score accumulation test

Author: kirjavascript

README.md

@@ -43,7 +43,6 @@
 * [Qualifier Mode](#qual-mode)
 * [PAL Mode](#pal-mode)
 * [Development](#development)
-* [Resources](#resources)
 
 ## Getting Started
 
@@ -429,11 +428,4 @@ To build, you need a copy of `node` installed on your system. No other dependenc
 
 Provide a `clean.nes` file of the unpatched ROM and run `node build.js`
 
-This project descends from the TAUS disassembly of NES Tetris and has been heavily modified. Large parts have been replaced, lots of optimisations, removal of unused code, non-game-mechanics related bugfixes, tooling, and different approaches to the disassembly work itself has taken place.
-
-
-## Resources
-
-* [https://github.com/ejona86/taus](https://github.com/ejona86/taus)  
-* [https://github.com/CelestialAmber/TetrisNESDisasm](https://github.com/CelestialAmber/TetrisNESDisasm)  
-* [https://github.com/pinobatch/holy-mapperel](https://github.com/pinobatch/holy-mapperel)
+This project descends from the [https://github.com/ejona86/taus](TAUS) and [https://github.com/CelestialAmber/TetrisNESDisasm](CelestialAmber) disassemblies of NES Tetris and has been heavily modified. Large parts have been replaced, lots of optimisations, removal of unused code, non-game-mechanics related bugfixes, tooling, and different approaches to the disassembly work itself has taken place.

tests/src/main.rs

@@ -50,7 +50,7 @@ struct TestOptions {
 fn main() {
     let options = TestOptions::parse_args_default_or_exit();
 
-    let tests: [(&str, fn()); 13] = [
+    let tests: [(&str, fn()); 14] = [
         ("garbage4", garbage::test_garbage4_crash),
         ("floor", floor::test),
         ("tspins", tspins::test),

tests/src/score.rs

@@ -25,6 +25,7 @@ pub fn get(emu: &mut NesState) -> u32 {
     emu.memory.iram_raw[binscore_addr as usize] as u32
         + ((emu.memory.iram_raw[(binscore_addr + 1) as usize] as u32) << 8)
         + ((emu.memory.iram_raw[(binscore_addr + 2) as usize] as u32) << 16)
+        + ((emu.memory.iram_raw[(binscore_addr + 3) as usize] as u32) << 24)
 }
 
 pub fn test() {
@@ -54,6 +55,20 @@ pub fn test() {
     for initial_score in 999499..=1000501 {
         assert_eq!(score(initial_score, 4, 18), initial_score + score_impl(4, 18));
     }
+
+    // keep adding scores
+    let mut accumulator = 0;
+    let mut emu = util::emulator(None);
+
+    for _ in 0..2000 {
+        accumulator += score_impl(4, 235);
+        emu.registers.pc = add_points;
+        emu.memory.iram_raw[completed_lines] = 4;
+        emu.memory.iram_raw[level_number] = 235;
+        util::run_to_return(&mut emu, false);
+        assert_eq!(score::get(&mut emu), accumulator);
+    }
+
 }
 
 pub fn score_impl(lines: u8, level: u8) -> u32 {