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46 lines
1.3 KiB
Markdown
46 lines
1.3 KiB
Markdown
![bootloader](https://space.alexroidl.de/images/a/a6/Screenshot_from_2019-04-23_22-10-44_2.png)
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#Not My Default Bootloader
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This bootloader displays a minimal publication
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The bootloader only has a size of 512 bytes.
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Therefore I added a second stage to load a program into the memory
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Actually the publication loads different programs into the memory (every part is a seperate program)
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and from everywhere you can go back into the bootloader program.
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#Make
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```make
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make
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make run
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```
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#Dependencies
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*nasm
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*qemu to simulate (but you can also boot directly from USB then there's no need to emulate)
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##Useful resources
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###interrupts
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http://stanislavs.org/helppc/idx_interrupt.html
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###BIOS colors
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https://en.wikipedia.org/wiki/BIOS_color_attributes
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###Second stage bootloader booting from usb
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https://stackoverflow.com/questions/36044706/enable-the-boot-loader-to-load-the-second-sector-of-a-usb
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###Tutorial on second stage / read interrupt BUT only for floppy :(
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For disk see above
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https://blog.ghaiklor.com/how-to-implement-a-second-stage-boot-loader-80e75ae4270c
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###Boc drawing characters
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https://en.wikipedia.org/wiki/Box-drawing_character
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###Good Array Tutorial
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https://www.cs.uaf.edu/2017/fall/cs301/lecture/09_15_strings_arrays.html
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###ASCII Table
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https://theasciicode.com.ar/ascii-printable-characters/space-ascii-code-32.html
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