Claude 5434dda114 M4+M5: Optimizer passes, type casting, bank switching, math runtime ... Milestone 4 — Optimization & Polish: - Strength reduction: multiply by power-of-2 → shift left - Zero-page promotion analysis: rank variables by access frequency - `as` type casting expression in parser/AST/analyzer - `scroll(x, y)` statement - `--asm-dump` flag for viewing generated assembly - Extended optimizer tests (strength reduction, frequency analysis) Milestone 5 — Bank Switching & Release: - Mapper support: MMC1 (1), UxROM (2), MMC3 (4) in parser and ROM builder - Bank declarations: `bank Name: prg` / `bank Name: chr` - Linker::with_mapper for mapper-aware ROM generation - Software multiply (8x8→16, shift-and-add algorithm) - Software divide (8÷8→8, restoring division algorithm) - ROM tests for mapper encoding round-trip - Integration test for MMC1 compilation 210 tests total (18 new), all pre-commit checks pass. https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3		2026-04-12 00:22:11 +00:00
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integration	Implement NEScript compiler Milestone 1 ("Hello Sprite")	2026-04-11 22:07:56 +00:00
integration_test.rs	M4+M5: Optimizer passes, type casting, bank switching, math runtime	2026-04-12 00:22:11 +00:00