315 lines
10 KiB
C#
315 lines
10 KiB
C#
|
using System.IO;
|
|||
|
|
|
|||
|
|
namespace MAME.Core
|
|||
|
|
{
|
|||
|
|
public unsafe class K007232
|
|||
|
|
{
|
|||
|
|
public struct kdacApcm
|
|||
|
|
{
|
|||
|
|
public byte[][] vol;
|
|||
|
|
public uint[] addr;
|
|||
|
|
public uint[] start;
|
|||
|
|
public uint[] step;
|
|||
|
|
public uint[] bank;
|
|||
|
|
public int[] play;
|
|||
|
|
|
|||
|
|
public byte[] wreg;
|
|||
|
|
public int[] pcmbuf_offset;
|
|||
|
|
|
|||
|
|
public int clock;
|
|||
|
|
public int pcmlimit;
|
|||
|
|
public portwritehandler portwritehandler;
|
|||
|
|
public uint[] fncode;
|
|||
|
|
}
|
|||
|
|
public static kdacApcm info;
|
|||
|
|
public static byte[] k007232rom;
|
|||
|
|
public delegate void portwritehandler(int v);
|
|||
|
|
public static void KDAC_A_make_fncode()
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
for (i = 0; i < 0x200; i++)
|
|||
|
|
{
|
|||
|
|
info.fncode[i] = (uint)((32 << 12) / (0x200 - i));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
public static void KDAC_A_update(int offset, int length)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
for (j = 0; j < length; j++)
|
|||
|
|
{
|
|||
|
|
Sound.k007232stream.streamoutput_Ptrs[i][offset + j] = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
if (info.play[i] != 0)
|
|||
|
|
{
|
|||
|
|
int volA, volB, out1;
|
|||
|
|
uint addr, old_addr;
|
|||
|
|
addr = info.start[i] + ((info.addr[i] >> 12) & 0x000fffff);
|
|||
|
|
volA = info.vol[i][0] * 2;
|
|||
|
|
volB = info.vol[i][1] * 2;
|
|||
|
|
for (j = 0; j < length; j++)
|
|||
|
|
{
|
|||
|
|
old_addr = addr;
|
|||
|
|
addr = info.start[i] + ((info.addr[i] >> 12) & 0x000fffff);
|
|||
|
|
while (old_addr <= addr)
|
|||
|
|
{
|
|||
|
|
if ((k007232rom[info.pcmbuf_offset[i] + old_addr] & 0x80) != 0 || old_addr >= info.pcmlimit)
|
|||
|
|
{
|
|||
|
|
if ((info.wreg[0x0d] & (1 << i)) != 0)
|
|||
|
|
{
|
|||
|
|
info.start[i] =
|
|||
|
|
((((uint)info.wreg[i * 0x06 + 0x04] << 16) & 0x00010000) |
|
|||
|
|
(((uint)info.wreg[i * 0x06 + 0x03] << 8) & 0x0000ff00) |
|
|||
|
|
(((uint)info.wreg[i * 0x06 + 0x02]) & 0x000000ff) |
|
|||
|
|
info.bank[i]);
|
|||
|
|
addr = info.start[i];
|
|||
|
|
info.addr[i] = 0;
|
|||
|
|
old_addr = addr;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
info.play[i] = 0;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
old_addr++;
|
|||
|
|
}
|
|||
|
|
if (info.play[i] == 0)
|
|||
|
|
{
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
info.addr[i] += info.step[i];
|
|||
|
|
out1 = (k007232rom[info.pcmbuf_offset[i] + addr] & 0x7f) - 0x40;
|
|||
|
|
Sound.k007232stream.streamoutput_Ptrs[0][offset + j] += out1 * volA;
|
|||
|
|
Sound.k007232stream.streamoutput_Ptrs[1][offset + j] += out1 * volB;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
public static void k007232_start(int clock)
|
|||
|
|
{
|
|||
|
|
int i;
|
|||
|
|
info = new kdacApcm();
|
|||
|
|
info.portwritehandler = Konami68000.volume_callback;
|
|||
|
|
info.pcmbuf_offset = new int[2];
|
|||
|
|
info.addr = new uint[2];
|
|||
|
|
info.start = new uint[2];
|
|||
|
|
info.step = new uint[2];
|
|||
|
|
info.play = new int[2];
|
|||
|
|
info.bank = new uint[2];
|
|||
|
|
info.vol = new byte[2][];
|
|||
|
|
info.wreg = new byte[0x10];
|
|||
|
|
info.fncode = new uint[0x200];
|
|||
|
|
info.pcmbuf_offset[0] = 0;
|
|||
|
|
info.pcmbuf_offset[1] = 0;
|
|||
|
|
info.pcmlimit = k007232rom.Length;
|
|||
|
|
info.clock = clock;
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.start[i] = 0;
|
|||
|
|
info.step[i] = 0;
|
|||
|
|
info.play[i] = 0;
|
|||
|
|
info.bank[i] = 0;
|
|||
|
|
info.vol[i] = new byte[2];
|
|||
|
|
}
|
|||
|
|
info.vol[0][0] = 255;
|
|||
|
|
info.vol[0][1] = 0;
|
|||
|
|
info.vol[1][0] = 0;
|
|||
|
|
info.vol[1][1] = 255;
|
|||
|
|
for (i = 0; i < 0x10; i++)
|
|||
|
|
{
|
|||
|
|
info.wreg[i] = 0;
|
|||
|
|
}
|
|||
|
|
KDAC_A_make_fncode();
|
|||
|
|
}
|
|||
|
|
public static void k007232_WriteReg(int r, int v, int chip)
|
|||
|
|
{
|
|||
|
|
int data;
|
|||
|
|
Sound.k007232stream.stream_update();
|
|||
|
|
info.wreg[r] = (byte)v;
|
|||
|
|
if (r == 0x0c)
|
|||
|
|
{
|
|||
|
|
if (info.portwritehandler != null)
|
|||
|
|
{
|
|||
|
|
info.portwritehandler(v);
|
|||
|
|
}
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
else if (r == 0x0d)
|
|||
|
|
{
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
int reg_port;
|
|||
|
|
reg_port = 0;
|
|||
|
|
if (r >= 0x06)
|
|||
|
|
{
|
|||
|
|
reg_port = 1;
|
|||
|
|
r -= 0x06;
|
|||
|
|
}
|
|||
|
|
switch (r)
|
|||
|
|
{
|
|||
|
|
case 0x00:
|
|||
|
|
case 0x01:
|
|||
|
|
data = (int)(((((uint)info.wreg[reg_port * 0x06 + 0x01]) << 8) & 0x0100) | (((uint)info.wreg[reg_port * 0x06 + 0x00]) & 0x00ff));
|
|||
|
|
info.step[reg_port] = info.fncode[data];
|
|||
|
|
break;
|
|||
|
|
case 0x02:
|
|||
|
|
case 0x03:
|
|||
|
|
case 0x04:
|
|||
|
|
break;
|
|||
|
|
case 0x05:
|
|||
|
|
info.start[reg_port] =
|
|||
|
|
((((uint)info.wreg[reg_port * 0x06 + 0x04] << 16) & 0x00010000) |
|
|||
|
|
(((uint)info.wreg[reg_port * 0x06 + 0x03] << 8) & 0x0000ff00) |
|
|||
|
|
(((uint)info.wreg[reg_port * 0x06 + 0x02]) & 0x000000ff) |
|
|||
|
|
info.bank[reg_port]);
|
|||
|
|
if (info.start[reg_port] < info.pcmlimit)
|
|||
|
|
{
|
|||
|
|
info.play[reg_port] = 1;
|
|||
|
|
info.addr[reg_port] = 0;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
public static int k007232_ReadReg(int r, int chip)
|
|||
|
|
{
|
|||
|
|
int ch = 0;
|
|||
|
|
if (r == 0x0005 || r == 0x000b)
|
|||
|
|
{
|
|||
|
|
ch = r / 0x0006;
|
|||
|
|
r = ch * 0x0006;
|
|||
|
|
info.start[ch] =
|
|||
|
|
((((uint)info.wreg[r + 0x04] << 16) & 0x00010000) |
|
|||
|
|
(((uint)info.wreg[r + 0x03] << 8) & 0x0000ff00) |
|
|||
|
|
(((uint)info.wreg[r + 0x02]) & 0x000000ff) |
|
|||
|
|
info.bank[ch]);
|
|||
|
|
if (info.start[ch] < info.pcmlimit)
|
|||
|
|
{
|
|||
|
|
info.play[ch] = 1;
|
|||
|
|
info.addr[ch] = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
public static void k007232_write_port_0_w(int offset, byte data)
|
|||
|
|
{
|
|||
|
|
k007232_WriteReg(offset, data, 0);
|
|||
|
|
}
|
|||
|
|
public static byte k007232_read_port_0_r(int offset)
|
|||
|
|
{
|
|||
|
|
return (byte)k007232_ReadReg(offset, 0);
|
|||
|
|
}
|
|||
|
|
public static void k007232_write_port_1_w(int offset, byte data)
|
|||
|
|
{
|
|||
|
|
k007232_WriteReg(offset, data, 1);
|
|||
|
|
}
|
|||
|
|
public static byte k007232_read_port_1_r(int offset)
|
|||
|
|
{
|
|||
|
|
return (byte)k007232_ReadReg(offset, 1);
|
|||
|
|
}
|
|||
|
|
public static void k007232_write_port_2_w(int offset, byte data)
|
|||
|
|
{
|
|||
|
|
k007232_WriteReg(offset, data, 2);
|
|||
|
|
}
|
|||
|
|
public static byte k007232_read_port_2_r(int offset)
|
|||
|
|
{
|
|||
|
|
return (byte)k007232_ReadReg(offset, 2);
|
|||
|
|
}
|
|||
|
|
public static void k007232_set_volume(int chip, int channel, int volumeA, int volumeB)
|
|||
|
|
{
|
|||
|
|
info.vol[channel][0] = (byte)volumeA;
|
|||
|
|
info.vol[channel][1] = (byte)volumeB;
|
|||
|
|
}
|
|||
|
|
public static void k007232_set_bank(int chip, int chABank, int chBBank)
|
|||
|
|
{
|
|||
|
|
info.bank[0] = (uint)(chABank << 17);
|
|||
|
|
info.bank[1] = (uint)(chBBank << 17);
|
|||
|
|
}
|
|||
|
|
public static void SaveStateBinary(BinaryWriter writer)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
for (j = 0; j < 2; j++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.vol[i][j]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.addr[i]);
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.start[i]);
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.step[i]);
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.bank[i]);
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.play[i]);
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 0x10; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.wreg[i]);
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
writer.Write(info.pcmbuf_offset[i]);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
public static void LoadStateBinary(BinaryReader reader)
|
|||
|
|
{
|
|||
|
|
int i, j;
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
for (j = 0; j < 2; j++)
|
|||
|
|
{
|
|||
|
|
info.vol[i][j] = reader.ReadByte();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.addr[i] = reader.ReadUInt32();
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.start[i] = reader.ReadUInt32();
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.step[i] = reader.ReadUInt32();
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.bank[i] = reader.ReadUInt32();
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.play[i] = reader.ReadInt32();
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 0x10; i++)
|
|||
|
|
{
|
|||
|
|
info.wreg[i] = reader.ReadByte();
|
|||
|
|
}
|
|||
|
|
for (i = 0; i < 2; i++)
|
|||
|
|
{
|
|||
|
|
info.pcmbuf_offset[i] = reader.ReadInt32();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|