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CD-i: Add HLE Ops - #15790

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Vincent-Halver wants to merge 2 commits into
mamedev:masterfrom
Vincent-Halver:cdic
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CD-i: Add HLE Ops#15790
Vincent-Halver wants to merge 2 commits into
mamedev:masterfrom
Vincent-Halver:cdic

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@Vincent-Halver

@Vincent-Halver Vincent-Halver commented Jul 28, 2026

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Renames input polling flag to developer mode. This flag is only armed during startup, and disarmed on gameplay. It is confirmed not related to input polling. Also adds 0x80 and 0x81 4-byte commands used during startup to write to internal RAM (unimplemented). This should help byte align commands better, resulting in less data executed as code incorrectly.

Adds Disable Input Polling (used in game startup) and 0x80 and 0x81 4-byte commands used during startup to write to internal RAM (unimplemented). This should help byte align commands better.
This flag is set on/off by these two commands. This flag can't be related to input polling, because it's flipped on on boot, and off when the CD starts.

In either condition, the system would be unusable. From preliminary checks, it might be related to booting in safemode or similar.
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