20 lines
748 B
Plaintext
20 lines
748 B
Plaintext
# The simplest possible program: just an infinite loop.
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# All is well if your computer clears screen and hangs without restarting.
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# On an emulator the window may get bigger to accomodate the higher-resolution
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# graphics mode.
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#
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# To convert to a disk image, first prepare a realistically sized disk image:
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# dd if=/dev/zero of=disk.img count=20160 # 512-byte sectors, so 10MB
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# Load the program on the disk image:
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# cat baremetal/boot.hex baremetal/ex1.hex |./bootstrap run apps/hex > a.bin
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# dd if=a.bin of=disk.img conv=notrunc
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# To run:
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# qemu-system-i386 disk.img
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# Or:
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# bochs -f baremetal/boot.bochsrc # boot.bochsrc loads disk.img
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# main: (address 0x9400)
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e9 fb ff ff ff # jump to main, hanging indefinitely
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# vim:ft=subx
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