i need to start caring about carry >.<

2026-05-19 12:26:51 +02:00
parent 8824b6b75a
commit f9ab690ccd
17 changed files with 558 additions and 18 deletions
@@ -0,0 +1,41 @@
+#include <broadway/mmio/exi.hpp>
+#include <mem.hpp>
+#include <ircolib/log.hpp>
+
+namespace weee::core {
+exi::exi(mem &mem) {
+    mem.register_read32_handler(0x0c006800, 0x0c00683f, [&](ircolib::u32 addr) { return read32(addr); });
+    mem.register_write32_handler(0x0c006800, 0x0c00683f,
+                                 [&](ircolib::u32 addr, ircolib::u32 value) { return write32(addr, value); });
+}
+
+ircolib::u32 exi::read32(ircolib::u32 addr) {
+    switch (addr) {
+    case 0:
+        return param0.raw;
+    case 0x14:
+        return param1.raw;
+    case 0x28:
+        return param2.raw;
+    default:
+        ircolib::panic("exi::read32 from unimplemented addr 0x{:08X}", addr);
+        return 0;
+    }
+}
+
+void exi::write32(ircolib::u32 addr, ircolib::u32 value) {
+    switch (addr) {
+    case 0:
+        param0.raw = value;
+        break;
+    case 0x14:
+        param1.raw = value;
+        break;
+    case 0x28:
+        param2.raw = value;
+        break;
+    default:
+        ircolib::panic("exi::write32 to unimplemented addr 0x{:08X} with value 0x{:08X}", addr, value);
+    }
+}
+} // namespace weee::core