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/*
* 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 */
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