o start to do the mmio debug in asm

snes/mmio/debug.c

@@ -27,7 +27,7 @@ void int2hex(unsigned long number, char *buf,word size)
 
 }
 
-void writeln(char *buffer,word y){
+void printDebugScreen(char *buffer,word y){
     char i;
     waitForVBlank();
 	for(i=0; i<32; i++) {
@@ -36,6 +36,11 @@ void writeln(char *buffer,word y){
 	}
 }
 
+void printf(char *buffer){
+	while(*buffer)
+	    *(byte*) 0x3000=*buffer++;
+}
+
 void enableDebugScreen(void){
 	VRAMLoad((word) debugFont_pic, 0x5000, 2048);
 	CGRAMLoad((word) debugFont_pal, (byte) 0x00, (word) 16);