src/dsp.h

   1 //
   2 // dsp.h
   3 //
   4
   5 #ifndef __DSP_H__
   6 #define __DSP_H__
   7
   8 #include "memory.h"
   9
  10 #define DSP_CONTROL_RAM_BASE    0x00F1A100
  11 #define DSP_WORK_RAM_BASE               0x00F1B000
  12
  13 void DSPInit(void);
  14 void DSPReset(void);
  15 void DSPExec(int32_t);
  16 void DSPDone(void);
  17 void DSPUpdateRegisterBanks(void);
  18 void DSPHandleIRQs(void);
  19 void DSPSetIRQLine(int irqline, int state);
  20 uint8_t DSPReadByte(uint32_t offset, uint32_t who = UNKNOWN);
  21 uint16_t DSPReadWord(uint32_t offset, uint32_t who = UNKNOWN);
  22 uint32_t DSPReadLong(uint32_t offset, uint32_t who = UNKNOWN);
  23 void DSPWriteByte(uint32_t offset, uint8_t data, uint32_t who = UNKNOWN);
  24 void DSPWriteWord(uint32_t offset, uint16_t data, uint32_t who = UNKNOWN);
  25 void DSPWriteLong(uint32_t offset, uint32_t data, uint32_t who = UNKNOWN);
  26 void DSPReleaseTimeslice(void);
  27 bool DSPIsRunning(void);
  28
  29 void DSPExecP(int32_t cycles);
  30 void DSPExecP2(int32_t cycles);
  31 //void DSPExecP3(int32_t cycles);
  32 void DSPExecComp(int32_t cycles);
  33
  34 // Exported vars
  35
  36 extern bool doDSPDis;
  37 extern uint32_t dsp_reg_bank_0[], dsp_reg_bank_1[];
  38
  39 // DSP interrupt numbers (in $F1A100, bits 4-8 & 16)
  40
  41 enum { DSPIRQ_CPU = 0, DSPIRQ_SSI, DSPIRQ_TIMER0, DSPIRQ_TIMER1, DSPIRQ_EXT0, DSPIRQ_EXT1 };
  42
  43 #endif  // __DSP_H__