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#!/bin/sh
# Translate SubX files to a bootable disk image.
#
# This script uses emulation, so it does not require x86 or Linux. However it
# is slow.
set -e
set -v
cat $* |linux/bootstrap/bootstrap run linux/braces > a.braces
cat a.braces |linux/bootstrap/bootstrap run linux/calls > a.calls
cat a.calls |linux/bootstrap/bootstrap run linux/sigils > a.sigils
cat a.sigils |linux/bootstrap/bootstrap run linux/tests > a.tests
# no assort since baremetal SubX doesn't have segments yet
cat a.tests |linux/bootstrap/bootstrap run linux/dquotes > a.dquotes
cat a.dquotes |linux/bootstrap/bootstrap run linux/pack > a.pack
cat a.pack |linux/bootstrap/bootstrap run linux/survey_baremetal > a.survey
cat a.survey |linux/bootstrap/bootstrap run linux/hex > a.bin
# Create code.img containing a.bin
dd if=/dev/zero of=code.img count=20160 # 512-byte sectors, so 10MB
dd if=a.bin of=code.img conv=notrunc
if [ `stat --printf="%s" a.bin` -ge 258048 ] # 8 tracks * 63 sectors per track * 512 bytes per sector (keep this sync'd with boot.subx)
then
echo "a.bin won't all be loaded on boot"
exit 1
fi
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