IBM InfoROM for OS/2 Beta 1995 January

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Text File | 1994-08-05 | 29.6 KB | 662 lines

****************************************************************************** ** CDROM.GRA DESCRIPTION FILE ** ****************************************************************************** ** CDROM FUNCTION CALLS ** ****************************************************************************** @IMPORT GLOBAL.GRA ****************************************************************************** ****************************************************************************** ** ** CD-ROM OPEN ** ** THIS FUNCTION OPENS THE CDROM. ** ** REQUIRED INPUT PARAMETERS : DEVICENAME : DRIVE LETTER OF CDROM ** ** OUTPUT PARAMTERS : $DRIVES : NUMBER OF CD-ROM DRIVES IN ** : THE SYSTEM UNDER TEST ** : $FIRSTCD : DRIVE NUMBER FOR CD-ROM ** : DRIVE IN THE SYSTEM, ** : WHERE: ** : 00=DRIVE A ** : 01=DRIVE B ** : 02=DRIVE C, ETC. ** ** LOGGED DATA : NONE ** CDROM_OPEN $DLL=DDTCDROM \ DEVICENAME=STRING \ $FUNC=@cdrom_devopen$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** CD-ROM CLOSE ** ** THIS FUNCTION CLOSES THE CDROM. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_CLOSE $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_devclose$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 82H Function 60H - RETURN DRIVE-LETTER INFORMATION ** ** THIS FUNCTION QUERYS THE CDROM DRIVE LETTER FROM THE SYSTEM. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : $DRIVES : NUMBER OF CD-ROM DRIVES IN ** : THE SYSTEM UNDER TEST ** : $FIRSTCD : DRIVE NUMBER FOR CD-ROM ** : DRIVE IN THE SYSTEM, ** : WHERE: ** : 00=DRIVE A ** : 01=DRIVE B ** : 02=DRIVE C, ETC. ** ** LOGGED DATA : NONE ** CDROM_QUERYDRIVELETTER $DLL=DDTCDROM \ $FUNC=@cdrom_qdriveletter$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 44H - EJECT DISC ** ** THIS FUNCTION EJECTS THE CDROM DISC FROM THE CDROM DRIVE. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_EJECT $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_eject$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 46H - LOCK DOOR ** ** THIS FUNCTION LOCKS THE CDROM DRIVE DOOR. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_LOCKDOOR $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_lockdoor$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 46H - UNLOCK DOOR ** ** THIS FUNCTION UNLOCKS THE CDROM DRIVE DOOR. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_UNLOCKDOOR $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_unlockdoor$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 61H - RETURN AUDIO-DISC INFORMATION ** ** THIS FUNCTION RETURNS THE FIRST AND LAST TRACK NUMBERS AND THE REDBOOK ** ADDRESS FOR LEADING TRACK. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : HIGHTRACK : HIGHEST TRACK NUMBER ** : LOWTRACK : LOWEST TRACK NUMBER ** ** LOGGED DATA : LOWTRACK : LOWEST TRACK NUMBER ** : HIGHTRACK : HIGHEST TRACK NUMBER ** : ADDRESS : STARTING POINT OF LEAD-OUT TRACK ** CDROM_QUERYAUDIODISKINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_qaudiodiskinfo$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 65H - AUDIO-STATUS INFORMATION ** ** THIS FUNCTION RETURNS THE AUDIO STATUS, AND THE STARTING AND ENDING ** LOCATIONS OF THE LAST PLAYBACK. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : WORD : AUDIO STATUS BITS ** : DWORD : STARTING LOCATION OF LAST PLAY ** : AUDIO OR RESUME AUDIO COMMAND ** : DWORD : ENDING LOCATION OF LAST PLAY ** : AUDIO OR RESUME AUDIO COMMAND ** CDROM_QUERYAUDIOSTATUS $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_queryaudiostatus$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 61H - IDENTIFY CD-ROM DRIVER ** ** THIS FUNCTION IDENTIFIES THE DEVICE DRIVER AS A VALID CDROM DRIVER. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : CDROM DRIVER : CDROM DEVICE DRIVER ID ** CDROM_QUERYDRIVERINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_qdriverinfo$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 63H - RETURN SECTOR SIZE ** ** THIS FUNCTION RETURNS THE NUMBER OF BYTES PER SECTOR THAT THE DEVICE DRIVER ** SUPPORTS. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : SECTOR SIZE : SIZE OF SECTORS ON DISC ** CDROM_QUERYSECTORINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_qsectorinfo$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 78H - RETURN VOLUME SIZE ** ** THIS FUNCTION RETURNS THE TOTAL NUMBER OF ACCESSIBLE SECTORS ON THE DISK. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : VOLUME SIZE : VOLUME SIZE IN SECTORS ** CDROM_QUERYVOLUMESIZE $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_qvolsize$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 62H - RETURN AUDIO-TRACK INFORMATION ** ** THIS FUNCTION RETURNS THE REDBOOK ADDRESS FOR THE STARTING POINT AND ** TRACK-CONTROL INFORMATION FOR A SPECIFIED TRACK. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : TRACK : TRACK NUMBER ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : ADDRESS : STARTING POINT OF TRACK ** : TRACK INFO : TRACK-CONTROL INFORMATION ** CDROM_QUERYAUDIOTRACKINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ TRACK=NUM \ $FUNC=@cdrom_qaudiotrack$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 60H - DEVICE STATUS ** ** THIS FUNCTION RETURNS THE DEVICE DRIVER STATUS CODES. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : DRIVE STATUS : CD-ROM DRIVE STATUS INFORMATION ** CDROM_QUERYSTATUS $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_querystatus$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 79H - GET UPC ** ** THIS FUNCTION RETURNS THE UPC CODE FOR THE CDROM DISK. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : CONTROL BYTE : CONTROL AND ADR BYTE ** : UPCC CODE : UNIVERSAL PRODUCT CODE ** : FRAME : FRAME ** CDROM_QUERYUPCC $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_queryupccode$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 63H - RETURN AUDIO-SUBCHANNEL Q INFORMATION ** ** THIS FUNCTION RETURNS TRACK AND CONTROL INFORMATION WHILE THE DRIVE ** IS PLAYING A AUDIO CDROM DISK. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : CONTROL : CONTROL AND ADR BYTE ** : TRACK : TRACK NUMBER ** : INDEX : INDEX ** : ELAPSED MIN. : RUNNING TIME WITHIN A ** : TRACK, MINUTES ** : ELAPSED SEC. : RUNNING TIME WITHIN A ** : TRACK, SECONDS ** : ELAPSED FRAME: RUNNING TIME WITHIN A ** : TRACK, FRAMES ** : ELAPSED MIN. : RUNNING TIME WITHIN A ** : DISK, MINUTES ** : ELAPSED SEC. : RUNNING TIME WITHIN A ** : DISK, SECONDS ** : ELAPSED FRMAE: RUNNING TIME WITHIN A ** : DISK, FRAMES ** CDROM_QUERYCHANINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_querychaninfo$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 40H - AUDIO CHANNEL CONTROL ** ** THIS FUNCTION RETURNS THE CURRENT SETTINGS OF THE AUDIO CHANNEL CONTROLS. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : BYTE : INPUT CHANNEL FOR OUTPUT ** : CHANNEL 0 ** : BYTE : VOLUME CONTROL FOR OUTPUT ** : CHANNEL 0 ** : BYTE : INPUT CHANNEL FOR OUTPUT ** : CHANNEL 1 ** : BYTE : VOLUME CONTROL FOR OUTPUT ** : CHANNEL 1 ** : BYTE : INPUT CHANNEL FOR OUTPUT ** : CHANNEL 2 ** : BYTE : VOLUME CONTROL FOR OUTPUT ** : CHANNEL 2 ** : BYTE : INPUT CHANNEL FOR OUTPUT ** : CHANNEL 3 ** : BYTE : VOLUME CONTROL FOR OUTPUT ** : CHANNEL 3 ** CDROM_QUERYAUDIOCHANINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_qaudiochaninfo$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** THIS FUNCTION SETS THE CURRENT SETTINGS OF THE AUDIO CHANNEL CONTROLS. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : VOL1 : VOLUME FOR CHANNEL 0 ** : VOL2 : VOLUME FOR CHANNEL 1 ** : VOL3 : VOLUME FOR CHANNEL 2 ** : VOL4 : VOLUME FOR CHANNEL 3 ** ** EXAMPLE: VOL1 = (0-255) ** VOL2 = (0-255) ** VOL3 = (0-255) ** VOL4 = (0-255) ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_AUDIOCHANINFO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ VOL1=NUM \ VOL2=NUM \ VOL3=NUM \ VOL4=NUM \ $FUNC=@cdrom_audiochaninfo$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 40H - RESET DRIVE ** ** THIS FUNCTION RESETS AND REINITIALIZES THE DRIVE AND CONTROLLER. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_RESET $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_reset$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 51H - STOP AUDIO ** ** THIS FUNCTION CANCELS ANY ACTIVE PLAY REQUEST. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_STOPAUDIO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_stopaudio$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 52H - RESUME AUDIO ** ** THIS FUNCTION RESUMES PLAYING AUDIO AFTER PLAY HAS BEEN INTERRUPTED ** BY THE STOP AUDIO COMMAND. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_RESUMEAUDIO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ $FUNC=@cdrom_resumeaudio$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 50H - PLAY AUDIO ** ** THIS FUNCTION PLAYS A SELECTED AUDIO TRACK. THE FUNCTION CAN PLAY AUDIO ** BY BEING PASSED EITHER A SECTOR START VALUE OR A TIME START VALUE. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : ADDRESSMODE : ADDRESSING MODE -- EITHER ** 1) LOGICAL BLOCK ** 2) REDBOOK - MINUTES/SECONDS/FRAMES ** : SECTORSTART --- IF USING LOGICAL BLOCK ** : SECTORCOUNT --- IF USING LOGICAL BLOCK ** : TIMESTART --- IF USING REDBOOK ** : TIMESTOP --- IF USING REDBOOK ** ** EXAMPLES: REDBOOK ** : ADDRESSMODE=REDBOOK ** : TIMESTART=02:45:00 ** : TIMESTOP=05:55:00 ** ** LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** : SECTORSTART=20000 ** : SECTORCOUNT=10000 ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_PLAYAUDIO $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ $FUNC=@cdrom_playaudio$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 50H - SEEK ** ** THIS FUNCTION MOVES THE READ HEAD TO A SPECIFIED BLOCK THAT IS PASSED TO ** TO THE FUNCTION. THE FUNCTION CAN SEEK A SPECIFIED BLOCK BY EITHER ** HAVING THE SECTOR START VALUE OR A TIME START VALUE. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : ADDRESSMODE : ADDRESSING MODE -- EITHER ** 1) LOGICAL BLOCK ** 2) REDBOOK - MINUTES/SECONDS/FRAMES ** : SECTORSTART --- IF USING LOGICAL BLOCK ** : SECTORCOUNT --- IF USING LOGICAL BLOCK ** : TIMESTART --- IF USING REDBOOK ** : TIMESTOP --- IF USING REDBOOK ** ** EXAMPLES: REDBOOK ** : ADDRESSMODE=REDBOOK ** : TIMESTART=02:45:00 ** : TIMESTOP=05:55:00 ** ** LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** : SECTORSTART=20000 ** : SECTORCOUNT=10000 ** ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : NONE ** CDROM_SEEK $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ $FUNC=@cdrom_seek$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 70H - LOCATION OF DRIVE HEAD ** ** THIS FUNCTION RETURNS THE CURRENT DRIVE-HEAD LOCATION. THIS FUNCTION WILL ** RETURN THE VALUE IN EITHER ADDRESSING MODE. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : ADDRESSMODE : ADDRESSING MODE -- EITHER ** 1) LOGICAL BLOCK ** 2) REDBOOK ** ** EXAMPLE: REDBOOK ** : ADDRESSMODE=REDBOOK ** ** LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : DRIVE HEAD : LOCATION OF DRIVE HEAD ** CDROM_DRIVELOCATION $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ $FUNC=@cdrom_drivelocation$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** DOS READ FILE ** ** THIS FUNCTION READS A SELECTED FILE FROM A CDROM DISK. IT READS IN THE ** THE NUMBER OF BYTES THAT ARE PASSED TO THE FUNCTION. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : FILENAME : NAME OF FILE TO READ ** : ADDRESSMODE : ADDRESSING MODE ** LOGICAL BLOCK ** : BYTESTART : STARTING BYTE TO READ ** : BYTECOUNT : NUMBER OF BYTES TO READ ** ** EXAMPLE: LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** : BYTESTART=2000 ** : BYTECOUNT=30000 ** : FILENAME=E:\\README.TXT ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : BYTE(S) : BYTE(S) READ ** CDROM_READFILE $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ BYTESTART=NUM \ BYTECOUNT=NUM \ $FUNC=@cdrom_devreadfile$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** DOS READ ** ** THIS FUNCTION READS A SELECTED FILE FROM A CDROM DISK. IT READS IN A GROUP ** OF SECTORS AT ONE TIME. EACH SECTOR CONTAINS 2048 BYTES. THE NUMBER OF ** SECTORS TO READ NEED TO BE PASSED TO THE FUNCTION. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : ADDRESSMODE : ADDRESSING MODE ** LOGICAL BLOCK ** : SECTORSTART --- STARTING SECTOR TO READ ** : SECTORCOUNT --- NUMBER OF SECTORS TO READ ** ** EXAMPLE: LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** : SECTORSTART=20000 ** : SECTORCOUNT=10000 ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : 12 BYTES : BYTE SYNC ** : 4 BYTES : BYTE HEADER ** : 2048 BYTES : BYTE DATA AREA ** : 288 BYTES : BYTE EDC/ECC AREA ** CDROM_READ2048 $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ SECTORSTART=NUM \ SECTORCOUNT=NUM \ $FUNC=@cdrom_devread2048$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 80H Function 72H - READ LONG ** ** THIS FUNCTION READS A SELECTED FILE FROM A CDROM DISK. IT READS IN A GROUP ** OF SECTORS AT ONE TIME. THIS FUNCTION READS 2352 BYTES FROM EACH SECTOR. ** THIS FUNCTION IS THE SAME AS READ2048, EXCEPT THIS FUNCTION ALSO READS IN ** ALL OF THE SECTOR HEADER INFORMATION AS WELL. THE NUMBER OF SECTORS TO ** READ NEED TO BE PASSED TO THE FUNCTION. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : ADDRESSMODE : ADDRESSING MODE ** LOGICAL BLOCK ** : SECTORSTART --- STARTING SECTOR TO READ ** : SECTORCOUNT --- NUMBER OF SECTORS TO READ ** ** EXAMPLE: LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** : SECTORSTART=20000 ** : SECTORCOUNT=10000 ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : 12 BYTES : BYTE SYNC ** : 4 BYTES : BYTE HEADER ** : 2048 BYTES : BYTE DATA AREA ** : 288 BYTES : BYTE EDC/ECC AREA ** CDROM_READ2352 $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ SECTORSTART=NUM \ SECTORCOUNT=NUM \ $FUNC=@cdrom_read2352$qr8Kwd_List ****************************************************************************** ****************************************************************************** ** ** Cat 81H Function 71H - READ LONG PREFETCH ** ** THIS FUNCTION READS A SELECTED FILE FROM A CDROM DISK. IT READS IN A GROUP ** OF SECTORS AT ONE TIME. THIS FUNCTION READS 2352 BYTES FROM EACH SECTOR. ** THIS FUNCTION IS THE SAME AS READ2352, EXCEPT THIS FUNCTION PREFETCHES ** THE SECTOR INFORMATION. THIS WILL READ IN THE SECTOR INFORMATION IN ** ANTICIPATION OF A SYSTEM REQUEST FOR THE SECTOR INFORMATION. THE NUMBER ** OF SECTORS TO READ NEED TO BE PASSED TO THE FUNCTION. ** ** REQUIRED INPUT PARAMETERS : DRIVEHANDLE : DRIVE HANDLE FOR CDROM DRIVE ** : ADDRESSMODE : ADDRESSING MODE ** LOGICAL BLOCK ** : SECTORSTART --- STARTING SECTOR TO READ ** : SECTORCOUNT --- NUMBER OF SECTORS TO READ ** ** EXAMPLE: LOGICALBLOCK ** : ADDRESSMODE=LOGICALBLOCK ** : SECTORSTART=20000 ** : SECTORCOUNT=10000 ** ** OUTPUT PARAMTERS : NONE ** ** LOGGED DATA : 12 BYTES : BYTE SYNC ** : 4 BYTES : BYTE HEADER ** : 2048 BYTES : BYTE DATA AREA ** : 288 BYTES : BYTE EDC/ECC AREA ** CDROM_READPRE2352 $DLL=DDTCDROM \ DRIVEHANDLE=NUM \ ADDRESSMODE=STRING \ SECTORSTART=NUM \ SECTORCOUNT=NUM \ $FUNC=@cdrom_readpre2352$qr8Kwd_List ****************************************************************************** ******************************************************************************