--- a/src/audio/mint/SDL_mintaudiodma.h Mon Jul 07 19:16:03 2003 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,43 +0,0 @@
-/*
- * STE/TT 8 bits audio dma registers
- *
- * Patrice Mandin
- */
-
-#ifndef _SDL_mintdma_h
-#define _SDL_mintdma_h
-
-#define DMAAUDIO_IO_BASE (0xffff8900)
-struct DMAAUDIO_IO_S {
- unsigned char int_ctrl;
- unsigned char control;
-
- unsigned char dummy1;
- unsigned char start_high;
- unsigned char dummy2;
- unsigned char start_mid;
- unsigned char dummy3;
- unsigned char start_low;
-
- unsigned char dummy4;
- unsigned char cur_high;
- unsigned char dummy5;
- unsigned char cur_mid;
- unsigned char dummy6;
- unsigned char cur_low;
-
- unsigned char dummy7;
- unsigned char end_high;
- unsigned char dummy8;
- unsigned char end_mid;
- unsigned char dummy9;
- unsigned char end_low;
-
- unsigned char dummy10[12];
-
- unsigned char track_select; /* CODEC only */
- unsigned char mode;
-};
-#define DMAAUDIO_IO ((*(volatile struct DMAAUDIO_IO_S *)DMAAUDIO_IO_BASE))
-
-#endif /* _SDL_mintdma_h */
--- a/src/audio/mint/SDL_mintaudiogsxb.h Mon Jul 07 19:16:03 2003 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,85 +0,0 @@
-/*
- * GSXB audio definitions
- *
- * Patrice Mandin
- */
-
-#ifndef _SDL_mintgsxb_h
-#define _SDL_mintgsxb_h
-
-#include <mint/falcon.h> /* for trap_14_xxx macros */
-
-/* GSXB Cookie */
-
-#define C_GSXB 0x47535842L
-
-/* Bit 5 in cookie _SND */
-
-#define SND_GSXB (1<<5)
-
-/* NSoundcmd modes */
-
-#define SETRATE 7 /* Set sample rate */
-#define SET8BITFORMAT 8 /* 8 bits format */
-#define SET16BITFORMAT 9 /* 16 bits format */
-#define SET24BITFORMAT 10 /* 24 bits format */
-#define SET32BITFORMAT 11 /* 32 bits format */
-#define LTATTEN_MASTER 12 /* Attenuation */
-#define RTATTEN_MASTER 13
-#define LTATTEN_MICIN 14
-#define RTATTEN_MICIN 15
-#define LTATTEN_FMGEN 16
-#define RTATTEN_FMGEN 17
-#define LTATTEN_LINEIN 18
-#define RTATTEN_LINEIN 19
-#define LTATTEN_CDIN 20
-#define RTATTEN_CDIN 21
-#define LTATTEN_VIDIN 22
-#define RTATTEN_VIDIN 23
-#define LTATTEN_AUXIN 24
-#define RTATTEN_AUXIN 25
-
-/* Setmode modes */
-
-#define MONO16 3
-#define STEREO24 4
-#define STEREO32 5
-#define MONO24 6
-#define MONO32 7
-
-/* Sndstatus modes */
-
-#define SND_QUERYFORMATS 2
-#define SND_QUERYMIXERS 3
-#define SND_QUERYSOURCES 4
-#define SND_QUERYDUPLEX 5
-#define SND_QUERY8BIT 8
-#define SND_QUERY16BIT 9
-#define SND_QUERY24BIT 10
-#define SND_QUERY32BIT 11
-
-#define SND_FORMAT8 (1<<0)
-#define SND_FORMAT16 (1<<1)
-#define SND_FORMAT24 (1<<2)
-#define SND_FORMAT32 (1<<3)
-
-#define SND_FORMATSIGNED (1<<0)
-#define SND_FORMATUNSIGNED (1<<1)
-#define SND_FORMATBIGENDIAN (1<<2)
-#define SND_FORMATLITTLEENDIAN (1<<3)
-
-/* Devconnect prescalers */
-
-#define CLK_44K 1
-#define CLK_22K 3
-#define CLK_11K 7
-
-/* Extra xbios functions */
-
-#define NSoundcmd(mode,data,data2) \
- (long)trap_14_wwl((short)130,(short)(mode),(short)(data),(long)(data2))
-#define NSetinterrupt(src_inter,cause,inth_addr) \
- (long)trap_14_wwwl((short)135,(short)(src_inter),(short)(cause), \
- (long)(inth_addr))
-
-#endif /* _SDL_mintgsxb_h */
--- a/src/audio/mint/SDL_mintaudiointerrupt.S Mon Jul 07 19:16:03 2003 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,187 +0,0 @@
-/*
- * Audio interrupt routines
- *
- * Patrice Mandin
- */
-
- .text
-
- .globl _SDL_MintAudio_Callback
-
- .globl _SDL_MintAudio_IntDma
- .globl _SDL_MintAudio_IntXbios
- .globl _SDL_MintAudio_IntGsxb
-
- .globl _SDL_MintAudio_mutex
- .globl _SDL_MintAudio_audiobuf
- .globl _SDL_MintAudio_numbuf
- .globl _SDL_MintAudio_audiosize
-
-/*
- How it works:
- - Audio is playing buffer #0 (resp. #1)
- - We must calculate a sample in buffer #1 (resp. #0)
- so we first call the callback to do it
- - Then we swap the buffers
-*/
-
-/*--- DMA 8 bits interrupt vector ---*/
-
- .text
-_SDL_MintAudio_IntDma:
-
- /* Reenable interrupts, so other interrupts can work */
- movew #0x2300,sr
-
- /* Clear service bit, so other MFP interrupts can work */
- bclr #5,0xfffffa0f:w
-
- /* Check if we are not already running */
- tstw _SDL_MintAudio_mutex
- bnes intdma_end
- notw _SDL_MintAudio_mutex
-
- /* Swap buffers */
- moveml d0-d1/a0-a1,sp@-
-
- movel _SDL_MintAudio_numbuf,d0
- movel _SDL_MintAudio_audiobuf,d1
- eorl #1,d0
- beqs intdma_buffer0
- movel _SDL_MintAudio_audiobuf+4,d1
-intdma_buffer0:
- movel d0,_SDL_MintAudio_numbuf
-
- /* Callback */
- movel d1,sp@-
- jsr _SDL_MintAudio_Callback
- movel sp@+,d1
-
- /* Modify DMA addresses */
- lea 0xffff8900:w,a0
-
- moveb d1,a0@(0x07) /* Start address */
- rorl #8,d1
- moveb d1,a0@(0x05)
- rorl #8,d1
- moveb d1,a0@(0x03)
- swap d1
-
- addl _SDL_MintAudio_audiosize,d1
-
- moveb d1,a0@(0x13) /* End address */
- rorl #8,d1
- moveb d1,a0@(0x11)
- rorl #8,d1
- moveb d1,a0@(0x0f)
-
- moveml sp@+,d0-d1/a0-a1
-
- clrw _SDL_MintAudio_mutex
-intdma_end:
- rte
-
-/*--- Xbios interrupt vector ---*/
-
- .text
-_SDL_MintAudio_IntXbios:
-
- /* Reenable interrupts, so other interrupts can work */
- movew #0x2300,sr
-
- /* Clear service bit, so other MFP interrupts can work */
- bclr #5,0xfffffa0f:w
-
- /* Check if we are not already running */
- tstw _SDL_MintAudio_mutex
- bnes intxbios_end
- notw _SDL_MintAudio_mutex
-
- /* Swap buffers */
- moveml d0-d2/a0-a2,sp@-
-
- movel _SDL_MintAudio_numbuf,d0
- movel _SDL_MintAudio_audiobuf,a0
- eorl #1,d0
- beqs intxbios_buffer0
- movel _SDL_MintAudio_audiobuf+4,a0
-intxbios_buffer0:
- movel d0,_SDL_MintAudio_numbuf
-
- /* Callback */
- moveml a0,sp@-
- jsr _SDL_MintAudio_Callback
- moveml sp@+,a0
-
- /* Setbuffer xbios function */
- movel _SDL_MintAudio_audiosize,d1
- lea a0@(0,d1:l),a1
-
- movel a1,sp@-
- movel a0,sp@-
- clrw sp@-
- movew #131,sp@-
- trap #14
- lea sp@(12),sp
-
- moveml sp@+,d0-d2/a0-a2
-
- clrw _SDL_MintAudio_mutex
-intxbios_end:
- rte
-
-/*--- GSXB interrupt vector ---*/
-
- .text
-_SDL_MintAudio_IntGsxb:
-
- /* Check if we are not already running */
- tstw _SDL_MintAudio_mutex
- bnes intgsxb_end
- notw _SDL_MintAudio_mutex
-
- /* Swap buffers */
- moveml d0-d2/a0-a2,sp@-
-
- movel _SDL_MintAudio_numbuf,d0
- movel _SDL_MintAudio_audiobuf,a0
- eorl #1,d0
- beqs intgsxb_buffer0
- movel _SDL_MintAudio_audiobuf+4,a0
-intgsxb_buffer0:
- movel d0,_SDL_MintAudio_numbuf
-
- /* Callback */
- moveml a0,sp@-
- jsr _SDL_MintAudio_Callback
- moveml sp@+,a0
-
- /* Setbuffer xbios function */
- movel _SDL_MintAudio_audiosize,d1
- lea a0@(0,d1:l),a1
-
- movel a1,sp@-
- movel a0,sp@-
- clrw sp@-
- movew #131,sp@-
- trap #14
- lea sp@(12),sp
-
- moveml sp@+,d0-d2/a0-a2
-
- clrw _SDL_MintAudio_mutex
-intgsxb_end:
- rts
-
-/*--- Common variables ---*/
-
- .data
- .even
- .comm _SDL_MintAudio_mutex,4
- .even
- .comm _SDL_MintAudio_audiobuf,8
- .even
- .comm _SDL_MintAudio_numbuf,4
- .even
- .comm _SDL_MintAudio_audiosize,4
-
--- a/src/audio/mint/SDL_mintaudiointerrupt_s.h Mon Jul 07 19:16:03 2003 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,24 +0,0 @@
-/*
- * Audio interrupt
- *
- * Patrice Mandin
- */
-
-#ifndef _SDL_MINTAUDIOINTERRUPT_S_H_
-#define _SDL_MINTAUDIOINTERRUPT_S_H_
-
-#include "SDL_types.h"
-
-/* Variables */
-
-extern void *SDL_MintAudio_audiobuf[2]; /* Pointers to buffers */
-extern long SDL_MintAudio_audiosize; /* Length of audio buffer */
-extern long SDL_MintAudio_numbuf; /* Buffer to play */
-extern long SDL_MintAudio_mutex;
-
-/* Functions */
-void SDL_MintAudio_IntDma(void);
-void SDL_MintAudio_IntXbios(void);
-void SDL_MintAudio_IntGsxb(void);
-
-#endif /* _SDL_MINTAUDIOINTERRUPT_S_H_ */