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| 51 || u32 GetDvdReadDisable(void) || Return status of DI DVD Video commands (can only be called from DI) || 1 if disabled, 0 if enabled or error
| 51 || u32 GetDvdReadDisable(void) || Return status of DI DVD Video commands (can only be called from DI) || 1 if disabled, 0 if enabled or error
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| 52 || IOSError SetEnableAHBPI2DI(u8 enable) || Sets bit 4 of [[Hardware/Hollywood_Registers#HW_EXICTRL|HW_EXICTRL]], clearing it if value is 0 and setting it otherwise. DI only seems to call it with false{{check}}. (Can only be called from DI)
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| 52 || IOSError SetEnableAHBPI2DI(u8 enable) || Sets bit 4 of [[Hardware/Hollywood_Registers#HW_AIPPROT|HW_AIPPROT]], clearing it if value is 0 and setting it otherwise. DI only seems to call it with false{{check}}. (Can only be called from DI)
| 0 on success, -1 on error
| 0 on success, -1 on error
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| 53 || u8 GetEnableAHBPI2DI(void) || Checks bit 4 of [[Hardware/Hollywood_Registers#HW_EXICTRL|HW_EXICTRL]] (can only be called from DI) || 1 if bit 4 of [[Hardware/Hollywood_Registers#HW_EXICTRL|HW_EXICTRL]] is set, 0 if not set or error
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| 53 || u8 GetEnableAHBPI2DI(void) || Checks bit 4 of [[Hardware/Hollywood_Registers#HW_AIPPROT|HW_AIPPROT]] (can only be called from DI) || 1 if bit 4 of [[Hardware/Hollywood_Registers#HW_AIPPROT|HW_AIPPROT]] is set, 0 if not set or error
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| 54 || IOSError SetPPCACRPerms(u8 enable) || Enable/Disable PPC AHBPROT setting (can only be called from ES) || 0 on success, -1 on error
| 54 || IOSError SetPPCACRPerms(u8 enable) || Enable/Disable PPC AHBPROT setting (can only be called from ES) || 0 on success, -1 on error