+++ /dev/null
-/***********************************************************\r
- * *\r
- * This source file was taken from the Gens project *\r
- * Written by Stéphane Dallongeville *\r
- * Copyright (c) 2002 by Stéphane Dallongeville *\r
- * Modified/adapted for PicoDrive by notaz, 2007 *\r
- * *\r
- ***********************************************************/\r
-\r
-#include "../pico_int.h"\r
-\r
-#define CDC_DMA_SPEED 256\r
-\r
-\r
-static void CDD_Reset(void)\r
-{\r
- // Reseting CDD\r
-\r
- memset(Pico_mcd->s68k_regs+0x34, 0, 2*2); // CDD.Fader, CDD.Control\r
- Pico_mcd->cdd.Status = 0;\r
- Pico_mcd->cdd.Minute = 0;\r
- Pico_mcd->cdd.Seconde = 0;\r
- Pico_mcd->cdd.Frame = 0;\r
- Pico_mcd->cdd.Ext = 0;\r
-\r
- // clear receive status and transfer command\r
- memset(Pico_mcd->s68k_regs+0x38, 0, 20);\r
- Pico_mcd->s68k_regs[0x38+9] = 0xF; // Default checksum\r
-}\r
-\r
-\r
-static void CDC_Reset(void)\r
-{\r
- // Reseting CDC\r
-\r
- memset(Pico_mcd->cdc.Buffer, 0, sizeof(Pico_mcd->cdc.Buffer));\r
-\r
- Pico_mcd->cdc.COMIN = 0;\r
- Pico_mcd->cdc.IFSTAT = 0xFF;\r
- Pico_mcd->cdc.DAC.N = 0;\r
- Pico_mcd->cdc.DBC.N = 0;\r
- Pico_mcd->cdc.HEAD.N = 0x01000000;\r
- Pico_mcd->cdc.PT.N = 0;\r
- Pico_mcd->cdc.WA.N = 2352 * 2;\r
- Pico_mcd->cdc.STAT.N = 0x00000080;\r
- Pico_mcd->cdc.SBOUT = 0;\r
- Pico_mcd->cdc.IFCTRL = 0;\r
- Pico_mcd->cdc.CTRL.N = 0;\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read = 0;\r
- Pico_mcd->scd.Status_CDC &= ~0x08;\r
-}\r
-\r
-\r
-PICO_INTERNAL void LC89510_Reset(void)\r
-{\r
- CDD_Reset();\r
- CDC_Reset();\r
-\r
- // clear DMA_Adr & Stop_Watch\r
- memset(Pico_mcd->s68k_regs + 0xA, 0, 4);\r
-}\r
-\r
-\r
-PICO_INTERNAL void Update_CDC_TRansfer(int which)\r
-{\r
- unsigned int DMA_Adr, dep, length;\r
- unsigned short *dest;\r
- unsigned char *src;\r
-\r
- if (Pico_mcd->cdc.DBC.N <= (CDC_DMA_SPEED * 2))\r
- {\r
- length = (Pico_mcd->cdc.DBC.N + 1) >> 1;\r
- Pico_mcd->scd.Status_CDC &= ~0x08; // Last transfer\r
- Pico_mcd->s68k_regs[4] |= 0x80; // End data transfer\r
- Pico_mcd->s68k_regs[4] &= ~0x40; // no more data ready\r
- Pico_mcd->cdc.IFSTAT |= 0x08; // No more data transfer in progress\r
-\r
- if (Pico_mcd->cdc.IFCTRL & 0x40) // DTEIEN = Data Trasnfer End Interrupt Enable ?\r
- {\r
- Pico_mcd->cdc.IFSTAT &= ~0x40;\r
-\r
- if (Pico_mcd->s68k_regs[0x33] & (1<<5))\r
- {\r
- elprintf(EL_INTS, "cdc DTE irq 5");\r
- SekInterruptS68k(5);\r
- }\r
- }\r
- }\r
- else length = CDC_DMA_SPEED;\r
-\r
-\r
- // TODO: dst bounds checking?\r
- src = Pico_mcd->cdc.Buffer + Pico_mcd->cdc.DAC.N;\r
- DMA_Adr = (Pico_mcd->s68k_regs[0xA]<<8) | Pico_mcd->s68k_regs[0xB];\r
-\r
- if (which == 7) // WORD RAM\r
- {\r
- if (Pico_mcd->s68k_regs[3] & 4)\r
- {\r
- // test: Final Fight\r
- int bank = !(Pico_mcd->s68k_regs[3]&1);\r
- dep = ((DMA_Adr & 0x3FFF) << 3);\r
- cdprintf("CD DMA # %04x -> word_ram1M # %06x, len=%i",\r
- Pico_mcd->cdc.DAC.N, dep, length);\r
-\r
- dest = (unsigned short *) (Pico_mcd->word_ram1M[bank] + dep);\r
-\r
- memcpy16bswap(dest, src, length);\r
-\r
- /*{ // debug\r
- unsigned char *b1 = Pico_mcd->word_ram1M[bank] + dep;\r
- unsigned char *b2 = (unsigned char *)(dest+length) - 8;\r
- dprintf("%02x %02x %02x %02x .. %02x %02x %02x %02x",\r
- b1[0], b1[1], b1[4], b1[5], b2[0], b2[1], b2[4], b2[5]);\r
- }*/\r
- }\r
- else\r
- {\r
- dep = ((DMA_Adr & 0x7FFF) << 3);\r
- cdprintf("CD DMA # %04x -> word_ram2M # %06x, len=%i",\r
- Pico_mcd->cdc.DAC.N, dep, length);\r
- dest = (unsigned short *) (Pico_mcd->word_ram2M + dep);\r
-\r
- memcpy16bswap(dest, src, length);\r
-\r
- /*{ // debug\r
- unsigned char *b1 = Pico_mcd->word_ram2M + dep;\r
- unsigned char *b2 = (unsigned char *)(dest+length) - 4;\r
- dprintf("%02x %02x %02x %02x .. %02x %02x %02x %02x",\r
- b1[0], b1[1], b1[2], b1[3], b2[0], b2[1], b2[2], b2[3]);\r
- }*/\r
- }\r
- }\r
- else if (which == 4) // PCM RAM (check: popful Mail)\r
- {\r
- dep = (DMA_Adr & 0x03FF) << 2;\r
- cdprintf("CD DMA # %04x -> PCM[%i] # %04x, len=%i",\r
- Pico_mcd->cdc.DAC.N, Pico_mcd->pcm.bank, dep, length);\r
- dest = (unsigned short *) (Pico_mcd->pcm_ram_b[Pico_mcd->pcm.bank] + dep);\r
-\r
- if (Pico_mcd->cdc.DAC.N & 1) /* unaligned src? */\r
- memcpy(dest, src, length*2);\r
- else memcpy16(dest, (unsigned short *) src, length);\r
- }\r
- else if (which == 5) // PRG RAM\r
- {\r
- dep = DMA_Adr << 3;\r
- dest = (unsigned short *) (Pico_mcd->prg_ram + dep);\r
- cdprintf("CD DMA # %04x -> prg_ram # %06x, len=%i",\r
- Pico_mcd->cdc.DAC.N, dep, length);\r
-\r
- memcpy16bswap(dest, src, length);\r
-\r
- /*{ // debug\r
- unsigned char *b1 = Pico_mcd->prg_ram + dep;\r
- unsigned char *b2 = (unsigned char *)(dest+length) - 4;\r
- dprintf("%02x %02x %02x %02x .. %02x %02x %02x %02x",\r
- b1[0], b1[1], b1[2], b1[3], b2[0], b2[1], b2[2], b2[3]);\r
- }*/\r
- }\r
-\r
- length <<= 1;\r
- Pico_mcd->cdc.DAC.N = (Pico_mcd->cdc.DAC.N + length) & 0xFFFF;\r
- if (Pico_mcd->scd.Status_CDC & 0x08) Pico_mcd->cdc.DBC.N -= length;\r
- else Pico_mcd->cdc.DBC.N = 0;\r
-\r
- // update DMA_Adr\r
- length >>= 2;\r
- if (which != 4) length >>= 1;\r
- DMA_Adr += length;\r
- Pico_mcd->s68k_regs[0xA] = DMA_Adr >> 8;\r
- Pico_mcd->s68k_regs[0xB] = DMA_Adr;\r
-}\r
-\r
-\r
-PICO_INTERNAL_ASM unsigned short Read_CDC_Host(int is_sub)\r
-{\r
- int addr;\r
-\r
- if (!(Pico_mcd->scd.Status_CDC & 0x08))\r
- {\r
- // Transfer data disabled\r
- cdprintf("Read_CDC_Host FIXME: Transfer data disabled");\r
- return 0;\r
- }\r
-\r
- if ((is_sub && (Pico_mcd->s68k_regs[4] & 7) != 3) ||\r
- (!is_sub && (Pico_mcd->s68k_regs[4] & 7) != 2))\r
- {\r
- // Wrong setting\r
- cdprintf("Read_CDC_Host FIXME: Wrong setting");\r
- return 0;\r
- }\r
-\r
- Pico_mcd->cdc.DBC.N -= 2;\r
-\r
- if (Pico_mcd->cdc.DBC.N <= 0)\r
- {\r
- Pico_mcd->cdc.DBC.N = 0;\r
- Pico_mcd->scd.Status_CDC &= ~0x08; // Last transfer\r
- Pico_mcd->s68k_regs[4] |= 0x80; // End data transfer\r
- Pico_mcd->s68k_regs[4] &= ~0x40; // no more data ready\r
- Pico_mcd->cdc.IFSTAT |= 0x08; // No more data transfer in progress\r
-\r
- if (Pico_mcd->cdc.IFCTRL & 0x40) // DTEIEN = Data Transfer End Interrupt Enable ?\r
- {\r
- Pico_mcd->cdc.IFSTAT &= ~0x40;\r
-\r
- if (Pico_mcd->s68k_regs[0x33]&(1<<5)) {\r
- elprintf(EL_INTS, "m68k: s68k irq 5");\r
- SekInterruptS68k(5);\r
- }\r
-\r
- cdprintf("CDC - DTE interrupt");\r
- }\r
- }\r
-\r
- addr = Pico_mcd->cdc.DAC.N;\r
- Pico_mcd->cdc.DAC.N += 2;\r
-\r
- cdprintf("Read_CDC_Host sub=%i d=%04x dac=%04x dbc=%04x", is_sub,\r
- (Pico_mcd->cdc.Buffer[addr]<<8) | Pico_mcd->cdc.Buffer[addr+1], Pico_mcd->cdc.DAC.N, Pico_mcd->cdc.DBC.N);\r
-\r
- return (Pico_mcd->cdc.Buffer[addr]<<8) | Pico_mcd->cdc.Buffer[addr+1];\r
-}\r
-\r
-\r
-PICO_INTERNAL void CDC_Update_Header(void)\r
-{\r
- if (Pico_mcd->cdc.CTRL.B.B1 & 0x01) // Sub-Header wanted ?\r
- {\r
- Pico_mcd->cdc.HEAD.B.B0 = 0;\r
- Pico_mcd->cdc.HEAD.B.B1 = 0;\r
- Pico_mcd->cdc.HEAD.B.B2 = 0;\r
- Pico_mcd->cdc.HEAD.B.B3 = 0;\r
- }\r
- else\r
- {\r
- _msf MSF;\r
-\r
- LBA_to_MSF(Pico_mcd->scd.Cur_LBA, &MSF);\r
-\r
- Pico_mcd->cdc.HEAD.B.B0 = INT_TO_BCDB(MSF.M);\r
- Pico_mcd->cdc.HEAD.B.B1 = INT_TO_BCDB(MSF.S);\r
- Pico_mcd->cdc.HEAD.B.B2 = INT_TO_BCDB(MSF.F);\r
- Pico_mcd->cdc.HEAD.B.B3 = 0x01;\r
- }\r
-}\r
-\r
-\r
-PICO_INTERNAL unsigned char CDC_Read_Reg(void)\r
-{\r
- unsigned char ret;\r
-\r
- switch(Pico_mcd->s68k_regs[5] & 0xF)\r
- {\r
- case 0x0: // COMIN\r
- cdprintf("CDC read reg 00 = %.2X", Pico_mcd->cdc.COMIN);\r
-\r
- Pico_mcd->s68k_regs[5] = 0x1;\r
- return Pico_mcd->cdc.COMIN;\r
-\r
- case 0x1: // IFSTAT\r
- cdprintf("CDC read reg 01 = %.2X", Pico_mcd->cdc.IFSTAT);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 1); // Reg 1 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0x2;\r
- return Pico_mcd->cdc.IFSTAT;\r
-\r
- case 0x2: // DBCL\r
- cdprintf("CDC read reg 02 = %.2X", Pico_mcd->cdc.DBC.B.L);\r
-\r
- Pico_mcd->s68k_regs[5] = 0x3;\r
- return Pico_mcd->cdc.DBC.B.L;\r
-\r
- case 0x3: // DBCH\r
- cdprintf("CDC read reg 03 = %.2X", Pico_mcd->cdc.DBC.B.H);\r
-\r
- Pico_mcd->s68k_regs[5] = 0x4;\r
- return Pico_mcd->cdc.DBC.B.H;\r
-\r
- case 0x4: // HEAD0\r
- cdprintf("CDC read reg 04 = %.2X", Pico_mcd->cdc.HEAD.B.B0);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 4); // Reg 4 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0x5;\r
- return Pico_mcd->cdc.HEAD.B.B0;\r
-\r
- case 0x5: // HEAD1\r
- cdprintf("CDC read reg 05 = %.2X", Pico_mcd->cdc.HEAD.B.B1);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 5); // Reg 5 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0x6;\r
- return Pico_mcd->cdc.HEAD.B.B1;\r
-\r
- case 0x6: // HEAD2\r
- cdprintf("CDC read reg 06 = %.2X", Pico_mcd->cdc.HEAD.B.B2);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 6); // Reg 6 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0x7;\r
- return Pico_mcd->cdc.HEAD.B.B2;\r
-\r
- case 0x7: // HEAD3\r
- cdprintf("CDC read reg 07 = %.2X", Pico_mcd->cdc.HEAD.B.B3);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 7); // Reg 7 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0x8;\r
- return Pico_mcd->cdc.HEAD.B.B3;\r
-\r
- case 0x8: // PTL\r
- cdprintf("CDC read reg 08 = %.2X", Pico_mcd->cdc.PT.B.L);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 8); // Reg 8 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0x9;\r
- return Pico_mcd->cdc.PT.B.L;\r
-\r
- case 0x9: // PTH\r
- cdprintf("CDC read reg 09 = %.2X", Pico_mcd->cdc.PT.B.H);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 9); // Reg 9 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0xA;\r
- return Pico_mcd->cdc.PT.B.H;\r
-\r
- case 0xA: // WAL\r
- cdprintf("CDC read reg 10 = %.2X", Pico_mcd->cdc.WA.B.L);\r
-\r
- Pico_mcd->s68k_regs[5] = 0xB;\r
- return Pico_mcd->cdc.WA.B.L;\r
-\r
- case 0xB: // WAH\r
- cdprintf("CDC read reg 11 = %.2X", Pico_mcd->cdc.WA.B.H);\r
-\r
- Pico_mcd->s68k_regs[5] = 0xC;\r
- return Pico_mcd->cdc.WA.B.H;\r
-\r
- case 0xC: // STAT0\r
- cdprintf("CDC read reg 12 = %.2X", Pico_mcd->cdc.STAT.B.B0);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 12); // Reg 12 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0xD;\r
- return Pico_mcd->cdc.STAT.B.B0;\r
-\r
- case 0xD: // STAT1\r
- cdprintf("CDC read reg 13 = %.2X", Pico_mcd->cdc.STAT.B.B1);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 13); // Reg 13 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0xE;\r
- return Pico_mcd->cdc.STAT.B.B1;\r
-\r
- case 0xE: // STAT2\r
- cdprintf("CDC read reg 14 = %.2X", Pico_mcd->cdc.STAT.B.B2);\r
-\r
- Pico_mcd->cdc.Decode_Reg_Read |= (1 << 14); // Reg 14 (decoding)\r
- Pico_mcd->s68k_regs[5] = 0xF;\r
- return Pico_mcd->cdc.STAT.B.B2;\r
-\r
- case 0xF: // STAT3\r
- cdprintf("CDC read reg 15 = %.2X", Pico_mcd->cdc.STAT.B.B3);\r
-\r
- ret = Pico_mcd->cdc.STAT.B.B3;\r
- Pico_mcd->cdc.IFSTAT |= 0x20; // decoding interrupt flag cleared\r
- if ((Pico_mcd->cdc.CTRL.B.B0 & 0x80) && (Pico_mcd->cdc.IFCTRL & 0x20))\r
- {\r
- if ((Pico_mcd->cdc.Decode_Reg_Read & 0x73F2) == 0x73F2)\r
- Pico_mcd->cdc.STAT.B.B3 = 0x80;\r
- }\r
- return ret;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-\r
-PICO_INTERNAL void CDC_Write_Reg(unsigned char Data)\r
-{\r
- cdprintf("CDC write reg%02d = %.2X", Pico_mcd->s68k_regs[5] & 0xF, Data);\r
-\r
- switch (Pico_mcd->s68k_regs[5] & 0xF)\r
- {\r
- case 0x0: // SBOUT\r
- Pico_mcd->s68k_regs[5] = 0x1;\r
- Pico_mcd->cdc.SBOUT = Data;\r
-\r
- break;\r
-\r
- case 0x1: // IFCTRL\r
- Pico_mcd->s68k_regs[5] = 0x2;\r
- Pico_mcd->cdc.IFCTRL = Data;\r
-\r
- if ((Pico_mcd->cdc.IFCTRL & 0x02) == 0) // Stop data transfer\r
- {\r
- Pico_mcd->cdc.DBC.N = 0;\r
- Pico_mcd->scd.Status_CDC &= ~0x08;\r
- Pico_mcd->cdc.IFSTAT |= 0x08; // No more data transfer in progress\r
- }\r
- break;\r
-\r
- case 0x2: // DBCL\r
- Pico_mcd->s68k_regs[5] = 0x3;\r
- Pico_mcd->cdc.DBC.B.L = Data;\r
-\r
- break;\r
-\r
- case 0x3: // DBCH\r
- Pico_mcd->s68k_regs[5] = 0x4;\r
- Pico_mcd->cdc.DBC.B.H = Data;\r
-\r
- break;\r
-\r
- case 0x4: // DACL\r
- Pico_mcd->s68k_regs[5] = 0x5;\r
- Pico_mcd->cdc.DAC.B.L = Data;\r
-\r
- break;\r
-\r
- case 0x5: // DACH\r
- Pico_mcd->s68k_regs[5] = 0x6;\r
- Pico_mcd->cdc.DAC.B.H = Data;\r
-\r
- break;\r
-\r
- case 0x6: // DTTRG\r
- if (Pico_mcd->cdc.IFCTRL & 0x02) // Data transfer enable ?\r
- {\r
- Pico_mcd->cdc.IFSTAT &= ~0x08; // Data transfer in progress\r
- Pico_mcd->scd.Status_CDC |= 0x08; // Data transfer in progress\r
- Pico_mcd->s68k_regs[4] &= 0x7F; // A data transfer start\r
-\r
- cdprintf("************** Starting Data Transfer ***********");\r
- cdprintf("RS0 = %.4X DAC = %.4X DBC = %.4X DMA adr = %.4X\n\n", Pico_mcd->s68k_regs[4]<<8,\r
- Pico_mcd->cdc.DAC.N, Pico_mcd->cdc.DBC.N, (Pico_mcd->s68k_regs[0xA]<<8) | Pico_mcd->s68k_regs[0xB]);\r
- }\r
- break;\r
-\r
- case 0x7: // DTACK\r
- Pico_mcd->cdc.IFSTAT |= 0x40; // end data transfer interrupt flag cleared\r
- break;\r
-\r
- case 0x8: // WAL\r
- Pico_mcd->s68k_regs[5] = 0x9;\r
- Pico_mcd->cdc.WA.B.L = Data;\r
-\r
- break;\r
-\r
- case 0x9: // WAH\r
- Pico_mcd->s68k_regs[5] = 0xA;\r
- Pico_mcd->cdc.WA.B.H = Data;\r
-\r
- break;\r
-\r
- case 0xA: // CTRL0\r
- Pico_mcd->s68k_regs[5] = 0xB;\r
- Pico_mcd->cdc.CTRL.B.B0 = Data;\r
-\r
- break;\r
-\r
- case 0xB: // CTRL1\r
- Pico_mcd->s68k_regs[5] = 0xC;\r
- Pico_mcd->cdc.CTRL.B.B1 = Data;\r
-\r
- break;\r
-\r
- case 0xC: // PTL\r
- Pico_mcd->s68k_regs[5] = 0xD;\r
- Pico_mcd->cdc.PT.B.L = Data;\r
-\r
- break;\r
-\r
- case 0xD: // PTH\r
- Pico_mcd->s68k_regs[5] = 0xE;\r
- Pico_mcd->cdc.PT.B.H = Data;\r
-\r
- break;\r
-\r
- case 0xE: // CTRL2\r
- Pico_mcd->cdc.CTRL.B.B2 = Data;\r
- break;\r
-\r
- case 0xF: // RESET\r
- CDC_Reset();\r
- break;\r
- }\r
-}\r
-\r
-\r
-static int bswapwrite(int a, unsigned short d)\r
-{\r
- *(unsigned short *)(Pico_mcd->s68k_regs + a) = (d>>8)|(d<<8);\r
- return d + (d >> 8);\r
-}\r
-\r
-PICO_INTERNAL void CDD_Export_Status(void)\r
-{\r
- unsigned int csum;\r
-\r
- csum = bswapwrite( 0x38+0, Pico_mcd->cdd.Status);\r
- csum += bswapwrite( 0x38+2, Pico_mcd->cdd.Minute);\r
- csum += bswapwrite( 0x38+4, Pico_mcd->cdd.Seconde);\r
- csum += bswapwrite( 0x38+6, Pico_mcd->cdd.Frame);\r
- Pico_mcd->s68k_regs[0x38+8] = Pico_mcd->cdd.Ext;\r
- csum += Pico_mcd->cdd.Ext;\r
- Pico_mcd->s68k_regs[0x38+9] = ~csum & 0xf;\r
-\r
- Pico_mcd->s68k_regs[0x37] &= 3; // CDD.Control\r
-\r
- if (Pico_mcd->s68k_regs[0x33] & (1<<4))\r
- {\r
- elprintf(EL_INTS, "cdd export irq 4");\r
- SekInterruptS68k(4);\r
- }\r
-\r
-// cdprintf("CDD exported status\n");\r
- cdprintf("out: Status=%.4X, Minute=%.4X, Second=%.4X, Frame=%.4X Checksum=%.4X",\r
- (Pico_mcd->s68k_regs[0x38+0] << 8) | Pico_mcd->s68k_regs[0x38+1],\r
- (Pico_mcd->s68k_regs[0x38+2] << 8) | Pico_mcd->s68k_regs[0x38+3],\r
- (Pico_mcd->s68k_regs[0x38+4] << 8) | Pico_mcd->s68k_regs[0x38+5],\r
- (Pico_mcd->s68k_regs[0x38+6] << 8) | Pico_mcd->s68k_regs[0x38+7],\r
- (Pico_mcd->s68k_regs[0x38+8] << 8) | Pico_mcd->s68k_regs[0x38+9]);\r
-}\r
-\r
-\r
-PICO_INTERNAL void CDD_Import_Command(void)\r
-{\r
-// cdprintf("CDD importing command\n");\r
- cdprintf("in: Command=%.4X, Minute=%.4X, Second=%.4X, Frame=%.4X Checksum=%.4X",\r
- (Pico_mcd->s68k_regs[0x38+10+0] << 8) | Pico_mcd->s68k_regs[0x38+10+1],\r
- (Pico_mcd->s68k_regs[0x38+10+2] << 8) | Pico_mcd->s68k_regs[0x38+10+3],\r
- (Pico_mcd->s68k_regs[0x38+10+4] << 8) | Pico_mcd->s68k_regs[0x38+10+5],\r
- (Pico_mcd->s68k_regs[0x38+10+6] << 8) | Pico_mcd->s68k_regs[0x38+10+7],\r
- (Pico_mcd->s68k_regs[0x38+10+8] << 8) | Pico_mcd->s68k_regs[0x38+10+9]);\r
-\r
- switch (Pico_mcd->s68k_regs[0x38+10+0])\r
- {\r
- case 0x0: // STATUS (?)\r
- Get_Status_CDD_c0();\r
- break;\r
-\r
- case 0x1: // STOP ALL (?)\r
- Stop_CDD_c1();\r
- break;\r
-\r
- case 0x2: // GET TOC INFORMATIONS\r
- switch(Pico_mcd->s68k_regs[0x38+10+3])\r
- {\r
- case 0x0: // get current position (MSF format)\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00);\r
- Get_Pos_CDD_c20();\r
- break;\r
-\r
- case 0x1: // get elapsed time of current track played/scanned (relative MSF format)\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00) | 1;\r
- Get_Track_Pos_CDD_c21();\r
- break;\r
-\r
- case 0x2: // get current track in RS2-RS3\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00) | 2;\r
- Get_Current_Track_CDD_c22();\r
- break;\r
-\r
- case 0x3: // get total length (MSF format)\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00) | 3;\r
- Get_Total_Lenght_CDD_c23();\r
- break;\r
-\r
- case 0x4: // first & last track number\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00) | 4;\r
- Get_First_Last_Track_CDD_c24();\r
- break;\r
-\r
- case 0x5: // get track addresse (MSF format)\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00) | 5;\r
- Get_Track_Adr_CDD_c25();\r
- break;\r
-\r
- default : // invalid, then we return status\r
- Pico_mcd->cdd.Status = (Pico_mcd->cdd.Status & 0xFF00) | 0xF;\r
- Get_Status_CDD_c0();\r
- break;\r
- }\r
- break;\r
-\r
- case 0x3: // READ\r
- Play_CDD_c3();\r
- break;\r
-\r
- case 0x4: // SEEK\r
- Seek_CDD_c4();\r
- break;\r
-\r
- case 0x6: // PAUSE/STOP\r
- Pause_CDD_c6();\r
- break;\r
-\r
- case 0x7: // RESUME\r
- Resume_CDD_c7();\r
- break;\r
-\r
- case 0x8: // FAST FOWARD\r
- Fast_Foward_CDD_c8();\r
- break;\r
-\r
- case 0x9: // FAST REWIND\r
- Fast_Rewind_CDD_c9();\r
- break;\r
-\r
- case 0xA: // RECOVER INITIAL STATE (?)\r
- CDD_cA();\r
- break;\r
-\r
- case 0xC: // CLOSE TRAY\r
- Close_Tray_CDD_cC();\r
- break;\r
-\r
- case 0xD: // OPEN TRAY\r
- Open_Tray_CDD_cD();\r
- break;\r
-\r
- default: // UNKNOWN\r
- CDD_Def();\r
- break;\r
- }\r
-}\r
-\r
notaz.gp2x.de / picodrive.git / blobdiff