mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-06-30 16:16:09 +02:00
181 lines
4.6 KiB
C
181 lines
4.6 KiB
C
/* Standard data types used */
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typedef unsigned char Bit8u;
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typedef signed char Bit8s;
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typedef unsigned short Bit16u;
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typedef signed short Bit16s;
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typedef unsigned long Bit32u;
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typedef signed long Bit32s;
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#if defined(_MSC_VER)
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typedef unsigned __int64 Bit64u;
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typedef signed __int64 Bit64s;
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#else
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typedef unsigned long long int Bit64u;
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typedef signed long long int Bit64s;
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#endif
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/* Setting up pointers to all subfunctions */
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#ifdef MODULE_WANT_IO_READ
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typedef Bit8u (* IO_ReadHandler)(Bit32u port);
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static void (* IO_RegisterReadHandler)(Bit32u port,IO_ReadHandler handler,char * name);
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static void (* IO_FreeReadHandler)(Bit32u port);
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#endif
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#ifdef MODULE_WANT_IO_WRITE
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typedef void (* IO_WriteHandler)(Bit32u port,Bit8u value);
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static void (* IO_RegisterWriteHandler)(Bit32u port,IO_WriteHandler handler,char * name);
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static void (* IO_FreeWriteHandler)(Bit32u port);
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#endif
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#ifdef MODULE_WANT_IRQ_EOI
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typedef void (* IRQ_EOIHandler)(void);
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static void (* IRQ_RegisterEOIHandler)(Bit32u irq,IRQ_EOIHandler handler,char * name);
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static void (* IRQ_FreeEOIHandler)(Bit32u irq);
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#endif
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#ifdef MODULE_WANT_IRQ
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static void (* IRQ_Activate)(Bit32u irq);
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static void (* IRQ_Deactivate)(Bit32u irq);
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#endif
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#ifdef MODULE_WANT_TIMER
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typedef void (* TIMER_MicroHandler)(void);
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static void (* TIMER_RegisterMicroHandler)(TIMER_MicroHandler handler,Bit32u micro);
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#endif
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#ifdef MODULE_WANT_TIMER_TICK
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typedef void (* TIMER_TickHandler)(Bit32u ticks);
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static void (* TIMER_RegisterTickHandler)(TIMER_TickHandler handler);
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#endif
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/*
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4 8-bit and 4 16-bit channels you can read data from
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16-bit reads are word sized
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*/
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#ifdef MODULE_WANT_DMA_READ
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static void (* DMA_8_Read)(Bit32u chan,Bit8u * data,Bit16u size);
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static void (* DMA_16_Read)(Bit32u chan,Bit8u * data,Bit16u size);
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#endif
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/*
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4 8-bit and 4 16-bit channels you can write data from
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16-bit writes are word sized
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*/
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#ifdef MODULE_WANT_DMA_READ
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static void (* DMA_8_Write)(Bit32u chan,Bit8u * data,Bit16u size);
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static void (* DMA_16_Write)(Bit32u chan,Bit8u * data,Bit16u size);
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#endif
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#ifdef MODULE_WANT_MIXER
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/* The len here means the amount of samples needed not the buffersize it needed to fill */
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typedef void (* MIXER_MixHandler)(Bit8u * sampdate,Bit32u len);
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/* Different types if modes a mixer channel can work in */
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#define MIXER_8MONO 0
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#define MIXER_8STEREO 1
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#define MIXER_16MONO 2
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#define MIXER_16STEREO 3
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struct MIXER_Channel;
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#define MAX_AUDIO ((1<<(16-1))-1)
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#define MIN_AUDIO -(1<<(16-1))
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MIXER_Channel *(* MIXER_AddChannel)(MIXER_MixHandler handler,Bit32u freq,char * name);
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void (* MIXER_SetVolume)(MIXER_Channel * chan,Bit8u vol);
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void (* MIXER_SetFreq)(MIXER_Channel * chan,Bit32u freq);
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void (* MIXER_SetMode)(MIXER_Channel * chan,Bit8u mode);
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void (* MIXER_Enable)(MIXER_Channel * chan,bool enable);
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#endif
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typedef bool (* MODULE_FindHandler)(char * name,void * * function);
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typedef char *(* MODULE_StartHandler)(MODULE_FindHandler find_handler);
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#define MODULE_START_PROC "ModuleStart"
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#ifdef MODULE_START_FUNCTION
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#include <stdio.h>
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#define GET_FUNCTION(a) \
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if (!find_handler(#a ,(void * *) &a)) { \
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return "Can't find requested function"; \
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};
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#if defined (WIN32)
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#include <windows.h>
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BOOL APIENTRY DllMain( HANDLE hModule,
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DWORD ul_reason_for_call,
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LPVOID lpReserved
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)
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{
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return TRUE;
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}
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extern "C" {
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__declspec(dllexport)
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#endif
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char * ModuleStart (MODULE_FindHandler find_handler) {
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#ifdef MODULE_WANT_IRQ_EOI
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GET_FUNCTION(IRQ_RegisterEOIHandler);
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GET_FUNCTION(IRQ_FreeEOIHandler);
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#endif
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#ifdef MODULE_WANT_IRQ
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GET_FUNCTION(IRQ_Activate);
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GET_FUNCTION(IRQ_Deactivate);
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#endif
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#ifdef MODULE_WANT_IO_READ
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GET_FUNCTION(IO_RegisterReadHandler);
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GET_FUNCTION(IO_FreeReadHandler);
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#endif
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#ifdef MODULE_WANT_IO_WRITE
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GET_FUNCTION(IO_RegisterWriteHandler);
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GET_FUNCTION(IO_FreeWriteHandler);
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#endif
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#ifdef MODULE_WANT_TIMER
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GET_FUNCTION(TIMER_RegisterMicroHandler);
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#endif
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#ifdef MODULE_WANT_TIMER_TICKS
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GET_FUNCTION(TIMER_RegisterTickHandler);
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#endif
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#ifdef MODULE_WANT_DMA_READ
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GET_FUNCTION(DMA_8_Read);
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GET_FUNCTION(DMA_16_Read);
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#endif
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#ifdef MODULE_WANT_DMA_WRITE
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GET_FUNCTION(DMA_8_Write);
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GET_FUNCTION(DMA_16_Write);
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#endif
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#ifdef MODULE_WANT_MIXER
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GET_FUNCTION(MIXER_AddChannel);
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GET_FUNCTION(MIXER_SetVolume);
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GET_FUNCTION(MIXER_SetFreq);
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GET_FUNCTION(MIXER_SetMode);
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GET_FUNCTION(MIXER_Enable);
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#endif
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return MODULE_START_FUNCTION;
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}
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#if defined (WIN32)
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}
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#endif
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#endif
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