nescript/src/assets/mod.rs

mod chr;
mod palette;
pub mod resolve;
#[cfg(test)]
mod tests;

pub use chr::png_to_chr;
pub use palette::{nearest_nes_color, NES_COLORS};
pub use resolve::resolve_sprites;
M3: Asset pipeline, sprite/palette/background declarations, debug symbols Parser extensions: - sprite declarations with chr: @chr("file.png"), @binary("file.bin"), or inline [hex] - palette declarations with colors: [0x0F, 0x00, 0x10, 0x20] - background declarations with chr: asset source - @chr/@binary asset source parsing - load_background and set_palette statements - --debug CLI flag (plumbed through, not yet wired to codegen) Asset pipeline (new module): - PNG → CHR tile conversion using image crate (8x8 tiles, 2-bitplane encoding) - NES color palette table (all 64 standard NES colors as RGB) - Nearest-color matching (Euclidean distance in RGB space) Debug module (new): - Source map (ROM address → source Span mapping) - Debug symbols with variable address table - Mesen-compatible .mlb label export - .sym symbol table export 192 tests total (13 new: 5 parser + 3 asset + 5 debug) https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3 2026-04-12 00:09:47 +00:00			`mod chr;`
			`mod palette;`
Sprite resolution, asset wiring, shift-assign, unreachable state warning Sprite/asset pipeline: - Linker::link_with_assets() places sprite CHR data in ROM at correct tile - assets::resolve_sprites() walks Program for inline sprite bytes - CodeGen::with_sprites() maps sprite names to tile indices - gen_draw() uses correct tile index from sprite declarations - main.rs wires the full resolution pipeline Shift-assign operators (<<= and >>=): - AssignOp::ShiftLeftAssign and ShiftRightAssign variants - Parser handles in both statement and array index contexts - Codegen emits ASL A / LSR A - IR lowering maps to ShiftLeft/ShiftRight ops Unreachable state warning (W0104): - BFS from start state finds reachable states via transitions - States not reached produce W0104 warning Error polish helpers: - suggest_var_name() for "did you mean" suggestions - emit_undefined_var() for E0502 with typo hints - Used by analyzer for better diagnostics 242 tests pass, clippy clean. https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3 2026-04-12 10:01:44 +00:00			`pub mod resolve;`
M3: Asset pipeline, sprite/palette/background declarations, debug symbols Parser extensions: - sprite declarations with chr: @chr("file.png"), @binary("file.bin"), or inline [hex] - palette declarations with colors: [0x0F, 0x00, 0x10, 0x20] - background declarations with chr: asset source - @chr/@binary asset source parsing - load_background and set_palette statements - --debug CLI flag (plumbed through, not yet wired to codegen) Asset pipeline (new module): - PNG → CHR tile conversion using image crate (8x8 tiles, 2-bitplane encoding) - NES color palette table (all 64 standard NES colors as RGB) - Nearest-color matching (Euclidean distance in RGB space) Debug module (new): - Source map (ROM address → source Span mapping) - Debug symbols with variable address table - Mesen-compatible .mlb label export - .sym symbol table export 192 tests total (13 new: 5 parser + 3 asset + 5 debug) https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3 2026-04-12 00:09:47 +00:00			`#[cfg(test)]`
			`mod tests;`

			`pub use chr::png_to_chr;`
			`pub use palette::{nearest_nes_color, NES_COLORS};`
Sprite resolution, asset wiring, shift-assign, unreachable state warning Sprite/asset pipeline: - Linker::link_with_assets() places sprite CHR data in ROM at correct tile - assets::resolve_sprites() walks Program for inline sprite bytes - CodeGen::with_sprites() maps sprite names to tile indices - gen_draw() uses correct tile index from sprite declarations - main.rs wires the full resolution pipeline Shift-assign operators (<<= and >>=): - AssignOp::ShiftLeftAssign and ShiftRightAssign variants - Parser handles in both statement and array index contexts - Codegen emits ASL A / LSR A - IR lowering maps to ShiftLeft/ShiftRight ops Unreachable state warning (W0104): - BFS from start state finds reachable states via transitions - States not reached produce W0104 warning Error polish helpers: - suggest_var_name() for "did you mean" suggestions - emit_undefined_var() for E0502 with typo hints - Used by analyzer for better diagnostics 242 tests pass, clippy clean. https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3 2026-04-12 10:01:44 +00:00			`pub use resolve::resolve_sprites;`