diff options
-rw-r--r-- | bochsrc | 2 | ||||
-rw-r--r-- | bochsrc.2disks | 4 | ||||
-rwxr-xr-x | translate_subx | 10 |
3 files changed, 12 insertions, 4 deletions
diff --git a/bochsrc b/bochsrc index 7a74312e..e31b1718 100644 --- a/bochsrc +++ b/bochsrc @@ -9,7 +9,7 @@ display_library: sdl2 -ata0-master: type=disk, path="code.img", mode=flat, cylinders=20, heads=16, spt=63 # 10MB, 512 bytes per sector +ata0-master: type=disk, path="code.img", mode=flat, cylinders=20, heads=16, spt=63 # 512 bytes per sector = almost 10MB boot: disk mouse: enabled=1, toggle=ctrl+f10 log: - diff --git a/bochsrc.2disks b/bochsrc.2disks index a9550a9d..0956bdda 100644 --- a/bochsrc.2disks +++ b/bochsrc.2disks @@ -9,8 +9,8 @@ display_library: sdl2 -ata0-master: type=disk, path="code.img", mode=flat, cylinders=20, heads=16, spt=63 # 10MB, 512 bytes per sector -ata0-slave: type=disk, path="data.img", mode=flat, cylinders=20, heads=16, spt=63 # 10MB, 512 bytes per sector +ata0-master: type=disk, path="code.img", mode=flat, cylinders=20, heads=16, spt=63 # 512 bytes per sector = almost 10MB +ata0-slave: type=disk, path="data.img", mode=flat, cylinders=20, heads=16, spt=63 # 512 bytes per sector = almost 10MB boot: disk mouse: enabled=1, toggle=ctrl+f10 log: - diff --git a/translate_subx b/translate_subx index 70400f45..5e2db997 100755 --- a/translate_subx +++ b/translate_subx @@ -32,7 +32,7 @@ cat a.pack |linux/labels_baremetal labels > a.survey cat a.survey |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=/dev/zero of=code.img count=20160 # 20*16*63 512-byte sectors = almost 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) @@ -40,3 +40,11 @@ then echo "a.bin won't all be loaded on boot" exit 1 fi + +# Latter half of disk is for debug info. +dd if=labels of=code.img seek=10080 conv=notrunc +if [ `stat --printf="%s" labels` -ge 516096 ] # 16 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 |