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use rustv::isa;
use rustv::memory::{Memory, MemoryInterface, Result};
pub struct MemoryTracker {
memory: Memory,
program1_byte: u8,
program2_byte: u8,
program1: i64,
program2: i64,
}
impl MemoryTracker {
pub fn new(memory: Memory, program1: u8, program2: u8) -> MemoryTracker {
MemoryTracker {
memory: memory,
program1_byte: program1,
program2_byte: program2,
program1: 0,
program2: 0,
}
}
pub fn score(&self) -> (i64, i64) {
(self.program1, self.program2)
}
}
impl MemoryInterface for MemoryTracker {
fn latency(&self) -> u32 {
self.memory.latency()
}
fn step(&mut self) {
self.memory.step();
}
fn is_address_accessible(&self, address: isa::Address) -> bool {
self.memory.is_address_accessible(address)
}
fn read_word(&mut self, address: isa::Address) -> Result<isa::Word> {
self.memory.read_word(address)
}
fn write_word(&mut self, address: isa::Address, value: isa::Word) -> Result<()> {
let original = self.memory.read_word(address);
let result = self.memory.write_word(address, value);
if let Ok(original) = original {
if let Ok(()) = result {
let p1b = self.program1_byte as u32;
let mut p1orig = 0;
let mut p1new = 0;
if original & 0xFF == p1b { p1orig += 1; }
if (original >> 8) & 0xFF == p1b { p1orig += 1; }
if (original >> 16) & 0xFF == p1b { p1orig += 1; }
if (original >> 24) & 0xFF == p1b { p1orig += 1; }
if value & 0xFF == p1b { p1new += 1; }
if (value >> 8) & 0xFF == p1b { p1new += 1; }
if (value >> 16) & 0xFF == p1b { p1new += 1; }
if (value >> 24) & 0xFF == p1b { p1new += 1; }
self.program1 += p1new - p1orig;
let p2b = self.program2_byte as u32;
let mut p2orig = 0;
let mut p2new = 0;
if original & 0xFF == p2b { p2orig += 1; }
if (original >> 8) & 0xFF == p2b { p2orig += 1; }
if (original >> 16) & 0xFF == p2b { p2orig += 1; }
if (original >> 24) & 0xFF == p2b { p2orig += 1; }
if value & 0xFF == p2b { p2new += 1; }
if (value >> 8) & 0xFF == p2b { p2new += 1; }
if (value >> 16) & 0xFF == p2b { p2new += 1; }
if (value >> 24) & 0xFF == p2b { p2new += 1; }
self.program2 += p2new - p2orig;
}
}
result
}
}
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