Move IO code to a separate file and do a tiny bit of refactoring

1 files changed, 29 insertions, 0 deletions

diff --git a/io.h b/io.h
new file mode 100644
index 0000000..65b81b2
--- /dev/null
+++ b/io.h
@@ -0,0 +1,29 @@
+#ifndef IO_H_
+#define IO_H_
+#include <stdint.h>
+
+typedef struct {
+	uint32_t th_counter;
+	uint32_t timeout_cycle;
+	uint8_t output;
+	uint8_t control;
+	uint8_t input[3];
+} io_port;
+
+#define GAMEPAD_TH0 0
+#define GAMEPAD_TH1 1
+#define GAMEPAD_EXTRA 2
+#define GAMEPAD_NONE 0xF
+
+void set_keybindings();
+void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
+void io_data_write(io_port * pad, uint8_t value, uint32_t current_cycle);
+uint8_t io_data_read(io_port * pad, uint32_t current_cycle);
+void handle_keydown(int keycode);
+void handle_keyup(int keycode);
+void handle_joydown(int joystick, int button);
+void handle_joyup(int joystick, int button);
+void handle_joy_dpad(int joystick, int dpad, uint8_t state);
+
+#endif //IO_H_
+