i should implement DSP DMA...

core/broadway.cpp

@@ -16,9 +16,10 @@ broadway::broadway() {
 void broadway::set_pc(ircolib::u32 value) { pc = value; }
 
 void broadway::run(mem &mem) {
-    for (int i = 0; i < 12150000; i++) {
-        // std::println("pc: 0x{:08X}", pc);
-        execute(fetch(mem), mem);
+    std::println("pc: 0x{:08X}", pc);
+    for (int i = 0; i < 1000000; i++) {
+        ircolib::u32 instr = fetch(mem);
+        execute(instr, mem);
     }
 }
 
@@ -58,6 +59,12 @@ void broadway::decode_special2(ircolib::u32 instr, mem &mem) {
     case 0x000:
         cmp(instr);
         break;
+    case 0x008:
+        subfc(instr);
+        break;
+    case 0x00A:
+        addc(instr);
+        break;
     case 0x013:
         mfcr(instr);
         break;
@@ -76,6 +83,12 @@ void broadway::decode_special2(ircolib::u32 instr, mem &mem) {
     case 0x053:
         mfmsr(instr);
         break;
+    case 0x088:
+        subfe(instr);
+        break;
+    case 0x08A:
+        adde(instr);
+        break;
     case 0x090:
         mtcrf(instr);
         break;
@@ -85,12 +98,21 @@ void broadway::decode_special2(ircolib::u32 instr, mem &mem) {
     case 0x097:
         stwx(instr, mem);
         break;
+    case 0x0CA:
+        addze(instr);
+        break;
     case 0x0D2:
         ircolib::warn("broadway TODO mtsr (pc 0x{:08X})", pc - 4);
         break;
     case 0x0EB:
         mullw(instr);
         break;
+    case 0x117:
+        lhzx(instr, mem);
+        break;
+    case 0x173:
+        mftb(instr);
+        break;
     case 0x1BC:
         or (instr);
         break;
@@ -109,6 +131,9 @@ void broadway::decode_special2(ircolib::u32 instr, mem &mem) {
         break;
     case 0x256: // sync
         break;
+    case 0x318:
+        sraw(instr);
+        break;
     default:
         std::println("broadway unknown special2 {} (0x{:04X}) (pc 0x{:08X})", secondary, secondary, pc - 4);
         std::println("disassembly:");
@@ -142,6 +167,9 @@ void broadway::execute(ircolib::u32 instr, mem &mem) {
     case 7:
         mulli(instr);
         break;
+    case 8:
+        subfic(instr);
+        break;
     case 10:
         cmpli(instr);
         break;
@@ -181,6 +209,9 @@ void broadway::execute(ircolib::u32 instr, mem &mem) {
     case 25:
         oris(instr);
         break;
+    case 26:
+        xori(instr);
+        break;
     case 28:
         andi(instr);
         break;
@@ -217,6 +248,9 @@ void broadway::execute(ircolib::u32 instr, mem &mem) {
     case 44:
         sth(instr, mem);
         break;
+    case 45:
+        sthu(instr, mem);
+        break;
     case 50:
         lfd(instr, mem);
         break;