getting floating point stuff now

core/broadway.cpp

@@ -31,7 +31,7 @@ ircolib::u32 broadway::fetch(mem &mem) {
 void broadway::decode_special2(ircolib::u32 instr, mem &mem) {
     auto secondary = utils::secondary(instr);
     switch (secondary) {
-    case 0x0D2: // mtsr
+    case 0x0D2:
         ircolib::warn("broadway TODO mtsr (pc 0x{:08X})", pc - 4);
         break;
     case 0x153:
@@ -66,19 +66,19 @@ void broadway::decode_special1(ircolib::u32 instr, mem &mem) {
 
 void broadway::execute(ircolib::u32 instr, mem &mem) {
     switch (utils::primary(instr)) {
-    case 11: // cmpi crfD, L, rA, simm
+    case 11:
         cmpi(instr);
         break;
-    case 14: // addi rd, ra, simm
+    case 14:
         addi(instr);
         break;
-    case 15: // addis rd, ra, simm
+    case 15:
         addis(instr);
         break;
-    case 16: // bcx BO, BI, target
+    case 16:
         bcx(instr);
         break;
-    case 18: // bx  target
+    case 18:
         bx(instr);
         break;
     case 19:
@@ -87,7 +87,7 @@ void broadway::execute(ircolib::u32 instr, mem &mem) {
     case 21:
         rlwinm(instr);
         break;
-    case 24: // ori ra, rs, uimm
+    case 24:
         ori(instr);
         break;
     case 25:
@@ -99,21 +99,24 @@ void broadway::execute(ircolib::u32 instr, mem &mem) {
     case 31:
         decode_special2(instr, mem);
         break;
-    case 32: // lwz rd, d(ra)
+    case 32:
         lwz(instr, mem);
         break;
-    case 33: // lwz rd, d(ra)
+    case 33:
         lwzu(instr, mem);
         break;
-    case 36: // stw rs, d(ra)
+    case 36:
         stw(instr, mem);
         break;
-    case 37: // stwu rs, d(ra)
+    case 37:
         stwu(instr, mem);
         break;
-    case 44: // stwu rs, d(ra)
+    case 44:
         sth(instr, mem);
         break;
+    case 50:
+        lfd(instr, mem);
+        break;
     default:
         std::println("broadway::execute unimplemented instruction 0x{:08X} / 0b{:032b}", instr, instr);
         std::println("disassembly:");