closer to ticking.

has microsteps in the UI
decodes from a NOP only binary
some basic instructions are starting to move data around

core/src/periph/at28c256.rs

@@ -1,4 +1,4 @@
-use crate::mos6502cpu::{SIZE_32KB};
+use crate::constants::constants_system::SIZE_32KB;
 use crate::periph::rom_chip::RomChip;
 
 /// At28C256

core/src/periph/hm62256.rs

@@ -1,7 +1,7 @@
 // HM62256 Static Ram
 
 use log::debug;
-use crate::mos6502cpu::SIZE_32KB;
+use crate::constants::constants_system::SIZE_32KB;
 use crate::periph::ram_chip::RamChip;
 use crate::periph::rom_chip::RomChip;
 

core/src/periph/rom_chip.rs

@@ -1,4 +1,4 @@
-use crate::mos6502cpu::SIZE_32KB;
+use crate::constants::constants_system::SIZE_32KB;
 
 pub trait RomChip {
     /// Read