dsp.asm

linux下的任天堂模拟器代码。供大家参考。

      keyoffm 6
.TestVoice7
      test al,128
      jz .TestVoice8
      keyoffm 7
.TestVoice8
      mov [DSPMem+05Ch],al
      ret

NEWSYM WDSPReg5D       ; Voice  5
      mov [DSPMem+05Dh],al
      ret

NEWSYM WDSPReg5E       ; Voice  5
      mov [DSPMem+05Eh],al
      ret

NEWSYM WDSPReg5F       ; Voice  5  Echo coefficient
      mov [DSPMem+05Fh],al
      push eax
      movsx eax,al
      mov [FIRTAPVal5],eax
      pop eax
      ret

NEWSYM WDSPReg60       ; Voice  6  Volume Left
      mov [DSPMem+60h],al
      ret

NEWSYM WDSPReg61       ; Voice  6  Volume Right
      mov [DSPMem+61h],al
      ret

NEWSYM WDSPReg62       ; Voice  6  Pitch Low
      mov [DSPMem+062h],al
      ret

NEWSYM WDSPReg63       ; Voice  6  Pitch High
      mov [DSPMem+063h],al
      ret

NEWSYM WDSPReg64       ; Voice  6  SCRN
      mov [DSPMem+64h],al
      ret

NEWSYM WDSPReg65       ; Voice  6  ADSR (1)
      VoiceAdsr 6
      ret

NEWSYM WDSPReg66       ; Voice  6  ADSR (2)
      VoiceAdsr2 6
      ret

NEWSYM WDSPReg67       ; Voice  6  GAIN
      VoiceGain 6
      ret

NEWSYM WDSPReg68       ; Voice  6  ENVX
      mov [DSPMem+068h],al
      ret

NEWSYM WDSPReg69       ; Voice  6  OUTX
      mov [DSPMem+069h],al
      ret

NEWSYM WDSPReg6A       ; Voice  6
      mov [DSPMem+06Ah],al
      ret

NEWSYM WDSPReg6B       ; Voice  6
      mov [DSPMem+06Bh],al
      ret

NEWSYM WDSPReg6C       ; Voice  6
      mov [DSPMem+06Ch],al
      and byte[DSPMem+06Ch],7Fh
      test al,0C0h
      jz .NoRes2
      mov byte[Voice0Status],0
      mov byte[Voice1Status],0
      mov byte[Voice2Status],0
      mov byte[Voice3Status],0
      mov byte[Voice4Status],0
      mov byte[Voice5Status],0
      mov byte[Voice6Status],0
      mov byte[Voice7Status],0
.NoRes2
      push eax
      push ebx
      push ecx
      push edx
      and eax,1Fh
      xor edx,edx
      mov eax,[NoiseSpeeds+eax*4]
      Mul dword[dspPAdj]
      ShrD EAX, EDX, 17
      mov [NoiseInc],eax
      pop edx
      pop ecx
      pop ebx
      pop eax
      ret

NEWSYM WDSPReg6D       ; Voice  6
      mov [DSPMem+06Dh],al
      ret

NEWSYM WDSPReg6E       ; Voice  6
      mov [DSPMem+06Eh],al
      ret

NEWSYM WDSPReg6F       ; Voice  6  Echo coefficient
      mov [DSPMem+06Fh],al
      push eax
      movsx eax,al
      mov [FIRTAPVal6],eax
      pop eax
      ret

NEWSYM WDSPReg70       ; Voice  7  Volume Left
      mov [DSPMem+70h],al
      ret

NEWSYM WDSPReg71       ; Voice  7  Volume Right
      mov [DSPMem+71h],al
      ret

NEWSYM WDSPReg72       ; Voice  7  Pitch Low
      mov [DSPMem+072h],al
      ret

NEWSYM WDSPReg73       ; Voice  7  Pitch High
      mov [DSPMem+073h],al
      ret

NEWSYM WDSPReg74       ; Voice  7  SCRN
      mov [DSPMem+74h],al
      ret

NEWSYM WDSPReg75       ; Voice  7  ADSR (1)
      VoiceAdsr 7
      ret

NEWSYM WDSPReg76       ; Voice  7  ADSR (2)
      VoiceAdsr2 7
      ret

NEWSYM WDSPReg77       ; Voice  7  GAIN
      VoiceGain 7
      ret

NEWSYM WDSPReg78       ; Voice  7  ENVX
      mov [DSPMem+078h],al
      ret

NEWSYM WDSPReg79       ; Voice  7  OUTX
      mov [DSPMem+079h],al
      ret

NEWSYM WDSPReg7A       ; Voice  7
      mov [DSPMem+07Ah],al
      ret

NEWSYM WDSPReg7B       ; Voice  7
      mov [DSPMem+07Bh],al
      ret

NEWSYM WDSPReg7C       ; ENDX
      mov byte[DSPMem+07Ch],0
      ret

NEWSYM WDSPReg7D       ; Echo Delay
      mov [DSPMem+07Dh],al
      push ebx
      mov ebx,eax
      and ebx,0Fh
      mov ebx,[EchoRate+ebx*4]
      mov [MaxEcho],ebx
      pop ebx
      ret

NEWSYM WDSPReg7E       ; Voice  7
      mov [DSPMem+07Eh],al
      ret

NEWSYM WDSPReg7F       ; Voice  7  Echo coefficient
      mov [DSPMem+07Fh],al
      push eax
      movsx eax,al
      mov [FIRTAPVal7],eax
      pop eax
      ret

NEWSYM WDSPReg80       ;
      mov [DSPMem+080h],al
      ret

NEWSYM WDSPReg81       ;
      mov [DSPMem+081h],al
      ret

NEWSYM WDSPReg82       ;
      mov [DSPMem+082h],al
      ret

NEWSYM WDSPReg83       ;
      mov [DSPMem+083h],al
      ret

NEWSYM WDSPReg84       ;
      mov [DSPMem+084h],al
      ret

NEWSYM WDSPReg85       ;
      mov [DSPMem+085h],al
      ret

NEWSYM WDSPReg86       ;
      mov [DSPMem+086h],al
      ret

NEWSYM WDSPReg87       ;
      mov [DSPMem+087h],al
      ret

NEWSYM WDSPReg88       ;
      mov [DSPMem+088h],al
      ret

NEWSYM WDSPReg89       ;
      mov [DSPMem+089h],al
      ret

NEWSYM WDSPReg8A       ;
      mov [DSPMem+08Ah],al
      ret

NEWSYM WDSPReg8B       ;
      mov [DSPMem+08Bh],al
      ret

NEWSYM WDSPReg8C       ;
      mov [DSPMem+08Ch],al
      ret

NEWSYM WDSPReg8D       ;
      mov [DSPMem+08Dh],al
      ret

NEWSYM WDSPReg8E       ;
      mov [DSPMem+08Eh],al
      ret

NEWSYM WDSPReg8F       ;
      mov [DSPMem+08Fh],al
      ret

NEWSYM WDSPReg90       ;
      mov [DSPMem+090h],al
      ret

NEWSYM WDSPReg91       ;
      mov [DSPMem+091h],al
      ret

NEWSYM WDSPReg92       ;
      mov [DSPMem+092h],al
      ret

NEWSYM WDSPReg93       ;
      mov [DSPMem+093h],al
      ret

NEWSYM WDSPReg94       ;
      mov [DSPMem+094h],al
      ret

NEWSYM WDSPReg95       ;
      mov [DSPMem+095h],al
      ret

NEWSYM WDSPReg96       ;
      mov [DSPMem+096h],al
      ret

NEWSYM WDSPReg97       ;
      mov [DSPMem+097h],al
      ret

NEWSYM WDSPReg98       ;
      mov [DSPMem+098h],al
      ret

NEWSYM WDSPReg99       ;
      mov [DSPMem+099h],al
      ret

NEWSYM WDSPReg9A       ;
      mov [DSPMem+09Ah],al
      ret

NEWSYM WDSPReg9B       ;
      mov [DSPMem+09Bh],al
      ret

NEWSYM WDSPReg9C       ;
      mov [DSPMem+09Ch],al
      ret

NEWSYM WDSPReg9D       ;
      mov [DSPMem+09Dh],al
      ret

NEWSYM WDSPReg9E       ;
      mov [DSPMem+09Eh],al
      ret

NEWSYM WDSPReg9F       ;
      mov [DSPMem+09Fh],al
      ret

NEWSYM WDSPRegA0       ;
      mov [DSPMem+0A0h],al
      ret

NEWSYM WDSPRegA1       ;
      mov [DSPMem+0A1h],al
      ret

NEWSYM WDSPRegA2       ;
      mov [DSPMem+0A2h],al
      ret

NEWSYM WDSPRegA3       ;
      mov [DSPMem+0A3h],al
      ret

NEWSYM WDSPRegA4       ;
      mov [DSPMem+0A4h],al
      ret

NEWSYM WDSPRegA5       ;
      mov [DSPMem+0A5h],al
      ret

NEWSYM WDSPRegA6       ;
      mov [DSPMem+0A6h],al
      ret

NEWSYM WDSPRegA7       ;
      mov [DSPMem+0A7h],al
      ret

NEWSYM WDSPRegA8       ;
      mov [DSPMem+0A8h],al
      ret

NEWSYM WDSPRegA9       ;
      mov [DSPMem+0A9h],al
      ret

NEWSYM WDSPRegAA       ;
      mov [DSPMem+0AAh],al
      ret

NEWSYM WDSPRegAB       ;
      mov [DSPMem+0ABh],al
      ret

NEWSYM WDSPRegAC       ;
      mov [DSPMem+0ACh],al
      ret

NEWSYM WDSPRegAD       ;
      mov [DSPMem+0ADh],al
      ret

NEWSYM WDSPRegAE       ;
      mov [DSPMem+0AEh],al
      ret

NEWSYM WDSPRegAF       ;
      mov [DSPMem+0AFh],al
      ret

NEWSYM WDSPRegB0       ;
      mov [DSPMem+0B0h],al
      ret

NEWSYM WDSPRegB1       ;
      mov [DSPMem+0B1h],al
      ret

NEWSYM WDSPRegB2       ;
      mov [DSPMem+0B2h],al
      ret

NEWSYM WDSPRegB3       ;
      mov [DSPMem+0B3h],al
      ret

NEWSYM WDSPRegB4       ;
      mov [DSPMem+0B4h],al
      ret

NEWSYM WDSPRegB5       ;
      mov [DSPMem+0B5h],al
      ret

NEWSYM WDSPRegB6       ;
      mov [DSPMem+0B6h],al
      ret

NEWSYM WDSPRegB7       ;
      mov [DSPMem+0B7h],al
      ret

NEWSYM WDSPRegB8       ;
      mov [DSPMem+0B8h],al
      ret

NEWSYM WDSPRegB9       ;
      mov [DSPMem+0B9h],al
      ret

NEWSYM WDSPRegBA       ;
      mov [DSPMem+0BAh],al
      ret

NEWSYM WDSPRegBB       ;
      mov [DSPMem+0BBh],al
      ret

NEWSYM WDSPRegBC       ;
      mov [DSPMem+0BCh],al
      ret

NEWSYM WDSPRegBD       ;
      mov [DSPMem+0BDh],al
      ret

NEWSYM WDSPRegBE       ;
      mov [DSPMem+0BEh],al
      ret

NEWSYM WDSPRegBF       ;
      mov [DSPMem+0BFh],al
      ret

NEWSYM WDSPRegC0       ;
      mov [DSPMem+0C0h],al
      ret

NEWSYM WDSPRegC1       ;
      mov [DSPMem+0C1h],al
      ret

NEWSYM WDSPRegC2       ;
      mov [DSPMem+0C2h],al
      ret

NEWSYM WDSPRegC3       ;
      mov [DSPMem+0C3h],al
      ret

NEWSYM WDSPRegC4       ;
      mov [DSPMem+0C4h],al
      ret

NEWSYM WDSPRegC5       ;
      mov [DSPMem+0C5h],al
      ret

NEWSYM WDSPRegC6       ;
      mov [DSPMem+0C6h],al
      ret

NEWSYM WDSPRegC7       ;
      mov [DSPMem+0C7h],al
      ret

NEWSYM WDSPRegC8       ;
      mov [DSPMem+0C8h],al
      ret

NEWSYM WDSPRegC9       ;
      mov [DSPMem+0C9h],al
      ret

NEWSYM WDSPRegCA       ;
      mov [DSPMem+0CAh],al
      ret

NEWSYM WDSPRegCB       ;
      mov [DSPMem+0CBh],al
      ret

NEWSYM WDSPRegCC       ;
      mov [DSPMem+0CCh],al
      ret

NEWSYM WDSPRegCD       ;
      mov [DSPMem+0CDh],al
      ret

NEWSYM WDSPRegCE       ;
      mov [DSPMem+0CEh],al
      ret

NEWSYM WDSPRegCF       ;
      mov [DSPMem+0CFh],al
      ret

NEWSYM WDSPRegD0       ;
      mov [DSPMem+0D0h],al
      ret

NEWSYM WDSPRegD1       ;
      mov [DSPMem+0D1h],al
      ret

NEWSYM WDSPRegD2       ;
      mov [DSPMem+0D2h],al
      ret

NEWSYM WDSPRegD3       ;
      mov [DSPMem+0D3h],al
      ret

NEWSYM WDSPRegD4       ;
      mov [DSPMem+0D4h],al
      ret

NEWSYM WDSPRegD5       ;
      mov [DSPMem+0D5h],al
      ret

NEWSYM WDSPRegD6       ;
      mov [DSPMem+0D6h],al
      ret

NEWSYM WDSPRegD7       ;
      mov [DSPMem+0D7h],al
      ret

NEWSYM WDSPRegD8       ;
      mov [DSPMem+0D8h],al
      ret

NEWSYM WDSPRegD9       ;
      mov [DSPMem+0D9h],al
      ret

NEWSYM WDSPRegDA       ;
      mov [DSPMem+0DAh],al
      ret

NEWSYM WDSPRegDB       ;
      mov [DSPMem+0DBh],al
      ret

NEWSYM WDSPRegDC       ;
      mov [DSPMem+0DCh],al
      ret

NEWSYM WDSPRegDD       ;
      mov [DSPMem+0DDh],al
      ret

NEWSYM WDSPRegDE       ;
      mov [DSPMem+0DEh],al
      ret

NEWSYM WDSPRegDF       ;
      mov [DSPMem+0DFh],al
      ret

NEWSYM WDSPRegE0       ;
      mov [DSPMem+0E0h],al
      ret

NEWSYM WDSPRegE1       ;
      mov [DSPMem+0E1h],al
      ret

NEWSYM WDSPRegE2       ;
      mov [DSPMem+0E2h],al
      ret

NEWSYM WDSPRegE3       ;
      mov [DSPMem+0E3h],al
      ret

NEWSYM WDSPRegE4       ;
      mov [DSPMem+0E4h],al
      ret

NEWSYM WDSPRegE5       ;
      mov [DSPMem+0E5h],al
      ret

NEWSYM WDSPRegE6       ;
      mov [DSPMem+0E6h],al
      ret

NEWSYM WDSPRegE7       ;
      mov [DSPMem+0E7h],al
      ret

NEWSYM WDSPRegE8       ;
      mov [DSPMem+0E8h],al
      ret

NEWSYM WDSPRegE9       ;
      mov [DSPMem+0E9h],al
      ret

NEWSYM WDSPRegEA       ;
      mov [DSPMem+0EAh],al
      ret

NEWSYM WDSPRegEB       ;
      mov [DSPMem+0EBh],al
      ret

NEWSYM WDSPRegEC       ;
      mov [DSPMem+0ECh],al
      ret

NEWSYM WDSPRegED       ;
      mov [DSPMem+0EDh],al
      ret

NEWSYM WDSPRegEE       ;
      mov [DSPMem+0EEh],al
      ret

NEWSYM WDSPRegEF       ;
      mov [DSPMem+0EFh],al
      ret

NEWSYM WDSPRegF0       ;
      mov [DSPMem+0F0h],al
      ret

NEWSYM WDSPRegF1       ;
      mov [DSPMem+0F1h],al
      ret

NEWSYM WDSPRegF2       ;
      mov [DSPMem+0F2h],al
      ret

NEWSYM WDSPRegF3       ;
      mov [DSPMem+0F3h],al
      ret

NEWSYM WDSPRegF4       ;
      mov [DSPMem+0F4h],al
      ret

NEWSYM WDSPRegF5       ;
      mov [DSPMem+0F5h],al
      ret

NEWSYM WDSPRegF6       ;
      mov [DSPMem+0F6h],al
      ret

NEWSYM WDSPRegF7       ;
      mov [DSPMem+0F7h],al
      ret

NEWSYM WDSPRegF8       ;
      mov [DSPMem+0F8h],al
      ret

NEWSYM WDSPRegF9       ;
      mov [DSPMem+0F9h],al
      ret

NEWSYM WDSPRegFA       ;
      mov [DSPMem+0FAh],al
      ret

NEWSYM WDSPRegFB       ;
      mov [DSPMem+0FBh],al
      ret

NEWSYM WDSPRegFC       ;
      mov [DSPMem+0FCh],al
      ret

NEWSYM WDSPRegFD       ;
      mov [DSPMem+0FDh],al
      ret

NEWSYM WDSPRegFE       ;
      mov [DSPMem+0FEh],al
      ret

NEWSYM WDSPRegFF       ;
      mov [DSPMem+0FFh],al
      ret