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Diffstat (limited to 'src/hw/audio/gustate.h')
| -rw-r--r-- | src/hw/audio/gustate.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/hw/audio/gustate.h b/src/hw/audio/gustate.h new file mode 100644 index 0000000..ece903a --- /dev/null +++ b/src/hw/audio/gustate.h @@ -0,0 +1,132 @@ +/* + * GUSEMU32 - persistent GUS register state + * + * Copyright (C) 2000-2007 Tibor "TS" Schütz + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef GUSTATE_H +#define GUSTATE_H + +/*state block offset*/ +#define gusdata (0) + +/* data stored using this structure is in host byte order! */ + +/*access type*/ +#define PortRead (0) +#define PortWrite (1) + +#define Port8Bitacc (0) +#define Port16Bitacc (1) + +/*voice register offsets (in bytes)*/ +#define VSRegs (0) +#define VSRControl (0) +#define VSRegsEnd (VSRControl+VSRegs + 32*(16*2)) +#define VSRFreq (2) +#define VSRLoopStartHi (4) +#define VSRLoopStartLo (6) +#define VSRLoopEndHi (8) +#define VSRLoopEndLo (10) +#define VSRVolRampRate (12) +#define VSRVolRampStartVol (14) +#define VSRVolRampEndVol (16) +#define VSRCurrVol (18) +#define VSRCurrPosHi (20) +#define VSRCurrPosLo (22) +#define VSRPanning (24) +#define VSRVolRampControl (26) + +/*voice register offsets (in words)*/ +#define wVSRegs (0) +#define wVSRControl (0) +#define wVSRegsEnd (wVSRControl+wVSRegs + 32*(16)) +#define wVSRFreq (1) +#define wVSRLoopStartHi (2) +#define wVSRLoopStartLo (3) +#define wVSRLoopEndHi (4) +#define wVSRLoopEndLo (5) +#define wVSRVolRampRate (6) +#define wVSRVolRampStartVol (7) +#define wVSRVolRampEndVol (8) +#define wVSRCurrVol (9) +#define wVSRCurrPosHi (10) +#define wVSRCurrPosLo (11) +#define wVSRPanning (12) +#define wVSRVolRampControl (13) + +/*GUS register state block: 32 voices, padding filled with remaining registers*/ +#define DataRegLoByte3x4 (VSRVolRampControl+2) +#define DataRegWord3x4 (DataRegLoByte3x4) +#define DataRegHiByte3x5 (VSRVolRampControl+2 +1) +#define DMA_2xB (VSRVolRampControl+2+2) +#define IRQ_2xB (VSRVolRampControl+2+3) + +#define RegCtrl_2xF (VSRVolRampControl+2+(16*2)) +#define Jumper_2xB (VSRVolRampControl+2+(16*2)+1) +#define GUS42DMAStart (VSRVolRampControl+2+(16*2)+2) + +#define GUS43DRAMIOlo (VSRVolRampControl+2+(16*2)*2) +#define GUSDRAMPOS24bit (GUS43DRAMIOlo) +#define GUS44DRAMIOhi (VSRVolRampControl+2+(16*2)*2+2) + +#define voicewavetableirq (VSRVolRampControl+2+(16*2)*3) /* voice IRQ pseudoqueue: 1 bit per voice */ + +#define voicevolrampirq (VSRVolRampControl+2+(16*2)*4) /* voice IRQ pseudoqueue: 1 bit per voice */ + +#define startvoices (VSRVolRampControl+2+(16*2)*5) /* statistics / optimizations */ + +#define IRQStatReg2x6 (VSRVolRampControl+2+(16*2)*6) +#define TimerStatus2x8 (VSRVolRampControl+2+(16*2)*6+1) +#define TimerDataReg2x9 (VSRVolRampControl+2+(16*2)*6+2) +#define MixerCtrlReg2x0 (VSRVolRampControl+2+(16*2)*6+3) + +#define VoiceSelReg3x2 (VSRVolRampControl+2+(16*2)*7) +#define FunkSelReg3x3 (VSRVolRampControl+2+(16*2)*7+1) +#define AdLibStatus2x8 (VSRVolRampControl+2+(16*2)*7+2) +#define StatRead_2xF (VSRVolRampControl+2+(16*2)*7+3) + +#define GUS48SampSpeed (VSRVolRampControl+2+(16*2)*8) +#define GUS41DMACtrl (VSRVolRampControl+2+(16*2)*8+1) +#define GUS45TimerCtrl (VSRVolRampControl+2+(16*2)*8+2) +#define GUS46Counter1 (VSRVolRampControl+2+(16*2)*8+3) + +#define GUS47Counter2 (VSRVolRampControl+2+(16*2)*9) +#define GUS49SampCtrl (VSRVolRampControl+2+(16*2)*9+1) +#define GUS4cReset (VSRVolRampControl+2+(16*2)*9+2) +#define NumVoices (VSRVolRampControl+2+(16*2)*9+3) + +#define TimerIRQs (VSRVolRampControl+2+(16*2)*10) /* delayed IRQ, statistics */ +#define BusyTimerIRQs (VSRVolRampControl+2+(16*2)*10+2) /* delayed IRQ, statistics */ + +#define AdLibCommand2xA (VSRVolRampControl+2+(16*2)*11) +#define AdLibData2x9 (VSRVolRampControl+2+(16*2)*11+1) +#define SB2xCd (VSRVolRampControl+2+(16*2)*11+2) +#define SB2xE (VSRVolRampControl+2+(16*2)*11+3) + +#define SynVoiceIRQ8f (VSRVolRampControl+2+(16*2)*12) +#define GUS50DMAHigh (VSRVolRampControl+2+(16*2)*12+1) + +#define portaccesses (VSRegsEnd) /* statistics / suspend mode */ + +#define gusdataend (VSRegsEnd+4) + +#endif /* gustate.h */ |
