nescript

imjasonh/nescript

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Author	SHA1	Message	Date
Claude	fd5a940c89	Add example builds to CI, document sprite name behavior - CI: new "Build Examples" job compiles all .ne files and validates the output ROMs have correct iNES headers - Examples: add notes explaining that sprite names (Smiley, Ball) are parsed but not yet resolved — all draws use the built-in CHR tile 0. Custom sprite declarations come in M3. - Codegen: explicit `let _ = &draw.sprite_name` to document the intentional skip, with comment about M2/M3 scope https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3	2026-04-11 22:55:43 +00:00
Claude	39ca246151	Implement NEScript compiler Milestone 1 ("Hello Sprite") Complete implementation of the NEScript compiler pipeline for M1: - Lexer: full tokenization with hex/binary/decimal literals, all keywords, operators - Parser: recursive descent with Pratt expression parsing (M1 subset) - Analyzer: symbol resolution, type checking, memory allocation - 6502 Assembler: full opcode encoding table (~150 valid combinations) - Code Generator: AST → 6502 instructions (direct, no IR for M1) - Runtime: NES hardware init, NMI handler, controller read, OAM DMA - Linker: NROM layout, vector table, palette loading, CHR data - ROM Builder: iNES header generation, PRG/CHR padding - CLI: `build` and `check` subcommands via clap 143 tests across all modules: - 22 lexer tests (literals, keywords, operators, error recovery) - 18 parser tests (expressions, statements, game structure, errors) - 7 analyzer tests (symbol resolution, memory allocation, transitions) - 30 assembler tests (every addressing mode, label resolution) - 7 codegen tests (var init, arithmetic, buttons, draw, comparisons) - 11 runtime tests (init sequence, NMI handler, controller read) - 10 ROM builder tests (iNES format, mirroring, banking, validation) - 5 linker tests (vector table, CHR data, palette loading) - 7 integration tests (end-to-end compilation, error detection) CI: GitHub Actions for check, fmt, clippy, test Pre-commit: script for local fmt + clippy + test validation https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3	2026-04-11 22:07:56 +00:00

Author

SHA1

Message

Date

Claude

fd5a940c89

Add example builds to CI, document sprite name behavior

- CI: new "Build Examples" job compiles all .ne files and validates
  the output ROMs have correct iNES headers
- Examples: add notes explaining that sprite names (Smiley, Ball) are
  parsed but not yet resolved — all draws use the built-in CHR tile 0.
  Custom sprite declarations come in M3.
- Codegen: explicit `let _ = &draw.sprite_name` to document the
  intentional skip, with comment about M2/M3 scope

https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3

2026-04-11 22:55:43 +00:00

Claude

39ca246151

Implement NEScript compiler Milestone 1 ("Hello Sprite")

Complete implementation of the NEScript compiler pipeline for M1:
- Lexer: full tokenization with hex/binary/decimal literals, all keywords, operators
- Parser: recursive descent with Pratt expression parsing (M1 subset)
- Analyzer: symbol resolution, type checking, memory allocation
- 6502 Assembler: full opcode encoding table (~150 valid combinations)
- Code Generator: AST → 6502 instructions (direct, no IR for M1)
- Runtime: NES hardware init, NMI handler, controller read, OAM DMA
- Linker: NROM layout, vector table, palette loading, CHR data
- ROM Builder: iNES header generation, PRG/CHR padding
- CLI: `build` and `check` subcommands via clap

143 tests across all modules:
- 22 lexer tests (literals, keywords, operators, error recovery)
- 18 parser tests (expressions, statements, game structure, errors)
- 7 analyzer tests (symbol resolution, memory allocation, transitions)
- 30 assembler tests (every addressing mode, label resolution)
- 7 codegen tests (var init, arithmetic, buttons, draw, comparisons)
- 11 runtime tests (init sequence, NMI handler, controller read)
- 10 ROM builder tests (iNES format, mirroring, banking, validation)
- 5 linker tests (vector table, CHR data, palette loading)
- 7 integration tests (end-to-end compilation, error detection)

CI: GitHub Actions for check, fmt, clippy, test
Pre-commit: script for local fmt + clippy + test validation

https://claude.ai/code/session_01W6eQFStA66EuMKHUFo2rx3

2026-04-11 22:07:56 +00:00

2 commits