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36 lines
1.0 KiB
Markdown
36 lines
1.0 KiB
Markdown
# Running Collapse OS on an emulator
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The quickest way to give Collapse OS a whirl is to use `tools/emul` which is
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built around [libz80][libz80]. Everything is set up, you just have to run
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`make`, then `shell/shell`.
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To emulate something at a lower level, I recommend using Alan Cox's [RC2014
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emulator][rc2014-emul]. It runs Collapse OS fine but you have to write the
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glue code yourself. One caveat, also, is that it requires a ROM image bigger
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than 8K, so you have to pad the binary.
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A working Makefile for a project with a glue code being called `main.asm` could
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look like:
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TARGET = os.bin
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ZASM = ~/collapseos/tools/emul/zasm/zasm
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ROM = os.rom
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.PHONY: all
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all: $(ROM)
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$(TARGET): main.asm
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$(ZASM) < $< > $@
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$(ROM): $(TARGET)
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cp $< $@
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dd if=/dev/null of=$@ bs=1 count=1 seek=8192
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.PHONY: run
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run: $(ROM)
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~/RC2014/rc2014 -r $(ROM)
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`CTRL+\` stops the emulation.
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[libz80]: https://github.com/ggambetta/libz80
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[rc2014-emul]: https://github.com/EtchedPixels/RC2014
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