'$INCLUDE: 'qb.bi'
DIM SHARED ax, bx, cx, dx
PRINT "The CD-ROM drive letter is ";disk$
FUNCTION disk$
DIM d$(25)
d$(0) = "A:": d$(1) = "B:": d$(2) = "C:": d$(3) = "D:": d$(4) = "E:": d$(5) = "F:"
d$(6) = "G:": d$(7) = "H:": d$(8) = "I:": d$(9) = "J:": d$(10) = "K:": d$(11) = "L:"
ax = &H1500
int2f
IF bx = 0 THEN PRINT "No CD-ROM found --No CDRom" ELSE disk$ = d$(cx)
END FUNCTION
SUB int2f
InRegs.ax = ax
InRegs.bx = bx
InRegs.cx = cx
InRegs.dx = dx
InRegs.flags = flags
INTERRUPTX &H2F, InRegs, OutRegs
ax = OutRegs.ax
bx = OutRegs.bx
cx = OutRegs.cx
dx = OutRegs.dx
flags = OutRegs.flags
END SUB
DIM SHARED ax, bx, cx, dx
PRINT "The CD-ROM drive letter is ";disk$
FUNCTION disk$
DIM d$(25)
d$(0) = "A:": d$(1) = "B:": d$(2) = "C:": d$(3) = "D:": d$(4) = "E:": d$(5) = "F:"
d$(6) = "G:": d$(7) = "H:": d$(8) = "I:": d$(9) = "J:": d$(10) = "K:": d$(11) = "L:"
ax = &H1500
int2f
IF bx = 0 THEN PRINT "No CD-ROM found --No CDRom" ELSE disk$ = d$(cx)
END FUNCTION
SUB int2f
InRegs.ax = ax
InRegs.bx = bx
InRegs.cx = cx
InRegs.dx = dx
InRegs.flags = flags
INTERRUPTX &H2F, InRegs, OutRegs
ax = OutRegs.ax
bx = OutRegs.bx
cx = OutRegs.cx
dx = OutRegs.dx
flags = OutRegs.flags
END SUB