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Overhauled SB DSP IRQ's and masking and also how it attaches to the MPU-401, fixes IBM OS/2 2.11 among other things.

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This commit is contained in:
OBattler
2020-04-12 00:18:55 +02:00
parent ac5a993b3f
commit 28115c4650
6 changed files with 219 additions and 116 deletions
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9
src/include/86box/snd_sb_dsp.h
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@@ -62,8 +62,8 @@ typedef struct sb_dsp_t
uint8_t sb_test;
int sb_timei, sb_timeo;
int sb_irq8, sb_irq16;
int sb_irqm8, sb_irqm16;
int sb_irq8, sb_irq16, sb_irq401;
int sb_irqm8, sb_irqm16, sb_irqm401;
uint8_t sb_asp_regs[256];
@@ -91,6 +91,8 @@ typedef struct sb_dsp_t
int pos;
uint8_t azt_eeprom[AZTECH_EEPROM_SIZE]; /* the eeprom in the Aztech cards is attached to the DSP */
mpu_t *mpu;
} sb_dsp_t;
@@ -98,7 +100,7 @@ void sb_dsp_input_msg(void *p, uint8_t *msg);
int sb_dsp_input_sysex(void *p, uint8_t *buffer, uint32_t len, int abort);
void sb_dsp_set_mpu(mpu_t *src_mpu);
void sb_dsp_set_mpu(sb_dsp_t *dsp, mpu_t *src_mpu);
void sb_dsp_init(sb_dsp_t *dsp, int type, int subtype, void *parent);
void sb_dsp_close(sb_dsp_t *dsp);
@@ -115,5 +117,6 @@ void sb_dsp_poll(sb_dsp_t *dsp, int16_t *l, int16_t *r);
void sb_dsp_set_stereo(sb_dsp_t *dsp, int stereo);
void sb_dsp_update(sb_dsp_t *dsp);
void sb_update_irq(sb_dsp_t *dsp);
#endif /* SOUND_SND_SB_DSP_H */