24 lines
531 B
Diff
24 lines
531 B
Diff
--- a/core/isolinux.asm
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+++ b/core/isolinux.asm
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@@ -694,10 +724,17 @@
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;
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getlinsec_cdrom:
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mov si,dapa ; Load up the DAPA
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- mov [si+4],bx
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- mov bx,es
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- mov [si+6],bx
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mov [si+8],eax
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+ ; seems that some BIOSes have problems if the target
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+ ; segment is 0 (don't ask); to avoid this, we normalize
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+ ; the buffer address here
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+ ; -> seen on Acer TravelMate C102Ti
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+ mov [si+4],bx
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+ and word [si+4],0fh
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+ mov ax,es
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+ shr bx,4
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+ add ax,bx
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+ mov [si+6],ax
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.loop:
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push bp ; Sectors left
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cmp bp,[MaxTransfer]
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