Modules/psg

psg

Code: psg.h

Category: Audio

Dependencies: None

Samples:

• s_psg
• s_vgm
• s_lvgm

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The psg module provides direct access to the functions of the PSG sound processor (AY-3-8910, YM2149 or T7766A).

Usage

To use this module, include "psg.h" in your source code, and add "psg" to the modules list (LibModules) in your project's configuration file (project_config.js).

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Samples

See module use cases in the sample programs:

• s_psg
• s_vgm
• s_lvgm

Settings

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Library configuration (msxgl_config.h):

// PSG options
// - PSG_INTERNAL ................. Use internal PSG chip (port A0-A2)
// - PSG_EXTERNAL ................. Use external PSG chip (port 10-12)
// - PSG_BOTH ..................... Use both internal and external PSG chips
#define PSG_CHIP					PSG_INTERNAL
// - PSG_DIRECT ................... Function set directly the PSG registers
// - PSG_INDIRECT ................. Function set a buffer (Apply() function must be call once a frame)
#define PSG_ACCESS					PSG_INDIRECT
#define PSG_USE_NOTES				FALSE	// Add notes table to convert note to tone
#define PSG_USE_EXTRA				TRUE	// Add helper functions to handle PSG settings
#define PSG_USE_RESUME

Dependencies

Dependency on other modules: None