o crc checking rom

snes/crc/myEvents.c

@@ -0,0 +1,97 @@
+#include "data.h";
+#include "pad.h";
+#include "event.h";
+
+extern padStatus pad1;
+extern word scrollValue;
+
+char fadeOut(word counter) {
+	static byte fadeOutValue;
+
+	if(counter == 0) {
+		// init fade value
+		fadeOutValue = 0x0f;
+	} else {
+		fadeOutValue--;
+	}
+
+	*(byte*) 0x2100 = fadeOutValue;	
+
+	if(fadeOutValue == 0x00) {
+		return EVENT_STOP;
+	} else { 
+		return EVENT_CONTINUE;
+	}
+}
+
+char fadeIn(word counter) {
+	static byte fadeInValue;
+
+	if(counter == 0) {
+		// init fade value
+		fadeInValue = 0x00;
+	} else {
+		fadeInValue++;
+	}
+
+	*(byte*) 0x2100 = fadeInValue;	
+
+	if(fadeInValue >= 0x0f) {
+		return EVENT_STOP;
+	} else { 
+		return EVENT_CONTINUE;
+	}
+}
+
+char mosaicOut(word counter) {
+	static byte mosaicOutValue;
+
+	if(counter == 0) {
+		// init fade value
+		mosaicOutValue = 0xff;
+	} else {
+		mosaicOutValue -= 0x10;
+	}
+
+	*(byte*) 0x2106 = mosaicOutValue;	
+
+	if(mosaicOutValue == 0x0f) {
+		return EVENT_STOP;
+	} else { 
+		return EVENT_CONTINUE;
+	}
+}
+
+char mosaicIn(word counter) {
+	static byte mosaicInValue;
+
+	if(counter == 0) {
+		// init fade value
+		mosaicInValue = 0x0f;
+	} else {
+		mosaicInValue += 0x10;
+	}
+
+	*(byte*) 0x2106 = mosaicInValue;	
+
+	if(mosaicInValue == 0xff) {
+		return EVENT_STOP;
+	} else { 
+		return EVENT_CONTINUE;
+	}
+}
+
+char NMIReadPad(word counter) {
+	pad1 = readPad((byte) 0);
+
+	return EVENT_CONTINUE;
+}
+
+char scrollLeft(word counter) {
+	scrollValue++;
+
+	*(byte*) 0x210d = (byte) scrollValue;
+	*(byte*) 0x210d = (byte) (scrollValue>>8);
+
+	return EVENT_CONTINUE;
+}