hey look, more crap

no MrRean this doesn't run NSMB yet

1 files changed, 50 insertions, 0 deletions

diff --git a/ARM.cpp b/ARM.cpp
new file mode 100644
index 0000000..47d5ec9
--- /dev/null
+++ b/ARM.cpp
@@ -0,0 +1,50 @@
+#include "ARM.h"
+#include "NDS.h"
+
+
+ARM::ARM(u32 num)
+{
+    // well uh
+    Num = num;
+
+    for (int i = 0; i < 16; i++)
+        R[i] = 0;
+
+    ExceptionBase = num ? 0x00000000 : 0xFFFF0000;
+
+    // zorp
+    JumpTo(ExceptionBase);
+}
+
+ARM::~ARM()
+{
+    // dorp
+}
+
+void ARM::JumpTo(u32 addr)
+{
+    // pipeline shit
+
+    // TODO: THUMB!!
+
+    NextInstr = Read32(addr);
+    R[15] = addr+4;
+}
+
+s32 ARM::Execute(s32 cycles)
+{
+    while (cycles > 0)
+    {
+        // TODO THUM SHIT ASGAFDGSUHAJISGFYAUISAGY
+
+        // prefetch
+        CurInstr = NextInstr;
+        NextInstr = Read32(R[15]);
+        R[15] += 4;
+
+        // actually execute
+        // er...
+    }
+
+    return cycles;
+}