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Update README.md and Makefile

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Daniele Verducci
2025-02-14 09:30:54 +01:00
parent 24158df261
commit 169ea2a292
2 changed files with 10 additions and 4 deletions
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4
README.md
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@@ -35,8 +35,8 @@ There is an experimental and unfinished quick load function using a python termi
![Pat80 Memory Monitor](/assets/media/photos/memory_monitor.jpg)
## Emulator
The pat80 memory monitor (the os) can be run in a z80 emulator. This repository contains an emulator as submodule, already set up to run the os.
To try it, head to `pat80-computer/software/z80-assembly/os/` and run `make run` to build the rom from assembly and start the emulator. You will see some windows showing the emulated computer's memory and register status and the pat80 memory monitor prompt.
The pat80 memory monitor (the os) can be run in a z80 emulator. You can find a very simple one I wrote ad hoc in `pat80-emulator`. It's based (and depends on) the excellent [Z80 emulator library by redcode](https://github.com/redcode/Z80). Follow the instructions on `pat80-emulator/README.md` to build and run it.
The emulator requires a rom file to run. To obtain a pat80 rom, head to `pat80-computer/software/z80-assembly/os/` and run `make run` to build the rom from assembly and start the emulator. You will see some windows showing the emulated computer's memory and register status and the pat80 memory monitor prompt.
![Emulator running Memory Monitor](/assets/media/photos/emulator.png)

10
pat80-computer/software/z80-assembly/os/Makefile
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@@ -1,3 +1,5 @@
PAT80_EMU_PATH := "../../../../pat80-emulator/build/pat80-emulator"
build:
@echo "Building PAT80 rom..."
@z80asm -i main.asm -o rom.bin || (exit 1)
@@ -13,5 +15,9 @@ write: build
@minipro -w rom.bin -p "AT28C64B"
run: build
@echo "Starting emulator..."
@../../../../pat80-emulator/z80-python-emulator/src/z80sbc.py -b rom.bin
@echo "Starting emulator" $(PAT80_EMU_PATH)
@if [ -f "$(PAT80_EMU_PATH)" ]; then\
"$(PAT80_EMU_PATH)" "rom.bin";\
else\
echo -e "\e[31mYou must build the emulator first. Check pat80-emulator/README.md\e[0m";\
fi