This library contains utillity functions for development on Amiga operating system. My primary goal is to support Kickstart 1.2+. This library is intended for development on a raw Amiga without much support of the OS, so most of the functions can be used without any OS being available. Also the core utillity library is free of dependencies to standard C library functions. All features of the library have simple but fully working demonstration projects for use in ASM or in C/CPP.
These are examples for creating Amiga Projects using AmigaOS compiler from bebbo: https://github.com/bebbo/amiga-gcc
make binutils gcc gprof fd2sfd fd2pragma ira sfdc vasm vbcc vlink libnix libgcc clib2 ndk ndk13
The examples should run on any kickstartfrom 1.x up.
For using this package, you need either a Linux installation or under Windows using MSYS2 MSYS (not MingW).
The default prefix path for the toolchain is expected to be /opt/amiga/. If you have setup your toolchain in a different path, you may take a look into the tools directory and adjust the paths in amiga-env accordingly.
git clone https://github.com/skeetor/amiga-utils
export PATH=<MYPATH>/amiga-utils/tools:$PATH
. amiga-env
cd amiga-utils/utilslib
cmake . -Bbuild-release
cd build-release
make && make install
To also build all sample projects in one go, execute the following
cd amiga-utils/projects
cmake . -Bbuild-release
cd build-release
make
Now you will find the sample executables in amiga-utils/projects/build-release/bin and can be copied to an Amiga machine.
There will two libraries installed with utillity functions, usefull for common Amiga projects. Refer to the respective subdirectores/include files for more details.
This is a library with no external dependencies, so it can be linked to any project. Exported functions are also usable from a GCC project.
This is a library with a limited set of standard C functions, which is used to allow including c modules into the Utils library, without injecting a full C library. This is not supposed to be a full standard C library implementation and should not be linked if a C/CPP project is used as it is intended for pure ASM projects only.
This library provides tools which require a C runtime environment and thus can not be simply linked against a pure ASM project.
Now you can build the example projects below.
cd amiga-utils/projects/VasmGCC
cmake . -Bbuild-release
cd build-release
make
Have fun with assembler :-).
A sample project which is for pure assembly projects using VAsm. This project can not be mixed with C/C++ code, as it is a "bare-metal" project, having no crt startup code.
This project is a sample to show how to mix assembler and C/C++ objects in a single project (or by using a library). The assembler part is built as a seperate static library in CMake and linked to your executable, so you canuse the same approach for creatig asm libraries as well.
This project shows an example where you create a library with ASM modules and link them to your main executable.
The above examples should cover all common project szenarios.
A project which creates a very simple static copperlist.
A simple copperlist, where the copper is used to move a colorbar with the vertical blank interrupt. This project also shows how to take into account the difference between PAL and NTSC and how the copper has to be used when the extra lines of the PAL screen are to be used.
Demonstration for the 32 bit div/mult and printing formatted strings from ASM. The CPP project also includes a some performance comparison and selftest.
Demonstrates the usage of the ptplayer module for playing MOD soundfiles.
Project for testing and showing the usage of the zlib compression.
Help: -D CMAKE_FIND_DEBUG_MODE=ON
Compiling m68k-amigaos: make update make -j 4 binutils gcc vasm vbcc vlink libnix libgcc clib2 ndk ndk13
Demonstrates the usage of printing formatted strings.
Using and testing the memfill/memfillBlit funtions as well as showing performance stats. Also demonstrates how to do commandline parsing.
A tool to convert between PNG and Amiga Bitplane format in both directions, reduce colors and other features. This tool is also available for Windows and Linux. It is not recommended though to run it directly on the Amiga as it is REALLY painfully slow.
Convert the input PNG file to an Palette PNG with 32 colors.
ImageConvert -i tmp/green_orig.png -o tmp/green_orig_amiga.png --colors 32
Convert the input PNG file to an amiga bitplane format with a default of 5 bitplanes.
The bitplanes are stored one after the other.
ImageConvert -i tmp/green_orig.png -o amiga tmp/green_amiga.abpl
Convert the input PNG file to an amiga bitplane format with a default of 5 bitplanes.
The bitplanes are stored interleaved
ImageConvert -i tmp/green_orig.png -o amiga tmp/green_amiga.abpl --interleave
Convert the amiga bitplanefile to PNG.
ImageConvert -i amiga tmp/green_amiga.abpl -o tmp/green_from_amiga.png
Build on Windows:
cd amiga-utils/pctools
Doubleclick on AmigaTools.sln and build with Visual Studio (tested with 2019 Community Edition).
Build on Linux:
With CLion just point it to the amiga-utils directory and it will load the CMakeLists.txt file. Note that this will ONLY build the PC Tools and not the Amiga versions.
cd amiga-utils
cmake . -Bbuild-release
cd build-release
make
The tools works both as 32/64 bit builds.