/*

 * 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 */