In 2001 I wrote a simple intro for NAAG, the now-defunct New Age Assembler Group that I was a member of.

This is a reimplementation in C of the original NAAG intro. 22 years later I really don't want to deal with Assembler anymore, but I still want to play around with MS-DOS and old demoscene stuff, and to contribute to the retro community.

The remake is mostly accurate with two exceptions: the scroller font and the light trajectory are different. The scroller text is kept original.

To compile NAAGTRO, use the DJGPP cross compiler. Enter the build directory, and run the following commands. Replace the path to DJGPP with your own.

naagtro > DJGPP_DIR=/home/mikolaj/local/opt/djgpp-12.1.0
naagtro > source ${DJGPP_DIR}/setenv
naagtro > mkdir build
naagtro > cd build

naagtro/build > cmake -D CMAKE_C_COMPILER=${DJGPP_DIR}/i586-pc-msdosdjgpp/bin/gcc ..
naagtro/build > make

1. I built naagtro.exe, what now?

   DJGPP generates code for protected mode so you need a DOS extender. Download CWSDPMI, unpack it and place CWSDPMI.exe in the build directory.

2. How do I run NAAGTRO in 2023 and beyond?

   If you don't have access to a DOS PC, use emulation, for example DOSBox. Personally for development purposes I switch between DOSBox and VirtualBox with Windows 98, and for running the final product I use a Pentium II system.

3. Why CMake, is that not overkill?

   No. CMake files are understood by IDEs, for example my personal favorite QtCreator.