adds docs

working on widetick

core/src/periph/hm62256/romchip.rs

@@ -1,18 +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 {
-
+use crate::traits::memory_chip::MemoryChip;
+use crate::traits::rom_chip::RomChip;
 
+impl MemoryChip 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> {
+impl RomChip for Hm62256 {
+    fn program(_: &[u8]) -> Box<Self> {
         debug!("Dont program ram.");
         Hm62256::default().into()
     }