boot/fat: Save a byte restoring DL

2020-09-27 15:10:28 +00:00 · 2020-09-27 15:10:28 +00:00 · 729e6790ef
commit 729e6790ef
parent 909349a4cf
1 changed files with 3 additions and 2 deletions
--- a/boot/fat.asm
+++ b/boot/fat.asm
@ -25,6 +25,7 @@ init:		xor ax, ax
 		mov ss, ax
 		mov sp, stack
 		push sp
+		push dx

 		; save potential partition table entry
 		push ds
@ -192,9 +193,9 @@ loadclus:	lodsw
 		call read
 		jmp loadclus

-.jump:		mov dl, [bp+bpb.drivenum]
-		pop si
+.jump:		pop si
 		pop ds
+		pop dx
 		ret

 err_not_found: