Lines Matching refs:dl
112 * DL is masked correctly. If not, assume that the BIOS passed
113 * a bogus value and set DL to 0x80, since this is the only
119 testb $0x80, %dl
121 movb $0x80, %dl
148 movb %al, %dl
157 testb $STAGE1_BIOS_HD_FLAG, %dl
166 * %dl may have been clobbered by INT 13, AH=41H.
215 * %dl = drive number
242 testb $STAGE1_BIOS_HD_FLAG, %dl
262 movb %cl, %dl
272 movb %dl, %al
289 movb %dl, 10(%si)
295 movb %dl, 11(%si)
309 movb 13(%si), %dl
311 shlb $6, %dl /* shift left by 6 bits */
316 orb %dl, %cl /* composite together */
332 * %dl = drive (0x80 for hard disk, 0x0 for floppy disk)