/* Hatari - ioMemTabFalcon.c This file is distributed under the GNU Public License, version 2 or at your option any later version. Read the file gpl.txt for details. Table with hardware IO handlers for the Falcon. */ const char IoMemTabFalc_rcsid[] = "Hatari $Id: ioMemTabFalcon.c,v 1.13 2007/04/02 22:35:15 thothy Exp $"; #include "main.h" #include "dmaSnd.h" #include "fdc.h" #include "ikbd.h" #include "ioMem.h" #include "ioMemTables.h" #include "joy.h" #include "mfp.h" #include "midi.h" #include "nvram.h" #include "psg.h" #include "rs232.h" #include "rtc.h" #include "video.h" #include "blitter.h" #include "falcon/videl.h" #if ENABLE_DSP_EMU #include "falcon/dsp.h" #endif /** * no DSP */ void IoMemTabFalcon_DSPnone(void (**readtab)(void), void (**writetab)(void)) { int i, offset; offset = 0xffa200 - 0xff8000; for (i = 0; i < 8; i++) { readtab[offset+i] = IoMem_ReadWithoutInterception; } readtab[offset+2] = IoMem_VoidRead; /* TODO: why this is needed */ for (i = 0; i < 8; i++) { writetab[offset+i] = IoMem_WriteWithoutInterception; } } /** * Just a temporary hack - some programs are polling on this register and * are expecting the handshake bit (#7) to change after a while... */ static void DSP_DummyHostCommand_ReadByte(void) { IoMem[0xffa201] ^= 0x80; } /** * Just a temporary hack - some programs are polling on this register and * are expecting some bits to change after a while... */ static void DSP_DummyInterruptStatus_ReadByte(void) { IoMem[0xffa202] ^= 0xff; } /** * dummy IO when DSP emulation is not enabled */ void IoMemTabFalcon_DSPdummy(void (**readtab)(void), void (**writetab)(void)) { int i, offset; offset = 0xffa200 - 0xff8000; readtab[offset+0] = IoMem_ReadWithoutInterception; readtab[offset+1] = DSP_DummyHostCommand_ReadByte; readtab[offset+2] = DSP_DummyInterruptStatus_ReadByte; for (i = 3; i < 8; i++) { readtab[offset+i] = IoMem_ReadWithoutInterception; } for (i = 0; i < 8; i++) { writetab[offset+i] = IoMem_WriteWithoutInterception; } } #if ENABLE_DSP_EMU /** * enable DSP emulation */ void IoMemTabFalcon_DSPemulation(void (**readtab)(void), void (**writetab)(void)) { int i, offset; offset = 0xffa200 - 0xff8000; for (i = 0; i < 8; i++) { readtab[offset+i] = DSP_HandleReadAccess; writetab[offset+i] = DSP_HandleWriteAccess; } } #endif /*-----------------------------------------------------------------------*/ /* List of functions to handle read/write hardware interceptions for a Falcon. Note: This is not working at all yet! */ const INTERCEPT_ACCESS_FUNC IoMemTable_Falcon[] = { { 0xff8000, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8001, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Memory configuration */ { 0xff8006, SIZE_WORD, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Falcon configuration */ { 0xff800C, SIZE_WORD, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8060, SIZE_LONG, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8200, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8201, SIZE_BYTE, IoMem_ReadWithoutInterception, Video_ScreenBaseSTE_WriteByte }, /* Video base high byte */ { 0xff8202, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8203, SIZE_BYTE, IoMem_ReadWithoutInterception, Video_ScreenBaseSTE_WriteByte }, /* Video base med byte */ { 0xff8204, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8205, SIZE_BYTE, Video_ScreenCounterHigh_ReadByte, Video_ScreenCounter_WriteByte }, { 0xff8206, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8207, SIZE_BYTE, Video_ScreenCounterMed_ReadByte, Video_ScreenCounter_WriteByte }, { 0xff8208, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8209, SIZE_BYTE, Video_ScreenCounterLow_ReadByte, Video_ScreenCounter_WriteByte }, { 0xff820a, SIZE_BYTE, Video_Sync_ReadByte, Video_Sync_WriteByte }, { 0xff820b, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff820c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff820d, SIZE_BYTE, Video_BaseLow_ReadByte, IoMem_WriteWithoutInterception }, { 0xff820e, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Falcon line offset */ { 0xff820f, SIZE_BYTE, Video_LineWidth_ReadByte, Video_LineWidth_WriteByte }, { 0xff8210, SIZE_WORD, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Falcon line width */ { 0xff8212, 46, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8240, 32, IoMem_ReadWithoutInterception, VIDEL_ColorRegsWrite }, /* ST color regs */ { 0xff8260, SIZE_BYTE, Video_ShifterMode_ReadByte, Video_ShifterMode_WriteByte }, { 0xff8261, 3, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus errors here */ { 0xff8264, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Falcon horizontal fine scrolling high ? */ { 0xff8265, SIZE_BYTE, Video_HorScroll_Read, Video_HorScroll_Write }, /* horizontal fine scrolling */ { 0xff8266, SIZE_WORD, IoMem_ReadWithoutInterception, VIDEL_ShiftModeWriteWord }, /* Falcon shift mode */ { 0xff8268, 24, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus errors here */ { 0xff8280, 68, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* TODO: Falcon video */ { 0xff8604, SIZE_WORD, FDC_DiskControllerStatus_ReadWord, FDC_DiskController_WriteWord }, { 0xff8606, SIZE_WORD, FDC_DmaStatus_ReadWord, FDC_DmaModeControl_WriteWord }, { 0xff8608, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8609, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA base and counter high byte */ { 0xff860a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff860b, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA base and counter med byte */ { 0xff860c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff860d, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA base and counter low byte */ { 0xff860e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff860f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8800, SIZE_BYTE, PSG_SelectRegister_ReadByte, PSG_SelectRegister_WriteByte }, { 0xff8801, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, { 0xff8802, SIZE_BYTE, PSG_DataRegister_ReadByte, PSG_DataRegister_WriteByte }, { 0xff8803, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, { 0xff8900, SIZE_WORD, DmaSnd_SoundControl_ReadWord, DmaSnd_SoundControl_WriteWord }, /* DMA sound control */ { 0xff8902, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8903, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound frame start high */ { 0xff8904, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8905, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound frame start med */ { 0xff8906, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8907, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound frame start low */ { 0xff8908, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8909, SIZE_BYTE, DmaSnd_FrameCountHigh_ReadByte, IoMem_VoidWrite }, /* DMA sound frame count high */ { 0xff890a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff890b, SIZE_BYTE, DmaSnd_FrameCountMed_ReadByte, IoMem_VoidWrite }, /* DMA sound frame count med */ { 0xff890c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff890d, SIZE_BYTE, DmaSnd_FrameCountLow_ReadByte, IoMem_VoidWrite }, /* DMA sound frame count low */ { 0xff890e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff890f, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound frame end high */ { 0xff8910, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8911, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound frame end med */ { 0xff8912, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8913, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound frame end low */ { 0xff8920, SIZE_WORD, DmaSnd_SoundMode_ReadWord, DmaSnd_SoundMode_WriteWord }, /* DMA sound mode control */ { 0xff8922, SIZE_WORD, DmaSnd_MicrowireData_ReadWord, DmaSnd_MicrowireData_WriteWord }, /* Microwire data */ { 0xff8924, SIZE_WORD, DmaSnd_MicrowireMask_ReadWord, DmaSnd_MicrowireMask_WriteWord }, /* Microwire mask */ { 0xff8930, 0x14, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Falcon DMA sound / DSP */ { 0xff8960, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8961, SIZE_BYTE, NvRam_Select_ReadByte, NvRam_Select_WriteByte }, /* NVRAM/RTC chip */ { 0xff8962, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8963, SIZE_BYTE, NvRam_Data_ReadByte, NvRam_Data_WriteByte }, /* NVRAM/RTC chip */ { 0xff8a00, 32, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Blitter halftone RAM */ { 0xff8a20, SIZE_WORD, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Blitter source x increment */ { 0xff8a22, SIZE_WORD, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Blitter source y increment */ { 0xff8a24, SIZE_LONG, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Blitter source address */ { 0xff8a28, SIZE_WORD, Blitter_Endmask1_ReadWord, Blitter_Endmask1_WriteWord }, { 0xff8a2a, SIZE_WORD, Blitter_Endmask2_ReadWord, Blitter_Endmask2_WriteWord }, { 0xff8a2c, SIZE_WORD, Blitter_Endmask3_ReadWord, Blitter_Endmask3_WriteWord }, { 0xff8a2e, SIZE_WORD, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Blitter dest. x increment */ { 0xff8a30, SIZE_WORD, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Blitter dest. y increment */ { 0xff8a32, SIZE_LONG, Blitter_DestAddr_ReadLong, Blitter_DestAddr_WriteLong }, { 0xff8a36, SIZE_WORD, Blitter_WordsPerLine_ReadWord, Blitter_WordsPerLine_WriteWord }, { 0xff8a38, SIZE_WORD, Blitter_LinesPerBitblock_ReadWord, Blitter_LinesPerBitblock_WriteWord }, { 0xff8a3a, SIZE_BYTE, Blitter_HalftoneOp_ReadByte, Blitter_HalftoneOp_WriteByte }, { 0xff8a3b, SIZE_BYTE, Blitter_LogOp_ReadByte, Blitter_LogOp_WriteByte }, { 0xff8a3c, SIZE_BYTE, Blitter_Control_ReadByte, Blitter_Control_WriteByte }, { 0xff8a3d, SIZE_BYTE, Blitter_Skew_ReadByte, Blitter_Skew_WriteByte }, { 0xff8a3e, SIZE_WORD, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff8c80, 8, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* TODO: SCC */ { 0xff9200, SIZE_WORD, Joy_StePadButtons_ReadWord, IoMem_WriteWithoutInterception }, /* Joypad fire buttons */ { 0xff9202, SIZE_WORD, Joy_StePadMulti_ReadWord, Joy_StePadMulti_WriteWord }, /* Joypad directions/buttons/selection */ { 0xff9210, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff9211, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 0 X position (?) */ { 0xff9212, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff9213, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 0 Y position (?) */ { 0xff9214, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff9215, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 1 X position (?) */ { 0xff9216, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xff9217, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 1 Y position (?) */ { 0xff9220, SIZE_WORD, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Lightpen X position */ { 0xff9222, SIZE_WORD, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Lightpen Y position */ { 0xff9800, 0x400, IoMem_ReadWithoutInterception, VIDEL_ColorRegsWrite }, /* Falcon Videl palette */ { 0xfffa00, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa01, SIZE_BYTE, MFP_GPIP_ReadByte, MFP_GPIP_WriteByte }, { 0xfffa02, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa03, SIZE_BYTE, MFP_ActiveEdge_ReadByte, MFP_ActiveEdge_WriteByte }, { 0xfffa04, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa05, SIZE_BYTE, MFP_DataDirection_ReadByte, MFP_DataDirection_WriteByte }, { 0xfffa06, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa07, SIZE_BYTE, MFP_EnableA_ReadByte, MFP_EnableA_WriteByte }, { 0xfffa08, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa09, SIZE_BYTE, MFP_EnableB_ReadByte, MFP_EnableB_WriteByte }, { 0xfffa0a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa0b, SIZE_BYTE, MFP_PendingA_ReadByte, MFP_PendingA_WriteByte }, { 0xfffa0c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa0d, SIZE_BYTE, MFP_PendingB_ReadByte, MFP_PendingB_WriteByte }, { 0xfffa0e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa0f, SIZE_BYTE, MFP_InServiceA_ReadByte, MFP_InServiceA_WriteByte }, { 0xfffa10, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa11, SIZE_BYTE, MFP_InServiceB_ReadByte, MFP_InServiceB_WriteByte }, { 0xfffa12, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa13, SIZE_BYTE, MFP_MaskA_ReadByte, MFP_MaskA_WriteByte }, { 0xfffa14, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa15, SIZE_BYTE, MFP_MaskB_ReadByte, MFP_MaskB_WriteByte }, { 0xfffa16, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa17, SIZE_BYTE, MFP_VectorReg_ReadByte, MFP_VectorReg_WriteByte }, { 0xfffa18, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa19, SIZE_BYTE, MFP_TimerACtrl_ReadByte, MFP_TimerACtrl_WriteByte }, { 0xfffa1a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa1b, SIZE_BYTE, MFP_TimerBCtrl_ReadByte, MFP_TimerBCtrl_WriteByte }, { 0xfffa1c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa1d, SIZE_BYTE, MFP_TimerCDCtrl_ReadByte, MFP_TimerCDCtrl_WriteByte }, { 0xfffa1e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa1f, SIZE_BYTE, MFP_TimerAData_ReadByte, MFP_TimerAData_WriteByte }, { 0xfffa20, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa21, SIZE_BYTE, MFP_TimerBData_ReadByte, MFP_TimerBData_WriteByte }, { 0xfffa22, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa23, SIZE_BYTE, MFP_TimerCData_ReadByte, MFP_TimerCData_WriteByte }, { 0xfffa24, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa25, SIZE_BYTE, MFP_TimerDData_ReadByte, MFP_TimerDData_WriteByte }, { 0xfffa26, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa27, SIZE_BYTE, RS232_SCR_ReadByte, RS232_SCR_WriteByte }, /* Sync character register */ { 0xfffa28, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa29, SIZE_BYTE, RS232_UCR_ReadByte, RS232_UCR_WriteByte }, /* USART control register */ { 0xfffa2a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa2b, SIZE_BYTE, RS232_RSR_ReadByte, RS232_RSR_WriteByte }, /* Receiver status register */ { 0xfffa2c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa2d, SIZE_BYTE, RS232_TSR_ReadByte, RS232_TSR_WriteByte }, /* Transmitter status register */ { 0xfffa2e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffa2f, SIZE_BYTE, RS232_UDR_ReadByte, RS232_UDR_WriteByte }, /* USART data register */ { 0xfffc00, SIZE_BYTE, IKBD_KeyboardControl_ReadByte, IKBD_KeyboardControl_WriteByte }, { 0xfffc01, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffc02, SIZE_BYTE, IKBD_KeyboardData_ReadByte, IKBD_KeyboardData_WriteByte }, { 0xfffc03, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffc04, SIZE_BYTE, Midi_Control_ReadByte, Midi_Control_WriteByte }, { 0xfffc05, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */ { 0xfffc06, SIZE_BYTE, Midi_Data_ReadByte, Midi_Data_WriteByte }, { 0xfffc07, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus errors here */ { 0xffff82, SIZE_WORD, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus errors here */ { 0, 0, NULL, NULL } };