l80 1.0.0
Intel 8080/Zilog Z80 linker.
To use this package, run the following command in your project's root directory:
Manual usage
Put the following dependency into your project's dependences section:
l80
l80
is an Intel 8080/Zilog Z80 linker for CP/M-80.
It reads in object files created by
a80
and produces executable CP/M-80 binaries from them.
Building
l80
should build with any
D
compiler for any supported platform. I use
GDC
on
OpenBSD
and that works well.
Running
usage: l80 file.com file1.obj [file2.obj ...]
All object files must end in .obj
or .lib
.
Object format
l80
uses the most simple object format I could devise.
Object files are comprised of control codes and data. There are three control codes:
00
: The following byte is literal data.01
: The following bytes are a symbol declaration.02
: The following bytes are a symbol reference.
l80
uses two passes to generate the final execuatable
binary. The first pass writes all object files and libraries
into a single buffer and then collects all the symbol
declarations and calculates the address of each symbol. The
second pass writes out the executable, replacing references
with the addresses calculated during the first pass.
Libraries are simply collections of object files. They can be created with the (upcoming!) ar80 tool.
Caveats
l80
does not recognize nor remove the code of unused
symbols. Doing so is planned.
Bugs
Probably lots. Test and let me know.
License
ISC License. See LICENSE
for details.
Note
This l80
is in no way related to the linker of the same
name produced by Microsoft, also for CP/M-80.
That one uses a very different file format.
- Registered by Brian Callahan
- 1.0.0 released 3 years ago
- ibara/l80
- ISC
- Copyright © 2021, Brian Callahan
- Authors:
- Dependencies:
- none
- Versions:
-
1.1.0 2021-Jun-09 1.0.0 2021-Jun-08 ~main 2021-Jun-27 - Download Stats:
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- Score:
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- Short URL:
- l80.dub.pm