Lines Matching refs:ax
108 xorw %ax,%ax # Zero
109 movw %ax,%es # Address
110 movw %ax,%ds # data
111 movw %ax,%ss # Set up
149 movw $COMSPEED,%ax # defined by Makefile
231 popw %ax # Drive number
240 decw %ax # Already drive 0?
357 btw %ax,_MNUOPT(%bp) # enabled?
372 addw $partbl,%ax # selected
373 xchgw %bx,%ax # partition
488 decw %ax # Verify off