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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"
1.1.1.10! root 21: #include "configuration.h"
1.1 root 22: #include "dmaSnd.h"
23: #include "fdc.h"
1.1.1.8 root 24: #include "acia.h"
1.1 root 25: #include "ioMem.h"
26: #include "ioMemTables.h"
27: #include "joy.h"
28: #include "mfp.h"
29: #include "midi.h"
30: #include "nvram.h"
31: #include "psg.h"
32: #include "rs232.h"
33: #include "rtc.h"
1.1.1.5 root 34: #include "screen.h"
1.1 root 35: #include "video.h"
36: #include "blitter.h"
37:
1.1.1.10! root 38: /**
! 39: * The register at $FF9200.b represents the DIP switches from the
! 40: * TT motherboard. The meaning of the switches is as follows:
! 41: *
! 42: * 1 off (on = CaTTamaran installed, not an official setting)
! 43: * 2 - 6 off
! 44: * 7 on = 1.4mb HD floppy drive fitted
! 45: * 8 off (on = Disables the DMA sound hardware)
! 46: *
! 47: * Switch 1 is represented by the lowest bit in the $FF9200 register,
! 48: * and switch 8 is represented by the highest bit. Logic is inverted,
! 49: * i.e. when the switch is "on", the bit is 0.
! 50: */
! 51: static void IoMemTabTT_ReadDIPSwitches(void)
! 52: {
! 53: IoMem_WriteWord(0xff9200, 0xbf00);
! 54: }
1.1 root 55:
1.1.1.10! root 56: /**
! 57: * List of functions to handle read/write hardware interceptions for a TT.
! 58: */
1.1 root 59: const INTERCEPT_ACCESS_FUNC IoMemTable_TT[] =
60: {
61: { 0xff8000, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
62: { 0xff8001, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Memory configuration */
63:
64: { 0xff8200, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.10! root 65: { 0xff8201, SIZE_BYTE, IoMem_ReadWithoutInterception, Video_ScreenBase_WriteByte }, /* Video base high byte */
1.1 root 66: { 0xff8202, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.10! root 67: { 0xff8203, SIZE_BYTE, IoMem_ReadWithoutInterception, Video_ScreenBase_WriteByte }, /* Video base med byte */
1.1 root 68: { 0xff8204, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
69: { 0xff8205, SIZE_BYTE, Video_ScreenCounter_ReadByte, Video_ScreenCounter_WriteByte },
70: { 0xff8206, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
71: { 0xff8207, SIZE_BYTE, Video_ScreenCounter_ReadByte, Video_ScreenCounter_WriteByte },
72: { 0xff8208, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
73: { 0xff8209, SIZE_BYTE, Video_ScreenCounter_ReadByte, Video_ScreenCounter_WriteByte },
74: { 0xff820a, SIZE_BYTE, Video_Sync_ReadByte, Video_Sync_WriteByte },
1.1.1.5 root 75: { 0xff820b, SIZE_BYTE, IoMem_VoidRead_00, IoMem_VoidWrite }, /* No bus error here : return 0 not ff */
76: { 0xff820c, SIZE_BYTE, IoMem_VoidRead_00, IoMem_VoidWrite }, /* No bus error here : return 0 not ff */
1.1.1.10! root 77: { 0xff820d, SIZE_BYTE, Video_BaseLow_ReadByte, Video_ScreenBase_WriteByte },
1.1 root 78: { 0xff820e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.9 root 79: { 0xff820f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.10! root 80: { 0xff8240, 16*SIZE_WORD, IoMem_ReadWithoutInterception, Video_TTColorRegs_STRegWrite }, /* 16 TT ST-palette entries */
! 81: { 0xff8260, SIZE_BYTE, Video_Res_ReadByte, Video_Res_WriteByte },
1.1.1.5 root 82: { 0xff8261, SIZE_BYTE, IoMem_VoidRead_00, IoMem_VoidWrite }, /* No bus errors here : return 0 not ff */
1.1 root 83: { 0xff8262, SIZE_WORD, IoMem_ReadWithoutInterception, Video_TTShiftMode_WriteWord }, /* TT screen mode */
1.1.1.10! root 84: { 0xff8264, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception },
! 85: { 0xff8265, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* Horizontal fine scrolling */
1.1.1.5 root 86: { 0xff8266, 26, IoMem_VoidRead_00, IoMem_VoidWrite }, /* No bus errors here : return 0 not ff */
1.1 root 87:
1.1.1.10! root 88: { 0xff8400, 512, IoMem_ReadWithoutInterception, Video_TTColorRegs_Write }, /* 256 TT palette entries */
1.1 root 89:
90: { 0xff8604, SIZE_WORD, FDC_DiskControllerStatus_ReadWord, FDC_DiskController_WriteWord },
91: { 0xff8606, SIZE_WORD, FDC_DmaStatus_ReadWord, FDC_DmaModeControl_WriteWord },
92: { 0xff8608, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.6 root 93: { 0xff8609, SIZE_BYTE, FDC_DmaAddress_ReadByte, FDC_DmaAddress_WriteByte }, /* DMA base and counter high byte */
1.1 root 94: { 0xff860a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.6 root 95: { 0xff860b, SIZE_BYTE, FDC_DmaAddress_ReadByte, FDC_DmaAddress_WriteByte }, /* DMA base and counter med byte */
1.1 root 96: { 0xff860c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.6 root 97: { 0xff860d, SIZE_BYTE, FDC_DmaAddress_ReadByte, FDC_DmaAddress_WriteByte }, /* DMA base and counter low byte */
1.1 root 98: { 0xff860e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
99: { 0xff860f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
100:
1.1.1.7 root 101: { 0xff8780, 16, IoMem_VoidRead_00, IoMem_WriteWithoutInterception }, /* TT SCSI controller */
1.1 root 102:
1.1.1.7 root 103: { 0xff8800, SIZE_BYTE, PSG_ff8800_ReadByte, PSG_ff8800_WriteByte },
104: { 0xff8802, SIZE_BYTE, PSG_ff880x_ReadByte, PSG_ff8802_WriteByte },
1.1 root 105:
106: { 0xff8900, SIZE_WORD, DmaSnd_SoundControl_ReadWord, DmaSnd_SoundControl_WriteWord }, /* DMA sound control */
107: { 0xff8902, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 108: { 0xff8903, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameStartHigh_WriteByte },/* DMA sound frame start high */
1.1 root 109: { 0xff8904, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 110: { 0xff8905, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameStartMed_WriteByte }, /* DMA sound frame start med */
1.1 root 111: { 0xff8906, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 112: { 0xff8907, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameStartLow_WriteByte }, /* DMA sound frame start low */
1.1 root 113: { 0xff8908, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 114: { 0xff8909, SIZE_BYTE, DmaSnd_FrameCountHigh_ReadByte, DmaSnd_FrameCountHigh_WriteByte },/* DMA sound frame count high */
1.1 root 115: { 0xff890a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 116: { 0xff890b, SIZE_BYTE, DmaSnd_FrameCountMed_ReadByte, DmaSnd_FrameCountMed_WriteByte }, /* DMA sound frame count med */
1.1 root 117: { 0xff890c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 118: { 0xff890d, SIZE_BYTE, DmaSnd_FrameCountLow_ReadByte, DmaSnd_FrameCountLow_WriteByte }, /* DMA sound frame count low */
1.1 root 119: { 0xff890e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 120: { 0xff890f, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameEndHigh_WriteByte }, /* DMA sound frame end high */
1.1 root 121: { 0xff8910, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 122: { 0xff8911, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameEndMed_WriteByte }, /* DMA sound frame end med */
1.1 root 123: { 0xff8912, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1.1.5 root 124: { 0xff8913, SIZE_BYTE, IoMem_ReadWithoutInterception, DmaSnd_FrameEndLow_WriteByte }, /* DMA sound frame end low */
1.1.1.4 root 125: { 0xff8920, SIZE_BYTE, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* DMA sound mode control (contains 0) */
126: { 0xff8921, SIZE_BYTE, DmaSnd_SoundModeCtrl_ReadByte, DmaSnd_SoundModeCtrl_WriteByte }, /* DMA sound mode control */
1.1 root 127: { 0xff8922, SIZE_WORD, DmaSnd_MicrowireData_ReadWord, DmaSnd_MicrowireData_WriteWord }, /* Microwire data */
128: { 0xff8924, SIZE_WORD, DmaSnd_MicrowireMask_ReadWord, DmaSnd_MicrowireMask_WriteWord }, /* Microwire mask */
129: { 0xff8926, 26, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus errors here */
130:
131: { 0xff8961, SIZE_BYTE, NvRam_Select_ReadByte, NvRam_Select_WriteByte }, /* NVRAM/RTC chip */
132: { 0xff8963, SIZE_BYTE, NvRam_Data_ReadByte, NvRam_Data_WriteByte }, /* NVRAM/RTC chip */
133:
134: /* Note: The TT does not have a blitter (0xff8a00 - 0xff8a3e) */
135:
136: //{ 0xff8c80, 8, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* SCC */
137:
1.1.1.10! root 138: { 0xff8e01, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU system interrupt mask */
! 139: { 0xff8e03, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU system interrupt state */
! 140: { 0xff8e05, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU system interrupter */
! 141: { 0xff8e07, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU VME interrupter */
! 142: { 0xff8e09, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU general purpose 1 */
! 143: { 0xff8e0b, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU general purpose 2 */
! 144: { 0xff8e0d, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU VME interrupt mask */
! 145: { 0xff8e0f, 1, IoMem_ReadWithoutInterception, IoMem_WriteWithoutInterception }, /* SCU VME interrupt state */
1.1 root 146:
1.1.1.10! root 147: { 0xff9000, SIZE_WORD, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
! 148: { 0xff9200, SIZE_WORD, IoMemTabTT_ReadDIPSwitches, IoMem_VoidWrite }, /* DIP switches */
1.1 root 149:
150: { 0xfffa01, SIZE_BYTE, MFP_GPIP_ReadByte, MFP_GPIP_WriteByte },
151: { 0xfffa03, SIZE_BYTE, MFP_ActiveEdge_ReadByte, MFP_ActiveEdge_WriteByte },
152: { 0xfffa05, SIZE_BYTE, MFP_DataDirection_ReadByte, MFP_DataDirection_WriteByte },
153: { 0xfffa07, SIZE_BYTE, MFP_EnableA_ReadByte, MFP_EnableA_WriteByte },
154: { 0xfffa09, SIZE_BYTE, MFP_EnableB_ReadByte, MFP_EnableB_WriteByte },
155: { 0xfffa0b, SIZE_BYTE, MFP_PendingA_ReadByte, MFP_PendingA_WriteByte },
156: { 0xfffa0d, SIZE_BYTE, MFP_PendingB_ReadByte, MFP_PendingB_WriteByte },
157: { 0xfffa0f, SIZE_BYTE, MFP_InServiceA_ReadByte, MFP_InServiceA_WriteByte },
158: { 0xfffa11, SIZE_BYTE, MFP_InServiceB_ReadByte, MFP_InServiceB_WriteByte },
159: { 0xfffa13, SIZE_BYTE, MFP_MaskA_ReadByte, MFP_MaskA_WriteByte },
160: { 0xfffa15, SIZE_BYTE, MFP_MaskB_ReadByte, MFP_MaskB_WriteByte },
161: { 0xfffa17, SIZE_BYTE, MFP_VectorReg_ReadByte, MFP_VectorReg_WriteByte },
162: { 0xfffa19, SIZE_BYTE, MFP_TimerACtrl_ReadByte, MFP_TimerACtrl_WriteByte },
163: { 0xfffa1b, SIZE_BYTE, MFP_TimerBCtrl_ReadByte, MFP_TimerBCtrl_WriteByte },
164: { 0xfffa1d, SIZE_BYTE, MFP_TimerCDCtrl_ReadByte, MFP_TimerCDCtrl_WriteByte },
165: { 0xfffa1f, SIZE_BYTE, MFP_TimerAData_ReadByte, MFP_TimerAData_WriteByte },
166: { 0xfffa21, SIZE_BYTE, MFP_TimerBData_ReadByte, MFP_TimerBData_WriteByte },
167: { 0xfffa23, SIZE_BYTE, MFP_TimerCData_ReadByte, MFP_TimerCData_WriteByte },
168: { 0xfffa25, SIZE_BYTE, MFP_TimerDData_ReadByte, MFP_TimerDData_WriteByte },
169:
170: { 0xfffa27, SIZE_BYTE, RS232_SCR_ReadByte, RS232_SCR_WriteByte }, /* Sync character register */
171: { 0xfffa29, SIZE_BYTE, RS232_UCR_ReadByte, RS232_UCR_WriteByte }, /* USART control register */
172: { 0xfffa2b, SIZE_BYTE, RS232_RSR_ReadByte, RS232_RSR_WriteByte }, /* Receiver status register */
173: { 0xfffa2d, SIZE_BYTE, RS232_TSR_ReadByte, RS232_TSR_WriteByte }, /* Transmitter status register */
174: { 0xfffa2f, SIZE_BYTE, RS232_UDR_ReadByte, RS232_UDR_WriteByte }, /* USART data register */
175:
176: { 0xfffa31, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
177: { 0xfffa33, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
178: { 0xfffa35, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
179: { 0xfffa37, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
180: { 0xfffa39, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
181: { 0xfffa3b, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
182: { 0xfffa3d, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
183: { 0xfffa3f, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
184:
185: { 0xfffa80, 48, IoMem_VoidRead, IoMem_WriteWithoutInterception }, /* 2nd TT MFP */
186:
1.1.1.8 root 187: { 0xfffc00, SIZE_BYTE, ACIA_IKBD_Read_SR, ACIA_IKBD_Write_CR },
188: { 0xfffc02, SIZE_BYTE, ACIA_IKBD_Read_RDR, ACIA_IKBD_Write_TDR },
1.1 root 189: { 0xfffc04, SIZE_BYTE, Midi_Control_ReadByte, Midi_Control_WriteByte },
190: { 0xfffc06, SIZE_BYTE, Midi_Data_ReadByte, Midi_Data_WriteByte },
1.1.1.5 root 191: { 0xfffc08, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
192: { 0xfffc0a, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
193: { 0xfffc0c, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
194: { 0xfffc0e, SIZE_BYTE, IoMem_VoidRead, IoMem_VoidWrite }, /* No bus error here */
1.1 root 195:
196: { 0, 0, NULL, NULL }
197: };
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