chore: added step_to operation

src/gb.rs

@@ -499,6 +499,17 @@ impl GameBoy {
         cycles
     }
 
+    pub fn step_to(&mut self, addr: u16) -> u32 {
+        let mut cycles = 0u32;
+        loop {
+            cycles += self.clock() as u32;
+            if self.cpu_i().pc() == addr {
+                break;
+            }
+        }
+        cycles
+    }
+
     pub fn key_press(&mut self, key: PadKey) {
         self.pad().key_press(key);
     }

src/py.rs

@@ -76,6 +76,10 @@ impl GameBoy {
         self.system.next_frame()
     }
 
+    pub fn step_to(&mut self, addr: u16) -> u32 {
+        self.system.step_to(addr)
+    }
+
     pub fn key_press(&mut self, key: u8) {
         self.system.key_press(PadKey::from_u8(key))
     }

src/python/boytacean/boytacean.pyi

@@ -19,6 +19,7 @@ class GameBoy:
     def clock_m(self, count: int) -> int: ...
     def clocks(self, count: int) -> int: ...
     def next_frame(self) -> int: ...
+    def step_to(self, addr: int) -> int: ...
     def key_press(self, key: int): ...
     def key_lift(self, key: int): ...
     def frame_buffer(self) -> bytes: ...

src/python/boytacean/gb.py

@@ -110,6 +110,9 @@ This is a [Game Boy](https://en.wikipedia.org/wiki/Game_Boy) emulator built usin
         self._on_next_frame()
         return cycles
 
+    def step_to(self, addr: int) -> int:
+        return self._system.step_to(addr)
+
     def skip_frames(self, count: int) -> int:
         cycles = 0
         for _ in range(count):