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https://github.com/RaySollium99/picodrive.git
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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@17 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
bf098bc532
commit
c459aefdad
6 changed files with 128 additions and 107 deletions
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@ -9,14 +9,13 @@
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#include "../PicoInt.h"
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#define cdprintf printf
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#define cdprintf dprintf
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//#define cdprintf(x...)
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#define CDC_DMA_SPEED 256
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int CDC_Decode_Reg_Read;
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static int Status_CDC; // internal status (TODO: 2 context?)
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int CDC_Decode_Reg_Read; // 2 context?
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static void CDD_Reset(void)
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@ -57,7 +56,7 @@ static void CDC_Reset(void)
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Pico_mcd->cdc.CTRL.N = 0;
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CDC_Decode_Reg_Read = 0;
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Status_CDC = 0;
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Pico_mcd->scd.Status_CDC &= ~0x08;
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}
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@ -81,7 +80,7 @@ void Update_CDC_TRansfer(int which)
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if (Pico_mcd->cdc.DBC.N <= (CDC_DMA_SPEED * 2))
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{
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length = (Pico_mcd->cdc.DBC.N + 1) >> 1;
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Status_CDC &= ~0x08; // Last transfer
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Pico_mcd->scd.Status_CDC &= ~0x08; // Last transfer
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Pico_mcd->s68k_regs[4] |= 0x80; // End data transfer
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Pico_mcd->s68k_regs[4] &= ~0x40; // no more data ready
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Pico_mcd->cdc.IFSTAT |= 0x08; // No more data transfer in progress
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@ -152,7 +151,7 @@ void Update_CDC_TRansfer(int which)
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length <<= 1;
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Pico_mcd->cdc.DAC.N = (Pico_mcd->cdc.DAC.N + length) & 0xFFFF;
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if (Status_CDC & 0x08) Pico_mcd->cdc.DBC.N -= length;
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if (Pico_mcd->scd.Status_CDC & 0x08) Pico_mcd->cdc.DBC.N -= length;
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else Pico_mcd->cdc.DBC.N = 0;
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}
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@ -161,9 +160,10 @@ unsigned short Read_CDC_Host(int is_sub)
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{
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int addr;
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if (!(Status_CDC & 0x08))
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if (!(Pico_mcd->scd.Status_CDC & 0x08))
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{
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// Transfer data disabled
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cdprintf("Read_CDC_Host: Transfer data disabled");
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return 0;
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}
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@ -171,6 +171,7 @@ unsigned short Read_CDC_Host(int is_sub)
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(!is_sub && (Pico_mcd->s68k_regs[4] & 7) != 2))
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{
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// Wrong setting
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cdprintf("Read_CDC_Host: Wrong setting");
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return 0;
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}
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@ -179,7 +180,7 @@ unsigned short Read_CDC_Host(int is_sub)
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if (Pico_mcd->cdc.DBC.N <= 0)
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{
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Pico_mcd->cdc.DBC.N = 0;
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Status_CDC &= ~0x08; // Last transfer
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Pico_mcd->scd.Status_CDC &= ~0x08; // Last transfer
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Pico_mcd->s68k_regs[4] |= 0x80; // End data transfer
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Pico_mcd->s68k_regs[4] &= ~0x40; // no more data ready
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Pico_mcd->cdc.IFSTAT |= 0x08; // No more data transfer in progress
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@ -193,12 +194,16 @@ unsigned short Read_CDC_Host(int is_sub)
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SekInterruptS68k(5);
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}
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cdprintf("CDC - DTE interrupt\n");
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cdprintf("CDC - DTE interrupt");
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}
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}
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addr = Pico_mcd->cdc.DAC.N;
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Pico_mcd->cdc.DAC.N += 2;
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cdprintf("Read_CDC_Host sub=%i d=%04x dac=%04x dbc=%04x", is_sub,
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(Pico_mcd->cdc.Buffer[addr]<<8) | Pico_mcd->cdc.Buffer[addr+1], Pico_mcd->cdc.DAC.N, Pico_mcd->cdc.DBC.N);
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return (Pico_mcd->cdc.Buffer[addr]<<8) | Pico_mcd->cdc.Buffer[addr+1];
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#if 0
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@ -244,112 +249,110 @@ unsigned char CDC_Read_Reg(void)
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{
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unsigned char ret;
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cdprintf("CDC read reg %.2d = ", Pico_mcd->s68k_regs[5] & 0xF);
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switch(Pico_mcd->s68k_regs[5] & 0xF)
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{
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case 0x0: // COMIN
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cdprintf("%.2X\n", Pico_mcd->cdc.COMIN);
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cdprintf("CDC read reg 00 = %.2X", Pico_mcd->cdc.COMIN);
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Pico_mcd->s68k_regs[5] = 0x1;
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return Pico_mcd->cdc.COMIN;
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case 0x1: // IFSTAT
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cdprintf("%.2X\n", Pico_mcd->cdc.IFSTAT);
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cdprintf("CDC read reg 01 = %.2X", Pico_mcd->cdc.IFSTAT);
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CDC_Decode_Reg_Read |= (1 << 1); // Reg 1 (decoding)
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Pico_mcd->s68k_regs[5] = 0x2;
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return Pico_mcd->cdc.IFSTAT;
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case 0x2: // DBCL
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cdprintf("%.2X\n", Pico_mcd->cdc.DBC.B.L);
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cdprintf("CDC read reg 02 = %.2X", Pico_mcd->cdc.DBC.B.L);
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Pico_mcd->s68k_regs[5] = 0x3;
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return Pico_mcd->cdc.DBC.B.L;
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case 0x3: // DBCH
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cdprintf("%.2X\n", Pico_mcd->cdc.DBC.B.H);
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cdprintf("CDC read reg 03 = %.2X", Pico_mcd->cdc.DBC.B.H);
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Pico_mcd->s68k_regs[5] = 0x4;
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return Pico_mcd->cdc.DBC.B.H;
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case 0x4: // HEAD0
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cdprintf("%.2X\n", Pico_mcd->cdc.HEAD.B.B0);
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cdprintf("CDC read reg 04 = %.2X", Pico_mcd->cdc.HEAD.B.B0);
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CDC_Decode_Reg_Read |= (1 << 4); // Reg 4 (decoding)
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Pico_mcd->s68k_regs[5] = 0x5;
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return Pico_mcd->cdc.HEAD.B.B0;
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case 0x5: // HEAD1
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cdprintf("%.2X\n", Pico_mcd->cdc.HEAD.B.B1);
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cdprintf("CDC read reg 05 = %.2X", Pico_mcd->cdc.HEAD.B.B1);
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CDC_Decode_Reg_Read |= (1 << 5); // Reg 5 (decoding)
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Pico_mcd->s68k_regs[5] = 0x6;
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return Pico_mcd->cdc.HEAD.B.B1;
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case 0x6: // HEAD2
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cdprintf("%.2X\n", Pico_mcd->cdc.HEAD.B.B2);
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cdprintf("CDC read reg 06 = %.2X", Pico_mcd->cdc.HEAD.B.B2);
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CDC_Decode_Reg_Read |= (1 << 6); // Reg 6 (decoding)
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Pico_mcd->s68k_regs[5] = 0x7;
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return Pico_mcd->cdc.HEAD.B.B2;
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case 0x7: // HEAD3
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cdprintf("%.2X\n", Pico_mcd->cdc.HEAD.B.B3);
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cdprintf("CDC read reg 07 = %.2X", Pico_mcd->cdc.HEAD.B.B3);
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CDC_Decode_Reg_Read |= (1 << 7); // Reg 7 (decoding)
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Pico_mcd->s68k_regs[5] = 0x8;
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return Pico_mcd->cdc.HEAD.B.B3;
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case 0x8: // PTL
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cdprintf("%.2X\n", Pico_mcd->cdc.PT.B.L);
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cdprintf("CDC read reg 08 = %.2X", Pico_mcd->cdc.PT.B.L);
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CDC_Decode_Reg_Read |= (1 << 8); // Reg 8 (decoding)
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Pico_mcd->s68k_regs[5] = 0x9;
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return Pico_mcd->cdc.PT.B.L;
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case 0x9: // PTH
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cdprintf("%.2X\n", Pico_mcd->cdc.PT.B.H);
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cdprintf("CDC read reg 09 = %.2X", Pico_mcd->cdc.PT.B.H);
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CDC_Decode_Reg_Read |= (1 << 9); // Reg 9 (decoding)
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Pico_mcd->s68k_regs[5] = 0xA;
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return Pico_mcd->cdc.PT.B.H;
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case 0xA: // WAL
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cdprintf("%.2X\n", Pico_mcd->cdc.WA.B.L);
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cdprintf("CDC read reg 10 = %.2X", Pico_mcd->cdc.WA.B.L);
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Pico_mcd->s68k_regs[5] = 0xB;
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return Pico_mcd->cdc.WA.B.L;
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case 0xB: // WAH
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cdprintf("%.2X\n", Pico_mcd->cdc.WA.B.H);
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cdprintf("CDC read reg 11 = %.2X", Pico_mcd->cdc.WA.B.H);
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Pico_mcd->s68k_regs[5] = 0xC;
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return Pico_mcd->cdc.WA.B.H;
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case 0xC: // STAT0
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cdprintf("%.2X\n", Pico_mcd->cdc.STAT.B.B0);
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cdprintf("CDC read reg 12 = %.2X", Pico_mcd->cdc.STAT.B.B0);
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CDC_Decode_Reg_Read |= (1 << 12); // Reg 12 (decoding)
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Pico_mcd->s68k_regs[5] = 0xD;
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return Pico_mcd->cdc.STAT.B.B0;
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case 0xD: // STAT1
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cdprintf("%.2X\n", Pico_mcd->cdc.STAT.B.B1);
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cdprintf("CDC read reg 13 = %.2X", Pico_mcd->cdc.STAT.B.B1);
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CDC_Decode_Reg_Read |= (1 << 13); // Reg 13 (decoding)
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Pico_mcd->s68k_regs[5] = 0xE;
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return Pico_mcd->cdc.STAT.B.B1;
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case 0xE: // STAT2
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cdprintf("%.2X\n", Pico_mcd->cdc.STAT.B.B2);
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cdprintf("CDC read reg 14 = %.2X", Pico_mcd->cdc.STAT.B.B2);
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CDC_Decode_Reg_Read |= (1 << 14); // Reg 14 (decoding)
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Pico_mcd->s68k_regs[5] = 0xF;
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return Pico_mcd->cdc.STAT.B.B2;
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case 0xF: // STAT3
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cdprintf("%.2X\n", Pico_mcd->cdc.STAT.B.B3);
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cdprintf("CDC read reg 15 = %.2X", Pico_mcd->cdc.STAT.B.B3);
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ret = Pico_mcd->cdc.STAT.B.B3;
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Pico_mcd->cdc.IFSTAT |= 0x20; // decoding interrupt flag cleared
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@ -367,7 +370,7 @@ unsigned char CDC_Read_Reg(void)
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void CDC_Write_Reg(unsigned char Data)
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{
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cdprintf("CDC write reg%d = %.2X\n", Pico_mcd->s68k_regs[5] & 0xF, Data);
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cdprintf("CDC write reg%02d = %.2X", Pico_mcd->s68k_regs[5] & 0xF, Data);
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switch (Pico_mcd->s68k_regs[5] & 0xF)
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{
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@ -384,7 +387,7 @@ void CDC_Write_Reg(unsigned char Data)
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if ((Pico_mcd->cdc.IFCTRL & 0x02) == 0) // Stop data transfer
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{
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Pico_mcd->cdc.DBC.N = 0;
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Status_CDC &= ~0x08;
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Pico_mcd->scd.Status_CDC &= ~0x08;
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Pico_mcd->cdc.IFSTAT |= 0x08; // No more data transfer in progress
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}
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break;
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@ -417,10 +420,10 @@ void CDC_Write_Reg(unsigned char Data)
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if (Pico_mcd->cdc.IFCTRL & 0x02) // Data transfer enable ?
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{
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Pico_mcd->cdc.IFSTAT &= ~0x08; // Data transfer in progress
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Status_CDC |= 0x08; // Data transfer in progress
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Pico_mcd->scd.Status_CDC |= 0x08; // Data transfer in progress
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Pico_mcd->s68k_regs[4] &= 0x7F; // A data transfer start
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cdprintf("\n************** Starting Data Transfer ***********\n");
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cdprintf("************** Starting Data Transfer ***********");
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cdprintf("RS0 = %.4X DAC = %.4X DBC = %.4X DMA adr = %.4X\n\n", Pico_mcd->s68k_regs[4]<<8,
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Pico_mcd->cdc.DAC.N, Pico_mcd->cdc.DBC.N, Pico_mcd->cdc.DMA_Adr);
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}
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@ -503,8 +506,8 @@ void CDD_Export_Status(void)
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SekInterruptS68k(4);
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}
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cdprintf("CDD exported status\n");
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cdprintf("Status =%.4X, Minute=%.4X, Second=%.4X, Frame=%.4X Checksum=%.4X\n",
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// cdprintf("CDD exported status\n");
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cdprintf("out: Status=%.4X, Minute=%.4X, Second=%.4X, Frame=%.4X Checksum=%.4X",
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(Pico_mcd->s68k_regs[0x38+0] << 8) | Pico_mcd->s68k_regs[0x38+1],
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(Pico_mcd->s68k_regs[0x38+2] << 8) | Pico_mcd->s68k_regs[0x38+3],
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(Pico_mcd->s68k_regs[0x38+4] << 8) | Pico_mcd->s68k_regs[0x38+5],
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@ -515,8 +518,8 @@ void CDD_Export_Status(void)
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void CDD_Import_Command(void)
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{
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cdprintf("CDD importing command\n");
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cdprintf("Command=%.4X, Minute=%.4X, Second=%.4X, Frame=%.4X Checksum=%.4X\n",
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// cdprintf("CDD importing command\n");
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cdprintf("in: Command=%.4X, Minute=%.4X, Second=%.4X, Frame=%.4X Checksum=%.4X",
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(Pico_mcd->s68k_regs[0x38+10+0] << 8) | Pico_mcd->s68k_regs[0x38+10+1],
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(Pico_mcd->s68k_regs[0x38+10+2] << 8) | Pico_mcd->s68k_regs[0x38+10+3],
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(Pico_mcd->s68k_regs[0x38+10+4] << 8) | Pico_mcd->s68k_regs[0x38+10+5],
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