1 files changed, 44 insertions, 0 deletions
diff --git a/src/debug.h b/src/debug.h
new file mode 100644
index 0000000..06d4733
--- /dev/null
+++ b/src/debug.h
@@ -0,0 +1,44 @@
+// debug.h
+// Various functions useful for use during development.
+
+//	Converts a single character to hexadecimal
+int dCharToNum(char c){
+	// 0x0 - 0x9
+	if (c != 0x20 && (c >= 0x30 && c <= 0x39)){
+		return (c - 0x30);
+	}
+	// 0xA - 0xF
+	else if (c != 0x20 && (c >= 0x41 && c <= 0x46)){
+		return (c - 0x37);
+	// 0xa - 0xf
+	}else if (c != 0x20 && (c >= 0x61 && c <= 0x66)){
+		return (c - 0x57);
+	// Invalid
+	}else{
+		return -1;
+	}
+}
+
+//	Dump page m from memory to stdout.
+void dPageDump(short m){
+	m <<= 8;
+	for(int i = 0; i < 256; i+=16){
+		printf("\t");
+		for(int j = 0; j < 16; j+=1){
+			printf("%02x ", Memory[(m+(i+j))]);
+		}
+		printf("\n");
+	}
+}
+
+//	Dump CPU values
+void dStatusDump(void){
+printf("\
+\t..acc:\t%x\tcycles:\t%d\n\
+\t....X:\t%x\tlength:\t%d\n\
+\t....Y:\t%x\t...add:\t%x\n\
+\tstack:\t%x\t.value:\t%x\n\
+\tflags:\t%x\n\
+\n\
+", acc, idata.cycles, X, idata.length, Y, idata.add, S, idata.value, P);
+}