MML to Game Boy parser and driver
License: MIT License
A MML parser and GBDK sound driver for the Nintendo Game Boy.
In development. Most core functionality missing.
See wiki for instructions.
Bit 3 in NR43 defaults to off. Add macro for setting it on/off for more tone-y noise.
While trying to build the source files using the latest version of GBDK (4.1.1 as of writing this), I get the following error:
"at 1: error 131: cannot generate code for target 'gbz80'"
By changing "-mgbz80" to "-msm83 -D__PORT_sm83", I am able to produce the ASM files, but I get the following warnings:
Running compile.sh then produces a ROM file which upon opening, causing the driver to crash/hang. I believe this is an issue with the Makefile and not the engine itself, as I have been able to compile the same MML file using pre-built ASM files that were generated from (what appears to be) another version of GBDK or SDCC. The ROM plays back the music as normal using these pre-built files.
asm-pre-built.zip
Wave must be killed between updates to avoid wave data corruption.
Might produce weird artifacts.
Is there a way I could get a slightly detailed documentation about the music format used? My intent is writing a converter which translates Famitracker exports to binary data directly playable by your player.
Famitracker can be configured to use hardware simmilar to the GB so it could be a good way to compose music. You just use the two default square channels plus the noise channel, the configure a special mapper which adds a wavetable-based channel.
I could write a famitracker export -> MML converter, then use your converter to generate the binaries, but I think it would be better to have a direct method to generate the streams.
Cheers, and keep up the good work!
Allow ties not following a note command, e.g.
v14 c4 v7 ^8
Should translate to
v14 c4 v7 w8
Please add an example .mml file for testing.
Similar to: http://famitracker.com/wiki/index.php?title=Pxx
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