cbmctrl success when polling zf

[XUM1541] scanning usb ...

[XUM1541] scanning bus 007

[XUM1541] device 05ac:0229 at 003

[XUM1541] device 05ac:8242 at 002

[XUM1541] device 1d6b:0001 at 001

[XUM1541] scanning bus 006

[XUM1541] device 1d6b:0001 at 001

[XUM1541] scanning bus 005

[XUM1541] device 16d0:0504 at 018

[XUM1541] found xu/xum1541 version 0208 on bus 005, device 018

[XUM1541] xum1541 name: xum1541 floppy adapter (ZOOMFLOPPY)

[XUM1541] xum1541 serial number:   0

[XUM1541] firmware version 8, library version 8

[XUM1541] device capabilities 1b status 00

[XUM1541] [xum1541_init] Tape supported, disk mode entered.

[XUM1541] write 16 2 bytes from address 0x7ffcb034220e flags 3

[XUM1541] wrote 2 bytes (48 6f)

[XUM1541] xum1541waitstatus checking for status

[XUM1541] return val = 2

[XUM1541] wait done, extended status 2

[XUM1541] write done, got 2 bytes

[XUM1541] read 16 38 bytes to address 0x7ffcb0342260

[XUM1541] read 27 bytes (37 33 2c 43 42 4d 20 44 ...)

[XUM1541] read done, got 27 bytes

[XUM1541] write 16 1 bytes from address 0x7ffcb034220f flags 2

[XUM1541] wrote 1 bytes (5f)

[XUM1541] xum1541waitstatus checking for status

[XUM1541] return val = 1

[XUM1541] wait done, extended status 1

[XUM1541] write done, got 1 bytes

73,cbm dos v2.6 1541,00,00

[XUM1541] Closing USB link