Massive register overhaul

src/backend/core/registers/Registers.cpp

@@ -30,4 +30,80 @@ void Registers::SetPC32(s32 val) {
   pc = s64(val);
   nextPC = pc + 4;
 }
+
+template <> u64 Registers::Read<u64>(size_t idx) {
+  return idx == 0 ? 0 : gpr[idx];
+}
+
+template <> s64 Registers::Read<s64>(size_t idx) {
+  return s64(Read<u64>(idx));
+}
+
+template <> u32 Registers::Read<u32>(size_t idx) {
+  return idx == 0 ? 0 : gpr[idx];
+}
+
+template <> s32 Registers::Read<s32>(size_t idx) {
+  return s32(Read<u32>(idx));
+}
+
+template <> u16 Registers::Read<u16>(size_t idx) {
+  return idx == 0 ? 0 : gpr[idx];
+}
+
+template <> s16 Registers::Read<s16>(size_t idx) {
+  return s16(Read<u16>(idx));
+}
+
+template <> u8 Registers::Read<u8>(size_t idx) {
+  return idx == 0 ? 0 : gpr[idx];
+}
+
+template <> s8 Registers::Read<s8>(size_t idx) {
+  return s8(Read<u8>(idx));
+}
+
+template <> void Registers::Write<bool>(size_t idx, bool v) {
+  if(idx == 0) return;
+  gpr[idx] = v;
+}
+
+template <> void Registers::Write<u64>(size_t idx, u64 v) {
+  if(idx == 0) return;
+  gpr[idx] = v;
+}
+
+template <> void Registers::Write<s64>(size_t idx, s64 v) {
+  Write<u64>(idx, v);
+}
+
+template <> void Registers::Write<u32>(size_t idx, u32 v) {
+  if(idx == 0) return;
+  gpr[idx] = (u32)v;
+}
+
+template <> void Registers::Write<s32>(size_t idx, s32 v) {
+  if(idx == 0) return;
+  gpr[idx] = v;
+}
+
+template <> void Registers::Write<u16>(size_t idx, u16 v) {
+  if(idx == 0) return;
+  gpr[idx] = (u16)v;
+}
+
+template <> void Registers::Write<s16>(size_t idx, s16 v) {
+  if(idx == 0) return;
+  gpr[idx] = v;
+}
+
+template <> void Registers::Write<u8>(size_t idx, u8 v) {
+  if(idx == 0) return;
+  gpr[idx] = (u8)v;
+}
+
+template <> void Registers::Write<s8>(size_t idx, s8 v) {
+  if(idx == 0) return;
+  gpr[idx] = v;
+}
 }