Initial commit

Adding work done so far.

1 files changed, 87 insertions, 0 deletions

diff --git a/qtmips_machine/instructions/arithmetic.cpp b/qtmips_machine/instructions/arithmetic.cpp
new file mode 100644
index 0000000..8c8f40e
--- /dev/null
+++ b/qtmips_machine/instructions/arithmetic.cpp
@@ -0,0 +1,87 @@
+#include "instructions/arithmetic.h"
+#include <iostream>
+
+InstructionArithmetic::InstructionArithmetic(enum InstructionArithmeticT type, std::uint8_t rs, std::uint8_t rd, std::uint8_t rt)
+    : InstructionR(rs, rd, rt, 0) {
+    this->type = type;
+}
+
+std::vector<std::string> InstructionArithmetic::to_strs() {
+    std::vector<std::string> str = this->InstructionR::to_strs();
+    str.erase(str.begin() + 4); // Drop sa field
+    switch (this->type) {
+    case IAT_ADD:
+        str[0] = "add";
+        break;
+    case IAT_ADDU:
+        str[0] = "addu";
+        break;
+    case IAT_SUB:
+        str[0] = "sub";
+        break;
+    case IAT_SUBU:
+        str[0] = "subu";
+        break;
+    case IAT_AND:
+        str[0] = "and";
+        break;
+    case IAT_OR:
+        str[0] = "or";
+        break;
+    case IAT_XOR:
+        str[0] = "xor";
+        break;
+    case IAT_NOR:
+        str[0] = "nor";
+        break;
+    case IAT_SLT:
+        str[0] = "slt";
+        break;
+    case IAT_SLTU:
+        str[0] = "sltu";
+        break;
+    default:
+        // TODO different exception
+        throw std::exception();
+    }
+    return str;
+}
+
+InstructionArithmeticImmediate::InstructionArithmeticImmediate(enum InstructionArithmeticImmediateT type, std::uint8_t rs, std::uint8_t rt, std::uint16_t value)
+    : InstructionI(rs, rt, value) {
+    this->type = type;
+}
+
+std::vector<std::string> InstructionArithmeticImmediate::to_strs() {
+    std::vector<std::string> str = this->InstructionI::to_strs();
+    switch (this->type) {
+    case IAT_ADDI:
+        str[0] = "addi";
+        break;
+    case IAT_ADDIU:
+        str[0] = "addiu";
+        break;
+    case IAT_ANDI:
+        str[0] = "andi";
+        break;
+    case IAT_ORI:
+        str[0] = "ori";
+        break;
+    case IAT_XORI:
+        str[0] = "xori";
+        break;
+    case IAT_SLTI:
+        str[0] = "slti";
+        break;
+    case IAT_SLTIU:
+        str[0] = "sltiu";
+        break;
+    case IAT_LUI:
+        str[0] = "lu";
+        break;
+    default:
+        // TODO different exception
+        throw std::exception();
+    }
+    return str;
+}