0xrsydn/gameboy-rust
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gameboy-rust/crates/gba-core/tests
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0xrsydn 20176716d9 fix(memory): ignore CPU and DMA writes to unused I/O addresses 
Stores to I/O addresses with no register returned Unmapped and stopped the
machine. Hardware ignores them. Emulated writes there now pay their bus cost and
change nothing; host writes stay strict. The unmodeled internal memory control
register at 0x04xx0800 and all unused I/O reads remain diagnostics.

Rollback tests that used unused I/O as their failing word now run the block on
to a register that rejects the stored value: SIOMULTI2 outside multiplayer
mode, an RCNT GPIO serial IRQ, or 64-sample wave playback. Where no reachable
register can fail (JOYSTAT, POSTFLG/HALTCNT, IME, DMA3CNT), the test now checks
that the block commits and the unused word is ignored.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01HhfHfHEuzv2AUTd6erW1gU
2026-10-14 14:28:41 +07:00
..
bios fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 2026-10-14 14:28:41 +07:00
cartridge_gpio feat(cartridge): implement RTC calendar transfers and clock updates 2026-10-07 05:59:29 +07:00
dma fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
effects refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
mosaic refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
pulse_sound feat(audio): implement PSG pulse channel 2 2026-10-07 02:33:41 +07:00
scanlines refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
sprites refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
window_tracking refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
affine_backgrounds.rs fix(video): ignore enable bits for backgrounds a mode lacks 2026-10-14 14:28:41 +07:00
affine_tracking.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
audio_capture.rs feat(audio): capture transactional fixed-rate stereo samples 2026-10-07 07:16:42 +07:00
bios.rs fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 2026-10-14 14:28:41 +07:00
bitmap_modes.rs fix(video): ignore enable bits for backgrounds a mode lacks 2026-10-14 14:28:41 +07:00
cartridge_gpio.rs feat(cartridge): implement RTC calendar transfers and clock updates 2026-10-07 05:59:29 +07:00
core.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
direct_sound.rs feat(audio): add single-bank wave channel playback 2026-10-07 06:58:46 +07:00
display.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
dma.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
effects.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
exceptions.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
flash.rs feat(cartridge): implement transactional Flash programming and erase 2026-10-07 08:36:12 +07:00
flash_write.rs feat(cartridge): implement transactional Flash programming and erase 2026-10-07 08:36:12 +07:00
graphics.rs fix(video): ignore enable bits for backgrounds a mode lacks 2026-10-14 14:28:41 +07:00
halt.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
inactive_devices.rs feat(audio): add single-bank wave channel playback 2026-10-07 06:58:46 +07:00
keypad.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
machine.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
memory.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
mosaic.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
mosaic_tracking.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
noise_sound.rs feat(audio): implement PSG noise channel 4 2026-10-07 02:54:57 +07:00
prefetch_cancellation.rs fix(timers): apply machine accesses at bus completion 2026-10-06 21:52:09 +07:00
pulse_sound.rs feat(audio): implement PSG pulse channel 2 2026-10-07 02:33:41 +07:00
save_state.rs feat(core): add whole-machine save states with F5/F9 window slots 2026-10-14 14:28:41 +07:00
scanlines.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
serial_control.rs feat(serial): support disconnected Joybus configuration and local registers 2026-10-07 06:38:04 +07:00
serial_external.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
serial_internal.rs feat(serial): clock disconnected normal transfers and completion IRQs 2026-10-07 04:23:07 +07:00
serial_joybus.rs feat(serial): support disconnected Joybus configuration and local registers 2026-10-07 06:38:04 +07:00
serial_multiplayer.rs feat(serial): model disconnected multiplayer configuration 2026-10-07 05:06:49 +07:00
sprite_budget.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
sprite_pipeline.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
sprites.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00
stop.rs fix(memory): ignore CPU and DMA writes to unused I/O addresses 2026-10-14 14:28:41 +07:00
tiles.rs fix(video): read BG maps and tiles through the 128 KiB VRAM mirror window 2026-10-07 10:11:51 +07:00
timer_prescaler.rs fix(timers): retain shared free-running prescaler phase 2026-10-06 22:07:49 +07:00
timers.rs fix(timers): retain shared free-running prescaler phase 2026-10-06 22:07:49 +07:00
timing.rs feat(cartridge): add explicit Flash identification and banked reads 2026-10-07 06:25:43 +07:00
video_bus_cpu.rs test(memory): integrate pinned public memory compatibility suite 2026-10-05 21:19:32 +07:00
wave_sound.rs feat(audio): add single-bank wave channel playback 2026-10-07 06:58:46 +07:00
window_tracking.rs refactor: split into gameboy-rust workspace with core, demos, and desktop crates 2026-10-05 16:09:46 +07:00