#include static serial_context ctx; serial_context *serial_get_context() { return &ctx; }; void serial_init() { ctx.serial_control = 0x7E; ctx.serial_data = 0; } void serial_write(u16 address, u8 value) { if(address == 0xFF01) { ctx.serial_data = value; return; } if(address == 0xFF02) { ctx.serial_control = value; return; } } u8 serial_read(u16 address) { if(address == 0xFF01) { return ctx.serial_data; } if(address == 0xFF02) { return ctx.serial_control; } }