8.Function specification-6

8.6 Others

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Title function specification

Function Moving the CD pickup

Function name GFS_CdMovePickup

No 6.1

Format

Sint32 GFS_CdMovePickup(GfsHn gfs)

input

gfs: file handle

output

none

function value

Error code.

function

Move the CD pickup to the access pointer position.
Used to reduce pickup seek time when reading from a CD using the GFS_Fread function, GFS_NwFread function, or GFS_NwCdRead function.

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Title function specification

Function error handling Function settings

Function name GFS_SetErrFunc

No 6.2

Format

void GFS_SetErrFunc(void (*func)(GfsErrFunc func), void *obj)

input

func	:Function called when an error occurs
obj	:The first argument of the func function

output

none

function value

none

function

Register a function to be called when an error occurs.
If func is set to NULL, the error handling function will be unregistered.

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Title function specification

Function Get error status

Function name GFS_GetErrStat

No 6.3

Format

void GFS_GetErrStat(GfsErrStat *stat)

input

none

output

stat: error status

function value

none

function

Gets the error status of the last executed library function.

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Title function specification

Function Track number conversion

Function name GFS_ConvTno

No 6.4

Format

Sint32 GFS_ConvTno(Sint32 logtno)

input

logtno: Logical track number (track number handled by game disc)

output

none

function value

Physical track number (track number on DDS disk)

function

Converts logical track numbers to physical track numbers. If DDS (Direct Dispatch System) is not running, the logical track number = physical track number.