Full savestating to memory

lib/ram.c

@@ -1,10 +1,5 @@
 #include <ram.h>
 
-typedef struct {
-    u8 wram[0x2000];
-    u8 hram[0x80];
-} ram_context;
-
 static ram_context ctx;
 
 u8 wram_read(u16 address) {
@@ -27,4 +22,12 @@ u8 hram_read(u16 address){
 void hram_write(u16 address, u8 value){
     address -= 0xFF80;
     ctx.hram[address] = value;
+}
+
+void ram_save_state(ram_state* state) {
+    state->ctx = ctx;
+}
+
+void ram_load_state(const ram_state* state) {
+    ctx = state->ctx;
 }