instruction.cpp')

diff --git a/qtmips_machine/instruction.cpp b/qtmips_machine/instruction.cpp
new file mode 100644
index 0000000..159d443
--- /dev/null
+++ b/qtmips_machine/instruction.cpp
@@ -0,0 +1,81 @@
+#include "instruction.h"
+#include <sstream>
+#include <iostream>
+
+InstructionR::InstructionR(std::uint8_t rs, std::uint8_t rd, std::uint8_t rt, std::uint8_t sa) {
+    this->rs = rs;
+    this->rd = rd;
+    this->rt = rt;
+    this->sa = sa;
+}
+
+// TODO for registers output as register ($0)!
+
+std::vector<std::string> InstructionR::to_strs() {
+    std::vector<std::string> str;
+    // Instruction name
+    str.push_back("unknown"); // unknown instruction, should be replaced by child
+
+    std::stringstream ss;
+    // Source register
+    ss << std::hex << (unsigned) this->rs;
+    str.push_back(ss.str());
+    ss.str("");
+    // Target register
+    ss << std::hex << (unsigned) this->rt;
+    str.push_back(ss.str());
+    ss.str("");
+    // Destination register
+    ss << std::hex << (unsigned) this->rd;
+    str.push_back(ss.str());
+    ss.str("");
+    // Shift amount
+    ss << std::hex << (unsigned) this->sa;
+    str.push_back(ss.str());
+
+    return str;
+}
+
+InstructionI::InstructionI(std::uint8_t rs, std::uint8_t rt, std::uint16_t immediate) {
+    this->rs = rs;
+    this->rt = rt;
+    this->immediage = immediate;
+}
+
+std::vector<std::string> InstructionI::to_strs() {
+    std::vector<std::string> str;
+    // Instruction name
+    str.push_back("unknown"); // unknown instruction, should be replaced by child
+
+    std::stringstream ss;
+    // Source register
+    ss << std::hex << (unsigned) this->rs;
+    str.push_back(ss.str());
+    ss.str("");
+    // Destination register
+    ss << std::hex << (unsigned) this->rt;
+    str.push_back(ss.str());
+    ss.str("");
+    // Immediate value
+    ss << std::hex << (unsigned) this->immediage;
+    str.push_back(ss.str());
+
+    return str;
+}
+
+InstructionJ::InstructionJ(std::uint32_t address) {
+    this->address = address;
+}
+
+std::vector<std::string> InstructionJ::to_strs() {
+    std::vector<std::string> str;
+    // Instruction name
+    str.push_back("unknown"); // unknown instruction, should be replaced by child
+
+    std::stringstream ss;
+    // Source register
+    ss << std::hex << (unsigned) this->address;
+    str.push_back(ss.str());
+
+    return str;
+}
-- 
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