Lots of stuff.

core/src/periph/hm62256/romchip.rs

@@ -0,0 +1,19 @@
+use log::debug;
+use crate::constants::constants_system::SIZE_32KB;
+use crate::periph::hm62256::Hm62256;
+use crate::periph::rom_chip::RomChip;
+
+impl RomChip for Hm62256 {
+
+
+    fn read(&self, offset: &u16) -> u8 {
+        // loops memory around past 32k
+        let effective = *offset as i32 % SIZE_32KB as i32;
+        self.data[effective as usize]
+    }
+
+    fn program(_: &[u8; SIZE_32KB]) -> Box<Self> {
+        debug!("Dont program ram.");
+        Hm62256::default().into()
+    }
+}