0xrsydn/gameboy-rust
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feat(bios): implement byte and halfword differential filters

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Add SWI 0x16, 0x17, and 0x18 as original ARM routines. Reconstruct samples with modular addition and byte or halfword output. Validate headers, alignment, lengths, and address ranges; preserve earlier completed writes on failure.

Add 17 regression tests for sample round trips, wraparound, large byte lengths, caller state, partial failures, bus behavior, and DMA/IRQ progress. Validate 635 default and 624 core-only tests in debug and release, plus all 10 native Darwin ARM64 window smoke tests.
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0xrsydn 2026-10-05 13:10:46 +07:00
commit 3ebc1f03d0
6 changed files with 534 additions and 12 deletions
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2
tests/bios.rs
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@ -16,6 +16,8 @@ const ROM_DATA: u32 = ROM_START + 13 * 4;
mod arithmetic;
#[path = "bios/bit_unpack.rs"]
mod bit_unpack;
#[path = "bios/differential.rs"]
mod differential;
#[path = "bios/lz77.rs"]
mod lz77;
#[path = "bios/run_length.rs"]