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27 lines
1.2 KiB
Markdown
27 lines
1.2 KiB
Markdown
# Assembling z80 source from the shell
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In its current state, Collapse OS has all you need to assemble z80 source
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from within the shell. What you need is:
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* A mounted filesystem with `zasm` on it.
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* A block device to read from (can be a file from mounted CFS)
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* A block device to write to (can also be a file).
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The emulated shell is already set up with all you need. If you want to run that
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on a real machine, you'll have to make sure to provide these requirements.
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The emulated shell has a `hello.asm` file in its mounted filesystem that is
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ready to compile. It has two file handles 0 and 1, mapped to blk IDs 1 and 2.
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We will open our source file in handle 0 and our dest file in handle 1. Then,
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with the power of the `fs` module's autoloader, we'll load our newly compiled
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file and execute it!
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Collapse OS
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> fnew 1 dest ; create destination file
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> fopen 0 hello.asm ; open source file in handle 0
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> fopen 1 dest ; open dest binary in handle 1
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> zasm 1 2 ; assemble source file into binary file
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> dest ; call newly compiled file
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Assembled from the shell
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> ; Awesome!
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