Annotation of hatari/src/ioMemTabTT.c, revision 1.1.1.9

1.1       root        1: /*
                      2:   Hatari - ioMemTabTT.c
                      3: 
1.1.1.8   root        4:   This file is distributed under the GNU General Public License, version 2
                      5:   or at your option any later version. Read the file gpl.txt for details.
1.1       root        6: 
                      7:   Table with hardware IO handlers for the TT.
1.1.1.9 ! root        8: 
        !             9:   NOTE [NP] : contrary to some unofficial documentations, the TT doesn't have
        !            10:   hardware scrolling similar to the STE. As such, registers FF820E,
        !            11:   FF820F, FF8264 and FF8265 are not available and seem to return undefined values
        !            12:   based on the data last seen on the bus (this would need more tests on a TT)
        !            13:        move.b $ff820e,d0  -> FF
        !            14:        move.b $ff820f,d0  -> 01
        !            15:        move.b $ff8264,d0  -> 82
        !            16:        move.b $ff8265,d0  -> 65
1.1       root       17: */
1.1.1.3   root       18: const char IoMemTabTT_fileid[] = "Hatari ioMemTabTT.c : " __DATE__ " " __TIME__;
1.1       root       19: 
                     20: #include "main.h"
                     21: #include "dmaSnd.h"
                     22: #include "fdc.h"
1.1.1.8   root       23: #include "acia.h"
1.1       root       24: #include "ioMem.h"
                     25: #include "ioMemTables.h"
                     26: #include "joy.h"
                     27: #include "mfp.h"
                     28: #include "midi.h"
                     29: #include "nvram.h"
                     30: #include "psg.h"
                     31: #include "rs232.h"
                     32: #include "rtc.h"
1.1.1.5   root       33: #include "screen.h"
1.1       root       34: #include "video.h"
                     35: #include "blitter.h"
                     36: 
                     37: 
                     38: /*-----------------------------------------------------------------------*/
                     39: /*
                     40:   List of functions to handle read/write hardware interceptions for a TT.
                     41:   Note: This is not very well tested yet!
                     42: */
                     43: const INTERCEPT_ACCESS_FUNC IoMemTable_TT[] =
                     44: {
                     45:        { 0xff8000, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     46:        { 0xff8001, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Memory configuration */
                     47:        { 0xff8002, 14,        IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus errors here */
                     48: 
                     49:        { 0xff8200, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     50:        { 0xff8201, SIZE_BYTE, IoMem_ReadWithoutInterception, Video_ScreenBaseSTE_WriteByte },  /* Video base high byte */
                     51:        { 0xff8202, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     52:        { 0xff8203, SIZE_BYTE, IoMem_ReadWithoutInterception, Video_ScreenBaseSTE_WriteByte },  /* Video base med byte */
                     53:        { 0xff8204, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     54:        { 0xff8205, SIZE_BYTE, Video_ScreenCounter_ReadByte, Video_ScreenCounter_WriteByte },
                     55:        { 0xff8206, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     56:        { 0xff8207, SIZE_BYTE, Video_ScreenCounter_ReadByte, Video_ScreenCounter_WriteByte },
                     57:        { 0xff8208, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     58:        { 0xff8209, SIZE_BYTE, Video_ScreenCounter_ReadByte, Video_ScreenCounter_WriteByte },
                     59:        { 0xff820a, SIZE_BYTE, Video_Sync_ReadByte, Video_Sync_WriteByte },
1.1.1.5   root       60:        { 0xff820b, SIZE_BYTE, IoMem_VoidRead_00, IoMem_VoidWrite },                            /* No bus error here : return 0 not ff */
                     61:        { 0xff820c, SIZE_BYTE, IoMem_VoidRead_00, IoMem_VoidWrite },                            /* No bus error here : return 0 not ff */
1.1.1.2   root       62:        { 0xff820d, SIZE_BYTE, Video_BaseLow_ReadByte, Video_ScreenBaseSTE_WriteByte },
1.1       root       63:        { 0xff820e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.9 ! root       64:        { 0xff820f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1       root       65:        { 0xff8240, 32, IoMem_ReadWithoutInterception, Video_TTColorSTRegs_WriteWord },         /* 16 TT ST-palette entries */
                     66:        { 0xff8260, SIZE_BYTE, Video_ShifterMode_ReadByte, Video_ShifterMode_WriteByte },
1.1.1.5   root       67:        { 0xff8261, SIZE_BYTE, IoMem_VoidRead_00, IoMem_VoidWrite },                            /* No bus errors here : return 0 not ff */
1.1       root       68:        { 0xff8262, SIZE_WORD, IoMem_ReadWithoutInterception, Video_TTShiftMode_WriteWord },    /* TT screen mode */
1.1.1.9 ! root       69:        { 0xff8264, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus errors here */
        !            70:        { 0xff8265, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus errors here */
1.1.1.5   root       71:        { 0xff8266, 26,        IoMem_VoidRead_00, IoMem_VoidWrite },                            /* No bus errors here : return 0 not ff */
1.1       root       72: 
                     73:        { 0xff8400, 512,       IoMem_ReadWithoutInterception, Video_TTColorRegs_WriteWord },    /* 256 TT palette entries */
                     74: 
                     75:        { 0xff8604, SIZE_WORD, FDC_DiskControllerStatus_ReadWord, FDC_DiskController_WriteWord },
                     76:        { 0xff8606, SIZE_WORD, FDC_DmaStatus_ReadWord, FDC_DmaModeControl_WriteWord },
                     77:        { 0xff8608, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.6   root       78:        { 0xff8609, SIZE_BYTE, FDC_DmaAddress_ReadByte, FDC_DmaAddress_WriteByte },             /* DMA base and counter high byte */
1.1       root       79:        { 0xff860a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.6   root       80:        { 0xff860b, SIZE_BYTE, FDC_DmaAddress_ReadByte, FDC_DmaAddress_WriteByte },             /* DMA base and counter med byte  */
1.1       root       81:        { 0xff860c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.6   root       82:        { 0xff860d, SIZE_BYTE, FDC_DmaAddress_ReadByte, FDC_DmaAddress_WriteByte },             /* DMA base and counter low byte  */
1.1       root       83:        { 0xff860e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     84:        { 0xff860f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                     85: 
1.1.1.7   root       86:        { 0xff8780, 16, IoMem_VoidRead_00, IoMem_WriteWithoutInterception },                    /* TT SCSI controller */
1.1       root       87: 
1.1.1.7   root       88:        { 0xff8800, SIZE_BYTE, PSG_ff8800_ReadByte, PSG_ff8800_WriteByte },
                     89:        { 0xff8801, SIZE_BYTE, PSG_ff880x_ReadByte, PSG_ff8801_WriteByte },
                     90:        { 0xff8802, SIZE_BYTE, PSG_ff880x_ReadByte, PSG_ff8802_WriteByte },
                     91:        { 0xff8803, SIZE_BYTE, PSG_ff880x_ReadByte, PSG_ff8803_WriteByte },
1.1       root       92: 
                     93:        { 0xff8900, SIZE_WORD, DmaSnd_SoundControl_ReadWord, DmaSnd_SoundControl_WriteWord },   /* DMA sound control */
                     94:        { 0xff8902, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root       95:        { 0xff8903, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameStartHigh_WriteByte },/* DMA sound frame start high */
1.1       root       96:        { 0xff8904, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root       97:        { 0xff8905, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameStartMed_WriteByte }, /* DMA sound frame start med */
1.1       root       98:        { 0xff8906, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root       99:        { 0xff8907, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameStartLow_WriteByte }, /* DMA sound frame start low */
1.1       root      100:        { 0xff8908, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root      101:        { 0xff8909, SIZE_BYTE, DmaSnd_FrameCountHigh_ReadByte, DmaSnd_FrameCountHigh_WriteByte },/* DMA sound frame count high */
1.1       root      102:        { 0xff890a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root      103:        { 0xff890b, SIZE_BYTE, DmaSnd_FrameCountMed_ReadByte, DmaSnd_FrameCountMed_WriteByte }, /* DMA sound frame count med */
1.1       root      104:        { 0xff890c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root      105:        { 0xff890d, SIZE_BYTE, DmaSnd_FrameCountLow_ReadByte, DmaSnd_FrameCountLow_WriteByte }, /* DMA sound frame count low */
1.1       root      106:        { 0xff890e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root      107:        { 0xff890f, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameEndHigh_WriteByte },  /* DMA sound frame end high */
1.1       root      108:        { 0xff8910, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root      109:        { 0xff8911, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameEndMed_WriteByte },   /* DMA sound frame end med */
1.1       root      110:        { 0xff8912, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1.1.5   root      111:        { 0xff8913, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameEndLow_WriteByte },   /* DMA sound frame end low */
1.1       root      112:        { 0xff8914, 12,        IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus errors here */
1.1.1.4   root      113:        { 0xff8920, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound mode control (contains 0) */
                    114:        { 0xff8921, SIZE_BYTE, DmaSnd_SoundModeCtrl_ReadByte, DmaSnd_SoundModeCtrl_WriteByte }, /* DMA sound mode control */
1.1       root      115:        { 0xff8922, SIZE_WORD, DmaSnd_MicrowireData_ReadWord, DmaSnd_MicrowireData_WriteWord }, /* Microwire data */
                    116:        { 0xff8924, SIZE_WORD, DmaSnd_MicrowireMask_ReadWord, DmaSnd_MicrowireMask_WriteWord }, /* Microwire mask */
                    117:        { 0xff8926, 26,        IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus errors here */
                    118: 
                    119:        { 0xff8961, SIZE_BYTE, NvRam_Select_ReadByte, NvRam_Select_WriteByte },                 /* NVRAM/RTC chip */
                    120:        { 0xff8963, SIZE_BYTE, NvRam_Data_ReadByte, NvRam_Data_WriteByte },                     /* NVRAM/RTC chip */
                    121: 
                    122:        /* Note: The TT does not have a blitter (0xff8a00 - 0xff8a3e) */
                    123: 
                    124:        //{ 0xff8c80, 8, IoMem_VoidRead, IoMem_WriteWithoutInterception },         /* SCC */
                    125: 
                    126:        { 0xff8e00, 16, IoMem_VoidRead, IoMem_WriteWithoutInterception },        /* VME Bus IO */
                    127: 
                    128:        { 0xff9000, SIZE_WORD, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                    129:        { 0xff9200, SIZE_WORD, Joy_StePadButtons_ReadWord, IoMem_WriteWithoutInterception },    /* Joypad fire buttons */
                    130:        { 0xff9202, SIZE_WORD, Joy_StePadMulti_ReadWord, Joy_StePadMulti_WriteWord },           /* Joypad directions/buttons/selection */
                    131:        { 0xff9211, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 0 X position (?) */
                    132:        { 0xff9213, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 0 Y position (?) */
                    133:        { 0xff9215, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 1 X position (?) */
                    134:        { 0xff9217, SIZE_BYTE, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Joypad 1 Y position (?) */
                    135:        { 0xff9220, SIZE_WORD, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Lightpen X position */
                    136:        { 0xff9222, SIZE_WORD, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* Lightpen Y position */
                    137: 
                    138:        { 0xfffa01, SIZE_BYTE, MFP_GPIP_ReadByte, MFP_GPIP_WriteByte },
                    139:        { 0xfffa03, SIZE_BYTE, MFP_ActiveEdge_ReadByte, MFP_ActiveEdge_WriteByte },
                    140:        { 0xfffa05, SIZE_BYTE, MFP_DataDirection_ReadByte, MFP_DataDirection_WriteByte },
                    141:        { 0xfffa07, SIZE_BYTE, MFP_EnableA_ReadByte, MFP_EnableA_WriteByte },
                    142:        { 0xfffa09, SIZE_BYTE, MFP_EnableB_ReadByte, MFP_EnableB_WriteByte },
                    143:        { 0xfffa0b, SIZE_BYTE, MFP_PendingA_ReadByte, MFP_PendingA_WriteByte },
                    144:        { 0xfffa0d, SIZE_BYTE, MFP_PendingB_ReadByte, MFP_PendingB_WriteByte },
                    145:        { 0xfffa0f, SIZE_BYTE, MFP_InServiceA_ReadByte, MFP_InServiceA_WriteByte },
                    146:        { 0xfffa11, SIZE_BYTE, MFP_InServiceB_ReadByte, MFP_InServiceB_WriteByte },
                    147:        { 0xfffa13, SIZE_BYTE, MFP_MaskA_ReadByte, MFP_MaskA_WriteByte },
                    148:        { 0xfffa15, SIZE_BYTE, MFP_MaskB_ReadByte, MFP_MaskB_WriteByte },
                    149:        { 0xfffa17, SIZE_BYTE, MFP_VectorReg_ReadByte, MFP_VectorReg_WriteByte },
                    150:        { 0xfffa19, SIZE_BYTE, MFP_TimerACtrl_ReadByte, MFP_TimerACtrl_WriteByte },
                    151:        { 0xfffa1b, SIZE_BYTE, MFP_TimerBCtrl_ReadByte, MFP_TimerBCtrl_WriteByte },
                    152:        { 0xfffa1d, SIZE_BYTE, MFP_TimerCDCtrl_ReadByte, MFP_TimerCDCtrl_WriteByte },
                    153:        { 0xfffa1f, SIZE_BYTE, MFP_TimerAData_ReadByte, MFP_TimerAData_WriteByte },
                    154:        { 0xfffa21, SIZE_BYTE, MFP_TimerBData_ReadByte, MFP_TimerBData_WriteByte },
                    155:        { 0xfffa23, SIZE_BYTE, MFP_TimerCData_ReadByte, MFP_TimerCData_WriteByte },
                    156:        { 0xfffa25, SIZE_BYTE, MFP_TimerDData_ReadByte, MFP_TimerDData_WriteByte },
                    157: 
                    158:        { 0xfffa27, SIZE_BYTE, RS232_SCR_ReadByte, RS232_SCR_WriteByte },   /* Sync character register */
                    159:        { 0xfffa29, SIZE_BYTE, RS232_UCR_ReadByte, RS232_UCR_WriteByte },   /* USART control register */
                    160:        { 0xfffa2b, SIZE_BYTE, RS232_RSR_ReadByte, RS232_RSR_WriteByte },   /* Receiver status register */
                    161:        { 0xfffa2d, SIZE_BYTE, RS232_TSR_ReadByte, RS232_TSR_WriteByte },   /* Transmitter status register */
                    162:        { 0xfffa2f, SIZE_BYTE, RS232_UDR_ReadByte, RS232_UDR_WriteByte },   /* USART data register */
                    163: 
                    164:        { 0xfffa31, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    165:        { 0xfffa33, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    166:        { 0xfffa35, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    167:        { 0xfffa37, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    168:        { 0xfffa39, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    169:        { 0xfffa3b, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    170:        { 0xfffa3d, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    171:        { 0xfffa3f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },           /* No bus error here */
                    172: 
                    173:        { 0xfffa80, 48, IoMem_VoidRead, IoMem_WriteWithoutInterception },  /* 2nd TT MFP */
                    174: 
1.1.1.8   root      175:        { 0xfffc00, SIZE_BYTE, ACIA_IKBD_Read_SR, ACIA_IKBD_Write_CR },
                    176:        { 0xfffc02, SIZE_BYTE, ACIA_IKBD_Read_RDR, ACIA_IKBD_Write_TDR },
1.1       root      177:        { 0xfffc04, SIZE_BYTE, Midi_Control_ReadByte, Midi_Control_WriteByte },
                    178:        { 0xfffc06, SIZE_BYTE, Midi_Data_ReadByte, Midi_Data_WriteByte },
1.1.1.5   root      179:        { 0xfffc08, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                    180:        { 0xfffc0a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                    181:        { 0xfffc0c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
                    182:        { 0xfffc0e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite },                               /* No bus error here */
1.1       root      183: 
                    184:        { 0, 0, NULL, NULL }
                    185: };

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