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);

snes/mmio/debug.h

@@ -1,5 +1,6 @@
 void initDebugMap(void);
 void debug(void);
 void int2hex(unsigned long i, char *buf,word size);
-void writeln(char* line,word y);
-void enableDebugScreen(void);
+void printDebugScreen(char* line,word y);
+void enableDebugScreen(void);
+void printf(char* line);

snes/mmio/main.c

@@ -29,7 +29,7 @@ void main(void) {
 	word crc01;
 	word crc02;
 	padStatus pad1;
-	char line_header[32] = "OK";
+	char line_header[32] = "OK2";
 	char packet[4] = "TEST";
 	initInternalRegisters();
 
@@ -39,13 +39,10 @@ void main(void) {
 	*(byte*) 0x2100 = 0x0f; // enable background
 
     enableDebugScreen();
-    writeln(line_header,0);
-
-    for (i=0;i<4;i++){
-        *(byte*) 0x3000=packet[i];
-        *(byte*) 0x700010=packet[i];
-    }
-    //writeln(line_header,1);
+    printDebugScreen(line_header,0);
+    printf("Debugging console  test\n");
+    printf("test me\n");
+    printDebugScreen(line_header,1);
     
 	while(1){
 		while(!pad1.start) {