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0xrsydn 258fbff2fa fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 
Stores to 0x08-0x0c returned ReadOnly and stopped the machine. Hardware ignores
them, and a second game's boot code stores to a ROM mirror. Emulated writes now
pay their bus cost and change nothing. The 0x0d window stays a diagnostic until
EEPROM is modeled there, and host writes stay strict.

Tests that used a ROM store as their failing write now cross an ignored ROM
word into the 0x0d window.

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
..
hardware fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 2026-10-14 14:28:41 +07:00
research fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 2026-10-14 14:28:41 +07:00
architecture.md feat(core): add whole-machine save states with F5/F9 window slots 2026-10-14 14:28:41 +07:00
demos.md fix(timers): apply machine accesses at bus completion 2026-10-06 21:52:09 +07:00
development.md feat(desktop): add safe explicit Flash save-file persistence 2026-10-07 08:36:12 +07:00
jev-debugging.md feat(tooling): add bounded Jev game-debugging workflow 2026-10-07 01:19:19 +07:00
public-arm-tests.md fix(bios): preserve documented protected-read words at firmware exits 2026-10-06 00:45:28 +07:00
public-bios-tests.md feat(memory): retain aligned Thumb BIOS prefetch words 2026-10-06 01:02:31 +07:00
public-memory-tests.md fix(bios): preserve documented protected-read words at firmware exits 2026-10-06 00:45:28 +07:00
public-pong.md test(compat): pin independent Pong gameplay checks 2026-10-06 22:39:56 +07:00
public-thumb-tests.md fix(bios): preserve documented protected-read words at firmware exits 2026-10-06 00:45:28 +07:00
references.md fix(bios): return cleanly for empty LZ77 streams 2026-10-07 09:06:00 +07:00
rom-tests.md test(compat): pin independent Pong gameplay checks 2026-10-06 22:39:56 +07:00
status.md fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 2026-10-14 14:28:41 +07:00
testing.md fix(bios): return cleanly for empty LZ77 streams 2026-10-07 09:06:00 +07:00
usability-roadmap.md fix(memory): ignore CPU and DMA writes to the Game Pak ROM windows 2026-10-14 14:28:41 +07:00