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AX = 4A11h BX = 0000h
Return:
AX = 0000h (successful) BX = 444Dh ("DM") CL = first drive letter used by DBLSPACE (41h ['A'] = A:) CH = number of drive letters used by DBLSPACE DX = internal DBLSPACE.BIN version number (bits 14-0) bit 15 set if DBLSPACE.BIN has not yet been relocated to final position in memory (i.e. DBLSPACE.SYS /MOVE)
Program: DBLSPACE.BIN is the resident driver for DoubleSpace, the disk-compression software bundled with MS-DOS 6.0 and 6.20
Notes: This function is also supported by the version of SuperStor bundled with IBM DOS 6.x and "preloading" versions of Stacker. The complete DBLSPACE.BIN API is still supported by MS-DOS 6.22's DRVSPACE.BIN
See Also: AX=4A11h/BX=0001h - AX=4A11h/BX=0002h - AX=4A11h/BX=0003h
See Also: AX=4A11h/BX=0005h - AX=4A11h/BX=0007h - AX=4A11h/BX=FFFFh
See Also: INT 21/AX=4404h"DBLSPACE"
Category: File/Disk Compression - Int 2Fh - D
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