Initial Commit

z_gbdk_playground_original/save_ram/Makefile

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+AS = lcc -c
+CC = lcc -Wa-l -Wl-m -Wl-yt3 -Wl-yo4 -Wl-ya4
+
+BIN = save_ram.gb
+OBJS = save_ram.o
+
+all: $(BIN)
+
+%.s: %.ms
+	maccer -o $@ $<
+
+$(BIN): $(OBJS)
+	$(CC) -o $(BIN) $(OBJS)
+
+clean:
+	rm -rf $(BIN) $(OBJS) *~

z_gbdk_playground_original/save_ram/README.md

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+# Save RAM
+
+![](screenshot.png)
+
+Demonstrates how to load and save variables. Using Save RAM requires additional compiler arguments.

z_gbdk_playground_original/save_ram/save_ram.c

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+#include <stdio.h>
+#include <gb/gb.h>
+
+char *saved = (char *)0xa000; // Pointer to memory address
+int *num = (int *)0xa001;
+
+void main()
+
+{
+	ENABLE_RAM_MBC1; // Enable RAM
+
+	if (saved[0] != 's') { // Check to see if the variable's ever been saved before
+		num[0]=0; // Assign the variable an initial value
+		saved[0] = 's'; // Assign saved an 's' value so the if statement isn't executed on next load
+	}
+
+	printf("The value of num is: %d\n", num[0]);
+
+	num[0]++; // Increment so on next load there's a new number
+
+	DISABLE_RAM_MBC1; // Disable RAM
+}