runtime: add opt-in 8 MB main RAM mod - #251
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Adapt the 8 MB RAM work from the rbengine branch into a master-targeted change. The builtin package is disabled by default, activation requests expanded RAM before memory init, and runtime/state/digest/dispatch paths respect the live RAM map.
mstan
marked this pull request as draft
August 28, 2026 04:55
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Summary
psx.enhancement.8mb-ramSource
Adapted from the rbengine 8 MB RAM work, especially commits
8fb75061,76945d3a, and the hidden-by-default follow-up45253daf. This intentionally leaves out rbengine-only rollback/bank-switching pieces.Validation
psx-runtime,mod_packages_test,mod_runtime_test,gte_register_access_test,ws_ui_group_test,psx_ram_runtime_map_test,psx_memory_geometry_retail_test,psx_memory_geometry_expanded_testpy -3 runtime/tests/test_mod_load_acceleration.pypsxrecomp-game,recompiler_patch_test,full_function_emitter_test,emitter_directive_line_testgit diff --checkReview needed from Cobalt/tetrisgm on whether this should land and whether the hidden/default-off package shape is the right policy.