35 lines
1.4 KiB
Markdown
35 lines
1.4 KiB
Markdown
|
---------------------------------------------------------------
|
||
|
|
I'm exploring some things around the VM implementation and
|
||
|
|
tooling; this directory contains the relevant files for this.
|
||
|
|
|
||
|
|
Things I'm working on in this:
|
||
|
|
|
||
|
|
[x] Single file implementation
|
||
|
|
[x] Modular I/O (enable/disable at compile time)
|
||
|
|
[x] Faster opcode processing
|
||
|
|
[x] Removal of image saving from the C sources
|
||
|
|
[x] Building extended image w/o retro-extend in C
|
||
|
|
[x] Assemble new image w/o retro-muri in C
|
||
|
|
[ ] Support for embedding device words in the C source
|
||
|
|
[ ] Embed image in the C source using tool written in Retro
|
||
|
|
|
||
|
|
Notes: this requires an external image. One is provided.
|
||
|
|
---------------------------------------------------------------
|
||
|
|
Specifics:
|
||
|
|
|
||
|
|
Retro's build process is a little messy. We first compile the
|
||
|
|
assembler, then retro-extend (which is an Nga-in-C, with a
|
||
|
|
reduced set of I/O). These are used to assemble the kernel,
|
||
|
|
merge in the stdlib and any device words, then the VM is
|
||
|
|
compiled, user-level additions are added to a new image, and
|
||
|
|
then the source is updated before being rebuilt.
|
||
|
|
|
||
|
|
In this, the VM is built, then is used to assemble and build a
|
||
|
|
new image, eliminating the need for separate retro-extend and
|
||
|
|
retro-muri binaries.
|
||
|
|
|
||
|
|
In the longer term, there is benefit to having a standalone
|
||
|
|
set of supporting tools, so I'm not going to eliminate them,
|
||
|
|
but using Retro itself for more is something worth doing IMO.
|
||
|
|
---------------------------------------------------------------
|