1.8 KiB
Getting started
Hello world example
Save the following as hello_world.mfk
:
import stdio
void main(){
putstrz("hello world"z)
while(true){}
}
Compile it using the following commandline:
java -jar millfork.jar hello_world.mfk -o hello_world -t c64
Run the output executable (here using the VICE emulator):
x64 hello_world.prg
Basic command-line usage
The following options are obligatory when compiling your sources:
-
-o FILENAME
– specifies the base name for your output file, an appropriate file extension will be appended (prg
for Commodore,xex
for Atari computers,a2
for Apple,asm
for assembly output,lbl
for label file,inf
for BBC file metadata,dsk
for PC-88,tap
for ZX Spectrum,nes
for Famicom,bin
for Atari 2600) -
-t PLATFORM
– specifies the target platform. Each platform is defined in an.ini
file in the include directory. For the list of supported platforms, see Supported platforms
You may be also interested in the following:
-
-O
,-O2
,-O3
,-O4
– enable optimization (various levels) -
-finline
– automatically inline functions for better optimization -
-fipo
– enable interprocedural optimization -
-s
– additionally generate assembly output (if targeting Intel 8080, use--syntax=intel
or--syntax=zilog
to choose the preferred assembly syntax) -
-fsource-in-asm
– show original Millfork source in the assembly output -
-g
– additionally generate a label file, in format compatible with VICE emulator -
-r PROGRAM
– automatically launch given program after successful compilation -
-Wall
– enable all warnings -
--help
– list all commandline options
For the comprehensive list of command-line options, see Command-line options.