1 files changed, 10 insertions, 1 deletions
diff --git a/emu/6502.h b/emu/6502.h
index dac07a1..20574c3 100644
--- a/emu/6502.h
+++ b/emu/6502.h
@@ -15,11 +15,19 @@ typedef struct
 	
 	struct memory_t *memory;
 	
-	bool debug;
+	int debug_flags;
 	
 	int steps;
 } cpu_6502_t;
 
+// debug flags
+enum {
+	DEBUG_STATUS    = 0x01,
+	DEBUG_ZERO_PAGE = 0x02,
+	DEBUG_STACK     = 0x04
+};
+
+// processor state bits
 enum {
 	PS_N = 0x80,
 	PS_V = 0x40,
@@ -30,6 +38,7 @@ enum {
 	PS_C = 0x01
 };
 
+// opcodes
 enum {
 	LDX_IMM  = 0xA2,
 	LDX_ZERO = 0xA6,