mwemul.h File Reference

Detailed Description

STE sound emulator header.

Author:: Benjamin Gerard <ben@sashipa.com>

Date:: 1999/03/20

Id: mwemul.h,v 2.1 2003/10/11 04:40:25 benjihan Exp

#include "emu68/type68.h"

Go to the source code of this file.

Micro-Wire registers

#define MW_ACTI   0x01

Microwire enabled.

#define MW_BASH   0x03

Microwire sample start address, bit 16-23.

#define MW_BASM   (MW_BASH+2)

Microwire sample start address, bit 8-15.

#define MW_BASL   (MW_BASH+4)

Microwire sample start address, bit 0-7.

#define MW_CTH   0x09

Microwire sample counter, bit 16-23.

#define MW_CTM   (MW_CTH+2)

Microwire sample counter, bit 8-15.

#define MW_CTL   (MW_CTH+4)

Microwire sample counter, bit 0-7.

#define MW_ENDH   0x0f

Microwire sample end address, bit 16-23.

#define MW_ENDM   (MW_ENDH+2)

Microwire sample end address, bit 8-15.

#define MW_ENDL   (MW_ENDH+4)

Microwire sample end address, bit 0-7.

#define MW_MODE   0x21

Microwire playing mode.

#define MW_DATA   0x22

Microwire data register.

#define MW_CTRL   0x24

Microwire control register.

Initialization functions

unsigned int MW_sampling_rate (unsigned int f)

Set/Get sampling rate.

int MW_reset (void)

Micro-Wire hardware reset.

int MW_init (void)

Micro-Wire first one first initialization.

Emulation functions

void MW_mix (u32 *b, const u8 *mem68, int n)

Execute Micro-Wire emulation.

Micro-Wire LMC control functions

void MW_set_LMC_mixer (unsigned int n)

Set LMC mixer type.

void MW_set_LMC_master (unsigned int n)

Set LMC master volume.

void MW_set_LMC_left (unsigned int n)

Set LMC left channel volume.

void MW_set_LMC_right (unsigned int n)

Set LMC right channel volume.

void MW_set_LMC_high (unsigned int n)

Set high pass filter.

void MW_set_LMC_low (unsigned int n)

Set low pass filter.

Micro-Wire internal data

u8 mw [0x40]

Micro-Wire register array.

u32 mw_ct

DMA current location (8 bit fixed point).

u32 mw_end

DMA end point location (8 bit fixed point).