shithub: rgbds

ref: a41bdff88f3a9315394fb3c4a39d0f4adf505492
dir: /src/asm/rgbasm.1/

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.Dd $Mdocdate$
.Dt RGBASM 1
.Os RGBDS Manual
.Sh NAME
.Nm rgbasm
.Nd Game Boy assembler
.Sh SYNOPSIS
.Nm rgbasm
.Op Fl v
.Op Fl h
.Op Fl b Ar chars
.Op Fl g Ar chars
.Op Fl i Ar path
.Op Fl o Ar outfile
.Op Fl p Ar pad_value
.Ar file
.Sh DESCRIPTION
The
.Nm
program creates an object file from an assembly source file.
Its arguments are as follows:
.Bl -tag -width Ds
.It Fl b Ar chars
Change the two characters used for binary constants.
The defaults are 01.
.It Fl g Ar chars
Change the four characters used for binary constants.
The defaults are 0123.
.It Fl h
By default,
.Nm
inserts a
.Sq nop
instruction immediately after any
.Sq halt
instruction.
The
.Fl h
option disables this behavior.
.It Fl i Ar path
Add an include path.
.It Fl o Ar outfile
Write an object file to the given filename.
.It Fl p Ar pad_value
When padding an image, pad with this value.
The default is 0x00.
.It Fl v
Be verbose.
.El
.Sh EXAMPLES
Assembling a basic source file is simple:
.Pp
.D1 $ rgbasm \-o bar.o foo.asm
.Pp
The resulting object file is not yet a usable ROM image \(em it must first be
run through
.Xr rgblink 1
and
.Xr rgbfix 1 .
.Sh SEE ALSO
.Xr rgbds 7 ,
.Xr rgbfix 1 ,
.Xr rgblib 1 ,
.Xr rgblink 1 ,
.Xr gbz80 7
.Sh HISTORY
.Nm
was originally written by Carsten S\(/orensen as part of the ASMotor package,
and was later packaged in RGBDS by Justin Lloyd.