Initial commit

src/test_roms/mod.rs

@@ -0,0 +1,41 @@
+use crate::{NES, hex_view::Memory};
+
+macro_rules! rom_test {
+    ($name:ident, $rom:literal, |$nes:ident| $eval:expr) => {
+        #[test]
+        fn $name() {
+            let rom_file = concat!(env!("ROM_DIR"), "/", $rom);
+            println!("{}: {}", stringify!($name), rom_file);
+            let mut $nes = NES::load_nes_file(rom_file).expect("Failed to create nes object");
+            $nes.reset_and_run_with_timeout(1000000);
+            println!("Final: {:?}", $nes);
+            $eval
+        }
+    };
+}
+
+rom_test!(basic_cpu, "basic-cpu.nes", |nes| {
+    assert_eq!(nes.last_instruction, "0x8001 HLT :2 []");
+    // Off by one from Mesen, since Mesen doesn't count the clock cycle attempting to execute the 'invalid' opcode
+    assert_eq!(nes.cycle, 11);
+    // This is off by one from Mesen, because Mesen is left pointing at the 'invalid' opcode
+    assert_eq!(nes.cpu.pc, 0x8002);
+
+    assert_eq!(nes.cpu.sp, 0xFD);
+    // assert_eq!(nes.cpu.a, 0x00);
+    // assert_eq!(nes.cpu.x, 0x00);
+    // assert_eq!(nes.cpu.y, 0x00);
+});
+
+rom_test!(read_write, "read_write.nes", |nes| {
+    assert_eq!(nes.last_instruction, "0x8011 HLT :2 []");
+    assert_eq!(nes.cycle, 31);
+    assert_eq!(nes.cpu.pc, 0x8012);
+    assert_eq!(nes.cpu.sp, 0xFD);
+    assert_eq!(nes.cpu.a, 0xAA);
+    assert_eq!(nes.cpu.x, 0xAA);
+    assert_eq!(nes.cpu.y, 0xAA);
+    assert_eq!(nes.cpu_mem().peek(0x0000).unwrap(), 0xAA);
+    assert_eq!(nes.cpu_mem().peek(0x0001).unwrap(), 0xAA);
+    assert_eq!(nes.cpu_mem().peek(0x0002).unwrap(), 0xAA);
+});