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- Fixed %si (offset to partition table) in boot.

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- Fixed comment.
This commit is contained in:
kato 2000-08-03 13:01:45 +00:00
parent 5bcf39d3b4
commit fc96e66e1a
1 changed files with 3 additions and 3 deletions
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6
sys/boot/pc98/boot0.5/boot.s
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@ -97,8 +97,8 @@ boot:
# %cx: cylinder number of boot partition
# %si: pointer to partition table
movw b_partn, %ax
movb $10, %cl
shl %cl, %ax # %ax = partition number * 32 * 32
movb $5, %cl
shl %cl, %ax # %ax = partition number * 32
addw b_secsize, %ax
movw %ax, %si # %si = pointer to partition table
movw b_cylinder, %cx # %cx = cylinder
@ -118,7 +118,7 @@ boot:
xorw %ax, %ax
movw %ax, %ds # %ds = 0
movw %di, %ax # Restore %ax
xorb %ah, %ah # %di = 0
xorb %ah, %ah # %ah = 0
xorw %di, %di # %di = 0
sti