1 files changed, 29 insertions, 0 deletions
diff --git a/src/emu/cpu.h b/src/emu/cpu.h
new file mode 100644
index 0000000..43ccf00
--- /dev/null
+++ b/src/emu/cpu.h
@@ -0,0 +1,29 @@
+#ifndef _CPU_H
+#define _CPU_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+/* cpu traps */
+enum {
+	TRP_UNALIGNED,
+	TRP_DIVBYZERO,
+	TRP_SYSCALL,
+	TRP_ILL,
+};
+
+void trap(int num);
+
+/* program counter */
+extern uint32_t PC;
+
+/* status bits */
+extern bool N, Z;
+
+/* 32 general purpose registers */
+extern uint32_t GPR[32];
+
+/* main cpu execution function */
+void execute(uint32_t IR);
+
+#endif