x86 ASM第2堂

bits 16
%define ONE    1

org 0x7c00
	mov ax, 0xb800
	mov es, ax
	mov byte [es:0], 'P'
	mov byte [es:1], 4
	mov byte [es:2], 'e'
	mov byte [es:3], 3

loop1:
	jmp loop1

	times   512-($-$$)-2    db      0
	signature       dw      0xaa55

###############################################################
# bochsrc.txt file for DLX Linux disk image.
###############################################################

# how much memory the emulated machine will have
megs: 16

# hard disk
ata0: enabled=1, ioaddr1=0x1f0, ioaddr2=0x3f0, irq=14
ata0-master: type=disk, path="hd.img", mode=flat, cylinders=40, heads=16, spt=63

# choose the boot disk.
boot: c

#display_library: term
# other choices: win32 sdl wx carbon amigaos beos macintosh nogui rfb term svga
display_library: sdl2

# where do we send log messages?
log: bochsout.txt

# disable the mouse, since DLX is text only
mouse: enabled=0

magic_break: enabled=1

#debug: action=report
info: action=report
error: action=report
panic: action=report

#!/bin/bash

if [ $# != 4 ]; then
	echo "Usage : insertData.sh source dest <source skip position> <dest seek position>"
	exit;
fi

source_size=$(ls -l $1 | awk {'print $5'})
#dest_size=$(ls -l $2 | awk {'print $5'})
total_seek_size=$((source_size + $4))
#dd if=$2 of=insertData_temp skip=$total_seek_size ibs=1 obs=1MB > /dev/null
if [ $4 = 0 ]; then
	rm -fr first
	touch first
else
	echo "dd if=$2 of=first bs=$4 count=1";
	dd if=$2 of=first bs=$4 count=1
fi

#### back #####
echo "dd if=$2 of=back skip=1 bs=$total_seek_size";
dd if=$2 of=back skip=1 bs=$total_seek_size

cat first $1 back > $2

rm -fr first back

nasm a.asm -l a.lst
./insertData.sh a hd.img 0 0
bochs -f bochsrcSDL.bxrc